Diagrams.Solve.Polynomial:quartForm from diagrams-solve-0.1, C

Percentage Accurate: 97.6% → 98.7%
Time: 12.4s
Alternatives: 15
Speedup: 1.0×

Specification

?
\[\begin{array}{l} \\ \left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (+ (- (+ (* x y) (/ (* z t) 16.0)) (/ (* a b) 4.0)) c))
double code(double x, double y, double z, double t, double a, double b, double c) {
	return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c;
}
real(8) function code(x, y, z, t, a, b, c)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    code = (((x * y) + ((z * t) / 16.0d0)) - ((a * b) / 4.0d0)) + c
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
	return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c;
}
def code(x, y, z, t, a, b, c):
	return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c
function code(x, y, z, t, a, b, c)
	return Float64(Float64(Float64(Float64(x * y) + Float64(Float64(z * t) / 16.0)) - Float64(Float64(a * b) / 4.0)) + c)
end
function tmp = code(x, y, z, t, a, b, c)
	tmp = (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c;
end
code[x_, y_, z_, t_, a_, b_, c_] := N[(N[(N[(N[(x * y), $MachinePrecision] + N[(N[(z * t), $MachinePrecision] / 16.0), $MachinePrecision]), $MachinePrecision] - N[(N[(a * b), $MachinePrecision] / 4.0), $MachinePrecision]), $MachinePrecision] + c), $MachinePrecision]
\begin{array}{l}

\\
\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c
\end{array}

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

The average percentage accuracy by input value. Horizontal axis shows value of an input variable; the variable is choosen in the title. Vertical axis is accuracy; higher is better. Red represent the original program, while blue represents Herbie's suggestion. These can be toggled with buttons below the plot. The line is an average while dots represent individual samples.

Accuracy vs Speed?

Herbie found 15 alternatives:

AlternativeAccuracySpeedup
The accuracy (vertical axis) and speed (horizontal axis) of each alternatives. Up and to the right is better. The red square shows the initial program, and each blue circle shows an alternative.The line shows the best available speed-accuracy tradeoffs.

Initial Program: 97.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (+ (- (+ (* x y) (/ (* z t) 16.0)) (/ (* a b) 4.0)) c))
double code(double x, double y, double z, double t, double a, double b, double c) {
	return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c;
}
real(8) function code(x, y, z, t, a, b, c)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    code = (((x * y) + ((z * t) / 16.0d0)) - ((a * b) / 4.0d0)) + c
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
	return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c;
}
def code(x, y, z, t, a, b, c):
	return (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c
function code(x, y, z, t, a, b, c)
	return Float64(Float64(Float64(Float64(x * y) + Float64(Float64(z * t) / 16.0)) - Float64(Float64(a * b) / 4.0)) + c)
end
function tmp = code(x, y, z, t, a, b, c)
	tmp = (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0)) + c;
end
code[x_, y_, z_, t_, a_, b_, c_] := N[(N[(N[(N[(x * y), $MachinePrecision] + N[(N[(z * t), $MachinePrecision] / 16.0), $MachinePrecision]), $MachinePrecision] - N[(N[(a * b), $MachinePrecision] / 4.0), $MachinePrecision]), $MachinePrecision] + c), $MachinePrecision]
\begin{array}{l}

\\
\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c
\end{array}

Alternative 1: 98.7% accurate, 0.1× speedup?

\[\begin{array}{l} \\ \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)\right) \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (fma x y (fma (/ z 16.0) t (fma (/ a -4.0) b c))))
double code(double x, double y, double z, double t, double a, double b, double c) {
	return fma(x, y, fma((z / 16.0), t, fma((a / -4.0), b, c)));
}
function code(x, y, z, t, a, b, c)
	return fma(x, y, fma(Float64(z / 16.0), t, fma(Float64(a / -4.0), b, c)))
end
code[x_, y_, z_, t_, a_, b_, c_] := N[(x * y + N[(N[(z / 16.0), $MachinePrecision] * t + N[(N[(a / -4.0), $MachinePrecision] * b + c), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)\right)
\end{array}
Derivation
  1. Initial program 97.6%

    \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
  2. Step-by-step derivation
    1. associate-+l-97.6%

      \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) - \left(\frac{a \cdot b}{4} - c\right)} \]
    2. associate--l+97.6%

      \[\leadsto \color{blue}{x \cdot y + \left(\frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
    3. fma-def98.4%

      \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
    4. associate-*l/98.4%

      \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\frac{z}{16} \cdot t} - \left(\frac{a \cdot b}{4} - c\right)\right) \]
    5. fma-neg99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\mathsf{fma}\left(\frac{z}{16}, t, -\left(\frac{a \cdot b}{4} - c\right)\right)}\right) \]
    6. sub-neg99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, -\color{blue}{\left(\frac{a \cdot b}{4} + \left(-c\right)\right)}\right)\right) \]
    7. distribute-neg-in99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\left(-\frac{a \cdot b}{4}\right) + \left(-\left(-c\right)\right)}\right)\right) \]
    8. remove-double-neg99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\frac{a \cdot b}{4}\right) + \color{blue}{c}\right)\right) \]
    9. associate-/l*99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\color{blue}{\frac{a}{\frac{4}{b}}}\right) + c\right)\right) \]
    10. distribute-frac-neg99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{\frac{4}{b}}} + c\right)\right) \]
    11. associate-/r/99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{4} \cdot b} + c\right)\right) \]
    12. fma-def99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\mathsf{fma}\left(\frac{-a}{4}, b, c\right)}\right)\right) \]
    13. neg-mul-199.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{-1 \cdot a}}{4}, b, c\right)\right)\right) \]
    14. *-commutative99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{a \cdot -1}}{4}, b, c\right)\right)\right) \]
    15. associate-/l*99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\color{blue}{\frac{a}{\frac{4}{-1}}}, b, c\right)\right)\right) \]
    16. metadata-eval99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{\color{blue}{-4}}, b, c\right)\right)\right) \]
  3. Simplified99.2%

    \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)\right)} \]
  4. Add Preprocessing
  5. Final simplification99.2%

    \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)\right) \]
  6. Add Preprocessing

Alternative 2: 97.7% accurate, 0.1× speedup?

\[\begin{array}{l} \\ \left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + t \cdot \left(z \cdot 0.0625\right) \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (+ (+ (fma a (* b -0.25) c) (* x y)) (* t (* z 0.0625))))
double code(double x, double y, double z, double t, double a, double b, double c) {
	return (fma(a, (b * -0.25), c) + (x * y)) + (t * (z * 0.0625));
}
function code(x, y, z, t, a, b, c)
	return Float64(Float64(fma(a, Float64(b * -0.25), c) + Float64(x * y)) + Float64(t * Float64(z * 0.0625)))
end
code[x_, y_, z_, t_, a_, b_, c_] := N[(N[(N[(a * N[(b * -0.25), $MachinePrecision] + c), $MachinePrecision] + N[(x * y), $MachinePrecision]), $MachinePrecision] + N[(t * N[(z * 0.0625), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + t \cdot \left(z \cdot 0.0625\right)
\end{array}
Derivation
  1. Initial program 97.6%

    \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
  2. Step-by-step derivation
    1. associate-+l-97.6%

      \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) - \left(\frac{a \cdot b}{4} - c\right)} \]
    2. associate--l+97.6%

      \[\leadsto \color{blue}{x \cdot y + \left(\frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
    3. fma-def98.4%

      \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
    4. associate-*l/98.4%

      \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\frac{z}{16} \cdot t} - \left(\frac{a \cdot b}{4} - c\right)\right) \]
    5. fma-neg99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\mathsf{fma}\left(\frac{z}{16}, t, -\left(\frac{a \cdot b}{4} - c\right)\right)}\right) \]
    6. sub-neg99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, -\color{blue}{\left(\frac{a \cdot b}{4} + \left(-c\right)\right)}\right)\right) \]
    7. distribute-neg-in99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\left(-\frac{a \cdot b}{4}\right) + \left(-\left(-c\right)\right)}\right)\right) \]
    8. remove-double-neg99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\frac{a \cdot b}{4}\right) + \color{blue}{c}\right)\right) \]
    9. associate-/l*99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\color{blue}{\frac{a}{\frac{4}{b}}}\right) + c\right)\right) \]
    10. distribute-frac-neg99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{\frac{4}{b}}} + c\right)\right) \]
    11. associate-/r/99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{4} \cdot b} + c\right)\right) \]
    12. fma-def99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\mathsf{fma}\left(\frac{-a}{4}, b, c\right)}\right)\right) \]
    13. neg-mul-199.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{-1 \cdot a}}{4}, b, c\right)\right)\right) \]
    14. *-commutative99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{a \cdot -1}}{4}, b, c\right)\right)\right) \]
    15. associate-/l*99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\color{blue}{\frac{a}{\frac{4}{-1}}}, b, c\right)\right)\right) \]
    16. metadata-eval99.2%

      \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{\color{blue}{-4}}, b, c\right)\right)\right) \]
  3. Simplified99.2%

    \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)\right)} \]
  4. Add Preprocessing
  5. Step-by-step derivation
    1. fma-udef98.4%

      \[\leadsto \color{blue}{x \cdot y + \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
    2. fma-udef97.6%

      \[\leadsto x \cdot y + \color{blue}{\left(\frac{z}{16} \cdot t + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
    3. associate-*l/97.6%

      \[\leadsto x \cdot y + \left(\color{blue}{\frac{z \cdot t}{16}} + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right) \]
    4. fma-udef97.6%

      \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \color{blue}{\left(\frac{a}{-4} \cdot b + c\right)}\right) \]
    5. associate-/r/97.6%

      \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \left(\color{blue}{\frac{a}{\frac{-4}{b}}} + c\right)\right) \]
    6. associate-+r+97.6%

      \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right)} \]
    7. associate-*l/97.6%

      \[\leadsto \left(x \cdot y + \color{blue}{\frac{z}{16} \cdot t}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
    8. fma-udef98.4%

      \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
    9. +-commutative98.4%

      \[\leadsto \color{blue}{\left(\frac{a}{\frac{-4}{b}} + c\right) + \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} \]
    10. fma-udef97.6%

      \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \color{blue}{\left(x \cdot y + \frac{z}{16} \cdot t\right)} \]
    11. associate-*l/97.6%

      \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \left(x \cdot y + \color{blue}{\frac{z \cdot t}{16}}\right) \]
    12. associate-+r+97.6%

      \[\leadsto \color{blue}{\left(\left(\frac{a}{\frac{-4}{b}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16}} \]
    13. div-inv97.6%

      \[\leadsto \left(\left(\color{blue}{a \cdot \frac{1}{\frac{-4}{b}}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
    14. fma-def97.6%

      \[\leadsto \left(\color{blue}{\mathsf{fma}\left(a, \frac{1}{\frac{-4}{b}}, c\right)} + x \cdot y\right) + \frac{z \cdot t}{16} \]
    15. clear-num97.6%

      \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{\frac{b}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
    16. div-inv97.6%

      \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{b \cdot \frac{1}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
    17. metadata-eval97.6%

      \[\leadsto \left(\mathsf{fma}\left(a, b \cdot \color{blue}{-0.25}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
    18. associate-*l/97.6%

      \[\leadsto \left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + \color{blue}{\frac{z}{16} \cdot t} \]
  6. Applied egg-rr97.6%

    \[\leadsto \color{blue}{\left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + t \cdot \left(z \cdot 0.0625\right)} \]
  7. Final simplification97.6%

    \[\leadsto \left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + t \cdot \left(z \cdot 0.0625\right) \]
  8. Add Preprocessing

Alternative 3: 98.0% accurate, 0.1× speedup?

\[\begin{array}{l} \\ \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right) + \left(c + \frac{a}{\frac{-4}{b}}\right) \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (+ (fma x y (* (/ z 16.0) t)) (+ c (/ a (/ -4.0 b)))))
double code(double x, double y, double z, double t, double a, double b, double c) {
	return fma(x, y, ((z / 16.0) * t)) + (c + (a / (-4.0 / b)));
}
function code(x, y, z, t, a, b, c)
	return Float64(fma(x, y, Float64(Float64(z / 16.0) * t)) + Float64(c + Float64(a / Float64(-4.0 / b))))
end
code[x_, y_, z_, t_, a_, b_, c_] := N[(N[(x * y + N[(N[(z / 16.0), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision] + N[(c + N[(a / N[(-4.0 / b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right) + \left(c + \frac{a}{\frac{-4}{b}}\right)
\end{array}
Derivation
  1. Initial program 97.6%

    \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
  2. Step-by-step derivation
    1. sub-neg97.6%

      \[\leadsto \color{blue}{\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) + \left(-\frac{a \cdot b}{4}\right)\right)} + c \]
    2. associate-+l+97.6%

      \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) + \left(\left(-\frac{a \cdot b}{4}\right) + c\right)} \]
    3. fma-def98.4%

      \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z \cdot t}{16}\right)} + \left(\left(-\frac{a \cdot b}{4}\right) + c\right) \]
    4. associate-*l/98.4%

      \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\frac{z}{16} \cdot t}\right) + \left(\left(-\frac{a \cdot b}{4}\right) + c\right) \]
    5. distribute-frac-neg98.4%

      \[\leadsto \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right) + \left(\color{blue}{\frac{-a \cdot b}{4}} + c\right) \]
    6. distribute-rgt-neg-out98.4%

      \[\leadsto \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right) + \left(\frac{\color{blue}{a \cdot \left(-b\right)}}{4} + c\right) \]
    7. associate-/l*98.4%

      \[\leadsto \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right) + \left(\color{blue}{\frac{a}{\frac{4}{-b}}} + c\right) \]
    8. neg-mul-198.4%

      \[\leadsto \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right) + \left(\frac{a}{\frac{4}{\color{blue}{-1 \cdot b}}} + c\right) \]
    9. associate-/r*98.4%

      \[\leadsto \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right) + \left(\frac{a}{\color{blue}{\frac{\frac{4}{-1}}{b}}} + c\right) \]
    10. metadata-eval98.4%

      \[\leadsto \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right) + \left(\frac{a}{\frac{\color{blue}{-4}}{b}} + c\right) \]
  3. Simplified98.4%

    \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right) + \left(\frac{a}{\frac{-4}{b}} + c\right)} \]
  4. Add Preprocessing
  5. Final simplification98.4%

    \[\leadsto \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right) + \left(c + \frac{a}{\frac{-4}{b}}\right) \]
  6. Add Preprocessing

Alternative 4: 63.3% accurate, 0.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := c + 0.0625 \cdot \left(z \cdot t\right)\\ t_2 := c + a \cdot \left(b \cdot -0.25\right)\\ \mathbf{if}\;x \cdot y \leq -9.5 \cdot 10^{+167}:\\ \;\;\;\;x \cdot y\\ \mathbf{elif}\;x \cdot y \leq -3.6 \cdot 10^{-304}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;x \cdot y \leq 2 \cdot 10^{-306}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;x \cdot y \leq 5.7 \cdot 10^{-123}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;x \cdot y \leq 7 \cdot 10^{+138}:\\ \;\;\;\;t_2\\ \mathbf{else}:\\ \;\;\;\;x \cdot y\\ \end{array} \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (let* ((t_1 (+ c (* 0.0625 (* z t)))) (t_2 (+ c (* a (* b -0.25)))))
   (if (<= (* x y) -9.5e+167)
     (* x y)
     (if (<= (* x y) -3.6e-304)
       t_1
       (if (<= (* x y) 2e-306)
         t_2
         (if (<= (* x y) 5.7e-123)
           t_1
           (if (<= (* x y) 7e+138) t_2 (* x y))))))))
double code(double x, double y, double z, double t, double a, double b, double c) {
	double t_1 = c + (0.0625 * (z * t));
	double t_2 = c + (a * (b * -0.25));
	double tmp;
	if ((x * y) <= -9.5e+167) {
		tmp = x * y;
	} else if ((x * y) <= -3.6e-304) {
		tmp = t_1;
	} else if ((x * y) <= 2e-306) {
		tmp = t_2;
	} else if ((x * y) <= 5.7e-123) {
		tmp = t_1;
	} else if ((x * y) <= 7e+138) {
		tmp = t_2;
	} else {
		tmp = x * y;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: tmp
    t_1 = c + (0.0625d0 * (z * t))
    t_2 = c + (a * (b * (-0.25d0)))
    if ((x * y) <= (-9.5d+167)) then
        tmp = x * y
    else if ((x * y) <= (-3.6d-304)) then
        tmp = t_1
    else if ((x * y) <= 2d-306) then
        tmp = t_2
    else if ((x * y) <= 5.7d-123) then
        tmp = t_1
    else if ((x * y) <= 7d+138) then
        tmp = t_2
    else
        tmp = x * y
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
	double t_1 = c + (0.0625 * (z * t));
	double t_2 = c + (a * (b * -0.25));
	double tmp;
	if ((x * y) <= -9.5e+167) {
		tmp = x * y;
	} else if ((x * y) <= -3.6e-304) {
		tmp = t_1;
	} else if ((x * y) <= 2e-306) {
		tmp = t_2;
	} else if ((x * y) <= 5.7e-123) {
		tmp = t_1;
	} else if ((x * y) <= 7e+138) {
		tmp = t_2;
	} else {
		tmp = x * y;
	}
	return tmp;
}
def code(x, y, z, t, a, b, c):
	t_1 = c + (0.0625 * (z * t))
	t_2 = c + (a * (b * -0.25))
	tmp = 0
	if (x * y) <= -9.5e+167:
		tmp = x * y
	elif (x * y) <= -3.6e-304:
		tmp = t_1
	elif (x * y) <= 2e-306:
		tmp = t_2
	elif (x * y) <= 5.7e-123:
		tmp = t_1
	elif (x * y) <= 7e+138:
		tmp = t_2
	else:
		tmp = x * y
	return tmp
function code(x, y, z, t, a, b, c)
	t_1 = Float64(c + Float64(0.0625 * Float64(z * t)))
	t_2 = Float64(c + Float64(a * Float64(b * -0.25)))
	tmp = 0.0
	if (Float64(x * y) <= -9.5e+167)
		tmp = Float64(x * y);
	elseif (Float64(x * y) <= -3.6e-304)
		tmp = t_1;
	elseif (Float64(x * y) <= 2e-306)
		tmp = t_2;
	elseif (Float64(x * y) <= 5.7e-123)
		tmp = t_1;
	elseif (Float64(x * y) <= 7e+138)
		tmp = t_2;
	else
		tmp = Float64(x * y);
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c)
	t_1 = c + (0.0625 * (z * t));
	t_2 = c + (a * (b * -0.25));
	tmp = 0.0;
	if ((x * y) <= -9.5e+167)
		tmp = x * y;
	elseif ((x * y) <= -3.6e-304)
		tmp = t_1;
	elseif ((x * y) <= 2e-306)
		tmp = t_2;
	elseif ((x * y) <= 5.7e-123)
		tmp = t_1;
	elseif ((x * y) <= 7e+138)
		tmp = t_2;
	else
		tmp = x * y;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_] := Block[{t$95$1 = N[(c + N[(0.0625 * N[(z * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(c + N[(a * N[(b * -0.25), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(x * y), $MachinePrecision], -9.5e+167], N[(x * y), $MachinePrecision], If[LessEqual[N[(x * y), $MachinePrecision], -3.6e-304], t$95$1, If[LessEqual[N[(x * y), $MachinePrecision], 2e-306], t$95$2, If[LessEqual[N[(x * y), $MachinePrecision], 5.7e-123], t$95$1, If[LessEqual[N[(x * y), $MachinePrecision], 7e+138], t$95$2, N[(x * y), $MachinePrecision]]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := c + 0.0625 \cdot \left(z \cdot t\right)\\
t_2 := c + a \cdot \left(b \cdot -0.25\right)\\
\mathbf{if}\;x \cdot y \leq -9.5 \cdot 10^{+167}:\\
\;\;\;\;x \cdot y\\

\mathbf{elif}\;x \cdot y \leq -3.6 \cdot 10^{-304}:\\
\;\;\;\;t_1\\

\mathbf{elif}\;x \cdot y \leq 2 \cdot 10^{-306}:\\
\;\;\;\;t_2\\

\mathbf{elif}\;x \cdot y \leq 5.7 \cdot 10^{-123}:\\
\;\;\;\;t_1\\

\mathbf{elif}\;x \cdot y \leq 7 \cdot 10^{+138}:\\
\;\;\;\;t_2\\

\mathbf{else}:\\
\;\;\;\;x \cdot y\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (*.f64 x y) < -9.5000000000000006e167 or 6.9999999999999996e138 < (*.f64 x y)

    1. Initial program 91.8%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Step-by-step derivation
      1. associate-+l-91.8%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) - \left(\frac{a \cdot b}{4} - c\right)} \]
      2. associate--l+91.8%

        \[\leadsto \color{blue}{x \cdot y + \left(\frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      3. fma-def94.5%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      4. associate-*l/94.5%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\frac{z}{16} \cdot t} - \left(\frac{a \cdot b}{4} - c\right)\right) \]
      5. fma-neg97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\mathsf{fma}\left(\frac{z}{16}, t, -\left(\frac{a \cdot b}{4} - c\right)\right)}\right) \]
      6. sub-neg97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, -\color{blue}{\left(\frac{a \cdot b}{4} + \left(-c\right)\right)}\right)\right) \]
      7. distribute-neg-in97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\left(-\frac{a \cdot b}{4}\right) + \left(-\left(-c\right)\right)}\right)\right) \]
      8. remove-double-neg97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\frac{a \cdot b}{4}\right) + \color{blue}{c}\right)\right) \]
      9. associate-/l*97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\color{blue}{\frac{a}{\frac{4}{b}}}\right) + c\right)\right) \]
      10. distribute-frac-neg97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{\frac{4}{b}}} + c\right)\right) \]
      11. associate-/r/97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{4} \cdot b} + c\right)\right) \]
      12. fma-def97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\mathsf{fma}\left(\frac{-a}{4}, b, c\right)}\right)\right) \]
      13. neg-mul-197.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{-1 \cdot a}}{4}, b, c\right)\right)\right) \]
      14. *-commutative97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{a \cdot -1}}{4}, b, c\right)\right)\right) \]
      15. associate-/l*97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\color{blue}{\frac{a}{\frac{4}{-1}}}, b, c\right)\right)\right) \]
      16. metadata-eval97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{\color{blue}{-4}}, b, c\right)\right)\right) \]
    3. Simplified97.3%

      \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef94.5%

        \[\leadsto \color{blue}{x \cdot y + \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      2. fma-udef91.8%

        \[\leadsto x \cdot y + \color{blue}{\left(\frac{z}{16} \cdot t + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      3. associate-*l/91.8%

        \[\leadsto x \cdot y + \left(\color{blue}{\frac{z \cdot t}{16}} + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right) \]
      4. fma-udef91.8%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \color{blue}{\left(\frac{a}{-4} \cdot b + c\right)}\right) \]
      5. associate-/r/91.8%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \left(\color{blue}{\frac{a}{\frac{-4}{b}}} + c\right)\right) \]
      6. associate-+r+91.8%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right)} \]
      7. associate-*l/91.8%

        \[\leadsto \left(x \cdot y + \color{blue}{\frac{z}{16} \cdot t}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      8. fma-udef94.5%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      9. +-commutative94.5%

        \[\leadsto \color{blue}{\left(\frac{a}{\frac{-4}{b}} + c\right) + \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} \]
      10. fma-udef91.8%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \color{blue}{\left(x \cdot y + \frac{z}{16} \cdot t\right)} \]
      11. associate-*l/91.8%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \left(x \cdot y + \color{blue}{\frac{z \cdot t}{16}}\right) \]
      12. associate-+r+91.8%

        \[\leadsto \color{blue}{\left(\left(\frac{a}{\frac{-4}{b}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16}} \]
      13. div-inv91.8%

        \[\leadsto \left(\left(\color{blue}{a \cdot \frac{1}{\frac{-4}{b}}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      14. fma-def91.8%

        \[\leadsto \left(\color{blue}{\mathsf{fma}\left(a, \frac{1}{\frac{-4}{b}}, c\right)} + x \cdot y\right) + \frac{z \cdot t}{16} \]
      15. clear-num91.8%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{\frac{b}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      16. div-inv91.8%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{b \cdot \frac{1}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      17. metadata-eval91.8%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot \color{blue}{-0.25}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      18. associate-*l/91.8%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + \color{blue}{\frac{z}{16} \cdot t} \]
    6. Applied egg-rr91.8%

      \[\leadsto \color{blue}{\left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + t \cdot \left(z \cdot 0.0625\right)} \]
    7. Taylor expanded in x around inf 81.4%

      \[\leadsto \color{blue}{x \cdot y} \]

    if -9.5000000000000006e167 < (*.f64 x y) < -3.6000000000000001e-304 or 2.00000000000000006e-306 < (*.f64 x y) < 5.70000000000000027e-123

    1. Initial program 100.0%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in a around 0 76.4%

      \[\leadsto \color{blue}{c + \left(0.0625 \cdot \left(t \cdot z\right) + x \cdot y\right)} \]
    4. Taylor expanded in x around 0 68.9%

      \[\leadsto \color{blue}{c + 0.0625 \cdot \left(t \cdot z\right)} \]

    if -3.6000000000000001e-304 < (*.f64 x y) < 2.00000000000000006e-306 or 5.70000000000000027e-123 < (*.f64 x y) < 6.9999999999999996e138

    1. Initial program 100.0%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in a around inf 69.5%

      \[\leadsto \color{blue}{-0.25 \cdot \left(a \cdot b\right)} + c \]
    4. Step-by-step derivation
      1. *-commutative69.5%

        \[\leadsto \color{blue}{\left(a \cdot b\right) \cdot -0.25} + c \]
      2. associate-*r*69.5%

        \[\leadsto \color{blue}{a \cdot \left(b \cdot -0.25\right)} + c \]
    5. Simplified69.5%

      \[\leadsto \color{blue}{a \cdot \left(b \cdot -0.25\right)} + c \]
  3. Recombined 3 regimes into one program.
  4. Final simplification72.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \cdot y \leq -9.5 \cdot 10^{+167}:\\ \;\;\;\;x \cdot y\\ \mathbf{elif}\;x \cdot y \leq -3.6 \cdot 10^{-304}:\\ \;\;\;\;c + 0.0625 \cdot \left(z \cdot t\right)\\ \mathbf{elif}\;x \cdot y \leq 2 \cdot 10^{-306}:\\ \;\;\;\;c + a \cdot \left(b \cdot -0.25\right)\\ \mathbf{elif}\;x \cdot y \leq 5.7 \cdot 10^{-123}:\\ \;\;\;\;c + 0.0625 \cdot \left(z \cdot t\right)\\ \mathbf{elif}\;x \cdot y \leq 7 \cdot 10^{+138}:\\ \;\;\;\;c + a \cdot \left(b \cdot -0.25\right)\\ \mathbf{else}:\\ \;\;\;\;x \cdot y\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 44.5% accurate, 0.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := t \cdot \left(z \cdot 0.0625\right)\\ t_2 := b \cdot \left(a \cdot -0.25\right)\\ \mathbf{if}\;x \cdot y \leq -7.5 \cdot 10^{+167}:\\ \;\;\;\;x \cdot y\\ \mathbf{elif}\;x \cdot y \leq -4.8 \cdot 10^{-305}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;x \cdot y \leq 3.6 \cdot 10^{-308}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;x \cdot y \leq 1.4 \cdot 10^{-124}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;x \cdot y \leq 1.2 \cdot 10^{+138}:\\ \;\;\;\;t_2\\ \mathbf{else}:\\ \;\;\;\;x \cdot y\\ \end{array} \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (let* ((t_1 (* t (* z 0.0625))) (t_2 (* b (* a -0.25))))
   (if (<= (* x y) -7.5e+167)
     (* x y)
     (if (<= (* x y) -4.8e-305)
       t_1
       (if (<= (* x y) 3.6e-308)
         t_2
         (if (<= (* x y) 1.4e-124)
           t_1
           (if (<= (* x y) 1.2e+138) t_2 (* x y))))))))
double code(double x, double y, double z, double t, double a, double b, double c) {
	double t_1 = t * (z * 0.0625);
	double t_2 = b * (a * -0.25);
	double tmp;
	if ((x * y) <= -7.5e+167) {
		tmp = x * y;
	} else if ((x * y) <= -4.8e-305) {
		tmp = t_1;
	} else if ((x * y) <= 3.6e-308) {
		tmp = t_2;
	} else if ((x * y) <= 1.4e-124) {
		tmp = t_1;
	} else if ((x * y) <= 1.2e+138) {
		tmp = t_2;
	} else {
		tmp = x * y;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: tmp
    t_1 = t * (z * 0.0625d0)
    t_2 = b * (a * (-0.25d0))
    if ((x * y) <= (-7.5d+167)) then
        tmp = x * y
    else if ((x * y) <= (-4.8d-305)) then
        tmp = t_1
    else if ((x * y) <= 3.6d-308) then
        tmp = t_2
    else if ((x * y) <= 1.4d-124) then
        tmp = t_1
    else if ((x * y) <= 1.2d+138) then
        tmp = t_2
    else
        tmp = x * y
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
	double t_1 = t * (z * 0.0625);
	double t_2 = b * (a * -0.25);
	double tmp;
	if ((x * y) <= -7.5e+167) {
		tmp = x * y;
	} else if ((x * y) <= -4.8e-305) {
		tmp = t_1;
	} else if ((x * y) <= 3.6e-308) {
		tmp = t_2;
	} else if ((x * y) <= 1.4e-124) {
		tmp = t_1;
	} else if ((x * y) <= 1.2e+138) {
		tmp = t_2;
	} else {
		tmp = x * y;
	}
	return tmp;
}
def code(x, y, z, t, a, b, c):
	t_1 = t * (z * 0.0625)
	t_2 = b * (a * -0.25)
	tmp = 0
	if (x * y) <= -7.5e+167:
		tmp = x * y
	elif (x * y) <= -4.8e-305:
		tmp = t_1
	elif (x * y) <= 3.6e-308:
		tmp = t_2
	elif (x * y) <= 1.4e-124:
		tmp = t_1
	elif (x * y) <= 1.2e+138:
		tmp = t_2
	else:
		tmp = x * y
	return tmp
function code(x, y, z, t, a, b, c)
	t_1 = Float64(t * Float64(z * 0.0625))
	t_2 = Float64(b * Float64(a * -0.25))
	tmp = 0.0
	if (Float64(x * y) <= -7.5e+167)
		tmp = Float64(x * y);
	elseif (Float64(x * y) <= -4.8e-305)
		tmp = t_1;
	elseif (Float64(x * y) <= 3.6e-308)
		tmp = t_2;
	elseif (Float64(x * y) <= 1.4e-124)
		tmp = t_1;
	elseif (Float64(x * y) <= 1.2e+138)
		tmp = t_2;
	else
		tmp = Float64(x * y);
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c)
	t_1 = t * (z * 0.0625);
	t_2 = b * (a * -0.25);
	tmp = 0.0;
	if ((x * y) <= -7.5e+167)
		tmp = x * y;
	elseif ((x * y) <= -4.8e-305)
		tmp = t_1;
	elseif ((x * y) <= 3.6e-308)
		tmp = t_2;
	elseif ((x * y) <= 1.4e-124)
		tmp = t_1;
	elseif ((x * y) <= 1.2e+138)
		tmp = t_2;
	else
		tmp = x * y;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_] := Block[{t$95$1 = N[(t * N[(z * 0.0625), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(b * N[(a * -0.25), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(x * y), $MachinePrecision], -7.5e+167], N[(x * y), $MachinePrecision], If[LessEqual[N[(x * y), $MachinePrecision], -4.8e-305], t$95$1, If[LessEqual[N[(x * y), $MachinePrecision], 3.6e-308], t$95$2, If[LessEqual[N[(x * y), $MachinePrecision], 1.4e-124], t$95$1, If[LessEqual[N[(x * y), $MachinePrecision], 1.2e+138], t$95$2, N[(x * y), $MachinePrecision]]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := t \cdot \left(z \cdot 0.0625\right)\\
t_2 := b \cdot \left(a \cdot -0.25\right)\\
\mathbf{if}\;x \cdot y \leq -7.5 \cdot 10^{+167}:\\
\;\;\;\;x \cdot y\\

\mathbf{elif}\;x \cdot y \leq -4.8 \cdot 10^{-305}:\\
\;\;\;\;t_1\\

\mathbf{elif}\;x \cdot y \leq 3.6 \cdot 10^{-308}:\\
\;\;\;\;t_2\\

\mathbf{elif}\;x \cdot y \leq 1.4 \cdot 10^{-124}:\\
\;\;\;\;t_1\\

\mathbf{elif}\;x \cdot y \leq 1.2 \cdot 10^{+138}:\\
\;\;\;\;t_2\\

\mathbf{else}:\\
\;\;\;\;x \cdot y\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (*.f64 x y) < -7.4999999999999995e167 or 1.2e138 < (*.f64 x y)

    1. Initial program 91.8%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Step-by-step derivation
      1. associate-+l-91.8%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) - \left(\frac{a \cdot b}{4} - c\right)} \]
      2. associate--l+91.8%

        \[\leadsto \color{blue}{x \cdot y + \left(\frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      3. fma-def94.5%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      4. associate-*l/94.5%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\frac{z}{16} \cdot t} - \left(\frac{a \cdot b}{4} - c\right)\right) \]
      5. fma-neg97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\mathsf{fma}\left(\frac{z}{16}, t, -\left(\frac{a \cdot b}{4} - c\right)\right)}\right) \]
      6. sub-neg97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, -\color{blue}{\left(\frac{a \cdot b}{4} + \left(-c\right)\right)}\right)\right) \]
      7. distribute-neg-in97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\left(-\frac{a \cdot b}{4}\right) + \left(-\left(-c\right)\right)}\right)\right) \]
      8. remove-double-neg97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\frac{a \cdot b}{4}\right) + \color{blue}{c}\right)\right) \]
      9. associate-/l*97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\color{blue}{\frac{a}{\frac{4}{b}}}\right) + c\right)\right) \]
      10. distribute-frac-neg97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{\frac{4}{b}}} + c\right)\right) \]
      11. associate-/r/97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{4} \cdot b} + c\right)\right) \]
      12. fma-def97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\mathsf{fma}\left(\frac{-a}{4}, b, c\right)}\right)\right) \]
      13. neg-mul-197.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{-1 \cdot a}}{4}, b, c\right)\right)\right) \]
      14. *-commutative97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{a \cdot -1}}{4}, b, c\right)\right)\right) \]
      15. associate-/l*97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\color{blue}{\frac{a}{\frac{4}{-1}}}, b, c\right)\right)\right) \]
      16. metadata-eval97.3%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{\color{blue}{-4}}, b, c\right)\right)\right) \]
    3. Simplified97.3%

      \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef94.5%

        \[\leadsto \color{blue}{x \cdot y + \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      2. fma-udef91.8%

        \[\leadsto x \cdot y + \color{blue}{\left(\frac{z}{16} \cdot t + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      3. associate-*l/91.8%

        \[\leadsto x \cdot y + \left(\color{blue}{\frac{z \cdot t}{16}} + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right) \]
      4. fma-udef91.8%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \color{blue}{\left(\frac{a}{-4} \cdot b + c\right)}\right) \]
      5. associate-/r/91.8%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \left(\color{blue}{\frac{a}{\frac{-4}{b}}} + c\right)\right) \]
      6. associate-+r+91.8%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right)} \]
      7. associate-*l/91.8%

        \[\leadsto \left(x \cdot y + \color{blue}{\frac{z}{16} \cdot t}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      8. fma-udef94.5%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      9. +-commutative94.5%

        \[\leadsto \color{blue}{\left(\frac{a}{\frac{-4}{b}} + c\right) + \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} \]
      10. fma-udef91.8%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \color{blue}{\left(x \cdot y + \frac{z}{16} \cdot t\right)} \]
      11. associate-*l/91.8%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \left(x \cdot y + \color{blue}{\frac{z \cdot t}{16}}\right) \]
      12. associate-+r+91.8%

        \[\leadsto \color{blue}{\left(\left(\frac{a}{\frac{-4}{b}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16}} \]
      13. div-inv91.8%

        \[\leadsto \left(\left(\color{blue}{a \cdot \frac{1}{\frac{-4}{b}}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      14. fma-def91.8%

        \[\leadsto \left(\color{blue}{\mathsf{fma}\left(a, \frac{1}{\frac{-4}{b}}, c\right)} + x \cdot y\right) + \frac{z \cdot t}{16} \]
      15. clear-num91.8%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{\frac{b}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      16. div-inv91.8%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{b \cdot \frac{1}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      17. metadata-eval91.8%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot \color{blue}{-0.25}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      18. associate-*l/91.8%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + \color{blue}{\frac{z}{16} \cdot t} \]
    6. Applied egg-rr91.8%

      \[\leadsto \color{blue}{\left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + t \cdot \left(z \cdot 0.0625\right)} \]
    7. Taylor expanded in x around inf 81.4%

      \[\leadsto \color{blue}{x \cdot y} \]

    if -7.4999999999999995e167 < (*.f64 x y) < -4.80000000000000039e-305 or 3.5999999999999999e-308 < (*.f64 x y) < 1.39999999999999999e-124

    1. Initial program 100.0%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Step-by-step derivation
      1. associate-+l-100.0%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) - \left(\frac{a \cdot b}{4} - c\right)} \]
      2. associate--l+100.0%

        \[\leadsto \color{blue}{x \cdot y + \left(\frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      3. fma-def100.0%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      4. associate-*l/100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\frac{z}{16} \cdot t} - \left(\frac{a \cdot b}{4} - c\right)\right) \]
      5. fma-neg100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\mathsf{fma}\left(\frac{z}{16}, t, -\left(\frac{a \cdot b}{4} - c\right)\right)}\right) \]
      6. sub-neg100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, -\color{blue}{\left(\frac{a \cdot b}{4} + \left(-c\right)\right)}\right)\right) \]
      7. distribute-neg-in100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\left(-\frac{a \cdot b}{4}\right) + \left(-\left(-c\right)\right)}\right)\right) \]
      8. remove-double-neg100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\frac{a \cdot b}{4}\right) + \color{blue}{c}\right)\right) \]
      9. associate-/l*99.9%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\color{blue}{\frac{a}{\frac{4}{b}}}\right) + c\right)\right) \]
      10. distribute-frac-neg99.9%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{\frac{4}{b}}} + c\right)\right) \]
      11. associate-/r/100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{4} \cdot b} + c\right)\right) \]
      12. fma-def100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\mathsf{fma}\left(\frac{-a}{4}, b, c\right)}\right)\right) \]
      13. neg-mul-1100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{-1 \cdot a}}{4}, b, c\right)\right)\right) \]
      14. *-commutative100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{a \cdot -1}}{4}, b, c\right)\right)\right) \]
      15. associate-/l*100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\color{blue}{\frac{a}{\frac{4}{-1}}}, b, c\right)\right)\right) \]
      16. metadata-eval100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{\color{blue}{-4}}, b, c\right)\right)\right) \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef100.0%

        \[\leadsto \color{blue}{x \cdot y + \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      2. fma-udef100.0%

        \[\leadsto x \cdot y + \color{blue}{\left(\frac{z}{16} \cdot t + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      3. associate-*l/100.0%

        \[\leadsto x \cdot y + \left(\color{blue}{\frac{z \cdot t}{16}} + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right) \]
      4. fma-udef100.0%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \color{blue}{\left(\frac{a}{-4} \cdot b + c\right)}\right) \]
      5. associate-/r/99.9%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \left(\color{blue}{\frac{a}{\frac{-4}{b}}} + c\right)\right) \]
      6. associate-+r+99.9%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right)} \]
      7. associate-*l/99.9%

        \[\leadsto \left(x \cdot y + \color{blue}{\frac{z}{16} \cdot t}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      8. fma-udef99.9%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      9. +-commutative99.9%

        \[\leadsto \color{blue}{\left(\frac{a}{\frac{-4}{b}} + c\right) + \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} \]
      10. fma-udef99.9%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \color{blue}{\left(x \cdot y + \frac{z}{16} \cdot t\right)} \]
      11. associate-*l/99.9%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \left(x \cdot y + \color{blue}{\frac{z \cdot t}{16}}\right) \]
      12. associate-+r+99.9%

        \[\leadsto \color{blue}{\left(\left(\frac{a}{\frac{-4}{b}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16}} \]
      13. div-inv99.9%

        \[\leadsto \left(\left(\color{blue}{a \cdot \frac{1}{\frac{-4}{b}}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      14. fma-def99.9%

        \[\leadsto \left(\color{blue}{\mathsf{fma}\left(a, \frac{1}{\frac{-4}{b}}, c\right)} + x \cdot y\right) + \frac{z \cdot t}{16} \]
      15. clear-num100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{\frac{b}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      16. div-inv100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{b \cdot \frac{1}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      17. metadata-eval100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot \color{blue}{-0.25}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      18. associate-*l/100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + \color{blue}{\frac{z}{16} \cdot t} \]
    6. Applied egg-rr100.0%

      \[\leadsto \color{blue}{\left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + t \cdot \left(z \cdot 0.0625\right)} \]
    7. Taylor expanded in t around inf 43.2%

      \[\leadsto \color{blue}{0.0625 \cdot \left(t \cdot z\right)} \]
    8. Step-by-step derivation
      1. *-commutative43.2%

        \[\leadsto \color{blue}{\left(t \cdot z\right) \cdot 0.0625} \]
      2. associate-*r*43.2%

        \[\leadsto \color{blue}{t \cdot \left(z \cdot 0.0625\right)} \]
      3. *-commutative43.2%

        \[\leadsto t \cdot \color{blue}{\left(0.0625 \cdot z\right)} \]
    9. Simplified43.2%

      \[\leadsto \color{blue}{t \cdot \left(0.0625 \cdot z\right)} \]

    if -4.80000000000000039e-305 < (*.f64 x y) < 3.5999999999999999e-308 or 1.39999999999999999e-124 < (*.f64 x y) < 1.2e138

    1. Initial program 100.0%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Step-by-step derivation
      1. associate-+l-100.0%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) - \left(\frac{a \cdot b}{4} - c\right)} \]
      2. associate--l+100.0%

        \[\leadsto \color{blue}{x \cdot y + \left(\frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      3. fma-def100.0%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      4. associate-*l/100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\frac{z}{16} \cdot t} - \left(\frac{a \cdot b}{4} - c\right)\right) \]
      5. fma-neg100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\mathsf{fma}\left(\frac{z}{16}, t, -\left(\frac{a \cdot b}{4} - c\right)\right)}\right) \]
      6. sub-neg100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, -\color{blue}{\left(\frac{a \cdot b}{4} + \left(-c\right)\right)}\right)\right) \]
      7. distribute-neg-in100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\left(-\frac{a \cdot b}{4}\right) + \left(-\left(-c\right)\right)}\right)\right) \]
      8. remove-double-neg100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\frac{a \cdot b}{4}\right) + \color{blue}{c}\right)\right) \]
      9. associate-/l*99.9%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\color{blue}{\frac{a}{\frac{4}{b}}}\right) + c\right)\right) \]
      10. distribute-frac-neg99.9%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{\frac{4}{b}}} + c\right)\right) \]
      11. associate-/r/100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{4} \cdot b} + c\right)\right) \]
      12. fma-def100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\mathsf{fma}\left(\frac{-a}{4}, b, c\right)}\right)\right) \]
      13. neg-mul-1100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{-1 \cdot a}}{4}, b, c\right)\right)\right) \]
      14. *-commutative100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{a \cdot -1}}{4}, b, c\right)\right)\right) \]
      15. associate-/l*100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\color{blue}{\frac{a}{\frac{4}{-1}}}, b, c\right)\right)\right) \]
      16. metadata-eval100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{\color{blue}{-4}}, b, c\right)\right)\right) \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef100.0%

        \[\leadsto \color{blue}{x \cdot y + \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      2. fma-udef100.0%

        \[\leadsto x \cdot y + \color{blue}{\left(\frac{z}{16} \cdot t + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      3. associate-*l/100.0%

        \[\leadsto x \cdot y + \left(\color{blue}{\frac{z \cdot t}{16}} + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right) \]
      4. fma-udef100.0%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \color{blue}{\left(\frac{a}{-4} \cdot b + c\right)}\right) \]
      5. associate-/r/99.9%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \left(\color{blue}{\frac{a}{\frac{-4}{b}}} + c\right)\right) \]
      6. associate-+r+99.9%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right)} \]
      7. associate-*l/99.9%

        \[\leadsto \left(x \cdot y + \color{blue}{\frac{z}{16} \cdot t}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      8. fma-udef99.9%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      9. +-commutative99.9%

        \[\leadsto \color{blue}{\left(\frac{a}{\frac{-4}{b}} + c\right) + \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} \]
      10. fma-udef99.9%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \color{blue}{\left(x \cdot y + \frac{z}{16} \cdot t\right)} \]
      11. associate-*l/99.9%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \left(x \cdot y + \color{blue}{\frac{z \cdot t}{16}}\right) \]
      12. associate-+r+99.9%

        \[\leadsto \color{blue}{\left(\left(\frac{a}{\frac{-4}{b}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16}} \]
      13. div-inv99.9%

        \[\leadsto \left(\left(\color{blue}{a \cdot \frac{1}{\frac{-4}{b}}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      14. fma-def99.9%

        \[\leadsto \left(\color{blue}{\mathsf{fma}\left(a, \frac{1}{\frac{-4}{b}}, c\right)} + x \cdot y\right) + \frac{z \cdot t}{16} \]
      15. clear-num100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{\frac{b}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      16. div-inv100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{b \cdot \frac{1}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      17. metadata-eval100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot \color{blue}{-0.25}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      18. associate-*l/100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + \color{blue}{\frac{z}{16} \cdot t} \]
    6. Applied egg-rr100.0%

      \[\leadsto \color{blue}{\left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + t \cdot \left(z \cdot 0.0625\right)} \]
    7. Taylor expanded in a around inf 49.7%

      \[\leadsto \color{blue}{-0.25 \cdot \left(a \cdot b\right)} \]
    8. Step-by-step derivation
      1. associate-*r*49.7%

        \[\leadsto \color{blue}{\left(-0.25 \cdot a\right) \cdot b} \]
    9. Simplified49.7%

      \[\leadsto \color{blue}{\left(-0.25 \cdot a\right) \cdot b} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification56.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \cdot y \leq -7.5 \cdot 10^{+167}:\\ \;\;\;\;x \cdot y\\ \mathbf{elif}\;x \cdot y \leq -4.8 \cdot 10^{-305}:\\ \;\;\;\;t \cdot \left(z \cdot 0.0625\right)\\ \mathbf{elif}\;x \cdot y \leq 3.6 \cdot 10^{-308}:\\ \;\;\;\;b \cdot \left(a \cdot -0.25\right)\\ \mathbf{elif}\;x \cdot y \leq 1.4 \cdot 10^{-124}:\\ \;\;\;\;t \cdot \left(z \cdot 0.0625\right)\\ \mathbf{elif}\;x \cdot y \leq 1.2 \cdot 10^{+138}:\\ \;\;\;\;b \cdot \left(a \cdot -0.25\right)\\ \mathbf{else}:\\ \;\;\;\;x \cdot y\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 59.9% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := c + 0.0625 \cdot \left(z \cdot t\right)\\ \mathbf{if}\;x \cdot y \leq -1 \cdot 10^{+168}:\\ \;\;\;\;x \cdot y\\ \mathbf{elif}\;x \cdot y \leq -4.6 \cdot 10^{-305}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;x \cdot y \leq 10^{-311}:\\ \;\;\;\;b \cdot \left(a \cdot -0.25\right)\\ \mathbf{elif}\;x \cdot y \leq 3.6 \cdot 10^{+133}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;x \cdot y\\ \end{array} \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (let* ((t_1 (+ c (* 0.0625 (* z t)))))
   (if (<= (* x y) -1e+168)
     (* x y)
     (if (<= (* x y) -4.6e-305)
       t_1
       (if (<= (* x y) 1e-311)
         (* b (* a -0.25))
         (if (<= (* x y) 3.6e+133) t_1 (* x y)))))))
double code(double x, double y, double z, double t, double a, double b, double c) {
	double t_1 = c + (0.0625 * (z * t));
	double tmp;
	if ((x * y) <= -1e+168) {
		tmp = x * y;
	} else if ((x * y) <= -4.6e-305) {
		tmp = t_1;
	} else if ((x * y) <= 1e-311) {
		tmp = b * (a * -0.25);
	} else if ((x * y) <= 3.6e+133) {
		tmp = t_1;
	} else {
		tmp = x * y;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    real(8) :: t_1
    real(8) :: tmp
    t_1 = c + (0.0625d0 * (z * t))
    if ((x * y) <= (-1d+168)) then
        tmp = x * y
    else if ((x * y) <= (-4.6d-305)) then
        tmp = t_1
    else if ((x * y) <= 1d-311) then
        tmp = b * (a * (-0.25d0))
    else if ((x * y) <= 3.6d+133) then
        tmp = t_1
    else
        tmp = x * y
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
	double t_1 = c + (0.0625 * (z * t));
	double tmp;
	if ((x * y) <= -1e+168) {
		tmp = x * y;
	} else if ((x * y) <= -4.6e-305) {
		tmp = t_1;
	} else if ((x * y) <= 1e-311) {
		tmp = b * (a * -0.25);
	} else if ((x * y) <= 3.6e+133) {
		tmp = t_1;
	} else {
		tmp = x * y;
	}
	return tmp;
}
def code(x, y, z, t, a, b, c):
	t_1 = c + (0.0625 * (z * t))
	tmp = 0
	if (x * y) <= -1e+168:
		tmp = x * y
	elif (x * y) <= -4.6e-305:
		tmp = t_1
	elif (x * y) <= 1e-311:
		tmp = b * (a * -0.25)
	elif (x * y) <= 3.6e+133:
		tmp = t_1
	else:
		tmp = x * y
	return tmp
function code(x, y, z, t, a, b, c)
	t_1 = Float64(c + Float64(0.0625 * Float64(z * t)))
	tmp = 0.0
	if (Float64(x * y) <= -1e+168)
		tmp = Float64(x * y);
	elseif (Float64(x * y) <= -4.6e-305)
		tmp = t_1;
	elseif (Float64(x * y) <= 1e-311)
		tmp = Float64(b * Float64(a * -0.25));
	elseif (Float64(x * y) <= 3.6e+133)
		tmp = t_1;
	else
		tmp = Float64(x * y);
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c)
	t_1 = c + (0.0625 * (z * t));
	tmp = 0.0;
	if ((x * y) <= -1e+168)
		tmp = x * y;
	elseif ((x * y) <= -4.6e-305)
		tmp = t_1;
	elseif ((x * y) <= 1e-311)
		tmp = b * (a * -0.25);
	elseif ((x * y) <= 3.6e+133)
		tmp = t_1;
	else
		tmp = x * y;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_] := Block[{t$95$1 = N[(c + N[(0.0625 * N[(z * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(x * y), $MachinePrecision], -1e+168], N[(x * y), $MachinePrecision], If[LessEqual[N[(x * y), $MachinePrecision], -4.6e-305], t$95$1, If[LessEqual[N[(x * y), $MachinePrecision], 1e-311], N[(b * N[(a * -0.25), $MachinePrecision]), $MachinePrecision], If[LessEqual[N[(x * y), $MachinePrecision], 3.6e+133], t$95$1, N[(x * y), $MachinePrecision]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := c + 0.0625 \cdot \left(z \cdot t\right)\\
\mathbf{if}\;x \cdot y \leq -1 \cdot 10^{+168}:\\
\;\;\;\;x \cdot y\\

\mathbf{elif}\;x \cdot y \leq -4.6 \cdot 10^{-305}:\\
\;\;\;\;t_1\\

\mathbf{elif}\;x \cdot y \leq 10^{-311}:\\
\;\;\;\;b \cdot \left(a \cdot -0.25\right)\\

\mathbf{elif}\;x \cdot y \leq 3.6 \cdot 10^{+133}:\\
\;\;\;\;t_1\\

\mathbf{else}:\\
\;\;\;\;x \cdot y\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (*.f64 x y) < -9.9999999999999993e167 or 3.59999999999999978e133 < (*.f64 x y)

    1. Initial program 92.1%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Step-by-step derivation
      1. associate-+l-92.1%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) - \left(\frac{a \cdot b}{4} - c\right)} \]
      2. associate--l+92.1%

        \[\leadsto \color{blue}{x \cdot y + \left(\frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      3. fma-def94.7%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      4. associate-*l/94.7%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\frac{z}{16} \cdot t} - \left(\frac{a \cdot b}{4} - c\right)\right) \]
      5. fma-neg97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\mathsf{fma}\left(\frac{z}{16}, t, -\left(\frac{a \cdot b}{4} - c\right)\right)}\right) \]
      6. sub-neg97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, -\color{blue}{\left(\frac{a \cdot b}{4} + \left(-c\right)\right)}\right)\right) \]
      7. distribute-neg-in97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\left(-\frac{a \cdot b}{4}\right) + \left(-\left(-c\right)\right)}\right)\right) \]
      8. remove-double-neg97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\frac{a \cdot b}{4}\right) + \color{blue}{c}\right)\right) \]
      9. associate-/l*97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\color{blue}{\frac{a}{\frac{4}{b}}}\right) + c\right)\right) \]
      10. distribute-frac-neg97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{\frac{4}{b}}} + c\right)\right) \]
      11. associate-/r/97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{4} \cdot b} + c\right)\right) \]
      12. fma-def97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\mathsf{fma}\left(\frac{-a}{4}, b, c\right)}\right)\right) \]
      13. neg-mul-197.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{-1 \cdot a}}{4}, b, c\right)\right)\right) \]
      14. *-commutative97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{a \cdot -1}}{4}, b, c\right)\right)\right) \]
      15. associate-/l*97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\color{blue}{\frac{a}{\frac{4}{-1}}}, b, c\right)\right)\right) \]
      16. metadata-eval97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{\color{blue}{-4}}, b, c\right)\right)\right) \]
    3. Simplified97.4%

      \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef94.7%

        \[\leadsto \color{blue}{x \cdot y + \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      2. fma-udef92.1%

        \[\leadsto x \cdot y + \color{blue}{\left(\frac{z}{16} \cdot t + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      3. associate-*l/92.1%

        \[\leadsto x \cdot y + \left(\color{blue}{\frac{z \cdot t}{16}} + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right) \]
      4. fma-udef92.1%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \color{blue}{\left(\frac{a}{-4} \cdot b + c\right)}\right) \]
      5. associate-/r/92.1%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \left(\color{blue}{\frac{a}{\frac{-4}{b}}} + c\right)\right) \]
      6. associate-+r+92.1%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right)} \]
      7. associate-*l/92.1%

        \[\leadsto \left(x \cdot y + \color{blue}{\frac{z}{16} \cdot t}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      8. fma-udef94.7%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      9. +-commutative94.7%

        \[\leadsto \color{blue}{\left(\frac{a}{\frac{-4}{b}} + c\right) + \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} \]
      10. fma-udef92.1%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \color{blue}{\left(x \cdot y + \frac{z}{16} \cdot t\right)} \]
      11. associate-*l/92.1%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \left(x \cdot y + \color{blue}{\frac{z \cdot t}{16}}\right) \]
      12. associate-+r+92.1%

        \[\leadsto \color{blue}{\left(\left(\frac{a}{\frac{-4}{b}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16}} \]
      13. div-inv92.1%

        \[\leadsto \left(\left(\color{blue}{a \cdot \frac{1}{\frac{-4}{b}}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      14. fma-def92.1%

        \[\leadsto \left(\color{blue}{\mathsf{fma}\left(a, \frac{1}{\frac{-4}{b}}, c\right)} + x \cdot y\right) + \frac{z \cdot t}{16} \]
      15. clear-num92.1%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{\frac{b}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      16. div-inv92.1%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{b \cdot \frac{1}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      17. metadata-eval92.1%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot \color{blue}{-0.25}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      18. associate-*l/92.1%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + \color{blue}{\frac{z}{16} \cdot t} \]
    6. Applied egg-rr92.1%

      \[\leadsto \color{blue}{\left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + t \cdot \left(z \cdot 0.0625\right)} \]
    7. Taylor expanded in x around inf 79.6%

      \[\leadsto \color{blue}{x \cdot y} \]

    if -9.9999999999999993e167 < (*.f64 x y) < -4.5999999999999999e-305 or 9.99999999999948e-312 < (*.f64 x y) < 3.59999999999999978e133

    1. Initial program 100.0%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in a around 0 72.4%

      \[\leadsto \color{blue}{c + \left(0.0625 \cdot \left(t \cdot z\right) + x \cdot y\right)} \]
    4. Taylor expanded in x around 0 65.0%

      \[\leadsto \color{blue}{c + 0.0625 \cdot \left(t \cdot z\right)} \]

    if -4.5999999999999999e-305 < (*.f64 x y) < 9.99999999999948e-312

    1. Initial program 100.0%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Step-by-step derivation
      1. associate-+l-100.0%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) - \left(\frac{a \cdot b}{4} - c\right)} \]
      2. associate--l+100.0%

        \[\leadsto \color{blue}{x \cdot y + \left(\frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      3. fma-def100.0%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      4. associate-*l/100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\frac{z}{16} \cdot t} - \left(\frac{a \cdot b}{4} - c\right)\right) \]
      5. fma-neg100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\mathsf{fma}\left(\frac{z}{16}, t, -\left(\frac{a \cdot b}{4} - c\right)\right)}\right) \]
      6. sub-neg100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, -\color{blue}{\left(\frac{a \cdot b}{4} + \left(-c\right)\right)}\right)\right) \]
      7. distribute-neg-in100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\left(-\frac{a \cdot b}{4}\right) + \left(-\left(-c\right)\right)}\right)\right) \]
      8. remove-double-neg100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\frac{a \cdot b}{4}\right) + \color{blue}{c}\right)\right) \]
      9. associate-/l*99.9%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\color{blue}{\frac{a}{\frac{4}{b}}}\right) + c\right)\right) \]
      10. distribute-frac-neg99.9%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{\frac{4}{b}}} + c\right)\right) \]
      11. associate-/r/100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{4} \cdot b} + c\right)\right) \]
      12. fma-def100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\mathsf{fma}\left(\frac{-a}{4}, b, c\right)}\right)\right) \]
      13. neg-mul-1100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{-1 \cdot a}}{4}, b, c\right)\right)\right) \]
      14. *-commutative100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{a \cdot -1}}{4}, b, c\right)\right)\right) \]
      15. associate-/l*100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\color{blue}{\frac{a}{\frac{4}{-1}}}, b, c\right)\right)\right) \]
      16. metadata-eval100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{\color{blue}{-4}}, b, c\right)\right)\right) \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef100.0%

        \[\leadsto \color{blue}{x \cdot y + \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      2. fma-udef100.0%

        \[\leadsto x \cdot y + \color{blue}{\left(\frac{z}{16} \cdot t + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      3. associate-*l/100.0%

        \[\leadsto x \cdot y + \left(\color{blue}{\frac{z \cdot t}{16}} + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right) \]
      4. fma-udef100.0%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \color{blue}{\left(\frac{a}{-4} \cdot b + c\right)}\right) \]
      5. associate-/r/99.9%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \left(\color{blue}{\frac{a}{\frac{-4}{b}}} + c\right)\right) \]
      6. associate-+r+99.9%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right)} \]
      7. associate-*l/99.9%

        \[\leadsto \left(x \cdot y + \color{blue}{\frac{z}{16} \cdot t}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      8. fma-udef99.9%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      9. +-commutative99.9%

        \[\leadsto \color{blue}{\left(\frac{a}{\frac{-4}{b}} + c\right) + \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} \]
      10. fma-udef99.9%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \color{blue}{\left(x \cdot y + \frac{z}{16} \cdot t\right)} \]
      11. associate-*l/99.9%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \left(x \cdot y + \color{blue}{\frac{z \cdot t}{16}}\right) \]
      12. associate-+r+99.9%

        \[\leadsto \color{blue}{\left(\left(\frac{a}{\frac{-4}{b}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16}} \]
      13. div-inv100.0%

        \[\leadsto \left(\left(\color{blue}{a \cdot \frac{1}{\frac{-4}{b}}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      14. fma-def100.0%

        \[\leadsto \left(\color{blue}{\mathsf{fma}\left(a, \frac{1}{\frac{-4}{b}}, c\right)} + x \cdot y\right) + \frac{z \cdot t}{16} \]
      15. clear-num100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{\frac{b}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      16. div-inv100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{b \cdot \frac{1}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      17. metadata-eval100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot \color{blue}{-0.25}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      18. associate-*l/100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + \color{blue}{\frac{z}{16} \cdot t} \]
    6. Applied egg-rr100.0%

      \[\leadsto \color{blue}{\left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + t \cdot \left(z \cdot 0.0625\right)} \]
    7. Taylor expanded in a around inf 59.9%

      \[\leadsto \color{blue}{-0.25 \cdot \left(a \cdot b\right)} \]
    8. Step-by-step derivation
      1. associate-*r*59.9%

        \[\leadsto \color{blue}{\left(-0.25 \cdot a\right) \cdot b} \]
    9. Simplified59.9%

      \[\leadsto \color{blue}{\left(-0.25 \cdot a\right) \cdot b} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification68.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \cdot y \leq -1 \cdot 10^{+168}:\\ \;\;\;\;x \cdot y\\ \mathbf{elif}\;x \cdot y \leq -4.6 \cdot 10^{-305}:\\ \;\;\;\;c + 0.0625 \cdot \left(z \cdot t\right)\\ \mathbf{elif}\;x \cdot y \leq 10^{-311}:\\ \;\;\;\;b \cdot \left(a \cdot -0.25\right)\\ \mathbf{elif}\;x \cdot y \leq 3.6 \cdot 10^{+133}:\\ \;\;\;\;c + 0.0625 \cdot \left(z \cdot t\right)\\ \mathbf{else}:\\ \;\;\;\;x \cdot y\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 44.8% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := t \cdot \left(z \cdot 0.0625\right)\\ \mathbf{if}\;x \cdot y \leq -7.5 \cdot 10^{+167}:\\ \;\;\;\;x \cdot y\\ \mathbf{elif}\;x \cdot y \leq -4.05 \cdot 10^{+40}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;x \cdot y \leq -3.8 \cdot 10^{-14}:\\ \;\;\;\;c\\ \mathbf{elif}\;x \cdot y \leq 2.1 \cdot 10^{+133}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;x \cdot y\\ \end{array} \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (let* ((t_1 (* t (* z 0.0625))))
   (if (<= (* x y) -7.5e+167)
     (* x y)
     (if (<= (* x y) -4.05e+40)
       t_1
       (if (<= (* x y) -3.8e-14) c (if (<= (* x y) 2.1e+133) t_1 (* x y)))))))
double code(double x, double y, double z, double t, double a, double b, double c) {
	double t_1 = t * (z * 0.0625);
	double tmp;
	if ((x * y) <= -7.5e+167) {
		tmp = x * y;
	} else if ((x * y) <= -4.05e+40) {
		tmp = t_1;
	} else if ((x * y) <= -3.8e-14) {
		tmp = c;
	} else if ((x * y) <= 2.1e+133) {
		tmp = t_1;
	} else {
		tmp = x * y;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    real(8) :: t_1
    real(8) :: tmp
    t_1 = t * (z * 0.0625d0)
    if ((x * y) <= (-7.5d+167)) then
        tmp = x * y
    else if ((x * y) <= (-4.05d+40)) then
        tmp = t_1
    else if ((x * y) <= (-3.8d-14)) then
        tmp = c
    else if ((x * y) <= 2.1d+133) then
        tmp = t_1
    else
        tmp = x * y
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
	double t_1 = t * (z * 0.0625);
	double tmp;
	if ((x * y) <= -7.5e+167) {
		tmp = x * y;
	} else if ((x * y) <= -4.05e+40) {
		tmp = t_1;
	} else if ((x * y) <= -3.8e-14) {
		tmp = c;
	} else if ((x * y) <= 2.1e+133) {
		tmp = t_1;
	} else {
		tmp = x * y;
	}
	return tmp;
}
def code(x, y, z, t, a, b, c):
	t_1 = t * (z * 0.0625)
	tmp = 0
	if (x * y) <= -7.5e+167:
		tmp = x * y
	elif (x * y) <= -4.05e+40:
		tmp = t_1
	elif (x * y) <= -3.8e-14:
		tmp = c
	elif (x * y) <= 2.1e+133:
		tmp = t_1
	else:
		tmp = x * y
	return tmp
function code(x, y, z, t, a, b, c)
	t_1 = Float64(t * Float64(z * 0.0625))
	tmp = 0.0
	if (Float64(x * y) <= -7.5e+167)
		tmp = Float64(x * y);
	elseif (Float64(x * y) <= -4.05e+40)
		tmp = t_1;
	elseif (Float64(x * y) <= -3.8e-14)
		tmp = c;
	elseif (Float64(x * y) <= 2.1e+133)
		tmp = t_1;
	else
		tmp = Float64(x * y);
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c)
	t_1 = t * (z * 0.0625);
	tmp = 0.0;
	if ((x * y) <= -7.5e+167)
		tmp = x * y;
	elseif ((x * y) <= -4.05e+40)
		tmp = t_1;
	elseif ((x * y) <= -3.8e-14)
		tmp = c;
	elseif ((x * y) <= 2.1e+133)
		tmp = t_1;
	else
		tmp = x * y;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_] := Block[{t$95$1 = N[(t * N[(z * 0.0625), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(x * y), $MachinePrecision], -7.5e+167], N[(x * y), $MachinePrecision], If[LessEqual[N[(x * y), $MachinePrecision], -4.05e+40], t$95$1, If[LessEqual[N[(x * y), $MachinePrecision], -3.8e-14], c, If[LessEqual[N[(x * y), $MachinePrecision], 2.1e+133], t$95$1, N[(x * y), $MachinePrecision]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := t \cdot \left(z \cdot 0.0625\right)\\
\mathbf{if}\;x \cdot y \leq -7.5 \cdot 10^{+167}:\\
\;\;\;\;x \cdot y\\

\mathbf{elif}\;x \cdot y \leq -4.05 \cdot 10^{+40}:\\
\;\;\;\;t_1\\

\mathbf{elif}\;x \cdot y \leq -3.8 \cdot 10^{-14}:\\
\;\;\;\;c\\

\mathbf{elif}\;x \cdot y \leq 2.1 \cdot 10^{+133}:\\
\;\;\;\;t_1\\

\mathbf{else}:\\
\;\;\;\;x \cdot y\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (*.f64 x y) < -7.4999999999999995e167 or 2.1e133 < (*.f64 x y)

    1. Initial program 92.1%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Step-by-step derivation
      1. associate-+l-92.1%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) - \left(\frac{a \cdot b}{4} - c\right)} \]
      2. associate--l+92.1%

        \[\leadsto \color{blue}{x \cdot y + \left(\frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      3. fma-def94.7%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      4. associate-*l/94.7%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\frac{z}{16} \cdot t} - \left(\frac{a \cdot b}{4} - c\right)\right) \]
      5. fma-neg97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\mathsf{fma}\left(\frac{z}{16}, t, -\left(\frac{a \cdot b}{4} - c\right)\right)}\right) \]
      6. sub-neg97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, -\color{blue}{\left(\frac{a \cdot b}{4} + \left(-c\right)\right)}\right)\right) \]
      7. distribute-neg-in97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\left(-\frac{a \cdot b}{4}\right) + \left(-\left(-c\right)\right)}\right)\right) \]
      8. remove-double-neg97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\frac{a \cdot b}{4}\right) + \color{blue}{c}\right)\right) \]
      9. associate-/l*97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\color{blue}{\frac{a}{\frac{4}{b}}}\right) + c\right)\right) \]
      10. distribute-frac-neg97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{\frac{4}{b}}} + c\right)\right) \]
      11. associate-/r/97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{4} \cdot b} + c\right)\right) \]
      12. fma-def97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\mathsf{fma}\left(\frac{-a}{4}, b, c\right)}\right)\right) \]
      13. neg-mul-197.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{-1 \cdot a}}{4}, b, c\right)\right)\right) \]
      14. *-commutative97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{a \cdot -1}}{4}, b, c\right)\right)\right) \]
      15. associate-/l*97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\color{blue}{\frac{a}{\frac{4}{-1}}}, b, c\right)\right)\right) \]
      16. metadata-eval97.4%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{\color{blue}{-4}}, b, c\right)\right)\right) \]
    3. Simplified97.4%

      \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef94.7%

        \[\leadsto \color{blue}{x \cdot y + \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      2. fma-udef92.1%

        \[\leadsto x \cdot y + \color{blue}{\left(\frac{z}{16} \cdot t + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      3. associate-*l/92.1%

        \[\leadsto x \cdot y + \left(\color{blue}{\frac{z \cdot t}{16}} + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right) \]
      4. fma-udef92.1%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \color{blue}{\left(\frac{a}{-4} \cdot b + c\right)}\right) \]
      5. associate-/r/92.1%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \left(\color{blue}{\frac{a}{\frac{-4}{b}}} + c\right)\right) \]
      6. associate-+r+92.1%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right)} \]
      7. associate-*l/92.1%

        \[\leadsto \left(x \cdot y + \color{blue}{\frac{z}{16} \cdot t}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      8. fma-udef94.7%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      9. +-commutative94.7%

        \[\leadsto \color{blue}{\left(\frac{a}{\frac{-4}{b}} + c\right) + \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} \]
      10. fma-udef92.1%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \color{blue}{\left(x \cdot y + \frac{z}{16} \cdot t\right)} \]
      11. associate-*l/92.1%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \left(x \cdot y + \color{blue}{\frac{z \cdot t}{16}}\right) \]
      12. associate-+r+92.1%

        \[\leadsto \color{blue}{\left(\left(\frac{a}{\frac{-4}{b}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16}} \]
      13. div-inv92.1%

        \[\leadsto \left(\left(\color{blue}{a \cdot \frac{1}{\frac{-4}{b}}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      14. fma-def92.1%

        \[\leadsto \left(\color{blue}{\mathsf{fma}\left(a, \frac{1}{\frac{-4}{b}}, c\right)} + x \cdot y\right) + \frac{z \cdot t}{16} \]
      15. clear-num92.1%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{\frac{b}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      16. div-inv92.1%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{b \cdot \frac{1}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      17. metadata-eval92.1%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot \color{blue}{-0.25}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      18. associate-*l/92.1%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + \color{blue}{\frac{z}{16} \cdot t} \]
    6. Applied egg-rr92.1%

      \[\leadsto \color{blue}{\left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + t \cdot \left(z \cdot 0.0625\right)} \]
    7. Taylor expanded in x around inf 79.6%

      \[\leadsto \color{blue}{x \cdot y} \]

    if -7.4999999999999995e167 < (*.f64 x y) < -4.0499999999999999e40 or -3.8000000000000002e-14 < (*.f64 x y) < 2.1e133

    1. Initial program 100.0%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Step-by-step derivation
      1. associate-+l-100.0%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) - \left(\frac{a \cdot b}{4} - c\right)} \]
      2. associate--l+100.0%

        \[\leadsto \color{blue}{x \cdot y + \left(\frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      3. fma-def100.0%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      4. associate-*l/100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\frac{z}{16} \cdot t} - \left(\frac{a \cdot b}{4} - c\right)\right) \]
      5. fma-neg100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\mathsf{fma}\left(\frac{z}{16}, t, -\left(\frac{a \cdot b}{4} - c\right)\right)}\right) \]
      6. sub-neg100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, -\color{blue}{\left(\frac{a \cdot b}{4} + \left(-c\right)\right)}\right)\right) \]
      7. distribute-neg-in100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\left(-\frac{a \cdot b}{4}\right) + \left(-\left(-c\right)\right)}\right)\right) \]
      8. remove-double-neg100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\frac{a \cdot b}{4}\right) + \color{blue}{c}\right)\right) \]
      9. associate-/l*99.9%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\color{blue}{\frac{a}{\frac{4}{b}}}\right) + c\right)\right) \]
      10. distribute-frac-neg99.9%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{\frac{4}{b}}} + c\right)\right) \]
      11. associate-/r/100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{4} \cdot b} + c\right)\right) \]
      12. fma-def100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\mathsf{fma}\left(\frac{-a}{4}, b, c\right)}\right)\right) \]
      13. neg-mul-1100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{-1 \cdot a}}{4}, b, c\right)\right)\right) \]
      14. *-commutative100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{a \cdot -1}}{4}, b, c\right)\right)\right) \]
      15. associate-/l*100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\color{blue}{\frac{a}{\frac{4}{-1}}}, b, c\right)\right)\right) \]
      16. metadata-eval100.0%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{\color{blue}{-4}}, b, c\right)\right)\right) \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef100.0%

        \[\leadsto \color{blue}{x \cdot y + \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      2. fma-udef100.0%

        \[\leadsto x \cdot y + \color{blue}{\left(\frac{z}{16} \cdot t + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      3. associate-*l/100.0%

        \[\leadsto x \cdot y + \left(\color{blue}{\frac{z \cdot t}{16}} + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right) \]
      4. fma-udef100.0%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \color{blue}{\left(\frac{a}{-4} \cdot b + c\right)}\right) \]
      5. associate-/r/99.9%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \left(\color{blue}{\frac{a}{\frac{-4}{b}}} + c\right)\right) \]
      6. associate-+r+99.9%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right)} \]
      7. associate-*l/99.9%

        \[\leadsto \left(x \cdot y + \color{blue}{\frac{z}{16} \cdot t}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      8. fma-udef99.9%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      9. +-commutative99.9%

        \[\leadsto \color{blue}{\left(\frac{a}{\frac{-4}{b}} + c\right) + \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} \]
      10. fma-udef99.9%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \color{blue}{\left(x \cdot y + \frac{z}{16} \cdot t\right)} \]
      11. associate-*l/99.9%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \left(x \cdot y + \color{blue}{\frac{z \cdot t}{16}}\right) \]
      12. associate-+r+99.9%

        \[\leadsto \color{blue}{\left(\left(\frac{a}{\frac{-4}{b}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16}} \]
      13. div-inv99.9%

        \[\leadsto \left(\left(\color{blue}{a \cdot \frac{1}{\frac{-4}{b}}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      14. fma-def99.9%

        \[\leadsto \left(\color{blue}{\mathsf{fma}\left(a, \frac{1}{\frac{-4}{b}}, c\right)} + x \cdot y\right) + \frac{z \cdot t}{16} \]
      15. clear-num100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{\frac{b}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      16. div-inv100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{b \cdot \frac{1}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      17. metadata-eval100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot \color{blue}{-0.25}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      18. associate-*l/100.0%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + \color{blue}{\frac{z}{16} \cdot t} \]
    6. Applied egg-rr100.0%

      \[\leadsto \color{blue}{\left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + t \cdot \left(z \cdot 0.0625\right)} \]
    7. Taylor expanded in t around inf 39.7%

      \[\leadsto \color{blue}{0.0625 \cdot \left(t \cdot z\right)} \]
    8. Step-by-step derivation
      1. *-commutative39.7%

        \[\leadsto \color{blue}{\left(t \cdot z\right) \cdot 0.0625} \]
      2. associate-*r*39.7%

        \[\leadsto \color{blue}{t \cdot \left(z \cdot 0.0625\right)} \]
      3. *-commutative39.7%

        \[\leadsto t \cdot \color{blue}{\left(0.0625 \cdot z\right)} \]
    9. Simplified39.7%

      \[\leadsto \color{blue}{t \cdot \left(0.0625 \cdot z\right)} \]

    if -4.0499999999999999e40 < (*.f64 x y) < -3.8000000000000002e-14

    1. Initial program 100.0%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in c around inf 44.3%

      \[\leadsto \color{blue}{c} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification51.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \cdot y \leq -7.5 \cdot 10^{+167}:\\ \;\;\;\;x \cdot y\\ \mathbf{elif}\;x \cdot y \leq -4.05 \cdot 10^{+40}:\\ \;\;\;\;t \cdot \left(z \cdot 0.0625\right)\\ \mathbf{elif}\;x \cdot y \leq -3.8 \cdot 10^{-14}:\\ \;\;\;\;c\\ \mathbf{elif}\;x \cdot y \leq 2.1 \cdot 10^{+133}:\\ \;\;\;\;t \cdot \left(z \cdot 0.0625\right)\\ \mathbf{else}:\\ \;\;\;\;x \cdot y\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 67.9% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := 0.0625 \cdot \left(z \cdot t\right)\\ t_2 := x \cdot y - \left(a \cdot b\right) \cdot 0.25\\ \mathbf{if}\;a \cdot b \leq -1 \cdot 10^{+42}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;a \cdot b \leq 5 \cdot 10^{-210}:\\ \;\;\;\;x \cdot y + t_1\\ \mathbf{elif}\;a \cdot b \leq 5 \cdot 10^{+111}:\\ \;\;\;\;c + t_1\\ \mathbf{else}:\\ \;\;\;\;t_2\\ \end{array} \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (let* ((t_1 (* 0.0625 (* z t))) (t_2 (- (* x y) (* (* a b) 0.25))))
   (if (<= (* a b) -1e+42)
     t_2
     (if (<= (* a b) 5e-210)
       (+ (* x y) t_1)
       (if (<= (* a b) 5e+111) (+ c t_1) t_2)))))
double code(double x, double y, double z, double t, double a, double b, double c) {
	double t_1 = 0.0625 * (z * t);
	double t_2 = (x * y) - ((a * b) * 0.25);
	double tmp;
	if ((a * b) <= -1e+42) {
		tmp = t_2;
	} else if ((a * b) <= 5e-210) {
		tmp = (x * y) + t_1;
	} else if ((a * b) <= 5e+111) {
		tmp = c + t_1;
	} else {
		tmp = t_2;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: tmp
    t_1 = 0.0625d0 * (z * t)
    t_2 = (x * y) - ((a * b) * 0.25d0)
    if ((a * b) <= (-1d+42)) then
        tmp = t_2
    else if ((a * b) <= 5d-210) then
        tmp = (x * y) + t_1
    else if ((a * b) <= 5d+111) then
        tmp = c + t_1
    else
        tmp = t_2
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
	double t_1 = 0.0625 * (z * t);
	double t_2 = (x * y) - ((a * b) * 0.25);
	double tmp;
	if ((a * b) <= -1e+42) {
		tmp = t_2;
	} else if ((a * b) <= 5e-210) {
		tmp = (x * y) + t_1;
	} else if ((a * b) <= 5e+111) {
		tmp = c + t_1;
	} else {
		tmp = t_2;
	}
	return tmp;
}
def code(x, y, z, t, a, b, c):
	t_1 = 0.0625 * (z * t)
	t_2 = (x * y) - ((a * b) * 0.25)
	tmp = 0
	if (a * b) <= -1e+42:
		tmp = t_2
	elif (a * b) <= 5e-210:
		tmp = (x * y) + t_1
	elif (a * b) <= 5e+111:
		tmp = c + t_1
	else:
		tmp = t_2
	return tmp
function code(x, y, z, t, a, b, c)
	t_1 = Float64(0.0625 * Float64(z * t))
	t_2 = Float64(Float64(x * y) - Float64(Float64(a * b) * 0.25))
	tmp = 0.0
	if (Float64(a * b) <= -1e+42)
		tmp = t_2;
	elseif (Float64(a * b) <= 5e-210)
		tmp = Float64(Float64(x * y) + t_1);
	elseif (Float64(a * b) <= 5e+111)
		tmp = Float64(c + t_1);
	else
		tmp = t_2;
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c)
	t_1 = 0.0625 * (z * t);
	t_2 = (x * y) - ((a * b) * 0.25);
	tmp = 0.0;
	if ((a * b) <= -1e+42)
		tmp = t_2;
	elseif ((a * b) <= 5e-210)
		tmp = (x * y) + t_1;
	elseif ((a * b) <= 5e+111)
		tmp = c + t_1;
	else
		tmp = t_2;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_] := Block[{t$95$1 = N[(0.0625 * N[(z * t), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(x * y), $MachinePrecision] - N[(N[(a * b), $MachinePrecision] * 0.25), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(a * b), $MachinePrecision], -1e+42], t$95$2, If[LessEqual[N[(a * b), $MachinePrecision], 5e-210], N[(N[(x * y), $MachinePrecision] + t$95$1), $MachinePrecision], If[LessEqual[N[(a * b), $MachinePrecision], 5e+111], N[(c + t$95$1), $MachinePrecision], t$95$2]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := 0.0625 \cdot \left(z \cdot t\right)\\
t_2 := x \cdot y - \left(a \cdot b\right) \cdot 0.25\\
\mathbf{if}\;a \cdot b \leq -1 \cdot 10^{+42}:\\
\;\;\;\;t_2\\

\mathbf{elif}\;a \cdot b \leq 5 \cdot 10^{-210}:\\
\;\;\;\;x \cdot y + t_1\\

\mathbf{elif}\;a \cdot b \leq 5 \cdot 10^{+111}:\\
\;\;\;\;c + t_1\\

\mathbf{else}:\\
\;\;\;\;t_2\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (*.f64 a b) < -1.00000000000000004e42 or 4.9999999999999997e111 < (*.f64 a b)

    1. Initial program 96.1%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in z around 0 91.8%

      \[\leadsto \color{blue}{\left(c + x \cdot y\right) - 0.25 \cdot \left(a \cdot b\right)} \]
    4. Taylor expanded in c around 0 84.3%

      \[\leadsto \color{blue}{x \cdot y - 0.25 \cdot \left(a \cdot b\right)} \]

    if -1.00000000000000004e42 < (*.f64 a b) < 5.0000000000000002e-210

    1. Initial program 100.0%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in a around 0 97.0%

      \[\leadsto \color{blue}{c + \left(0.0625 \cdot \left(t \cdot z\right) + x \cdot y\right)} \]
    4. Taylor expanded in c around 0 78.1%

      \[\leadsto \color{blue}{0.0625 \cdot \left(t \cdot z\right) + x \cdot y} \]

    if 5.0000000000000002e-210 < (*.f64 a b) < 4.9999999999999997e111

    1. Initial program 96.6%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in a around 0 89.9%

      \[\leadsto \color{blue}{c + \left(0.0625 \cdot \left(t \cdot z\right) + x \cdot y\right)} \]
    4. Taylor expanded in x around 0 74.4%

      \[\leadsto \color{blue}{c + 0.0625 \cdot \left(t \cdot z\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification79.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \cdot b \leq -1 \cdot 10^{+42}:\\ \;\;\;\;x \cdot y - \left(a \cdot b\right) \cdot 0.25\\ \mathbf{elif}\;a \cdot b \leq 5 \cdot 10^{-210}:\\ \;\;\;\;x \cdot y + 0.0625 \cdot \left(z \cdot t\right)\\ \mathbf{elif}\;a \cdot b \leq 5 \cdot 10^{+111}:\\ \;\;\;\;c + 0.0625 \cdot \left(z \cdot t\right)\\ \mathbf{else}:\\ \;\;\;\;x \cdot y - \left(a \cdot b\right) \cdot 0.25\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 61.9% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;a \leq -1.6 \cdot 10^{+154} \lor \neg \left(a \leq -1.65 \cdot 10^{+136} \lor \neg \left(a \leq -4 \cdot 10^{+83}\right) \land a \leq 0.00043\right):\\ \;\;\;\;c + a \cdot \left(b \cdot -0.25\right)\\ \mathbf{else}:\\ \;\;\;\;x \cdot y + 0.0625 \cdot \left(z \cdot t\right)\\ \end{array} \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (if (or (<= a -1.6e+154)
         (not (or (<= a -1.65e+136) (and (not (<= a -4e+83)) (<= a 0.00043)))))
   (+ c (* a (* b -0.25)))
   (+ (* x y) (* 0.0625 (* z t)))))
double code(double x, double y, double z, double t, double a, double b, double c) {
	double tmp;
	if ((a <= -1.6e+154) || !((a <= -1.65e+136) || (!(a <= -4e+83) && (a <= 0.00043)))) {
		tmp = c + (a * (b * -0.25));
	} else {
		tmp = (x * y) + (0.0625 * (z * t));
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    real(8) :: tmp
    if ((a <= (-1.6d+154)) .or. (.not. (a <= (-1.65d+136)) .or. (.not. (a <= (-4d+83))) .and. (a <= 0.00043d0))) then
        tmp = c + (a * (b * (-0.25d0)))
    else
        tmp = (x * y) + (0.0625d0 * (z * t))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
	double tmp;
	if ((a <= -1.6e+154) || !((a <= -1.65e+136) || (!(a <= -4e+83) && (a <= 0.00043)))) {
		tmp = c + (a * (b * -0.25));
	} else {
		tmp = (x * y) + (0.0625 * (z * t));
	}
	return tmp;
}
def code(x, y, z, t, a, b, c):
	tmp = 0
	if (a <= -1.6e+154) or not ((a <= -1.65e+136) or (not (a <= -4e+83) and (a <= 0.00043))):
		tmp = c + (a * (b * -0.25))
	else:
		tmp = (x * y) + (0.0625 * (z * t))
	return tmp
function code(x, y, z, t, a, b, c)
	tmp = 0.0
	if ((a <= -1.6e+154) || !((a <= -1.65e+136) || (!(a <= -4e+83) && (a <= 0.00043))))
		tmp = Float64(c + Float64(a * Float64(b * -0.25)));
	else
		tmp = Float64(Float64(x * y) + Float64(0.0625 * Float64(z * t)));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c)
	tmp = 0.0;
	if ((a <= -1.6e+154) || ~(((a <= -1.65e+136) || (~((a <= -4e+83)) && (a <= 0.00043)))))
		tmp = c + (a * (b * -0.25));
	else
		tmp = (x * y) + (0.0625 * (z * t));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_] := If[Or[LessEqual[a, -1.6e+154], N[Not[Or[LessEqual[a, -1.65e+136], And[N[Not[LessEqual[a, -4e+83]], $MachinePrecision], LessEqual[a, 0.00043]]]], $MachinePrecision]], N[(c + N[(a * N[(b * -0.25), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(x * y), $MachinePrecision] + N[(0.0625 * N[(z * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;a \leq -1.6 \cdot 10^{+154} \lor \neg \left(a \leq -1.65 \cdot 10^{+136} \lor \neg \left(a \leq -4 \cdot 10^{+83}\right) \land a \leq 0.00043\right):\\
\;\;\;\;c + a \cdot \left(b \cdot -0.25\right)\\

\mathbf{else}:\\
\;\;\;\;x \cdot y + 0.0625 \cdot \left(z \cdot t\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if a < -1.6e154 or -1.64999999999999996e136 < a < -4.00000000000000012e83 or 4.29999999999999989e-4 < a

    1. Initial program 94.7%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in a around inf 66.3%

      \[\leadsto \color{blue}{-0.25 \cdot \left(a \cdot b\right)} + c \]
    4. Step-by-step derivation
      1. *-commutative66.3%

        \[\leadsto \color{blue}{\left(a \cdot b\right) \cdot -0.25} + c \]
      2. associate-*r*66.3%

        \[\leadsto \color{blue}{a \cdot \left(b \cdot -0.25\right)} + c \]
    5. Simplified66.3%

      \[\leadsto \color{blue}{a \cdot \left(b \cdot -0.25\right)} + c \]

    if -1.6e154 < a < -1.64999999999999996e136 or -4.00000000000000012e83 < a < 4.29999999999999989e-4

    1. Initial program 99.4%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in a around 0 85.3%

      \[\leadsto \color{blue}{c + \left(0.0625 \cdot \left(t \cdot z\right) + x \cdot y\right)} \]
    4. Taylor expanded in c around 0 63.7%

      \[\leadsto \color{blue}{0.0625 \cdot \left(t \cdot z\right) + x \cdot y} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification64.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \leq -1.6 \cdot 10^{+154} \lor \neg \left(a \leq -1.65 \cdot 10^{+136} \lor \neg \left(a \leq -4 \cdot 10^{+83}\right) \land a \leq 0.00043\right):\\ \;\;\;\;c + a \cdot \left(b \cdot -0.25\right)\\ \mathbf{else}:\\ \;\;\;\;x \cdot y + 0.0625 \cdot \left(z \cdot t\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 85.5% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;a \cdot b \leq -1 \cdot 10^{+42} \lor \neg \left(a \cdot b \leq 5 \cdot 10^{+111}\right):\\ \;\;\;\;x \cdot y - \left(a \cdot b\right) \cdot 0.25\\ \mathbf{else}:\\ \;\;\;\;c + \left(x \cdot y + 0.0625 \cdot \left(z \cdot t\right)\right)\\ \end{array} \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (if (or (<= (* a b) -1e+42) (not (<= (* a b) 5e+111)))
   (- (* x y) (* (* a b) 0.25))
   (+ c (+ (* x y) (* 0.0625 (* z t))))))
double code(double x, double y, double z, double t, double a, double b, double c) {
	double tmp;
	if (((a * b) <= -1e+42) || !((a * b) <= 5e+111)) {
		tmp = (x * y) - ((a * b) * 0.25);
	} else {
		tmp = c + ((x * y) + (0.0625 * (z * t)));
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    real(8) :: tmp
    if (((a * b) <= (-1d+42)) .or. (.not. ((a * b) <= 5d+111))) then
        tmp = (x * y) - ((a * b) * 0.25d0)
    else
        tmp = c + ((x * y) + (0.0625d0 * (z * t)))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
	double tmp;
	if (((a * b) <= -1e+42) || !((a * b) <= 5e+111)) {
		tmp = (x * y) - ((a * b) * 0.25);
	} else {
		tmp = c + ((x * y) + (0.0625 * (z * t)));
	}
	return tmp;
}
def code(x, y, z, t, a, b, c):
	tmp = 0
	if ((a * b) <= -1e+42) or not ((a * b) <= 5e+111):
		tmp = (x * y) - ((a * b) * 0.25)
	else:
		tmp = c + ((x * y) + (0.0625 * (z * t)))
	return tmp
function code(x, y, z, t, a, b, c)
	tmp = 0.0
	if ((Float64(a * b) <= -1e+42) || !(Float64(a * b) <= 5e+111))
		tmp = Float64(Float64(x * y) - Float64(Float64(a * b) * 0.25));
	else
		tmp = Float64(c + Float64(Float64(x * y) + Float64(0.0625 * Float64(z * t))));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c)
	tmp = 0.0;
	if (((a * b) <= -1e+42) || ~(((a * b) <= 5e+111)))
		tmp = (x * y) - ((a * b) * 0.25);
	else
		tmp = c + ((x * y) + (0.0625 * (z * t)));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_] := If[Or[LessEqual[N[(a * b), $MachinePrecision], -1e+42], N[Not[LessEqual[N[(a * b), $MachinePrecision], 5e+111]], $MachinePrecision]], N[(N[(x * y), $MachinePrecision] - N[(N[(a * b), $MachinePrecision] * 0.25), $MachinePrecision]), $MachinePrecision], N[(c + N[(N[(x * y), $MachinePrecision] + N[(0.0625 * N[(z * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;a \cdot b \leq -1 \cdot 10^{+42} \lor \neg \left(a \cdot b \leq 5 \cdot 10^{+111}\right):\\
\;\;\;\;x \cdot y - \left(a \cdot b\right) \cdot 0.25\\

\mathbf{else}:\\
\;\;\;\;c + \left(x \cdot y + 0.0625 \cdot \left(z \cdot t\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (*.f64 a b) < -1.00000000000000004e42 or 4.9999999999999997e111 < (*.f64 a b)

    1. Initial program 96.1%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in z around 0 91.8%

      \[\leadsto \color{blue}{\left(c + x \cdot y\right) - 0.25 \cdot \left(a \cdot b\right)} \]
    4. Taylor expanded in c around 0 84.3%

      \[\leadsto \color{blue}{x \cdot y - 0.25 \cdot \left(a \cdot b\right)} \]

    if -1.00000000000000004e42 < (*.f64 a b) < 4.9999999999999997e111

    1. Initial program 98.7%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in a around 0 94.3%

      \[\leadsto \color{blue}{c + \left(0.0625 \cdot \left(t \cdot z\right) + x \cdot y\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification90.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \cdot b \leq -1 \cdot 10^{+42} \lor \neg \left(a \cdot b \leq 5 \cdot 10^{+111}\right):\\ \;\;\;\;x \cdot y - \left(a \cdot b\right) \cdot 0.25\\ \mathbf{else}:\\ \;\;\;\;c + \left(x \cdot y + 0.0625 \cdot \left(z \cdot t\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 89.0% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;a \cdot b \leq -1 \cdot 10^{+42} \lor \neg \left(a \cdot b \leq 5 \cdot 10^{+111}\right):\\ \;\;\;\;\left(c + x \cdot y\right) - \left(a \cdot b\right) \cdot 0.25\\ \mathbf{else}:\\ \;\;\;\;c + \left(x \cdot y + 0.0625 \cdot \left(z \cdot t\right)\right)\\ \end{array} \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (if (or (<= (* a b) -1e+42) (not (<= (* a b) 5e+111)))
   (- (+ c (* x y)) (* (* a b) 0.25))
   (+ c (+ (* x y) (* 0.0625 (* z t))))))
double code(double x, double y, double z, double t, double a, double b, double c) {
	double tmp;
	if (((a * b) <= -1e+42) || !((a * b) <= 5e+111)) {
		tmp = (c + (x * y)) - ((a * b) * 0.25);
	} else {
		tmp = c + ((x * y) + (0.0625 * (z * t)));
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    real(8) :: tmp
    if (((a * b) <= (-1d+42)) .or. (.not. ((a * b) <= 5d+111))) then
        tmp = (c + (x * y)) - ((a * b) * 0.25d0)
    else
        tmp = c + ((x * y) + (0.0625d0 * (z * t)))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
	double tmp;
	if (((a * b) <= -1e+42) || !((a * b) <= 5e+111)) {
		tmp = (c + (x * y)) - ((a * b) * 0.25);
	} else {
		tmp = c + ((x * y) + (0.0625 * (z * t)));
	}
	return tmp;
}
def code(x, y, z, t, a, b, c):
	tmp = 0
	if ((a * b) <= -1e+42) or not ((a * b) <= 5e+111):
		tmp = (c + (x * y)) - ((a * b) * 0.25)
	else:
		tmp = c + ((x * y) + (0.0625 * (z * t)))
	return tmp
function code(x, y, z, t, a, b, c)
	tmp = 0.0
	if ((Float64(a * b) <= -1e+42) || !(Float64(a * b) <= 5e+111))
		tmp = Float64(Float64(c + Float64(x * y)) - Float64(Float64(a * b) * 0.25));
	else
		tmp = Float64(c + Float64(Float64(x * y) + Float64(0.0625 * Float64(z * t))));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c)
	tmp = 0.0;
	if (((a * b) <= -1e+42) || ~(((a * b) <= 5e+111)))
		tmp = (c + (x * y)) - ((a * b) * 0.25);
	else
		tmp = c + ((x * y) + (0.0625 * (z * t)));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_] := If[Or[LessEqual[N[(a * b), $MachinePrecision], -1e+42], N[Not[LessEqual[N[(a * b), $MachinePrecision], 5e+111]], $MachinePrecision]], N[(N[(c + N[(x * y), $MachinePrecision]), $MachinePrecision] - N[(N[(a * b), $MachinePrecision] * 0.25), $MachinePrecision]), $MachinePrecision], N[(c + N[(N[(x * y), $MachinePrecision] + N[(0.0625 * N[(z * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;a \cdot b \leq -1 \cdot 10^{+42} \lor \neg \left(a \cdot b \leq 5 \cdot 10^{+111}\right):\\
\;\;\;\;\left(c + x \cdot y\right) - \left(a \cdot b\right) \cdot 0.25\\

\mathbf{else}:\\
\;\;\;\;c + \left(x \cdot y + 0.0625 \cdot \left(z \cdot t\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (*.f64 a b) < -1.00000000000000004e42 or 4.9999999999999997e111 < (*.f64 a b)

    1. Initial program 96.1%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in z around 0 91.8%

      \[\leadsto \color{blue}{\left(c + x \cdot y\right) - 0.25 \cdot \left(a \cdot b\right)} \]

    if -1.00000000000000004e42 < (*.f64 a b) < 4.9999999999999997e111

    1. Initial program 98.7%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in a around 0 94.3%

      \[\leadsto \color{blue}{c + \left(0.0625 \cdot \left(t \cdot z\right) + x \cdot y\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification93.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \cdot b \leq -1 \cdot 10^{+42} \lor \neg \left(a \cdot b \leq 5 \cdot 10^{+111}\right):\\ \;\;\;\;\left(c + x \cdot y\right) - \left(a \cdot b\right) \cdot 0.25\\ \mathbf{else}:\\ \;\;\;\;c + \left(x \cdot y + 0.0625 \cdot \left(z \cdot t\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 86.3% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \left(a \cdot b\right) \cdot 0.25\\ t_2 := 0.0625 \cdot \left(z \cdot t\right)\\ \mathbf{if}\;a \cdot b \leq -5 \cdot 10^{+194}:\\ \;\;\;\;t_2 - t_1\\ \mathbf{elif}\;a \cdot b \leq 5 \cdot 10^{+111}:\\ \;\;\;\;c + \left(x \cdot y + t_2\right)\\ \mathbf{else}:\\ \;\;\;\;x \cdot y - t_1\\ \end{array} \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (let* ((t_1 (* (* a b) 0.25)) (t_2 (* 0.0625 (* z t))))
   (if (<= (* a b) -5e+194)
     (- t_2 t_1)
     (if (<= (* a b) 5e+111) (+ c (+ (* x y) t_2)) (- (* x y) t_1)))))
double code(double x, double y, double z, double t, double a, double b, double c) {
	double t_1 = (a * b) * 0.25;
	double t_2 = 0.0625 * (z * t);
	double tmp;
	if ((a * b) <= -5e+194) {
		tmp = t_2 - t_1;
	} else if ((a * b) <= 5e+111) {
		tmp = c + ((x * y) + t_2);
	} else {
		tmp = (x * y) - t_1;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: tmp
    t_1 = (a * b) * 0.25d0
    t_2 = 0.0625d0 * (z * t)
    if ((a * b) <= (-5d+194)) then
        tmp = t_2 - t_1
    else if ((a * b) <= 5d+111) then
        tmp = c + ((x * y) + t_2)
    else
        tmp = (x * y) - t_1
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
	double t_1 = (a * b) * 0.25;
	double t_2 = 0.0625 * (z * t);
	double tmp;
	if ((a * b) <= -5e+194) {
		tmp = t_2 - t_1;
	} else if ((a * b) <= 5e+111) {
		tmp = c + ((x * y) + t_2);
	} else {
		tmp = (x * y) - t_1;
	}
	return tmp;
}
def code(x, y, z, t, a, b, c):
	t_1 = (a * b) * 0.25
	t_2 = 0.0625 * (z * t)
	tmp = 0
	if (a * b) <= -5e+194:
		tmp = t_2 - t_1
	elif (a * b) <= 5e+111:
		tmp = c + ((x * y) + t_2)
	else:
		tmp = (x * y) - t_1
	return tmp
function code(x, y, z, t, a, b, c)
	t_1 = Float64(Float64(a * b) * 0.25)
	t_2 = Float64(0.0625 * Float64(z * t))
	tmp = 0.0
	if (Float64(a * b) <= -5e+194)
		tmp = Float64(t_2 - t_1);
	elseif (Float64(a * b) <= 5e+111)
		tmp = Float64(c + Float64(Float64(x * y) + t_2));
	else
		tmp = Float64(Float64(x * y) - t_1);
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c)
	t_1 = (a * b) * 0.25;
	t_2 = 0.0625 * (z * t);
	tmp = 0.0;
	if ((a * b) <= -5e+194)
		tmp = t_2 - t_1;
	elseif ((a * b) <= 5e+111)
		tmp = c + ((x * y) + t_2);
	else
		tmp = (x * y) - t_1;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_] := Block[{t$95$1 = N[(N[(a * b), $MachinePrecision] * 0.25), $MachinePrecision]}, Block[{t$95$2 = N[(0.0625 * N[(z * t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(a * b), $MachinePrecision], -5e+194], N[(t$95$2 - t$95$1), $MachinePrecision], If[LessEqual[N[(a * b), $MachinePrecision], 5e+111], N[(c + N[(N[(x * y), $MachinePrecision] + t$95$2), $MachinePrecision]), $MachinePrecision], N[(N[(x * y), $MachinePrecision] - t$95$1), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \left(a \cdot b\right) \cdot 0.25\\
t_2 := 0.0625 \cdot \left(z \cdot t\right)\\
\mathbf{if}\;a \cdot b \leq -5 \cdot 10^{+194}:\\
\;\;\;\;t_2 - t_1\\

\mathbf{elif}\;a \cdot b \leq 5 \cdot 10^{+111}:\\
\;\;\;\;c + \left(x \cdot y + t_2\right)\\

\mathbf{else}:\\
\;\;\;\;x \cdot y - t_1\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (*.f64 a b) < -4.99999999999999989e194

    1. Initial program 99.9%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in x around 0 99.9%

      \[\leadsto \color{blue}{\left(c + 0.0625 \cdot \left(t \cdot z\right)\right) - 0.25 \cdot \left(a \cdot b\right)} \]
    4. Taylor expanded in c around 0 96.5%

      \[\leadsto \color{blue}{0.0625 \cdot \left(t \cdot z\right) - 0.25 \cdot \left(a \cdot b\right)} \]

    if -4.99999999999999989e194 < (*.f64 a b) < 4.9999999999999997e111

    1. Initial program 98.3%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in a around 0 90.5%

      \[\leadsto \color{blue}{c + \left(0.0625 \cdot \left(t \cdot z\right) + x \cdot y\right)} \]

    if 4.9999999999999997e111 < (*.f64 a b)

    1. Initial program 94.0%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in z around 0 93.9%

      \[\leadsto \color{blue}{\left(c + x \cdot y\right) - 0.25 \cdot \left(a \cdot b\right)} \]
    4. Taylor expanded in c around 0 88.1%

      \[\leadsto \color{blue}{x \cdot y - 0.25 \cdot \left(a \cdot b\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification90.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \cdot b \leq -5 \cdot 10^{+194}:\\ \;\;\;\;0.0625 \cdot \left(z \cdot t\right) - \left(a \cdot b\right) \cdot 0.25\\ \mathbf{elif}\;a \cdot b \leq 5 \cdot 10^{+111}:\\ \;\;\;\;c + \left(x \cdot y + 0.0625 \cdot \left(z \cdot t\right)\right)\\ \mathbf{else}:\\ \;\;\;\;x \cdot y - \left(a \cdot b\right) \cdot 0.25\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 41.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \cdot y \leq -7.5 \cdot 10^{+167} \lor \neg \left(x \cdot y \leq 1.2 \cdot 10^{+113}\right):\\ \;\;\;\;x \cdot y\\ \mathbf{else}:\\ \;\;\;\;c\\ \end{array} \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (if (or (<= (* x y) -7.5e+167) (not (<= (* x y) 1.2e+113))) (* x y) c))
double code(double x, double y, double z, double t, double a, double b, double c) {
	double tmp;
	if (((x * y) <= -7.5e+167) || !((x * y) <= 1.2e+113)) {
		tmp = x * y;
	} else {
		tmp = c;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    real(8) :: tmp
    if (((x * y) <= (-7.5d+167)) .or. (.not. ((x * y) <= 1.2d+113))) then
        tmp = x * y
    else
        tmp = c
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
	double tmp;
	if (((x * y) <= -7.5e+167) || !((x * y) <= 1.2e+113)) {
		tmp = x * y;
	} else {
		tmp = c;
	}
	return tmp;
}
def code(x, y, z, t, a, b, c):
	tmp = 0
	if ((x * y) <= -7.5e+167) or not ((x * y) <= 1.2e+113):
		tmp = x * y
	else:
		tmp = c
	return tmp
function code(x, y, z, t, a, b, c)
	tmp = 0.0
	if ((Float64(x * y) <= -7.5e+167) || !(Float64(x * y) <= 1.2e+113))
		tmp = Float64(x * y);
	else
		tmp = c;
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c)
	tmp = 0.0;
	if (((x * y) <= -7.5e+167) || ~(((x * y) <= 1.2e+113)))
		tmp = x * y;
	else
		tmp = c;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_] := If[Or[LessEqual[N[(x * y), $MachinePrecision], -7.5e+167], N[Not[LessEqual[N[(x * y), $MachinePrecision], 1.2e+113]], $MachinePrecision]], N[(x * y), $MachinePrecision], c]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;x \cdot y \leq -7.5 \cdot 10^{+167} \lor \neg \left(x \cdot y \leq 1.2 \cdot 10^{+113}\right):\\
\;\;\;\;x \cdot y\\

\mathbf{else}:\\
\;\;\;\;c\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (*.f64 x y) < -7.4999999999999995e167 or 1.19999999999999992e113 < (*.f64 x y)

    1. Initial program 92.7%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Step-by-step derivation
      1. associate-+l-92.7%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) - \left(\frac{a \cdot b}{4} - c\right)} \]
      2. associate--l+92.7%

        \[\leadsto \color{blue}{x \cdot y + \left(\frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      3. fma-def95.1%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z \cdot t}{16} - \left(\frac{a \cdot b}{4} - c\right)\right)} \]
      4. associate-*l/95.1%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\frac{z}{16} \cdot t} - \left(\frac{a \cdot b}{4} - c\right)\right) \]
      5. fma-neg97.6%

        \[\leadsto \mathsf{fma}\left(x, y, \color{blue}{\mathsf{fma}\left(\frac{z}{16}, t, -\left(\frac{a \cdot b}{4} - c\right)\right)}\right) \]
      6. sub-neg97.6%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, -\color{blue}{\left(\frac{a \cdot b}{4} + \left(-c\right)\right)}\right)\right) \]
      7. distribute-neg-in97.6%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\left(-\frac{a \cdot b}{4}\right) + \left(-\left(-c\right)\right)}\right)\right) \]
      8. remove-double-neg97.6%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\frac{a \cdot b}{4}\right) + \color{blue}{c}\right)\right) \]
      9. associate-/l*97.6%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \left(-\color{blue}{\frac{a}{\frac{4}{b}}}\right) + c\right)\right) \]
      10. distribute-frac-neg97.6%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{\frac{4}{b}}} + c\right)\right) \]
      11. associate-/r/97.6%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\frac{-a}{4} \cdot b} + c\right)\right) \]
      12. fma-def97.6%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \color{blue}{\mathsf{fma}\left(\frac{-a}{4}, b, c\right)}\right)\right) \]
      13. neg-mul-197.6%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{-1 \cdot a}}{4}, b, c\right)\right)\right) \]
      14. *-commutative97.6%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{\color{blue}{a \cdot -1}}{4}, b, c\right)\right)\right) \]
      15. associate-/l*97.6%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\color{blue}{\frac{a}{\frac{4}{-1}}}, b, c\right)\right)\right) \]
      16. metadata-eval97.6%

        \[\leadsto \mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{\color{blue}{-4}}, b, c\right)\right)\right) \]
    3. Simplified97.6%

      \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef95.1%

        \[\leadsto \color{blue}{x \cdot y + \mathsf{fma}\left(\frac{z}{16}, t, \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      2. fma-udef92.7%

        \[\leadsto x \cdot y + \color{blue}{\left(\frac{z}{16} \cdot t + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right)} \]
      3. associate-*l/92.7%

        \[\leadsto x \cdot y + \left(\color{blue}{\frac{z \cdot t}{16}} + \mathsf{fma}\left(\frac{a}{-4}, b, c\right)\right) \]
      4. fma-udef92.7%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \color{blue}{\left(\frac{a}{-4} \cdot b + c\right)}\right) \]
      5. associate-/r/92.7%

        \[\leadsto x \cdot y + \left(\frac{z \cdot t}{16} + \left(\color{blue}{\frac{a}{\frac{-4}{b}}} + c\right)\right) \]
      6. associate-+r+92.7%

        \[\leadsto \color{blue}{\left(x \cdot y + \frac{z \cdot t}{16}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right)} \]
      7. associate-*l/92.7%

        \[\leadsto \left(x \cdot y + \color{blue}{\frac{z}{16} \cdot t}\right) + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      8. fma-udef95.1%

        \[\leadsto \color{blue}{\mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} + \left(\frac{a}{\frac{-4}{b}} + c\right) \]
      9. +-commutative95.1%

        \[\leadsto \color{blue}{\left(\frac{a}{\frac{-4}{b}} + c\right) + \mathsf{fma}\left(x, y, \frac{z}{16} \cdot t\right)} \]
      10. fma-udef92.7%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \color{blue}{\left(x \cdot y + \frac{z}{16} \cdot t\right)} \]
      11. associate-*l/92.7%

        \[\leadsto \left(\frac{a}{\frac{-4}{b}} + c\right) + \left(x \cdot y + \color{blue}{\frac{z \cdot t}{16}}\right) \]
      12. associate-+r+92.7%

        \[\leadsto \color{blue}{\left(\left(\frac{a}{\frac{-4}{b}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16}} \]
      13. div-inv92.7%

        \[\leadsto \left(\left(\color{blue}{a \cdot \frac{1}{\frac{-4}{b}}} + c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      14. fma-def92.7%

        \[\leadsto \left(\color{blue}{\mathsf{fma}\left(a, \frac{1}{\frac{-4}{b}}, c\right)} + x \cdot y\right) + \frac{z \cdot t}{16} \]
      15. clear-num92.7%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{\frac{b}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      16. div-inv92.7%

        \[\leadsto \left(\mathsf{fma}\left(a, \color{blue}{b \cdot \frac{1}{-4}}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      17. metadata-eval92.7%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot \color{blue}{-0.25}, c\right) + x \cdot y\right) + \frac{z \cdot t}{16} \]
      18. associate-*l/92.7%

        \[\leadsto \left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + \color{blue}{\frac{z}{16} \cdot t} \]
    6. Applied egg-rr92.7%

      \[\leadsto \color{blue}{\left(\mathsf{fma}\left(a, b \cdot -0.25, c\right) + x \cdot y\right) + t \cdot \left(z \cdot 0.0625\right)} \]
    7. Taylor expanded in x around inf 75.2%

      \[\leadsto \color{blue}{x \cdot y} \]

    if -7.4999999999999995e167 < (*.f64 x y) < 1.19999999999999992e113

    1. Initial program 100.0%

      \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
    2. Add Preprocessing
    3. Taylor expanded in c around inf 26.4%

      \[\leadsto \color{blue}{c} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification42.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \cdot y \leq -7.5 \cdot 10^{+167} \lor \neg \left(x \cdot y \leq 1.2 \cdot 10^{+113}\right):\\ \;\;\;\;x \cdot y\\ \mathbf{else}:\\ \;\;\;\;c\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 97.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ c + \left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) \end{array} \]
(FPCore (x y z t a b c)
 :precision binary64
 (+ c (- (+ (* x y) (/ (* z t) 16.0)) (/ (* a b) 4.0))))
double code(double x, double y, double z, double t, double a, double b, double c) {
	return c + (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0));
}
real(8) function code(x, y, z, t, a, b, c)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    code = c + (((x * y) + ((z * t) / 16.0d0)) - ((a * b) / 4.0d0))
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
	return c + (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0));
}
def code(x, y, z, t, a, b, c):
	return c + (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0))
function code(x, y, z, t, a, b, c)
	return Float64(c + Float64(Float64(Float64(x * y) + Float64(Float64(z * t) / 16.0)) - Float64(Float64(a * b) / 4.0)))
end
function tmp = code(x, y, z, t, a, b, c)
	tmp = c + (((x * y) + ((z * t) / 16.0)) - ((a * b) / 4.0));
end
code[x_, y_, z_, t_, a_, b_, c_] := N[(c + N[(N[(N[(x * y), $MachinePrecision] + N[(N[(z * t), $MachinePrecision] / 16.0), $MachinePrecision]), $MachinePrecision] - N[(N[(a * b), $MachinePrecision] / 4.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
c + \left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right)
\end{array}
Derivation
  1. Initial program 97.6%

    \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
  2. Add Preprocessing
  3. Final simplification97.6%

    \[\leadsto c + \left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) \]
  4. Add Preprocessing

Alternative 15: 22.6% accurate, 17.0× speedup?

\[\begin{array}{l} \\ c \end{array} \]
(FPCore (x y z t a b c) :precision binary64 c)
double code(double x, double y, double z, double t, double a, double b, double c) {
	return c;
}
real(8) function code(x, y, z, t, a, b, c)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    code = c
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
	return c;
}
def code(x, y, z, t, a, b, c):
	return c
function code(x, y, z, t, a, b, c)
	return c
end
function tmp = code(x, y, z, t, a, b, c)
	tmp = c;
end
code[x_, y_, z_, t_, a_, b_, c_] := c
\begin{array}{l}

\\
c
\end{array}
Derivation
  1. Initial program 97.6%

    \[\left(\left(x \cdot y + \frac{z \cdot t}{16}\right) - \frac{a \cdot b}{4}\right) + c \]
  2. Add Preprocessing
  3. Taylor expanded in c around inf 19.4%

    \[\leadsto \color{blue}{c} \]
  4. Final simplification19.4%

    \[\leadsto c \]
  5. Add Preprocessing

Reproduce

?
herbie shell --seed 2024017 
(FPCore (x y z t a b c)
  :name "Diagrams.Solve.Polynomial:quartForm  from diagrams-solve-0.1, C"
  :precision binary64
  (+ (- (+ (* x y) (/ (* z t) 16.0)) (/ (* a b) 4.0)) c))