Diagrams.ThreeD.Shapes:frustum from diagrams-lib-1.3.0.3, A

Percentage Accurate: 90.0% → 96.3%
Time: 15.8s
Alternatives: 15
Speedup: 0.5×

Specification

?
\[\begin{array}{l} \\ 2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (* 2.0 (- (+ (* x y) (* z t)) (* (* (+ a (* b c)) c) i))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	return 2.0 * (((x * y) + (z * t)) - (((a + (b * c)) * c) * i));
}
real(8) function code(x, y, z, t, a, b, c, i)
    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), intent (in) :: i
    code = 2.0d0 * (((x * y) + (z * t)) - (((a + (b * c)) * c) * i))
end function
public static double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	return 2.0 * (((x * y) + (z * t)) - (((a + (b * c)) * c) * i));
}
def code(x, y, z, t, a, b, c, i):
	return 2.0 * (((x * y) + (z * t)) - (((a + (b * c)) * c) * i))
function code(x, y, z, t, a, b, c, i)
	return Float64(2.0 * Float64(Float64(Float64(x * y) + Float64(z * t)) - Float64(Float64(Float64(a + Float64(b * c)) * c) * i)))
end
function tmp = code(x, y, z, t, a, b, c, i)
	tmp = 2.0 * (((x * y) + (z * t)) - (((a + (b * c)) * c) * i));
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := N[(2.0 * N[(N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision] - N[(N[(N[(a + N[(b * c), $MachinePrecision]), $MachinePrecision] * c), $MachinePrecision] * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right)
\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: 90.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ 2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (* 2.0 (- (+ (* x y) (* z t)) (* (* (+ a (* b c)) c) i))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	return 2.0 * (((x * y) + (z * t)) - (((a + (b * c)) * c) * i));
}
real(8) function code(x, y, z, t, a, b, c, i)
    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), intent (in) :: i
    code = 2.0d0 * (((x * y) + (z * t)) - (((a + (b * c)) * c) * i))
end function
public static double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	return 2.0 * (((x * y) + (z * t)) - (((a + (b * c)) * c) * i));
}
def code(x, y, z, t, a, b, c, i):
	return 2.0 * (((x * y) + (z * t)) - (((a + (b * c)) * c) * i))
function code(x, y, z, t, a, b, c, i)
	return Float64(2.0 * Float64(Float64(Float64(x * y) + Float64(z * t)) - Float64(Float64(Float64(a + Float64(b * c)) * c) * i)))
end
function tmp = code(x, y, z, t, a, b, c, i)
	tmp = 2.0 * (((x * y) + (z * t)) - (((a + (b * c)) * c) * i));
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := N[(2.0 * N[(N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision] - N[(N[(N[(a + N[(b * c), $MachinePrecision]), $MachinePrecision] * c), $MachinePrecision] * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right)
\end{array}

Alternative 1: 96.3% accurate, 0.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := a + b \cdot c\\ \mathbf{if}\;\left(x \cdot y + z \cdot t\right) - \left(c \cdot t\_1\right) \cdot i \leq \infty:\\ \;\;\;\;2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - t\_1 \cdot \left(c \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(b \cdot \left(i \cdot \left(-{c}^{2}\right)\right)\right)\\ \end{array} \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (let* ((t_1 (+ a (* b c))))
   (if (<= (- (+ (* x y) (* z t)) (* (* c t_1) i)) INFINITY)
     (* 2.0 (- (fma x y (* z t)) (* t_1 (* c i))))
     (* 2.0 (* b (* i (- (pow c 2.0))))))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double t_1 = a + (b * c);
	double tmp;
	if ((((x * y) + (z * t)) - ((c * t_1) * i)) <= ((double) INFINITY)) {
		tmp = 2.0 * (fma(x, y, (z * t)) - (t_1 * (c * i)));
	} else {
		tmp = 2.0 * (b * (i * -pow(c, 2.0)));
	}
	return tmp;
}
function code(x, y, z, t, a, b, c, i)
	t_1 = Float64(a + Float64(b * c))
	tmp = 0.0
	if (Float64(Float64(Float64(x * y) + Float64(z * t)) - Float64(Float64(c * t_1) * i)) <= Inf)
		tmp = Float64(2.0 * Float64(fma(x, y, Float64(z * t)) - Float64(t_1 * Float64(c * i))));
	else
		tmp = Float64(2.0 * Float64(b * Float64(i * Float64(-(c ^ 2.0)))));
	end
	return tmp
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := Block[{t$95$1 = N[(a + N[(b * c), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision] - N[(N[(c * t$95$1), $MachinePrecision] * i), $MachinePrecision]), $MachinePrecision], Infinity], N[(2.0 * N[(N[(x * y + N[(z * t), $MachinePrecision]), $MachinePrecision] - N[(t$95$1 * N[(c * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(b * N[(i * (-N[Power[c, 2.0], $MachinePrecision])), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := a + b \cdot c\\
\mathbf{if}\;\left(x \cdot y + z \cdot t\right) - \left(c \cdot t\_1\right) \cdot i \leq \infty:\\
\;\;\;\;2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - t\_1 \cdot \left(c \cdot i\right)\right)\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \left(b \cdot \left(i \cdot \left(-{c}^{2}\right)\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (-.f64 (+.f64 (*.f64 x y) (*.f64 z t)) (*.f64 (*.f64 (+.f64 a (*.f64 b c)) c) i)) < +inf.0

    1. Initial program 93.7%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Step-by-step derivation
      1. fma-define93.7%

        \[\leadsto 2 \cdot \left(\color{blue}{\mathsf{fma}\left(x, y, z \cdot t\right)} - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
      2. associate-*l*98.7%

        \[\leadsto 2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - \color{blue}{\left(a + b \cdot c\right) \cdot \left(c \cdot i\right)}\right) \]
    3. Simplified98.7%

      \[\leadsto \color{blue}{2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right)} \]
    4. Add Preprocessing

    if +inf.0 < (-.f64 (+.f64 (*.f64 x y) (*.f64 z t)) (*.f64 (*.f64 (+.f64 a (*.f64 b c)) c) i))

    1. Initial program 0.0%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in b around inf 54.2%

      \[\leadsto 2 \cdot \color{blue}{\left(-1 \cdot \left(b \cdot \left({c}^{2} \cdot i\right)\right)\right)} \]
    4. Step-by-step derivation
      1. associate-*r*54.2%

        \[\leadsto 2 \cdot \color{blue}{\left(\left(-1 \cdot b\right) \cdot \left({c}^{2} \cdot i\right)\right)} \]
      2. mul-1-neg54.2%

        \[\leadsto 2 \cdot \left(\color{blue}{\left(-b\right)} \cdot \left({c}^{2} \cdot i\right)\right) \]
    5. Simplified54.2%

      \[\leadsto 2 \cdot \color{blue}{\left(\left(-b\right) \cdot \left({c}^{2} \cdot i\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification96.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\left(x \cdot y + z \cdot t\right) - \left(c \cdot \left(a + b \cdot c\right)\right) \cdot i \leq \infty:\\ \;\;\;\;2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(b \cdot \left(i \cdot \left(-{c}^{2}\right)\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 96.3% accurate, 0.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := a + b \cdot c\\ t_2 := x \cdot y + z \cdot t\\ \mathbf{if}\;t\_2 - \left(c \cdot t\_1\right) \cdot i \leq \infty:\\ \;\;\;\;2 \cdot \left(t\_2 - t\_1 \cdot \left(c \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(b \cdot \left(i \cdot \left(-{c}^{2}\right)\right)\right)\\ \end{array} \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (let* ((t_1 (+ a (* b c))) (t_2 (+ (* x y) (* z t))))
   (if (<= (- t_2 (* (* c t_1) i)) INFINITY)
     (* 2.0 (- t_2 (* t_1 (* c i))))
     (* 2.0 (* b (* i (- (pow c 2.0))))))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double t_1 = a + (b * c);
	double t_2 = (x * y) + (z * t);
	double tmp;
	if ((t_2 - ((c * t_1) * i)) <= ((double) INFINITY)) {
		tmp = 2.0 * (t_2 - (t_1 * (c * i)));
	} else {
		tmp = 2.0 * (b * (i * -pow(c, 2.0)));
	}
	return tmp;
}
public static double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double t_1 = a + (b * c);
	double t_2 = (x * y) + (z * t);
	double tmp;
	if ((t_2 - ((c * t_1) * i)) <= Double.POSITIVE_INFINITY) {
		tmp = 2.0 * (t_2 - (t_1 * (c * i)));
	} else {
		tmp = 2.0 * (b * (i * -Math.pow(c, 2.0)));
	}
	return tmp;
}
def code(x, y, z, t, a, b, c, i):
	t_1 = a + (b * c)
	t_2 = (x * y) + (z * t)
	tmp = 0
	if (t_2 - ((c * t_1) * i)) <= math.inf:
		tmp = 2.0 * (t_2 - (t_1 * (c * i)))
	else:
		tmp = 2.0 * (b * (i * -math.pow(c, 2.0)))
	return tmp
function code(x, y, z, t, a, b, c, i)
	t_1 = Float64(a + Float64(b * c))
	t_2 = Float64(Float64(x * y) + Float64(z * t))
	tmp = 0.0
	if (Float64(t_2 - Float64(Float64(c * t_1) * i)) <= Inf)
		tmp = Float64(2.0 * Float64(t_2 - Float64(t_1 * Float64(c * i))));
	else
		tmp = Float64(2.0 * Float64(b * Float64(i * Float64(-(c ^ 2.0)))));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c, i)
	t_1 = a + (b * c);
	t_2 = (x * y) + (z * t);
	tmp = 0.0;
	if ((t_2 - ((c * t_1) * i)) <= Inf)
		tmp = 2.0 * (t_2 - (t_1 * (c * i)));
	else
		tmp = 2.0 * (b * (i * -(c ^ 2.0)));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := Block[{t$95$1 = N[(a + N[(b * c), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(t$95$2 - N[(N[(c * t$95$1), $MachinePrecision] * i), $MachinePrecision]), $MachinePrecision], Infinity], N[(2.0 * N[(t$95$2 - N[(t$95$1 * N[(c * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(b * N[(i * (-N[Power[c, 2.0], $MachinePrecision])), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := a + b \cdot c\\
t_2 := x \cdot y + z \cdot t\\
\mathbf{if}\;t\_2 - \left(c \cdot t\_1\right) \cdot i \leq \infty:\\
\;\;\;\;2 \cdot \left(t\_2 - t\_1 \cdot \left(c \cdot i\right)\right)\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \left(b \cdot \left(i \cdot \left(-{c}^{2}\right)\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (-.f64 (+.f64 (*.f64 x y) (*.f64 z t)) (*.f64 (*.f64 (+.f64 a (*.f64 b c)) c) i)) < +inf.0

    1. Initial program 93.7%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Step-by-step derivation
      1. fma-define93.7%

        \[\leadsto 2 \cdot \left(\color{blue}{\mathsf{fma}\left(x, y, z \cdot t\right)} - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
      2. associate-*l*98.7%

        \[\leadsto 2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - \color{blue}{\left(a + b \cdot c\right) \cdot \left(c \cdot i\right)}\right) \]
    3. Simplified98.7%

      \[\leadsto \color{blue}{2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-define98.7%

        \[\leadsto 2 \cdot \left(\color{blue}{\left(x \cdot y + z \cdot t\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]
      2. +-commutative98.7%

        \[\leadsto 2 \cdot \left(\color{blue}{\left(z \cdot t + x \cdot y\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]
    6. Applied egg-rr98.7%

      \[\leadsto 2 \cdot \left(\color{blue}{\left(z \cdot t + x \cdot y\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]

    if +inf.0 < (-.f64 (+.f64 (*.f64 x y) (*.f64 z t)) (*.f64 (*.f64 (+.f64 a (*.f64 b c)) c) i))

    1. Initial program 0.0%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in b around inf 54.2%

      \[\leadsto 2 \cdot \color{blue}{\left(-1 \cdot \left(b \cdot \left({c}^{2} \cdot i\right)\right)\right)} \]
    4. Step-by-step derivation
      1. associate-*r*54.2%

        \[\leadsto 2 \cdot \color{blue}{\left(\left(-1 \cdot b\right) \cdot \left({c}^{2} \cdot i\right)\right)} \]
      2. mul-1-neg54.2%

        \[\leadsto 2 \cdot \left(\color{blue}{\left(-b\right)} \cdot \left({c}^{2} \cdot i\right)\right) \]
    5. Simplified54.2%

      \[\leadsto 2 \cdot \color{blue}{\left(\left(-b\right) \cdot \left({c}^{2} \cdot i\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification96.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\left(x \cdot y + z \cdot t\right) - \left(c \cdot \left(a + b \cdot c\right)\right) \cdot i \leq \infty:\\ \;\;\;\;2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(b \cdot \left(i \cdot \left(-{c}^{2}\right)\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 96.2% accurate, 0.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := a + b \cdot c\\ t_2 := x \cdot y + z \cdot t\\ \mathbf{if}\;t\_2 - \left(c \cdot t\_1\right) \cdot i \leq \infty:\\ \;\;\;\;2 \cdot \left(t\_2 - t\_1 \cdot \left(c \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\left(b \cdot {c}^{2}\right) \cdot \left(i \cdot -2\right)\\ \end{array} \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (let* ((t_1 (+ a (* b c))) (t_2 (+ (* x y) (* z t))))
   (if (<= (- t_2 (* (* c t_1) i)) INFINITY)
     (* 2.0 (- t_2 (* t_1 (* c i))))
     (* (* b (pow c 2.0)) (* i -2.0)))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double t_1 = a + (b * c);
	double t_2 = (x * y) + (z * t);
	double tmp;
	if ((t_2 - ((c * t_1) * i)) <= ((double) INFINITY)) {
		tmp = 2.0 * (t_2 - (t_1 * (c * i)));
	} else {
		tmp = (b * pow(c, 2.0)) * (i * -2.0);
	}
	return tmp;
}
public static double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double t_1 = a + (b * c);
	double t_2 = (x * y) + (z * t);
	double tmp;
	if ((t_2 - ((c * t_1) * i)) <= Double.POSITIVE_INFINITY) {
		tmp = 2.0 * (t_2 - (t_1 * (c * i)));
	} else {
		tmp = (b * Math.pow(c, 2.0)) * (i * -2.0);
	}
	return tmp;
}
def code(x, y, z, t, a, b, c, i):
	t_1 = a + (b * c)
	t_2 = (x * y) + (z * t)
	tmp = 0
	if (t_2 - ((c * t_1) * i)) <= math.inf:
		tmp = 2.0 * (t_2 - (t_1 * (c * i)))
	else:
		tmp = (b * math.pow(c, 2.0)) * (i * -2.0)
	return tmp
function code(x, y, z, t, a, b, c, i)
	t_1 = Float64(a + Float64(b * c))
	t_2 = Float64(Float64(x * y) + Float64(z * t))
	tmp = 0.0
	if (Float64(t_2 - Float64(Float64(c * t_1) * i)) <= Inf)
		tmp = Float64(2.0 * Float64(t_2 - Float64(t_1 * Float64(c * i))));
	else
		tmp = Float64(Float64(b * (c ^ 2.0)) * Float64(i * -2.0));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c, i)
	t_1 = a + (b * c);
	t_2 = (x * y) + (z * t);
	tmp = 0.0;
	if ((t_2 - ((c * t_1) * i)) <= Inf)
		tmp = 2.0 * (t_2 - (t_1 * (c * i)));
	else
		tmp = (b * (c ^ 2.0)) * (i * -2.0);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := Block[{t$95$1 = N[(a + N[(b * c), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(t$95$2 - N[(N[(c * t$95$1), $MachinePrecision] * i), $MachinePrecision]), $MachinePrecision], Infinity], N[(2.0 * N[(t$95$2 - N[(t$95$1 * N[(c * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(b * N[Power[c, 2.0], $MachinePrecision]), $MachinePrecision] * N[(i * -2.0), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := a + b \cdot c\\
t_2 := x \cdot y + z \cdot t\\
\mathbf{if}\;t\_2 - \left(c \cdot t\_1\right) \cdot i \leq \infty:\\
\;\;\;\;2 \cdot \left(t\_2 - t\_1 \cdot \left(c \cdot i\right)\right)\\

\mathbf{else}:\\
\;\;\;\;\left(b \cdot {c}^{2}\right) \cdot \left(i \cdot -2\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (-.f64 (+.f64 (*.f64 x y) (*.f64 z t)) (*.f64 (*.f64 (+.f64 a (*.f64 b c)) c) i)) < +inf.0

    1. Initial program 93.7%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Step-by-step derivation
      1. fma-define93.7%

        \[\leadsto 2 \cdot \left(\color{blue}{\mathsf{fma}\left(x, y, z \cdot t\right)} - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
      2. associate-*l*98.7%

        \[\leadsto 2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - \color{blue}{\left(a + b \cdot c\right) \cdot \left(c \cdot i\right)}\right) \]
    3. Simplified98.7%

      \[\leadsto \color{blue}{2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-define98.7%

        \[\leadsto 2 \cdot \left(\color{blue}{\left(x \cdot y + z \cdot t\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]
      2. +-commutative98.7%

        \[\leadsto 2 \cdot \left(\color{blue}{\left(z \cdot t + x \cdot y\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]
    6. Applied egg-rr98.7%

      \[\leadsto 2 \cdot \left(\color{blue}{\left(z \cdot t + x \cdot y\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]

    if +inf.0 < (-.f64 (+.f64 (*.f64 x y) (*.f64 z t)) (*.f64 (*.f64 (+.f64 a (*.f64 b c)) c) i))

    1. Initial program 0.0%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Step-by-step derivation
      1. fma-define0.0%

        \[\leadsto 2 \cdot \left(\color{blue}{\mathsf{fma}\left(x, y, z \cdot t\right)} - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
      2. associate-*l*15.4%

        \[\leadsto 2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - \color{blue}{\left(a + b \cdot c\right) \cdot \left(c \cdot i\right)}\right) \]
    3. Simplified15.4%

      \[\leadsto \color{blue}{2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-define15.4%

        \[\leadsto 2 \cdot \left(\color{blue}{\left(x \cdot y + z \cdot t\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]
      2. +-commutative15.4%

        \[\leadsto 2 \cdot \left(\color{blue}{\left(z \cdot t + x \cdot y\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]
    6. Applied egg-rr15.4%

      \[\leadsto 2 \cdot \left(\color{blue}{\left(z \cdot t + x \cdot y\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]
    7. Taylor expanded in b around inf 54.2%

      \[\leadsto 2 \cdot \color{blue}{\left(-1 \cdot \left(b \cdot \left({c}^{2} \cdot i\right)\right)\right)} \]
    8. Step-by-step derivation
      1. mul-1-neg54.2%

        \[\leadsto 2 \cdot \color{blue}{\left(-b \cdot \left({c}^{2} \cdot i\right)\right)} \]
      2. associate-*r*54.1%

        \[\leadsto 2 \cdot \left(-\color{blue}{\left(b \cdot {c}^{2}\right) \cdot i}\right) \]
      3. distribute-rgt-neg-in54.1%

        \[\leadsto 2 \cdot \color{blue}{\left(\left(b \cdot {c}^{2}\right) \cdot \left(-i\right)\right)} \]
    9. Simplified54.1%

      \[\leadsto 2 \cdot \color{blue}{\left(\left(b \cdot {c}^{2}\right) \cdot \left(-i\right)\right)} \]
    10. Taylor expanded in b around 0 54.2%

      \[\leadsto \color{blue}{-2 \cdot \left(b \cdot \left({c}^{2} \cdot i\right)\right)} \]
    11. Step-by-step derivation
      1. *-commutative54.2%

        \[\leadsto \color{blue}{\left(b \cdot \left({c}^{2} \cdot i\right)\right) \cdot -2} \]
      2. associate-*r*54.1%

        \[\leadsto \color{blue}{\left(\left(b \cdot {c}^{2}\right) \cdot i\right)} \cdot -2 \]
      3. associate-*l*54.1%

        \[\leadsto \color{blue}{\left(b \cdot {c}^{2}\right) \cdot \left(i \cdot -2\right)} \]
    12. Simplified54.1%

      \[\leadsto \color{blue}{\left(b \cdot {c}^{2}\right) \cdot \left(i \cdot -2\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification96.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\left(x \cdot y + z \cdot t\right) - \left(c \cdot \left(a + b \cdot c\right)\right) \cdot i \leq \infty:\\ \;\;\;\;2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\left(b \cdot {c}^{2}\right) \cdot \left(i \cdot -2\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 94.4% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := a + b \cdot c\\ t_2 := c \cdot t\_1\\ \mathbf{if}\;t\_2 \leq -\infty:\\ \;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(t\_1 \cdot i\right)\right)\\ \mathbf{elif}\;t\_2 \leq 2 \cdot 10^{+300}:\\ \;\;\;\;\left(\left(x \cdot y + z \cdot t\right) - t\_2 \cdot i\right) \cdot 2\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(c \cdot \left(t\_1 \cdot \left(-i\right)\right)\right)\\ \end{array} \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (let* ((t_1 (+ a (* b c))) (t_2 (* c t_1)))
   (if (<= t_2 (- INFINITY))
     (* 2.0 (- (* z t) (* c (* t_1 i))))
     (if (<= t_2 2e+300)
       (* (- (+ (* x y) (* z t)) (* t_2 i)) 2.0)
       (* 2.0 (* c (* t_1 (- i))))))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double t_1 = a + (b * c);
	double t_2 = c * t_1;
	double tmp;
	if (t_2 <= -((double) INFINITY)) {
		tmp = 2.0 * ((z * t) - (c * (t_1 * i)));
	} else if (t_2 <= 2e+300) {
		tmp = (((x * y) + (z * t)) - (t_2 * i)) * 2.0;
	} else {
		tmp = 2.0 * (c * (t_1 * -i));
	}
	return tmp;
}
public static double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double t_1 = a + (b * c);
	double t_2 = c * t_1;
	double tmp;
	if (t_2 <= -Double.POSITIVE_INFINITY) {
		tmp = 2.0 * ((z * t) - (c * (t_1 * i)));
	} else if (t_2 <= 2e+300) {
		tmp = (((x * y) + (z * t)) - (t_2 * i)) * 2.0;
	} else {
		tmp = 2.0 * (c * (t_1 * -i));
	}
	return tmp;
}
def code(x, y, z, t, a, b, c, i):
	t_1 = a + (b * c)
	t_2 = c * t_1
	tmp = 0
	if t_2 <= -math.inf:
		tmp = 2.0 * ((z * t) - (c * (t_1 * i)))
	elif t_2 <= 2e+300:
		tmp = (((x * y) + (z * t)) - (t_2 * i)) * 2.0
	else:
		tmp = 2.0 * (c * (t_1 * -i))
	return tmp
function code(x, y, z, t, a, b, c, i)
	t_1 = Float64(a + Float64(b * c))
	t_2 = Float64(c * t_1)
	tmp = 0.0
	if (t_2 <= Float64(-Inf))
		tmp = Float64(2.0 * Float64(Float64(z * t) - Float64(c * Float64(t_1 * i))));
	elseif (t_2 <= 2e+300)
		tmp = Float64(Float64(Float64(Float64(x * y) + Float64(z * t)) - Float64(t_2 * i)) * 2.0);
	else
		tmp = Float64(2.0 * Float64(c * Float64(t_1 * Float64(-i))));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c, i)
	t_1 = a + (b * c);
	t_2 = c * t_1;
	tmp = 0.0;
	if (t_2 <= -Inf)
		tmp = 2.0 * ((z * t) - (c * (t_1 * i)));
	elseif (t_2 <= 2e+300)
		tmp = (((x * y) + (z * t)) - (t_2 * i)) * 2.0;
	else
		tmp = 2.0 * (c * (t_1 * -i));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := Block[{t$95$1 = N[(a + N[(b * c), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(c * t$95$1), $MachinePrecision]}, If[LessEqual[t$95$2, (-Infinity)], N[(2.0 * N[(N[(z * t), $MachinePrecision] - N[(c * N[(t$95$1 * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$2, 2e+300], N[(N[(N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision] - N[(t$95$2 * i), $MachinePrecision]), $MachinePrecision] * 2.0), $MachinePrecision], N[(2.0 * N[(c * N[(t$95$1 * (-i)), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := a + b \cdot c\\
t_2 := c \cdot t\_1\\
\mathbf{if}\;t\_2 \leq -\infty:\\
\;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(t\_1 \cdot i\right)\right)\\

\mathbf{elif}\;t\_2 \leq 2 \cdot 10^{+300}:\\
\;\;\;\;\left(\left(x \cdot y + z \cdot t\right) - t\_2 \cdot i\right) \cdot 2\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \left(c \cdot \left(t\_1 \cdot \left(-i\right)\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (*.f64 (+.f64 a (*.f64 b c)) c) < -inf.0

    1. Initial program 65.9%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in x around 0 86.7%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z - c \cdot \left(i \cdot \left(a + b \cdot c\right)\right)\right)} \]

    if -inf.0 < (*.f64 (+.f64 a (*.f64 b c)) c) < 2.0000000000000001e300

    1. Initial program 97.1%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing

    if 2.0000000000000001e300 < (*.f64 (+.f64 a (*.f64 b c)) c)

    1. Initial program 74.2%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in i around inf 95.1%

      \[\leadsto 2 \cdot \color{blue}{\left(-1 \cdot \left(c \cdot \left(i \cdot \left(a + b \cdot c\right)\right)\right)\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification95.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;c \cdot \left(a + b \cdot c\right) \leq -\infty:\\ \;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(\left(a + b \cdot c\right) \cdot i\right)\right)\\ \mathbf{elif}\;c \cdot \left(a + b \cdot c\right) \leq 2 \cdot 10^{+300}:\\ \;\;\;\;\left(\left(x \cdot y + z \cdot t\right) - \left(c \cdot \left(a + b \cdot c\right)\right) \cdot i\right) \cdot 2\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(c \cdot \left(\left(a + b \cdot c\right) \cdot \left(-i\right)\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 96.5% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := a + b \cdot c\\ t_2 := x \cdot y + z \cdot t\\ \mathbf{if}\;t\_2 - \left(c \cdot t\_1\right) \cdot i \leq \infty:\\ \;\;\;\;2 \cdot \left(t\_2 - t\_1 \cdot \left(c \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(c \cdot \left(t\_1 \cdot \left(-i\right)\right)\right)\\ \end{array} \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (let* ((t_1 (+ a (* b c))) (t_2 (+ (* x y) (* z t))))
   (if (<= (- t_2 (* (* c t_1) i)) INFINITY)
     (* 2.0 (- t_2 (* t_1 (* c i))))
     (* 2.0 (* c (* t_1 (- i)))))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double t_1 = a + (b * c);
	double t_2 = (x * y) + (z * t);
	double tmp;
	if ((t_2 - ((c * t_1) * i)) <= ((double) INFINITY)) {
		tmp = 2.0 * (t_2 - (t_1 * (c * i)));
	} else {
		tmp = 2.0 * (c * (t_1 * -i));
	}
	return tmp;
}
public static double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double t_1 = a + (b * c);
	double t_2 = (x * y) + (z * t);
	double tmp;
	if ((t_2 - ((c * t_1) * i)) <= Double.POSITIVE_INFINITY) {
		tmp = 2.0 * (t_2 - (t_1 * (c * i)));
	} else {
		tmp = 2.0 * (c * (t_1 * -i));
	}
	return tmp;
}
def code(x, y, z, t, a, b, c, i):
	t_1 = a + (b * c)
	t_2 = (x * y) + (z * t)
	tmp = 0
	if (t_2 - ((c * t_1) * i)) <= math.inf:
		tmp = 2.0 * (t_2 - (t_1 * (c * i)))
	else:
		tmp = 2.0 * (c * (t_1 * -i))
	return tmp
function code(x, y, z, t, a, b, c, i)
	t_1 = Float64(a + Float64(b * c))
	t_2 = Float64(Float64(x * y) + Float64(z * t))
	tmp = 0.0
	if (Float64(t_2 - Float64(Float64(c * t_1) * i)) <= Inf)
		tmp = Float64(2.0 * Float64(t_2 - Float64(t_1 * Float64(c * i))));
	else
		tmp = Float64(2.0 * Float64(c * Float64(t_1 * Float64(-i))));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c, i)
	t_1 = a + (b * c);
	t_2 = (x * y) + (z * t);
	tmp = 0.0;
	if ((t_2 - ((c * t_1) * i)) <= Inf)
		tmp = 2.0 * (t_2 - (t_1 * (c * i)));
	else
		tmp = 2.0 * (c * (t_1 * -i));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := Block[{t$95$1 = N[(a + N[(b * c), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(t$95$2 - N[(N[(c * t$95$1), $MachinePrecision] * i), $MachinePrecision]), $MachinePrecision], Infinity], N[(2.0 * N[(t$95$2 - N[(t$95$1 * N[(c * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(c * N[(t$95$1 * (-i)), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := a + b \cdot c\\
t_2 := x \cdot y + z \cdot t\\
\mathbf{if}\;t\_2 - \left(c \cdot t\_1\right) \cdot i \leq \infty:\\
\;\;\;\;2 \cdot \left(t\_2 - t\_1 \cdot \left(c \cdot i\right)\right)\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \left(c \cdot \left(t\_1 \cdot \left(-i\right)\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (-.f64 (+.f64 (*.f64 x y) (*.f64 z t)) (*.f64 (*.f64 (+.f64 a (*.f64 b c)) c) i)) < +inf.0

    1. Initial program 93.7%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Step-by-step derivation
      1. fma-define93.7%

        \[\leadsto 2 \cdot \left(\color{blue}{\mathsf{fma}\left(x, y, z \cdot t\right)} - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
      2. associate-*l*98.7%

        \[\leadsto 2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - \color{blue}{\left(a + b \cdot c\right) \cdot \left(c \cdot i\right)}\right) \]
    3. Simplified98.7%

      \[\leadsto \color{blue}{2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-define98.7%

        \[\leadsto 2 \cdot \left(\color{blue}{\left(x \cdot y + z \cdot t\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]
      2. +-commutative98.7%

        \[\leadsto 2 \cdot \left(\color{blue}{\left(z \cdot t + x \cdot y\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]
    6. Applied egg-rr98.7%

      \[\leadsto 2 \cdot \left(\color{blue}{\left(z \cdot t + x \cdot y\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]

    if +inf.0 < (-.f64 (+.f64 (*.f64 x y) (*.f64 z t)) (*.f64 (*.f64 (+.f64 a (*.f64 b c)) c) i))

    1. Initial program 0.0%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in i around inf 54.1%

      \[\leadsto 2 \cdot \color{blue}{\left(-1 \cdot \left(c \cdot \left(i \cdot \left(a + b \cdot c\right)\right)\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification96.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\left(x \cdot y + z \cdot t\right) - \left(c \cdot \left(a + b \cdot c\right)\right) \cdot i \leq \infty:\\ \;\;\;\;2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(c \cdot \left(\left(a + b \cdot c\right) \cdot \left(-i\right)\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 73.6% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := a + b \cdot c\\ t_2 := 2 \cdot \left(c \cdot \left(t\_1 \cdot \left(-i\right)\right)\right)\\ \mathbf{if}\;c \leq -5.6 \cdot 10^{+69}:\\ \;\;\;\;t\_2\\ \mathbf{elif}\;c \leq 8.8 \cdot 10^{-26}:\\ \;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\ \mathbf{elif}\;c \leq 1.05 \cdot 10^{+31}:\\ \;\;\;\;t\_2\\ \mathbf{elif}\;c \leq 10^{+149}:\\ \;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(b \cdot \left(c \cdot i\right)\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\left(\left(c \cdot t\_1\right) \cdot i\right) \cdot \left(-2\right)\\ \end{array} \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (let* ((t_1 (+ a (* b c))) (t_2 (* 2.0 (* c (* t_1 (- i))))))
   (if (<= c -5.6e+69)
     t_2
     (if (<= c 8.8e-26)
       (* (+ (* x y) (* z t)) 2.0)
       (if (<= c 1.05e+31)
         t_2
         (if (<= c 1e+149)
           (* 2.0 (- (* z t) (* c (* b (* c i)))))
           (* (* (* c t_1) i) (- 2.0))))))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double t_1 = a + (b * c);
	double t_2 = 2.0 * (c * (t_1 * -i));
	double tmp;
	if (c <= -5.6e+69) {
		tmp = t_2;
	} else if (c <= 8.8e-26) {
		tmp = ((x * y) + (z * t)) * 2.0;
	} else if (c <= 1.05e+31) {
		tmp = t_2;
	} else if (c <= 1e+149) {
		tmp = 2.0 * ((z * t) - (c * (b * (c * i))));
	} else {
		tmp = ((c * t_1) * i) * -2.0;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c, i)
    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), intent (in) :: i
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: tmp
    t_1 = a + (b * c)
    t_2 = 2.0d0 * (c * (t_1 * -i))
    if (c <= (-5.6d+69)) then
        tmp = t_2
    else if (c <= 8.8d-26) then
        tmp = ((x * y) + (z * t)) * 2.0d0
    else if (c <= 1.05d+31) then
        tmp = t_2
    else if (c <= 1d+149) then
        tmp = 2.0d0 * ((z * t) - (c * (b * (c * i))))
    else
        tmp = ((c * t_1) * i) * -2.0d0
    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 i) {
	double t_1 = a + (b * c);
	double t_2 = 2.0 * (c * (t_1 * -i));
	double tmp;
	if (c <= -5.6e+69) {
		tmp = t_2;
	} else if (c <= 8.8e-26) {
		tmp = ((x * y) + (z * t)) * 2.0;
	} else if (c <= 1.05e+31) {
		tmp = t_2;
	} else if (c <= 1e+149) {
		tmp = 2.0 * ((z * t) - (c * (b * (c * i))));
	} else {
		tmp = ((c * t_1) * i) * -2.0;
	}
	return tmp;
}
def code(x, y, z, t, a, b, c, i):
	t_1 = a + (b * c)
	t_2 = 2.0 * (c * (t_1 * -i))
	tmp = 0
	if c <= -5.6e+69:
		tmp = t_2
	elif c <= 8.8e-26:
		tmp = ((x * y) + (z * t)) * 2.0
	elif c <= 1.05e+31:
		tmp = t_2
	elif c <= 1e+149:
		tmp = 2.0 * ((z * t) - (c * (b * (c * i))))
	else:
		tmp = ((c * t_1) * i) * -2.0
	return tmp
function code(x, y, z, t, a, b, c, i)
	t_1 = Float64(a + Float64(b * c))
	t_2 = Float64(2.0 * Float64(c * Float64(t_1 * Float64(-i))))
	tmp = 0.0
	if (c <= -5.6e+69)
		tmp = t_2;
	elseif (c <= 8.8e-26)
		tmp = Float64(Float64(Float64(x * y) + Float64(z * t)) * 2.0);
	elseif (c <= 1.05e+31)
		tmp = t_2;
	elseif (c <= 1e+149)
		tmp = Float64(2.0 * Float64(Float64(z * t) - Float64(c * Float64(b * Float64(c * i)))));
	else
		tmp = Float64(Float64(Float64(c * t_1) * i) * Float64(-2.0));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c, i)
	t_1 = a + (b * c);
	t_2 = 2.0 * (c * (t_1 * -i));
	tmp = 0.0;
	if (c <= -5.6e+69)
		tmp = t_2;
	elseif (c <= 8.8e-26)
		tmp = ((x * y) + (z * t)) * 2.0;
	elseif (c <= 1.05e+31)
		tmp = t_2;
	elseif (c <= 1e+149)
		tmp = 2.0 * ((z * t) - (c * (b * (c * i))));
	else
		tmp = ((c * t_1) * i) * -2.0;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := Block[{t$95$1 = N[(a + N[(b * c), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(2.0 * N[(c * N[(t$95$1 * (-i)), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[c, -5.6e+69], t$95$2, If[LessEqual[c, 8.8e-26], N[(N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision] * 2.0), $MachinePrecision], If[LessEqual[c, 1.05e+31], t$95$2, If[LessEqual[c, 1e+149], N[(2.0 * N[(N[(z * t), $MachinePrecision] - N[(c * N[(b * N[(c * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(c * t$95$1), $MachinePrecision] * i), $MachinePrecision] * (-2.0)), $MachinePrecision]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := a + b \cdot c\\
t_2 := 2 \cdot \left(c \cdot \left(t\_1 \cdot \left(-i\right)\right)\right)\\
\mathbf{if}\;c \leq -5.6 \cdot 10^{+69}:\\
\;\;\;\;t\_2\\

\mathbf{elif}\;c \leq 8.8 \cdot 10^{-26}:\\
\;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\

\mathbf{elif}\;c \leq 1.05 \cdot 10^{+31}:\\
\;\;\;\;t\_2\\

\mathbf{elif}\;c \leq 10^{+149}:\\
\;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(b \cdot \left(c \cdot i\right)\right)\right)\\

\mathbf{else}:\\
\;\;\;\;\left(\left(c \cdot t\_1\right) \cdot i\right) \cdot \left(-2\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if c < -5.59999999999999964e69 or 8.8000000000000003e-26 < c < 1.04999999999999989e31

    1. Initial program 75.4%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in i around inf 74.8%

      \[\leadsto 2 \cdot \color{blue}{\left(-1 \cdot \left(c \cdot \left(i \cdot \left(a + b \cdot c\right)\right)\right)\right)} \]

    if -5.59999999999999964e69 < c < 8.8000000000000003e-26

    1. Initial program 96.3%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in c around 0 76.8%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z + x \cdot y\right)} \]

    if 1.04999999999999989e31 < c < 1.00000000000000005e149

    1. Initial program 79.4%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in x around 0 74.1%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z - c \cdot \left(i \cdot \left(a + b \cdot c\right)\right)\right)} \]
    4. Taylor expanded in a around 0 74.3%

      \[\leadsto 2 \cdot \left(t \cdot z - c \cdot \color{blue}{\left(b \cdot \left(c \cdot i\right)\right)}\right) \]

    if 1.00000000000000005e149 < c

    1. Initial program 93.8%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in x around 0 93.8%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z - c \cdot \left(i \cdot \left(a + b \cdot c\right)\right)\right)} \]
    4. Taylor expanded in i around inf 87.8%

      \[\leadsto 2 \cdot \color{blue}{\left(i \cdot \left(\frac{t \cdot z}{i} - c \cdot \left(a + b \cdot c\right)\right)\right)} \]
    5. Taylor expanded in t around 0 93.9%

      \[\leadsto 2 \cdot \left(i \cdot \color{blue}{\left(-1 \cdot \left(c \cdot \left(a + b \cdot c\right)\right)\right)}\right) \]
  3. Recombined 4 regimes into one program.
  4. Final simplification78.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;c \leq -5.6 \cdot 10^{+69}:\\ \;\;\;\;2 \cdot \left(c \cdot \left(\left(a + b \cdot c\right) \cdot \left(-i\right)\right)\right)\\ \mathbf{elif}\;c \leq 8.8 \cdot 10^{-26}:\\ \;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\ \mathbf{elif}\;c \leq 1.05 \cdot 10^{+31}:\\ \;\;\;\;2 \cdot \left(c \cdot \left(\left(a + b \cdot c\right) \cdot \left(-i\right)\right)\right)\\ \mathbf{elif}\;c \leq 10^{+149}:\\ \;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(b \cdot \left(c \cdot i\right)\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\left(\left(c \cdot \left(a + b \cdot c\right)\right) \cdot i\right) \cdot \left(-2\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 72.5% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;c \leq -8 \cdot 10^{+75} \lor \neg \left(c \leq 4.5 \cdot 10^{-23} \lor \neg \left(c \leq 3.2 \cdot 10^{+35}\right) \land c \leq 6.8 \cdot 10^{+147}\right):\\ \;\;\;\;2 \cdot \left(c \cdot \left(\left(a + b \cdot c\right) \cdot \left(-i\right)\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\ \end{array} \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (if (or (<= c -8e+75)
         (not (or (<= c 4.5e-23) (and (not (<= c 3.2e+35)) (<= c 6.8e+147)))))
   (* 2.0 (* c (* (+ a (* b c)) (- i))))
   (* (+ (* x y) (* z t)) 2.0)))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double tmp;
	if ((c <= -8e+75) || !((c <= 4.5e-23) || (!(c <= 3.2e+35) && (c <= 6.8e+147)))) {
		tmp = 2.0 * (c * ((a + (b * c)) * -i));
	} else {
		tmp = ((x * y) + (z * t)) * 2.0;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c, i)
    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), intent (in) :: i
    real(8) :: tmp
    if ((c <= (-8d+75)) .or. (.not. (c <= 4.5d-23) .or. (.not. (c <= 3.2d+35)) .and. (c <= 6.8d+147))) then
        tmp = 2.0d0 * (c * ((a + (b * c)) * -i))
    else
        tmp = ((x * y) + (z * t)) * 2.0d0
    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 i) {
	double tmp;
	if ((c <= -8e+75) || !((c <= 4.5e-23) || (!(c <= 3.2e+35) && (c <= 6.8e+147)))) {
		tmp = 2.0 * (c * ((a + (b * c)) * -i));
	} else {
		tmp = ((x * y) + (z * t)) * 2.0;
	}
	return tmp;
}
def code(x, y, z, t, a, b, c, i):
	tmp = 0
	if (c <= -8e+75) or not ((c <= 4.5e-23) or (not (c <= 3.2e+35) and (c <= 6.8e+147))):
		tmp = 2.0 * (c * ((a + (b * c)) * -i))
	else:
		tmp = ((x * y) + (z * t)) * 2.0
	return tmp
function code(x, y, z, t, a, b, c, i)
	tmp = 0.0
	if ((c <= -8e+75) || !((c <= 4.5e-23) || (!(c <= 3.2e+35) && (c <= 6.8e+147))))
		tmp = Float64(2.0 * Float64(c * Float64(Float64(a + Float64(b * c)) * Float64(-i))));
	else
		tmp = Float64(Float64(Float64(x * y) + Float64(z * t)) * 2.0);
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c, i)
	tmp = 0.0;
	if ((c <= -8e+75) || ~(((c <= 4.5e-23) || (~((c <= 3.2e+35)) && (c <= 6.8e+147)))))
		tmp = 2.0 * (c * ((a + (b * c)) * -i));
	else
		tmp = ((x * y) + (z * t)) * 2.0;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := If[Or[LessEqual[c, -8e+75], N[Not[Or[LessEqual[c, 4.5e-23], And[N[Not[LessEqual[c, 3.2e+35]], $MachinePrecision], LessEqual[c, 6.8e+147]]]], $MachinePrecision]], N[(2.0 * N[(c * N[(N[(a + N[(b * c), $MachinePrecision]), $MachinePrecision] * (-i)), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision] * 2.0), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;c \leq -8 \cdot 10^{+75} \lor \neg \left(c \leq 4.5 \cdot 10^{-23} \lor \neg \left(c \leq 3.2 \cdot 10^{+35}\right) \land c \leq 6.8 \cdot 10^{+147}\right):\\
\;\;\;\;2 \cdot \left(c \cdot \left(\left(a + b \cdot c\right) \cdot \left(-i\right)\right)\right)\\

\mathbf{else}:\\
\;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if c < -7.99999999999999941e75 or 4.49999999999999975e-23 < c < 3.19999999999999983e35 or 6.8e147 < c

    1. Initial program 80.4%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in i around inf 80.6%

      \[\leadsto 2 \cdot \color{blue}{\left(-1 \cdot \left(c \cdot \left(i \cdot \left(a + b \cdot c\right)\right)\right)\right)} \]

    if -7.99999999999999941e75 < c < 4.49999999999999975e-23 or 3.19999999999999983e35 < c < 6.8e147

    1. Initial program 94.8%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in c around 0 75.1%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z + x \cdot y\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification77.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;c \leq -8 \cdot 10^{+75} \lor \neg \left(c \leq 4.5 \cdot 10^{-23} \lor \neg \left(c \leq 3.2 \cdot 10^{+35}\right) \land c \leq 6.8 \cdot 10^{+147}\right):\\ \;\;\;\;2 \cdot \left(c \cdot \left(\left(a + b \cdot c\right) \cdot \left(-i\right)\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 71.7% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := a + b \cdot c\\ t_2 := \left(x \cdot y + z \cdot t\right) \cdot 2\\ t_3 := 2 \cdot \left(c \cdot \left(t\_1 \cdot \left(-i\right)\right)\right)\\ \mathbf{if}\;c \leq -5.5 \cdot 10^{+83}:\\ \;\;\;\;t\_3\\ \mathbf{elif}\;c \leq 9 \cdot 10^{-24}:\\ \;\;\;\;t\_2\\ \mathbf{elif}\;c \leq 2.3 \cdot 10^{+35}:\\ \;\;\;\;t\_3\\ \mathbf{elif}\;c \leq 1.9 \cdot 10^{+149}:\\ \;\;\;\;t\_2\\ \mathbf{else}:\\ \;\;\;\;\left(\left(c \cdot t\_1\right) \cdot i\right) \cdot \left(-2\right)\\ \end{array} \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (let* ((t_1 (+ a (* b c)))
        (t_2 (* (+ (* x y) (* z t)) 2.0))
        (t_3 (* 2.0 (* c (* t_1 (- i))))))
   (if (<= c -5.5e+83)
     t_3
     (if (<= c 9e-24)
       t_2
       (if (<= c 2.3e+35)
         t_3
         (if (<= c 1.9e+149) t_2 (* (* (* c t_1) i) (- 2.0))))))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double t_1 = a + (b * c);
	double t_2 = ((x * y) + (z * t)) * 2.0;
	double t_3 = 2.0 * (c * (t_1 * -i));
	double tmp;
	if (c <= -5.5e+83) {
		tmp = t_3;
	} else if (c <= 9e-24) {
		tmp = t_2;
	} else if (c <= 2.3e+35) {
		tmp = t_3;
	} else if (c <= 1.9e+149) {
		tmp = t_2;
	} else {
		tmp = ((c * t_1) * i) * -2.0;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c, i)
    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), intent (in) :: i
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: t_3
    real(8) :: tmp
    t_1 = a + (b * c)
    t_2 = ((x * y) + (z * t)) * 2.0d0
    t_3 = 2.0d0 * (c * (t_1 * -i))
    if (c <= (-5.5d+83)) then
        tmp = t_3
    else if (c <= 9d-24) then
        tmp = t_2
    else if (c <= 2.3d+35) then
        tmp = t_3
    else if (c <= 1.9d+149) then
        tmp = t_2
    else
        tmp = ((c * t_1) * i) * -2.0d0
    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 i) {
	double t_1 = a + (b * c);
	double t_2 = ((x * y) + (z * t)) * 2.0;
	double t_3 = 2.0 * (c * (t_1 * -i));
	double tmp;
	if (c <= -5.5e+83) {
		tmp = t_3;
	} else if (c <= 9e-24) {
		tmp = t_2;
	} else if (c <= 2.3e+35) {
		tmp = t_3;
	} else if (c <= 1.9e+149) {
		tmp = t_2;
	} else {
		tmp = ((c * t_1) * i) * -2.0;
	}
	return tmp;
}
def code(x, y, z, t, a, b, c, i):
	t_1 = a + (b * c)
	t_2 = ((x * y) + (z * t)) * 2.0
	t_3 = 2.0 * (c * (t_1 * -i))
	tmp = 0
	if c <= -5.5e+83:
		tmp = t_3
	elif c <= 9e-24:
		tmp = t_2
	elif c <= 2.3e+35:
		tmp = t_3
	elif c <= 1.9e+149:
		tmp = t_2
	else:
		tmp = ((c * t_1) * i) * -2.0
	return tmp
function code(x, y, z, t, a, b, c, i)
	t_1 = Float64(a + Float64(b * c))
	t_2 = Float64(Float64(Float64(x * y) + Float64(z * t)) * 2.0)
	t_3 = Float64(2.0 * Float64(c * Float64(t_1 * Float64(-i))))
	tmp = 0.0
	if (c <= -5.5e+83)
		tmp = t_3;
	elseif (c <= 9e-24)
		tmp = t_2;
	elseif (c <= 2.3e+35)
		tmp = t_3;
	elseif (c <= 1.9e+149)
		tmp = t_2;
	else
		tmp = Float64(Float64(Float64(c * t_1) * i) * Float64(-2.0));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c, i)
	t_1 = a + (b * c);
	t_2 = ((x * y) + (z * t)) * 2.0;
	t_3 = 2.0 * (c * (t_1 * -i));
	tmp = 0.0;
	if (c <= -5.5e+83)
		tmp = t_3;
	elseif (c <= 9e-24)
		tmp = t_2;
	elseif (c <= 2.3e+35)
		tmp = t_3;
	elseif (c <= 1.9e+149)
		tmp = t_2;
	else
		tmp = ((c * t_1) * i) * -2.0;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := Block[{t$95$1 = N[(a + N[(b * c), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision] * 2.0), $MachinePrecision]}, Block[{t$95$3 = N[(2.0 * N[(c * N[(t$95$1 * (-i)), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[c, -5.5e+83], t$95$3, If[LessEqual[c, 9e-24], t$95$2, If[LessEqual[c, 2.3e+35], t$95$3, If[LessEqual[c, 1.9e+149], t$95$2, N[(N[(N[(c * t$95$1), $MachinePrecision] * i), $MachinePrecision] * (-2.0)), $MachinePrecision]]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := a + b \cdot c\\
t_2 := \left(x \cdot y + z \cdot t\right) \cdot 2\\
t_3 := 2 \cdot \left(c \cdot \left(t\_1 \cdot \left(-i\right)\right)\right)\\
\mathbf{if}\;c \leq -5.5 \cdot 10^{+83}:\\
\;\;\;\;t\_3\\

\mathbf{elif}\;c \leq 9 \cdot 10^{-24}:\\
\;\;\;\;t\_2\\

\mathbf{elif}\;c \leq 2.3 \cdot 10^{+35}:\\
\;\;\;\;t\_3\\

\mathbf{elif}\;c \leq 1.9 \cdot 10^{+149}:\\
\;\;\;\;t\_2\\

\mathbf{else}:\\
\;\;\;\;\left(\left(c \cdot t\_1\right) \cdot i\right) \cdot \left(-2\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if c < -5.4999999999999996e83 or 8.9999999999999995e-24 < c < 2.2999999999999998e35

    1. Initial program 74.4%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in i around inf 74.8%

      \[\leadsto 2 \cdot \color{blue}{\left(-1 \cdot \left(c \cdot \left(i \cdot \left(a + b \cdot c\right)\right)\right)\right)} \]

    if -5.4999999999999996e83 < c < 8.9999999999999995e-24 or 2.2999999999999998e35 < c < 1.9e149

    1. Initial program 94.8%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in c around 0 75.1%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z + x \cdot y\right)} \]

    if 1.9e149 < c

    1. Initial program 93.8%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in x around 0 93.8%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z - c \cdot \left(i \cdot \left(a + b \cdot c\right)\right)\right)} \]
    4. Taylor expanded in i around inf 87.8%

      \[\leadsto 2 \cdot \color{blue}{\left(i \cdot \left(\frac{t \cdot z}{i} - c \cdot \left(a + b \cdot c\right)\right)\right)} \]
    5. Taylor expanded in t around 0 93.9%

      \[\leadsto 2 \cdot \left(i \cdot \color{blue}{\left(-1 \cdot \left(c \cdot \left(a + b \cdot c\right)\right)\right)}\right) \]
  3. Recombined 3 regimes into one program.
  4. Final simplification77.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;c \leq -5.5 \cdot 10^{+83}:\\ \;\;\;\;2 \cdot \left(c \cdot \left(\left(a + b \cdot c\right) \cdot \left(-i\right)\right)\right)\\ \mathbf{elif}\;c \leq 9 \cdot 10^{-24}:\\ \;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\ \mathbf{elif}\;c \leq 2.3 \cdot 10^{+35}:\\ \;\;\;\;2 \cdot \left(c \cdot \left(\left(a + b \cdot c\right) \cdot \left(-i\right)\right)\right)\\ \mathbf{elif}\;c \leq 1.9 \cdot 10^{+149}:\\ \;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\ \mathbf{else}:\\ \;\;\;\;\left(\left(c \cdot \left(a + b \cdot c\right)\right) \cdot i\right) \cdot \left(-2\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 76.1% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \cdot y \leq -500000:\\ \;\;\;\;2 \cdot \left(y \cdot \left(x + t \cdot \frac{z}{y}\right)\right)\\ \mathbf{elif}\;x \cdot y \leq 5 \cdot 10^{+134}:\\ \;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(\left(a + b \cdot c\right) \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\ \end{array} \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (if (<= (* x y) -500000.0)
   (* 2.0 (* y (+ x (* t (/ z y)))))
   (if (<= (* x y) 5e+134)
     (* 2.0 (- (* z t) (* c (* (+ a (* b c)) i))))
     (* (+ (* x y) (* z t)) 2.0))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double tmp;
	if ((x * y) <= -500000.0) {
		tmp = 2.0 * (y * (x + (t * (z / y))));
	} else if ((x * y) <= 5e+134) {
		tmp = 2.0 * ((z * t) - (c * ((a + (b * c)) * i)));
	} else {
		tmp = ((x * y) + (z * t)) * 2.0;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c, i)
    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), intent (in) :: i
    real(8) :: tmp
    if ((x * y) <= (-500000.0d0)) then
        tmp = 2.0d0 * (y * (x + (t * (z / y))))
    else if ((x * y) <= 5d+134) then
        tmp = 2.0d0 * ((z * t) - (c * ((a + (b * c)) * i)))
    else
        tmp = ((x * y) + (z * t)) * 2.0d0
    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 i) {
	double tmp;
	if ((x * y) <= -500000.0) {
		tmp = 2.0 * (y * (x + (t * (z / y))));
	} else if ((x * y) <= 5e+134) {
		tmp = 2.0 * ((z * t) - (c * ((a + (b * c)) * i)));
	} else {
		tmp = ((x * y) + (z * t)) * 2.0;
	}
	return tmp;
}
def code(x, y, z, t, a, b, c, i):
	tmp = 0
	if (x * y) <= -500000.0:
		tmp = 2.0 * (y * (x + (t * (z / y))))
	elif (x * y) <= 5e+134:
		tmp = 2.0 * ((z * t) - (c * ((a + (b * c)) * i)))
	else:
		tmp = ((x * y) + (z * t)) * 2.0
	return tmp
function code(x, y, z, t, a, b, c, i)
	tmp = 0.0
	if (Float64(x * y) <= -500000.0)
		tmp = Float64(2.0 * Float64(y * Float64(x + Float64(t * Float64(z / y)))));
	elseif (Float64(x * y) <= 5e+134)
		tmp = Float64(2.0 * Float64(Float64(z * t) - Float64(c * Float64(Float64(a + Float64(b * c)) * i))));
	else
		tmp = Float64(Float64(Float64(x * y) + Float64(z * t)) * 2.0);
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c, i)
	tmp = 0.0;
	if ((x * y) <= -500000.0)
		tmp = 2.0 * (y * (x + (t * (z / y))));
	elseif ((x * y) <= 5e+134)
		tmp = 2.0 * ((z * t) - (c * ((a + (b * c)) * i)));
	else
		tmp = ((x * y) + (z * t)) * 2.0;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := If[LessEqual[N[(x * y), $MachinePrecision], -500000.0], N[(2.0 * N[(y * N[(x + N[(t * N[(z / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[N[(x * y), $MachinePrecision], 5e+134], N[(2.0 * N[(N[(z * t), $MachinePrecision] - N[(c * N[(N[(a + N[(b * c), $MachinePrecision]), $MachinePrecision] * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision] * 2.0), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;x \cdot y \leq -500000:\\
\;\;\;\;2 \cdot \left(y \cdot \left(x + t \cdot \frac{z}{y}\right)\right)\\

\mathbf{elif}\;x \cdot y \leq 5 \cdot 10^{+134}:\\
\;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(\left(a + b \cdot c\right) \cdot i\right)\right)\\

\mathbf{else}:\\
\;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (*.f64 x y) < -5e5

    1. Initial program 88.4%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in c around 0 69.3%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z + x \cdot y\right)} \]
    4. Taylor expanded in y around inf 67.8%

      \[\leadsto 2 \cdot \color{blue}{\left(y \cdot \left(x + \frac{t \cdot z}{y}\right)\right)} \]
    5. Step-by-step derivation
      1. associate-/l*69.4%

        \[\leadsto 2 \cdot \left(y \cdot \left(x + \color{blue}{t \cdot \frac{z}{y}}\right)\right) \]
    6. Simplified69.4%

      \[\leadsto 2 \cdot \color{blue}{\left(y \cdot \left(x + t \cdot \frac{z}{y}\right)\right)} \]

    if -5e5 < (*.f64 x y) < 4.99999999999999981e134

    1. Initial program 90.5%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in x around 0 88.3%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z - c \cdot \left(i \cdot \left(a + b \cdot c\right)\right)\right)} \]

    if 4.99999999999999981e134 < (*.f64 x y)

    1. Initial program 84.4%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in c around 0 80.2%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z + x \cdot y\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification82.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \cdot y \leq -500000:\\ \;\;\;\;2 \cdot \left(y \cdot \left(x + t \cdot \frac{z}{y}\right)\right)\\ \mathbf{elif}\;x \cdot y \leq 5 \cdot 10^{+134}:\\ \;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(\left(a + b \cdot c\right) \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 85.0% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := x \cdot y + z \cdot t\\ \mathbf{if}\;c \leq -6.4 \cdot 10^{+55}:\\ \;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(\left(a + b \cdot c\right) \cdot i\right)\right)\\ \mathbf{elif}\;c \leq 1.3 \cdot 10^{+22}:\\ \;\;\;\;2 \cdot \left(t\_1 - i \cdot \left(a \cdot c\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(t\_1 - \left(b \cdot c\right) \cdot \left(c \cdot i\right)\right)\\ \end{array} \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (let* ((t_1 (+ (* x y) (* z t))))
   (if (<= c -6.4e+55)
     (* 2.0 (- (* z t) (* c (* (+ a (* b c)) i))))
     (if (<= c 1.3e+22)
       (* 2.0 (- t_1 (* i (* a c))))
       (* 2.0 (- t_1 (* (* b c) (* c i))))))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double t_1 = (x * y) + (z * t);
	double tmp;
	if (c <= -6.4e+55) {
		tmp = 2.0 * ((z * t) - (c * ((a + (b * c)) * i)));
	} else if (c <= 1.3e+22) {
		tmp = 2.0 * (t_1 - (i * (a * c)));
	} else {
		tmp = 2.0 * (t_1 - ((b * c) * (c * i)));
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c, i)
    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), intent (in) :: i
    real(8) :: t_1
    real(8) :: tmp
    t_1 = (x * y) + (z * t)
    if (c <= (-6.4d+55)) then
        tmp = 2.0d0 * ((z * t) - (c * ((a + (b * c)) * i)))
    else if (c <= 1.3d+22) then
        tmp = 2.0d0 * (t_1 - (i * (a * c)))
    else
        tmp = 2.0d0 * (t_1 - ((b * c) * (c * i)))
    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 i) {
	double t_1 = (x * y) + (z * t);
	double tmp;
	if (c <= -6.4e+55) {
		tmp = 2.0 * ((z * t) - (c * ((a + (b * c)) * i)));
	} else if (c <= 1.3e+22) {
		tmp = 2.0 * (t_1 - (i * (a * c)));
	} else {
		tmp = 2.0 * (t_1 - ((b * c) * (c * i)));
	}
	return tmp;
}
def code(x, y, z, t, a, b, c, i):
	t_1 = (x * y) + (z * t)
	tmp = 0
	if c <= -6.4e+55:
		tmp = 2.0 * ((z * t) - (c * ((a + (b * c)) * i)))
	elif c <= 1.3e+22:
		tmp = 2.0 * (t_1 - (i * (a * c)))
	else:
		tmp = 2.0 * (t_1 - ((b * c) * (c * i)))
	return tmp
function code(x, y, z, t, a, b, c, i)
	t_1 = Float64(Float64(x * y) + Float64(z * t))
	tmp = 0.0
	if (c <= -6.4e+55)
		tmp = Float64(2.0 * Float64(Float64(z * t) - Float64(c * Float64(Float64(a + Float64(b * c)) * i))));
	elseif (c <= 1.3e+22)
		tmp = Float64(2.0 * Float64(t_1 - Float64(i * Float64(a * c))));
	else
		tmp = Float64(2.0 * Float64(t_1 - Float64(Float64(b * c) * Float64(c * i))));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c, i)
	t_1 = (x * y) + (z * t);
	tmp = 0.0;
	if (c <= -6.4e+55)
		tmp = 2.0 * ((z * t) - (c * ((a + (b * c)) * i)));
	elseif (c <= 1.3e+22)
		tmp = 2.0 * (t_1 - (i * (a * c)));
	else
		tmp = 2.0 * (t_1 - ((b * c) * (c * i)));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := Block[{t$95$1 = N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[c, -6.4e+55], N[(2.0 * N[(N[(z * t), $MachinePrecision] - N[(c * N[(N[(a + N[(b * c), $MachinePrecision]), $MachinePrecision] * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[c, 1.3e+22], N[(2.0 * N[(t$95$1 - N[(i * N[(a * c), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(t$95$1 - N[(N[(b * c), $MachinePrecision] * N[(c * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := x \cdot y + z \cdot t\\
\mathbf{if}\;c \leq -6.4 \cdot 10^{+55}:\\
\;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(\left(a + b \cdot c\right) \cdot i\right)\right)\\

\mathbf{elif}\;c \leq 1.3 \cdot 10^{+22}:\\
\;\;\;\;2 \cdot \left(t\_1 - i \cdot \left(a \cdot c\right)\right)\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \left(t\_1 - \left(b \cdot c\right) \cdot \left(c \cdot i\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if c < -6.4000000000000005e55

    1. Initial program 69.5%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in x around 0 80.8%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z - c \cdot \left(i \cdot \left(a + b \cdot c\right)\right)\right)} \]

    if -6.4000000000000005e55 < c < 1.3e22

    1. Initial program 96.6%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in a around inf 91.4%

      \[\leadsto 2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \color{blue}{\left(a \cdot c\right)} \cdot i\right) \]
    4. Step-by-step derivation
      1. *-commutative91.4%

        \[\leadsto 2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \color{blue}{\left(c \cdot a\right)} \cdot i\right) \]
    5. Simplified91.4%

      \[\leadsto 2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \color{blue}{\left(c \cdot a\right)} \cdot i\right) \]

    if 1.3e22 < c

    1. Initial program 88.6%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Step-by-step derivation
      1. fma-define88.6%

        \[\leadsto 2 \cdot \left(\color{blue}{\mathsf{fma}\left(x, y, z \cdot t\right)} - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
      2. associate-*l*92.3%

        \[\leadsto 2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - \color{blue}{\left(a + b \cdot c\right) \cdot \left(c \cdot i\right)}\right) \]
    3. Simplified92.3%

      \[\leadsto \color{blue}{2 \cdot \left(\mathsf{fma}\left(x, y, z \cdot t\right) - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-define92.3%

        \[\leadsto 2 \cdot \left(\color{blue}{\left(x \cdot y + z \cdot t\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]
      2. +-commutative92.3%

        \[\leadsto 2 \cdot \left(\color{blue}{\left(z \cdot t + x \cdot y\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]
    6. Applied egg-rr92.3%

      \[\leadsto 2 \cdot \left(\color{blue}{\left(z \cdot t + x \cdot y\right)} - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \]
    7. Taylor expanded in a around 0 88.5%

      \[\leadsto 2 \cdot \left(\left(z \cdot t + x \cdot y\right) - \color{blue}{\left(b \cdot c\right)} \cdot \left(c \cdot i\right)\right) \]
  3. Recombined 3 regimes into one program.
  4. Final simplification88.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;c \leq -6.4 \cdot 10^{+55}:\\ \;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(\left(a + b \cdot c\right) \cdot i\right)\right)\\ \mathbf{elif}\;c \leq 1.3 \cdot 10^{+22}:\\ \;\;\;\;2 \cdot \left(\left(x \cdot y + z \cdot t\right) - i \cdot \left(a \cdot c\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(b \cdot c\right) \cdot \left(c \cdot i\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 86.5% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;c \leq -1.18 \cdot 10^{+57} \lor \neg \left(c \leq 270000000000\right):\\ \;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(\left(a + b \cdot c\right) \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\left(x \cdot y + z \cdot t\right) - i \cdot \left(a \cdot c\right)\right)\\ \end{array} \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (if (or (<= c -1.18e+57) (not (<= c 270000000000.0)))
   (* 2.0 (- (* z t) (* c (* (+ a (* b c)) i))))
   (* 2.0 (- (+ (* x y) (* z t)) (* i (* a c))))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double tmp;
	if ((c <= -1.18e+57) || !(c <= 270000000000.0)) {
		tmp = 2.0 * ((z * t) - (c * ((a + (b * c)) * i)));
	} else {
		tmp = 2.0 * (((x * y) + (z * t)) - (i * (a * c)));
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c, i)
    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), intent (in) :: i
    real(8) :: tmp
    if ((c <= (-1.18d+57)) .or. (.not. (c <= 270000000000.0d0))) then
        tmp = 2.0d0 * ((z * t) - (c * ((a + (b * c)) * i)))
    else
        tmp = 2.0d0 * (((x * y) + (z * t)) - (i * (a * 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 i) {
	double tmp;
	if ((c <= -1.18e+57) || !(c <= 270000000000.0)) {
		tmp = 2.0 * ((z * t) - (c * ((a + (b * c)) * i)));
	} else {
		tmp = 2.0 * (((x * y) + (z * t)) - (i * (a * c)));
	}
	return tmp;
}
def code(x, y, z, t, a, b, c, i):
	tmp = 0
	if (c <= -1.18e+57) or not (c <= 270000000000.0):
		tmp = 2.0 * ((z * t) - (c * ((a + (b * c)) * i)))
	else:
		tmp = 2.0 * (((x * y) + (z * t)) - (i * (a * c)))
	return tmp
function code(x, y, z, t, a, b, c, i)
	tmp = 0.0
	if ((c <= -1.18e+57) || !(c <= 270000000000.0))
		tmp = Float64(2.0 * Float64(Float64(z * t) - Float64(c * Float64(Float64(a + Float64(b * c)) * i))));
	else
		tmp = Float64(2.0 * Float64(Float64(Float64(x * y) + Float64(z * t)) - Float64(i * Float64(a * c))));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c, i)
	tmp = 0.0;
	if ((c <= -1.18e+57) || ~((c <= 270000000000.0)))
		tmp = 2.0 * ((z * t) - (c * ((a + (b * c)) * i)));
	else
		tmp = 2.0 * (((x * y) + (z * t)) - (i * (a * c)));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := If[Or[LessEqual[c, -1.18e+57], N[Not[LessEqual[c, 270000000000.0]], $MachinePrecision]], N[(2.0 * N[(N[(z * t), $MachinePrecision] - N[(c * N[(N[(a + N[(b * c), $MachinePrecision]), $MachinePrecision] * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision] - N[(i * N[(a * c), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;c \leq -1.18 \cdot 10^{+57} \lor \neg \left(c \leq 270000000000\right):\\
\;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(\left(a + b \cdot c\right) \cdot i\right)\right)\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \left(\left(x \cdot y + z \cdot t\right) - i \cdot \left(a \cdot c\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if c < -1.18e57 or 2.7e11 < c

    1. Initial program 79.2%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in x around 0 84.1%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z - c \cdot \left(i \cdot \left(a + b \cdot c\right)\right)\right)} \]

    if -1.18e57 < c < 2.7e11

    1. Initial program 96.5%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in a around inf 91.2%

      \[\leadsto 2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \color{blue}{\left(a \cdot c\right)} \cdot i\right) \]
    4. Step-by-step derivation
      1. *-commutative91.2%

        \[\leadsto 2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \color{blue}{\left(c \cdot a\right)} \cdot i\right) \]
    5. Simplified91.2%

      \[\leadsto 2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \color{blue}{\left(c \cdot a\right)} \cdot i\right) \]
  3. Recombined 2 regimes into one program.
  4. Final simplification88.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;c \leq -1.18 \cdot 10^{+57} \lor \neg \left(c \leq 270000000000\right):\\ \;\;\;\;2 \cdot \left(z \cdot t - c \cdot \left(\left(a + b \cdot c\right) \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\left(x \cdot y + z \cdot t\right) - i \cdot \left(a \cdot c\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 60.9% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;a \leq -6.6 \cdot 10^{+198} \lor \neg \left(a \leq 3.3 \cdot 10^{+101}\right):\\ \;\;\;\;2 \cdot \left(z \cdot t - a \cdot \left(c \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\ \end{array} \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (if (or (<= a -6.6e+198) (not (<= a 3.3e+101)))
   (* 2.0 (- (* z t) (* a (* c i))))
   (* (+ (* x y) (* z t)) 2.0)))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double tmp;
	if ((a <= -6.6e+198) || !(a <= 3.3e+101)) {
		tmp = 2.0 * ((z * t) - (a * (c * i)));
	} else {
		tmp = ((x * y) + (z * t)) * 2.0;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c, i)
    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), intent (in) :: i
    real(8) :: tmp
    if ((a <= (-6.6d+198)) .or. (.not. (a <= 3.3d+101))) then
        tmp = 2.0d0 * ((z * t) - (a * (c * i)))
    else
        tmp = ((x * y) + (z * t)) * 2.0d0
    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 i) {
	double tmp;
	if ((a <= -6.6e+198) || !(a <= 3.3e+101)) {
		tmp = 2.0 * ((z * t) - (a * (c * i)));
	} else {
		tmp = ((x * y) + (z * t)) * 2.0;
	}
	return tmp;
}
def code(x, y, z, t, a, b, c, i):
	tmp = 0
	if (a <= -6.6e+198) or not (a <= 3.3e+101):
		tmp = 2.0 * ((z * t) - (a * (c * i)))
	else:
		tmp = ((x * y) + (z * t)) * 2.0
	return tmp
function code(x, y, z, t, a, b, c, i)
	tmp = 0.0
	if ((a <= -6.6e+198) || !(a <= 3.3e+101))
		tmp = Float64(2.0 * Float64(Float64(z * t) - Float64(a * Float64(c * i))));
	else
		tmp = Float64(Float64(Float64(x * y) + Float64(z * t)) * 2.0);
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c, i)
	tmp = 0.0;
	if ((a <= -6.6e+198) || ~((a <= 3.3e+101)))
		tmp = 2.0 * ((z * t) - (a * (c * i)));
	else
		tmp = ((x * y) + (z * t)) * 2.0;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := If[Or[LessEqual[a, -6.6e+198], N[Not[LessEqual[a, 3.3e+101]], $MachinePrecision]], N[(2.0 * N[(N[(z * t), $MachinePrecision] - N[(a * N[(c * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision] * 2.0), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;a \leq -6.6 \cdot 10^{+198} \lor \neg \left(a \leq 3.3 \cdot 10^{+101}\right):\\
\;\;\;\;2 \cdot \left(z \cdot t - a \cdot \left(c \cdot i\right)\right)\\

\mathbf{else}:\\
\;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if a < -6.59999999999999988e198 or 3.30000000000000011e101 < a

    1. Initial program 87.3%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in x around 0 81.2%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z - c \cdot \left(i \cdot \left(a + b \cdot c\right)\right)\right)} \]
    4. Taylor expanded in c around 0 66.7%

      \[\leadsto 2 \cdot \color{blue}{\left(-1 \cdot \left(a \cdot \left(c \cdot i\right)\right) + t \cdot z\right)} \]
    5. Step-by-step derivation
      1. mul-1-neg66.7%

        \[\leadsto 2 \cdot \left(\color{blue}{\left(-a \cdot \left(c \cdot i\right)\right)} + t \cdot z\right) \]
      2. +-commutative66.7%

        \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z + \left(-a \cdot \left(c \cdot i\right)\right)\right)} \]
      3. sub-neg66.7%

        \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z - a \cdot \left(c \cdot i\right)\right)} \]
    6. Simplified66.7%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z - a \cdot \left(c \cdot i\right)\right)} \]

    if -6.59999999999999988e198 < a < 3.30000000000000011e101

    1. Initial program 89.4%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in c around 0 63.1%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z + x \cdot y\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification64.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \leq -6.6 \cdot 10^{+198} \lor \neg \left(a \leq 3.3 \cdot 10^{+101}\right):\\ \;\;\;\;2 \cdot \left(z \cdot t - a \cdot \left(c \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 43.7% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \cdot y \leq -230000 \lor \neg \left(x \cdot y \leq 6.8 \cdot 10^{+77}\right):\\ \;\;\;\;\left(x \cdot y\right) \cdot 2\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(z \cdot t\right)\\ \end{array} \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (if (or (<= (* x y) -230000.0) (not (<= (* x y) 6.8e+77)))
   (* (* x y) 2.0)
   (* 2.0 (* z t))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double tmp;
	if (((x * y) <= -230000.0) || !((x * y) <= 6.8e+77)) {
		tmp = (x * y) * 2.0;
	} else {
		tmp = 2.0 * (z * t);
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c, i)
    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), intent (in) :: i
    real(8) :: tmp
    if (((x * y) <= (-230000.0d0)) .or. (.not. ((x * y) <= 6.8d+77))) then
        tmp = (x * y) * 2.0d0
    else
        tmp = 2.0d0 * (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 i) {
	double tmp;
	if (((x * y) <= -230000.0) || !((x * y) <= 6.8e+77)) {
		tmp = (x * y) * 2.0;
	} else {
		tmp = 2.0 * (z * t);
	}
	return tmp;
}
def code(x, y, z, t, a, b, c, i):
	tmp = 0
	if ((x * y) <= -230000.0) or not ((x * y) <= 6.8e+77):
		tmp = (x * y) * 2.0
	else:
		tmp = 2.0 * (z * t)
	return tmp
function code(x, y, z, t, a, b, c, i)
	tmp = 0.0
	if ((Float64(x * y) <= -230000.0) || !(Float64(x * y) <= 6.8e+77))
		tmp = Float64(Float64(x * y) * 2.0);
	else
		tmp = Float64(2.0 * Float64(z * t));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c, i)
	tmp = 0.0;
	if (((x * y) <= -230000.0) || ~(((x * y) <= 6.8e+77)))
		tmp = (x * y) * 2.0;
	else
		tmp = 2.0 * (z * t);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := If[Or[LessEqual[N[(x * y), $MachinePrecision], -230000.0], N[Not[LessEqual[N[(x * y), $MachinePrecision], 6.8e+77]], $MachinePrecision]], N[(N[(x * y), $MachinePrecision] * 2.0), $MachinePrecision], N[(2.0 * N[(z * t), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;x \cdot y \leq -230000 \lor \neg \left(x \cdot y \leq 6.8 \cdot 10^{+77}\right):\\
\;\;\;\;\left(x \cdot y\right) \cdot 2\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \left(z \cdot t\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (*.f64 x y) < -2.3e5 or 6.79999999999999993e77 < (*.f64 x y)

    1. Initial program 87.5%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in x around inf 57.8%

      \[\leadsto 2 \cdot \color{blue}{\left(x \cdot y\right)} \]

    if -2.3e5 < (*.f64 x y) < 6.79999999999999993e77

    1. Initial program 90.0%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in z around inf 37.5%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification46.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \cdot y \leq -230000 \lor \neg \left(x \cdot y \leq 6.8 \cdot 10^{+77}\right):\\ \;\;\;\;\left(x \cdot y\right) \cdot 2\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(z \cdot t\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 56.7% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;a \leq -1.9 \cdot 10^{+199}:\\ \;\;\;\;-2 \cdot \left(a \cdot \left(c \cdot i\right)\right)\\ \mathbf{elif}\;a \leq 1.56 \cdot 10^{+190}:\\ \;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(i \cdot \left(a \cdot \left(-c\right)\right)\right)\\ \end{array} \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (if (<= a -1.9e+199)
   (* -2.0 (* a (* c i)))
   (if (<= a 1.56e+190)
     (* (+ (* x y) (* z t)) 2.0)
     (* 2.0 (* i (* a (- c)))))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	double tmp;
	if (a <= -1.9e+199) {
		tmp = -2.0 * (a * (c * i));
	} else if (a <= 1.56e+190) {
		tmp = ((x * y) + (z * t)) * 2.0;
	} else {
		tmp = 2.0 * (i * (a * -c));
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b, c, i)
    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), intent (in) :: i
    real(8) :: tmp
    if (a <= (-1.9d+199)) then
        tmp = (-2.0d0) * (a * (c * i))
    else if (a <= 1.56d+190) then
        tmp = ((x * y) + (z * t)) * 2.0d0
    else
        tmp = 2.0d0 * (i * (a * -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 i) {
	double tmp;
	if (a <= -1.9e+199) {
		tmp = -2.0 * (a * (c * i));
	} else if (a <= 1.56e+190) {
		tmp = ((x * y) + (z * t)) * 2.0;
	} else {
		tmp = 2.0 * (i * (a * -c));
	}
	return tmp;
}
def code(x, y, z, t, a, b, c, i):
	tmp = 0
	if a <= -1.9e+199:
		tmp = -2.0 * (a * (c * i))
	elif a <= 1.56e+190:
		tmp = ((x * y) + (z * t)) * 2.0
	else:
		tmp = 2.0 * (i * (a * -c))
	return tmp
function code(x, y, z, t, a, b, c, i)
	tmp = 0.0
	if (a <= -1.9e+199)
		tmp = Float64(-2.0 * Float64(a * Float64(c * i)));
	elseif (a <= 1.56e+190)
		tmp = Float64(Float64(Float64(x * y) + Float64(z * t)) * 2.0);
	else
		tmp = Float64(2.0 * Float64(i * Float64(a * Float64(-c))));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b, c, i)
	tmp = 0.0;
	if (a <= -1.9e+199)
		tmp = -2.0 * (a * (c * i));
	elseif (a <= 1.56e+190)
		tmp = ((x * y) + (z * t)) * 2.0;
	else
		tmp = 2.0 * (i * (a * -c));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := If[LessEqual[a, -1.9e+199], N[(-2.0 * N[(a * N[(c * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[a, 1.56e+190], N[(N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision] * 2.0), $MachinePrecision], N[(2.0 * N[(i * N[(a * (-c)), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;a \leq -1.9 \cdot 10^{+199}:\\
\;\;\;\;-2 \cdot \left(a \cdot \left(c \cdot i\right)\right)\\

\mathbf{elif}\;a \leq 1.56 \cdot 10^{+190}:\\
\;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \left(i \cdot \left(a \cdot \left(-c\right)\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if a < -1.9e199

    1. Initial program 91.3%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in a around inf 60.5%

      \[\leadsto 2 \cdot \color{blue}{\left(-1 \cdot \left(a \cdot \left(c \cdot i\right)\right)\right)} \]
    4. Step-by-step derivation
      1. mul-1-neg60.5%

        \[\leadsto 2 \cdot \color{blue}{\left(-a \cdot \left(c \cdot i\right)\right)} \]
      2. *-commutative60.5%

        \[\leadsto 2 \cdot \left(-\color{blue}{\left(c \cdot i\right) \cdot a}\right) \]
      3. associate-*l*56.4%

        \[\leadsto 2 \cdot \left(-\color{blue}{c \cdot \left(i \cdot a\right)}\right) \]
      4. *-commutative56.4%

        \[\leadsto 2 \cdot \left(-c \cdot \color{blue}{\left(a \cdot i\right)}\right) \]
      5. distribute-rgt-neg-in56.4%

        \[\leadsto 2 \cdot \color{blue}{\left(c \cdot \left(-a \cdot i\right)\right)} \]
      6. *-commutative56.4%

        \[\leadsto 2 \cdot \left(c \cdot \left(-\color{blue}{i \cdot a}\right)\right) \]
      7. distribute-rgt-neg-in56.4%

        \[\leadsto 2 \cdot \left(c \cdot \color{blue}{\left(i \cdot \left(-a\right)\right)}\right) \]
    5. Simplified56.4%

      \[\leadsto 2 \cdot \color{blue}{\left(c \cdot \left(i \cdot \left(-a\right)\right)\right)} \]
    6. Taylor expanded in c around 0 60.5%

      \[\leadsto \color{blue}{-2 \cdot \left(a \cdot \left(c \cdot i\right)\right)} \]
    7. Step-by-step derivation
      1. *-commutative60.5%

        \[\leadsto \color{blue}{\left(a \cdot \left(c \cdot i\right)\right) \cdot -2} \]
    8. Simplified60.5%

      \[\leadsto \color{blue}{\left(a \cdot \left(c \cdot i\right)\right) \cdot -2} \]

    if -1.9e199 < a < 1.56e190

    1. Initial program 88.8%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in c around 0 61.7%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z + x \cdot y\right)} \]

    if 1.56e190 < a

    1. Initial program 88.0%

      \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
    2. Add Preprocessing
    3. Taylor expanded in x around 0 84.1%

      \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z - c \cdot \left(i \cdot \left(a + b \cdot c\right)\right)\right)} \]
    4. Taylor expanded in i around inf 76.6%

      \[\leadsto 2 \cdot \color{blue}{\left(i \cdot \left(\frac{t \cdot z}{i} - c \cdot \left(a + b \cdot c\right)\right)\right)} \]
    5. Taylor expanded in a around inf 60.9%

      \[\leadsto 2 \cdot \left(i \cdot \color{blue}{\left(-1 \cdot \left(a \cdot c\right)\right)}\right) \]
    6. Step-by-step derivation
      1. mul-1-neg60.9%

        \[\leadsto 2 \cdot \left(i \cdot \color{blue}{\left(-a \cdot c\right)}\right) \]
      2. *-commutative60.9%

        \[\leadsto 2 \cdot \left(i \cdot \left(-\color{blue}{c \cdot a}\right)\right) \]
      3. distribute-rgt-neg-in60.9%

        \[\leadsto 2 \cdot \left(i \cdot \color{blue}{\left(c \cdot \left(-a\right)\right)}\right) \]
    7. Simplified60.9%

      \[\leadsto 2 \cdot \left(i \cdot \color{blue}{\left(c \cdot \left(-a\right)\right)}\right) \]
  3. Recombined 3 regimes into one program.
  4. Final simplification61.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \leq -1.9 \cdot 10^{+199}:\\ \;\;\;\;-2 \cdot \left(a \cdot \left(c \cdot i\right)\right)\\ \mathbf{elif}\;a \leq 1.56 \cdot 10^{+190}:\\ \;\;\;\;\left(x \cdot y + z \cdot t\right) \cdot 2\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(i \cdot \left(a \cdot \left(-c\right)\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 15: 30.0% accurate, 3.8× speedup?

\[\begin{array}{l} \\ 2 \cdot \left(z \cdot t\right) \end{array} \]
(FPCore (x y z t a b c i) :precision binary64 (* 2.0 (* z t)))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	return 2.0 * (z * t);
}
real(8) function code(x, y, z, t, a, b, c, i)
    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), intent (in) :: i
    code = 2.0d0 * (z * t)
end function
public static double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	return 2.0 * (z * t);
}
def code(x, y, z, t, a, b, c, i):
	return 2.0 * (z * t)
function code(x, y, z, t, a, b, c, i)
	return Float64(2.0 * Float64(z * t))
end
function tmp = code(x, y, z, t, a, b, c, i)
	tmp = 2.0 * (z * t);
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := N[(2.0 * N[(z * t), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
2 \cdot \left(z \cdot t\right)
\end{array}
Derivation
  1. Initial program 88.9%

    \[2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(\left(a + b \cdot c\right) \cdot c\right) \cdot i\right) \]
  2. Add Preprocessing
  3. Taylor expanded in z around inf 30.1%

    \[\leadsto 2 \cdot \color{blue}{\left(t \cdot z\right)} \]
  4. Final simplification30.1%

    \[\leadsto 2 \cdot \left(z \cdot t\right) \]
  5. Add Preprocessing

Developer target: 93.7% accurate, 1.0× speedup?

\[\begin{array}{l} \\ 2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right) \end{array} \]
(FPCore (x y z t a b c i)
 :precision binary64
 (* 2.0 (- (+ (* x y) (* z t)) (* (+ a (* b c)) (* c i)))))
double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	return 2.0 * (((x * y) + (z * t)) - ((a + (b * c)) * (c * i)));
}
real(8) function code(x, y, z, t, a, b, c, i)
    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), intent (in) :: i
    code = 2.0d0 * (((x * y) + (z * t)) - ((a + (b * c)) * (c * i)))
end function
public static double code(double x, double y, double z, double t, double a, double b, double c, double i) {
	return 2.0 * (((x * y) + (z * t)) - ((a + (b * c)) * (c * i)));
}
def code(x, y, z, t, a, b, c, i):
	return 2.0 * (((x * y) + (z * t)) - ((a + (b * c)) * (c * i)))
function code(x, y, z, t, a, b, c, i)
	return Float64(2.0 * Float64(Float64(Float64(x * y) + Float64(z * t)) - Float64(Float64(a + Float64(b * c)) * Float64(c * i))))
end
function tmp = code(x, y, z, t, a, b, c, i)
	tmp = 2.0 * (((x * y) + (z * t)) - ((a + (b * c)) * (c * i)));
end
code[x_, y_, z_, t_, a_, b_, c_, i_] := N[(2.0 * N[(N[(N[(x * y), $MachinePrecision] + N[(z * t), $MachinePrecision]), $MachinePrecision] - N[(N[(a + N[(b * c), $MachinePrecision]), $MachinePrecision] * N[(c * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
2 \cdot \left(\left(x \cdot y + z \cdot t\right) - \left(a + b \cdot c\right) \cdot \left(c \cdot i\right)\right)
\end{array}

Reproduce

?
herbie shell --seed 2024112 
(FPCore (x y z t a b c i)
  :name "Diagrams.ThreeD.Shapes:frustum from diagrams-lib-1.3.0.3, A"
  :precision binary64

  :alt
  (* 2.0 (- (+ (* x y) (* z t)) (* (+ a (* b c)) (* c i))))

  (* 2.0 (- (+ (* x y) (* z t)) (* (* (+ a (* b c)) c) i))))