Numeric.Histogram:binBounds from Chart-1.5.3

Percentage Accurate: 93.3% → 97.6%
Time: 8.3s
Alternatives: 8
Speedup: 1.1×

Specification

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

\\
x + \frac{\left(y - x\right) \cdot z}{t}
\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 8 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: 93.3% accurate, 1.0× speedup?

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

\\
x + \frac{\left(y - x\right) \cdot z}{t}
\end{array}

Alternative 1: 97.6% accurate, 1.1× speedup?

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

\\
\mathsf{fma}\left(\frac{z}{t}, y - x, x\right)
\end{array}
Derivation
  1. Initial program 93.3%

    \[x + \frac{\left(y - x\right) \cdot z}{t} \]
  2. Add Preprocessing
  3. Step-by-step derivation
    1. lift-+.f64N/A

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

      \[\leadsto \color{blue}{\frac{\left(y - x\right) \cdot z}{t} + x} \]
    3. lift-/.f64N/A

      \[\leadsto \color{blue}{\frac{\left(y - x\right) \cdot z}{t}} + x \]
    4. lift-*.f64N/A

      \[\leadsto \frac{\color{blue}{\left(y - x\right) \cdot z}}{t} + x \]
    5. associate-/l*N/A

      \[\leadsto \color{blue}{\left(y - x\right) \cdot \frac{z}{t}} + x \]
    6. *-commutativeN/A

      \[\leadsto \color{blue}{\frac{z}{t} \cdot \left(y - x\right)} + x \]
    7. lower-fma.f64N/A

      \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{z}{t}, y - x, x\right)} \]
    8. lower-/.f6498.6

      \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{z}{t}}, y - x, x\right) \]
  4. Applied rewrites98.6%

    \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{z}{t}, y - x, x\right)} \]
  5. Add Preprocessing

Alternative 2: 83.6% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \left(y - x\right) \cdot \frac{z}{t}\\ t_2 := \frac{\left(y - x\right) \cdot z}{t} + x\\ \mathbf{if}\;t\_2 \leq -\infty:\\ \;\;\;\;t\_1\\ \mathbf{elif}\;t\_2 \leq 10^{+193}:\\ \;\;\;\;\frac{y \cdot z}{t} + x\\ \mathbf{else}:\\ \;\;\;\;t\_1\\ \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (let* ((t_1 (* (- y x) (/ z t))) (t_2 (+ (/ (* (- y x) z) t) x)))
   (if (<= t_2 (- INFINITY))
     t_1
     (if (<= t_2 1e+193) (+ (/ (* y z) t) x) t_1))))
double code(double x, double y, double z, double t) {
	double t_1 = (y - x) * (z / t);
	double t_2 = (((y - x) * z) / t) + x;
	double tmp;
	if (t_2 <= -((double) INFINITY)) {
		tmp = t_1;
	} else if (t_2 <= 1e+193) {
		tmp = ((y * z) / t) + x;
	} else {
		tmp = t_1;
	}
	return tmp;
}
public static double code(double x, double y, double z, double t) {
	double t_1 = (y - x) * (z / t);
	double t_2 = (((y - x) * z) / t) + x;
	double tmp;
	if (t_2 <= -Double.POSITIVE_INFINITY) {
		tmp = t_1;
	} else if (t_2 <= 1e+193) {
		tmp = ((y * z) / t) + x;
	} else {
		tmp = t_1;
	}
	return tmp;
}
def code(x, y, z, t):
	t_1 = (y - x) * (z / t)
	t_2 = (((y - x) * z) / t) + x
	tmp = 0
	if t_2 <= -math.inf:
		tmp = t_1
	elif t_2 <= 1e+193:
		tmp = ((y * z) / t) + x
	else:
		tmp = t_1
	return tmp
function code(x, y, z, t)
	t_1 = Float64(Float64(y - x) * Float64(z / t))
	t_2 = Float64(Float64(Float64(Float64(y - x) * z) / t) + x)
	tmp = 0.0
	if (t_2 <= Float64(-Inf))
		tmp = t_1;
	elseif (t_2 <= 1e+193)
		tmp = Float64(Float64(Float64(y * z) / t) + x);
	else
		tmp = t_1;
	end
	return tmp
end
function tmp_2 = code(x, y, z, t)
	t_1 = (y - x) * (z / t);
	t_2 = (((y - x) * z) / t) + x;
	tmp = 0.0;
	if (t_2 <= -Inf)
		tmp = t_1;
	elseif (t_2 <= 1e+193)
		tmp = ((y * z) / t) + x;
	else
		tmp = t_1;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(N[(N[(y - x), $MachinePrecision] * z), $MachinePrecision] / t), $MachinePrecision] + x), $MachinePrecision]}, If[LessEqual[t$95$2, (-Infinity)], t$95$1, If[LessEqual[t$95$2, 1e+193], N[(N[(N[(y * z), $MachinePrecision] / t), $MachinePrecision] + x), $MachinePrecision], t$95$1]]]]
\begin{array}{l}

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

\mathbf{elif}\;t\_2 \leq 10^{+193}:\\
\;\;\;\;\frac{y \cdot z}{t} + x\\

\mathbf{else}:\\
\;\;\;\;t\_1\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (+.f64 x (/.f64 (*.f64 (-.f64 y x) z) t)) < -inf.0 or 1.00000000000000007e193 < (+.f64 x (/.f64 (*.f64 (-.f64 y x) z) t))

    1. Initial program 86.0%

      \[x + \frac{\left(y - x\right) \cdot z}{t} \]
    2. Add Preprocessing
    3. Taylor expanded in t around 0

      \[\leadsto \color{blue}{\frac{z \cdot \left(y - x\right)}{t}} \]
    4. Step-by-step derivation
      1. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{z \cdot \left(y - x\right)}{t}} \]
      2. *-commutativeN/A

        \[\leadsto \frac{\color{blue}{\left(y - x\right) \cdot z}}{t} \]
      3. lower-*.f64N/A

        \[\leadsto \frac{\color{blue}{\left(y - x\right) \cdot z}}{t} \]
      4. lower--.f6480.2

        \[\leadsto \frac{\color{blue}{\left(y - x\right)} \cdot z}{t} \]
    5. Applied rewrites80.2%

      \[\leadsto \color{blue}{\frac{\left(y - x\right) \cdot z}{t}} \]
    6. Step-by-step derivation
      1. Applied rewrites89.7%

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

      if -inf.0 < (+.f64 x (/.f64 (*.f64 (-.f64 y x) z) t)) < 1.00000000000000007e193

      1. Initial program 98.5%

        \[x + \frac{\left(y - x\right) \cdot z}{t} \]
      2. Add Preprocessing
      3. Taylor expanded in y around inf

        \[\leadsto x + \frac{\color{blue}{y \cdot z}}{t} \]
      4. Step-by-step derivation
        1. lower-*.f6485.2

          \[\leadsto x + \frac{\color{blue}{y \cdot z}}{t} \]
      5. Applied rewrites85.2%

        \[\leadsto x + \frac{\color{blue}{y \cdot z}}{t} \]
    7. Recombined 2 regimes into one program.
    8. Final simplification87.1%

      \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{\left(y - x\right) \cdot z}{t} + x \leq -\infty:\\ \;\;\;\;\left(y - x\right) \cdot \frac{z}{t}\\ \mathbf{elif}\;\frac{\left(y - x\right) \cdot z}{t} + x \leq 10^{+193}:\\ \;\;\;\;\frac{y \cdot z}{t} + x\\ \mathbf{else}:\\ \;\;\;\;\left(y - x\right) \cdot \frac{z}{t}\\ \end{array} \]
    9. Add Preprocessing

    Alternative 3: 63.6% accurate, 0.3× speedup?

    \[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\left(y - x\right) \cdot z}{t} + x\\ t_2 := \left(y - x\right) \cdot \frac{z}{t}\\ \mathbf{if}\;t\_1 \leq -2 \cdot 10^{+24}:\\ \;\;\;\;t\_2\\ \mathbf{elif}\;t\_1 \leq 4 \cdot 10^{+157}:\\ \;\;\;\;\frac{x \cdot t}{t}\\ \mathbf{else}:\\ \;\;\;\;t\_2\\ \end{array} \end{array} \]
    (FPCore (x y z t)
     :precision binary64
     (let* ((t_1 (+ (/ (* (- y x) z) t) x)) (t_2 (* (- y x) (/ z t))))
       (if (<= t_1 -2e+24) t_2 (if (<= t_1 4e+157) (/ (* x t) t) t_2))))
    double code(double x, double y, double z, double t) {
    	double t_1 = (((y - x) * z) / t) + x;
    	double t_2 = (y - x) * (z / t);
    	double tmp;
    	if (t_1 <= -2e+24) {
    		tmp = t_2;
    	} else if (t_1 <= 4e+157) {
    		tmp = (x * t) / t;
    	} else {
    		tmp = t_2;
    	}
    	return tmp;
    }
    
    real(8) function code(x, y, z, t)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        real(8), intent (in) :: z
        real(8), intent (in) :: t
        real(8) :: t_1
        real(8) :: t_2
        real(8) :: tmp
        t_1 = (((y - x) * z) / t) + x
        t_2 = (y - x) * (z / t)
        if (t_1 <= (-2d+24)) then
            tmp = t_2
        else if (t_1 <= 4d+157) then
            tmp = (x * t) / t
        else
            tmp = t_2
        end if
        code = tmp
    end function
    
    public static double code(double x, double y, double z, double t) {
    	double t_1 = (((y - x) * z) / t) + x;
    	double t_2 = (y - x) * (z / t);
    	double tmp;
    	if (t_1 <= -2e+24) {
    		tmp = t_2;
    	} else if (t_1 <= 4e+157) {
    		tmp = (x * t) / t;
    	} else {
    		tmp = t_2;
    	}
    	return tmp;
    }
    
    def code(x, y, z, t):
    	t_1 = (((y - x) * z) / t) + x
    	t_2 = (y - x) * (z / t)
    	tmp = 0
    	if t_1 <= -2e+24:
    		tmp = t_2
    	elif t_1 <= 4e+157:
    		tmp = (x * t) / t
    	else:
    		tmp = t_2
    	return tmp
    
    function code(x, y, z, t)
    	t_1 = Float64(Float64(Float64(Float64(y - x) * z) / t) + x)
    	t_2 = Float64(Float64(y - x) * Float64(z / t))
    	tmp = 0.0
    	if (t_1 <= -2e+24)
    		tmp = t_2;
    	elseif (t_1 <= 4e+157)
    		tmp = Float64(Float64(x * t) / t);
    	else
    		tmp = t_2;
    	end
    	return tmp
    end
    
    function tmp_2 = code(x, y, z, t)
    	t_1 = (((y - x) * z) / t) + x;
    	t_2 = (y - x) * (z / t);
    	tmp = 0.0;
    	if (t_1 <= -2e+24)
    		tmp = t_2;
    	elseif (t_1 <= 4e+157)
    		tmp = (x * t) / t;
    	else
    		tmp = t_2;
    	end
    	tmp_2 = tmp;
    end
    
    code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(N[(N[(y - x), $MachinePrecision] * z), $MachinePrecision] / t), $MachinePrecision] + x), $MachinePrecision]}, Block[{t$95$2 = N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -2e+24], t$95$2, If[LessEqual[t$95$1, 4e+157], N[(N[(x * t), $MachinePrecision] / t), $MachinePrecision], t$95$2]]]]
    
    \begin{array}{l}
    
    \\
    \begin{array}{l}
    t_1 := \frac{\left(y - x\right) \cdot z}{t} + x\\
    t_2 := \left(y - x\right) \cdot \frac{z}{t}\\
    \mathbf{if}\;t\_1 \leq -2 \cdot 10^{+24}:\\
    \;\;\;\;t\_2\\
    
    \mathbf{elif}\;t\_1 \leq 4 \cdot 10^{+157}:\\
    \;\;\;\;\frac{x \cdot t}{t}\\
    
    \mathbf{else}:\\
    \;\;\;\;t\_2\\
    
    
    \end{array}
    \end{array}
    
    Derivation
    1. Split input into 2 regimes
    2. if (+.f64 x (/.f64 (*.f64 (-.f64 y x) z) t)) < -2e24 or 3.99999999999999993e157 < (+.f64 x (/.f64 (*.f64 (-.f64 y x) z) t))

      1. Initial program 90.8%

        \[x + \frac{\left(y - x\right) \cdot z}{t} \]
      2. Add Preprocessing
      3. Taylor expanded in t around 0

        \[\leadsto \color{blue}{\frac{z \cdot \left(y - x\right)}{t}} \]
      4. Step-by-step derivation
        1. lower-/.f64N/A

          \[\leadsto \color{blue}{\frac{z \cdot \left(y - x\right)}{t}} \]
        2. *-commutativeN/A

          \[\leadsto \frac{\color{blue}{\left(y - x\right) \cdot z}}{t} \]
        3. lower-*.f64N/A

          \[\leadsto \frac{\color{blue}{\left(y - x\right) \cdot z}}{t} \]
        4. lower--.f6474.8

          \[\leadsto \frac{\color{blue}{\left(y - x\right)} \cdot z}{t} \]
      5. Applied rewrites74.8%

        \[\leadsto \color{blue}{\frac{\left(y - x\right) \cdot z}{t}} \]
      6. Step-by-step derivation
        1. Applied rewrites80.5%

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

        if -2e24 < (+.f64 x (/.f64 (*.f64 (-.f64 y x) z) t)) < 3.99999999999999993e157

        1. Initial program 97.8%

          \[x + \frac{\left(y - x\right) \cdot z}{t} \]
        2. Add Preprocessing
        3. Taylor expanded in t around 0

          \[\leadsto \color{blue}{\frac{t \cdot x + z \cdot \left(y - x\right)}{t}} \]
        4. Step-by-step derivation
          1. lower-/.f64N/A

            \[\leadsto \color{blue}{\frac{t \cdot x + z \cdot \left(y - x\right)}{t}} \]
          2. lower-fma.f64N/A

            \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(t, x, z \cdot \left(y - x\right)\right)}}{t} \]
          3. *-commutativeN/A

            \[\leadsto \frac{\mathsf{fma}\left(t, x, \color{blue}{\left(y - x\right) \cdot z}\right)}{t} \]
          4. lower-*.f64N/A

            \[\leadsto \frac{\mathsf{fma}\left(t, x, \color{blue}{\left(y - x\right) \cdot z}\right)}{t} \]
          5. lower--.f6491.4

            \[\leadsto \frac{\mathsf{fma}\left(t, x, \color{blue}{\left(y - x\right)} \cdot z\right)}{t} \]
        5. Applied rewrites91.4%

          \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(t, x, \left(y - x\right) \cdot z\right)}{t}} \]
        6. Taylor expanded in t around inf

          \[\leadsto \frac{t \cdot x}{t} \]
        7. Step-by-step derivation
          1. Applied rewrites62.8%

            \[\leadsto \frac{t \cdot x}{t} \]
        8. Recombined 2 regimes into one program.
        9. Final simplification74.1%

          \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{\left(y - x\right) \cdot z}{t} + x \leq -2 \cdot 10^{+24}:\\ \;\;\;\;\left(y - x\right) \cdot \frac{z}{t}\\ \mathbf{elif}\;\frac{\left(y - x\right) \cdot z}{t} + x \leq 4 \cdot 10^{+157}:\\ \;\;\;\;\frac{x \cdot t}{t}\\ \mathbf{else}:\\ \;\;\;\;\left(y - x\right) \cdot \frac{z}{t}\\ \end{array} \]
        10. Add Preprocessing

        Alternative 4: 74.4% accurate, 0.7× speedup?

        \[\begin{array}{l} \\ \begin{array}{l} t_1 := x - \frac{x}{t} \cdot z\\ \mathbf{if}\;t \leq -3 \cdot 10^{-10}:\\ \;\;\;\;t\_1\\ \mathbf{elif}\;t \leq 7.2 \cdot 10^{+140}:\\ \;\;\;\;\left(y - x\right) \cdot \frac{z}{t}\\ \mathbf{else}:\\ \;\;\;\;t\_1\\ \end{array} \end{array} \]
        (FPCore (x y z t)
         :precision binary64
         (let* ((t_1 (- x (* (/ x t) z))))
           (if (<= t -3e-10) t_1 (if (<= t 7.2e+140) (* (- y x) (/ z t)) t_1))))
        double code(double x, double y, double z, double t) {
        	double t_1 = x - ((x / t) * z);
        	double tmp;
        	if (t <= -3e-10) {
        		tmp = t_1;
        	} else if (t <= 7.2e+140) {
        		tmp = (y - x) * (z / t);
        	} else {
        		tmp = t_1;
        	}
        	return tmp;
        }
        
        real(8) function code(x, y, z, t)
            real(8), intent (in) :: x
            real(8), intent (in) :: y
            real(8), intent (in) :: z
            real(8), intent (in) :: t
            real(8) :: t_1
            real(8) :: tmp
            t_1 = x - ((x / t) * z)
            if (t <= (-3d-10)) then
                tmp = t_1
            else if (t <= 7.2d+140) then
                tmp = (y - x) * (z / t)
            else
                tmp = t_1
            end if
            code = tmp
        end function
        
        public static double code(double x, double y, double z, double t) {
        	double t_1 = x - ((x / t) * z);
        	double tmp;
        	if (t <= -3e-10) {
        		tmp = t_1;
        	} else if (t <= 7.2e+140) {
        		tmp = (y - x) * (z / t);
        	} else {
        		tmp = t_1;
        	}
        	return tmp;
        }
        
        def code(x, y, z, t):
        	t_1 = x - ((x / t) * z)
        	tmp = 0
        	if t <= -3e-10:
        		tmp = t_1
        	elif t <= 7.2e+140:
        		tmp = (y - x) * (z / t)
        	else:
        		tmp = t_1
        	return tmp
        
        function code(x, y, z, t)
        	t_1 = Float64(x - Float64(Float64(x / t) * z))
        	tmp = 0.0
        	if (t <= -3e-10)
        		tmp = t_1;
        	elseif (t <= 7.2e+140)
        		tmp = Float64(Float64(y - x) * Float64(z / t));
        	else
        		tmp = t_1;
        	end
        	return tmp
        end
        
        function tmp_2 = code(x, y, z, t)
        	t_1 = x - ((x / t) * z);
        	tmp = 0.0;
        	if (t <= -3e-10)
        		tmp = t_1;
        	elseif (t <= 7.2e+140)
        		tmp = (y - x) * (z / t);
        	else
        		tmp = t_1;
        	end
        	tmp_2 = tmp;
        end
        
        code[x_, y_, z_, t_] := Block[{t$95$1 = N[(x - N[(N[(x / t), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -3e-10], t$95$1, If[LessEqual[t, 7.2e+140], N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision], t$95$1]]]
        
        \begin{array}{l}
        
        \\
        \begin{array}{l}
        t_1 := x - \frac{x}{t} \cdot z\\
        \mathbf{if}\;t \leq -3 \cdot 10^{-10}:\\
        \;\;\;\;t\_1\\
        
        \mathbf{elif}\;t \leq 7.2 \cdot 10^{+140}:\\
        \;\;\;\;\left(y - x\right) \cdot \frac{z}{t}\\
        
        \mathbf{else}:\\
        \;\;\;\;t\_1\\
        
        
        \end{array}
        \end{array}
        
        Derivation
        1. Split input into 2 regimes
        2. if t < -3e-10 or 7.1999999999999999e140 < t

          1. Initial program 85.4%

            \[x + \frac{\left(y - x\right) \cdot z}{t} \]
          2. Add Preprocessing
          3. Taylor expanded in y around 0

            \[\leadsto \color{blue}{x + -1 \cdot \frac{x \cdot z}{t}} \]
          4. Step-by-step derivation
            1. mul-1-negN/A

              \[\leadsto x + \color{blue}{\left(\mathsf{neg}\left(\frac{x \cdot z}{t}\right)\right)} \]
            2. unsub-negN/A

              \[\leadsto \color{blue}{x - \frac{x \cdot z}{t}} \]
            3. lower--.f64N/A

              \[\leadsto \color{blue}{x - \frac{x \cdot z}{t}} \]
            4. associate-*l/N/A

              \[\leadsto x - \color{blue}{\frac{x}{t} \cdot z} \]
            5. lower-*.f64N/A

              \[\leadsto x - \color{blue}{\frac{x}{t} \cdot z} \]
            6. lower-/.f6481.5

              \[\leadsto x - \color{blue}{\frac{x}{t}} \cdot z \]
          5. Applied rewrites81.5%

            \[\leadsto \color{blue}{x - \frac{x}{t} \cdot z} \]

          if -3e-10 < t < 7.1999999999999999e140

          1. Initial program 97.1%

            \[x + \frac{\left(y - x\right) \cdot z}{t} \]
          2. Add Preprocessing
          3. Taylor expanded in t around 0

            \[\leadsto \color{blue}{\frac{z \cdot \left(y - x\right)}{t}} \]
          4. Step-by-step derivation
            1. lower-/.f64N/A

              \[\leadsto \color{blue}{\frac{z \cdot \left(y - x\right)}{t}} \]
            2. *-commutativeN/A

              \[\leadsto \frac{\color{blue}{\left(y - x\right) \cdot z}}{t} \]
            3. lower-*.f64N/A

              \[\leadsto \frac{\color{blue}{\left(y - x\right) \cdot z}}{t} \]
            4. lower--.f6477.8

              \[\leadsto \frac{\color{blue}{\left(y - x\right)} \cdot z}{t} \]
          5. Applied rewrites77.8%

            \[\leadsto \color{blue}{\frac{\left(y - x\right) \cdot z}{t}} \]
          6. Step-by-step derivation
            1. Applied rewrites79.3%

              \[\leadsto \frac{z}{t} \cdot \color{blue}{\left(y - x\right)} \]
          7. Recombined 2 regimes into one program.
          8. Final simplification80.0%

            \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -3 \cdot 10^{-10}:\\ \;\;\;\;x - \frac{x}{t} \cdot z\\ \mathbf{elif}\;t \leq 7.2 \cdot 10^{+140}:\\ \;\;\;\;\left(y - x\right) \cdot \frac{z}{t}\\ \mathbf{else}:\\ \;\;\;\;x - \frac{x}{t} \cdot z\\ \end{array} \]
          9. Add Preprocessing

          Alternative 5: 50.2% accurate, 0.8× speedup?

          \[\begin{array}{l} \\ \begin{array}{l} t_1 := y \cdot \frac{z}{t}\\ \mathbf{if}\;y \leq -6.5 \cdot 10^{-48}:\\ \;\;\;\;t\_1\\ \mathbf{elif}\;y \leq 6.2 \cdot 10^{-42}:\\ \;\;\;\;\frac{x \cdot t}{t}\\ \mathbf{else}:\\ \;\;\;\;t\_1\\ \end{array} \end{array} \]
          (FPCore (x y z t)
           :precision binary64
           (let* ((t_1 (* y (/ z t))))
             (if (<= y -6.5e-48) t_1 (if (<= y 6.2e-42) (/ (* x t) t) t_1))))
          double code(double x, double y, double z, double t) {
          	double t_1 = y * (z / t);
          	double tmp;
          	if (y <= -6.5e-48) {
          		tmp = t_1;
          	} else if (y <= 6.2e-42) {
          		tmp = (x * t) / t;
          	} else {
          		tmp = t_1;
          	}
          	return tmp;
          }
          
          real(8) function code(x, y, z, t)
              real(8), intent (in) :: x
              real(8), intent (in) :: y
              real(8), intent (in) :: z
              real(8), intent (in) :: t
              real(8) :: t_1
              real(8) :: tmp
              t_1 = y * (z / t)
              if (y <= (-6.5d-48)) then
                  tmp = t_1
              else if (y <= 6.2d-42) then
                  tmp = (x * t) / t
              else
                  tmp = t_1
              end if
              code = tmp
          end function
          
          public static double code(double x, double y, double z, double t) {
          	double t_1 = y * (z / t);
          	double tmp;
          	if (y <= -6.5e-48) {
          		tmp = t_1;
          	} else if (y <= 6.2e-42) {
          		tmp = (x * t) / t;
          	} else {
          		tmp = t_1;
          	}
          	return tmp;
          }
          
          def code(x, y, z, t):
          	t_1 = y * (z / t)
          	tmp = 0
          	if y <= -6.5e-48:
          		tmp = t_1
          	elif y <= 6.2e-42:
          		tmp = (x * t) / t
          	else:
          		tmp = t_1
          	return tmp
          
          function code(x, y, z, t)
          	t_1 = Float64(y * Float64(z / t))
          	tmp = 0.0
          	if (y <= -6.5e-48)
          		tmp = t_1;
          	elseif (y <= 6.2e-42)
          		tmp = Float64(Float64(x * t) / t);
          	else
          		tmp = t_1;
          	end
          	return tmp
          end
          
          function tmp_2 = code(x, y, z, t)
          	t_1 = y * (z / t);
          	tmp = 0.0;
          	if (y <= -6.5e-48)
          		tmp = t_1;
          	elseif (y <= 6.2e-42)
          		tmp = (x * t) / t;
          	else
          		tmp = t_1;
          	end
          	tmp_2 = tmp;
          end
          
          code[x_, y_, z_, t_] := Block[{t$95$1 = N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[y, -6.5e-48], t$95$1, If[LessEqual[y, 6.2e-42], N[(N[(x * t), $MachinePrecision] / t), $MachinePrecision], t$95$1]]]
          
          \begin{array}{l}
          
          \\
          \begin{array}{l}
          t_1 := y \cdot \frac{z}{t}\\
          \mathbf{if}\;y \leq -6.5 \cdot 10^{-48}:\\
          \;\;\;\;t\_1\\
          
          \mathbf{elif}\;y \leq 6.2 \cdot 10^{-42}:\\
          \;\;\;\;\frac{x \cdot t}{t}\\
          
          \mathbf{else}:\\
          \;\;\;\;t\_1\\
          
          
          \end{array}
          \end{array}
          
          Derivation
          1. Split input into 2 regimes
          2. if y < -6.5e-48 or 6.2000000000000005e-42 < y

            1. Initial program 91.4%

              \[x + \frac{\left(y - x\right) \cdot z}{t} \]
            2. Add Preprocessing
            3. Step-by-step derivation
              1. lift-+.f64N/A

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

                \[\leadsto \color{blue}{\frac{\left(y - x\right) \cdot z}{t} + x} \]
              3. lift-/.f64N/A

                \[\leadsto \color{blue}{\frac{\left(y - x\right) \cdot z}{t}} + x \]
              4. lift-*.f64N/A

                \[\leadsto \frac{\color{blue}{\left(y - x\right) \cdot z}}{t} + x \]
              5. associate-/l*N/A

                \[\leadsto \color{blue}{\left(y - x\right) \cdot \frac{z}{t}} + x \]
              6. *-commutativeN/A

                \[\leadsto \color{blue}{\frac{z}{t} \cdot \left(y - x\right)} + x \]
              7. lower-fma.f64N/A

                \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{z}{t}, y - x, x\right)} \]
              8. lower-/.f6499.0

                \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{z}{t}}, y - x, x\right) \]
            4. Applied rewrites99.0%

              \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{z}{t}, y - x, x\right)} \]
            5. Taylor expanded in y around inf

              \[\leadsto \color{blue}{\frac{y \cdot z}{t}} \]
            6. Step-by-step derivation
              1. *-commutativeN/A

                \[\leadsto \frac{\color{blue}{z \cdot y}}{t} \]
              2. associate-*l/N/A

                \[\leadsto \color{blue}{\frac{z}{t} \cdot y} \]
              3. lower-*.f64N/A

                \[\leadsto \color{blue}{\frac{z}{t} \cdot y} \]
              4. lower-/.f6459.6

                \[\leadsto \color{blue}{\frac{z}{t}} \cdot y \]
            7. Applied rewrites59.6%

              \[\leadsto \color{blue}{\frac{z}{t} \cdot y} \]

            if -6.5e-48 < y < 6.2000000000000005e-42

            1. Initial program 96.2%

              \[x + \frac{\left(y - x\right) \cdot z}{t} \]
            2. Add Preprocessing
            3. Taylor expanded in t around 0

              \[\leadsto \color{blue}{\frac{t \cdot x + z \cdot \left(y - x\right)}{t}} \]
            4. Step-by-step derivation
              1. lower-/.f64N/A

                \[\leadsto \color{blue}{\frac{t \cdot x + z \cdot \left(y - x\right)}{t}} \]
              2. lower-fma.f64N/A

                \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(t, x, z \cdot \left(y - x\right)\right)}}{t} \]
              3. *-commutativeN/A

                \[\leadsto \frac{\mathsf{fma}\left(t, x, \color{blue}{\left(y - x\right) \cdot z}\right)}{t} \]
              4. lower-*.f64N/A

                \[\leadsto \frac{\mathsf{fma}\left(t, x, \color{blue}{\left(y - x\right) \cdot z}\right)}{t} \]
              5. lower--.f6490.5

                \[\leadsto \frac{\mathsf{fma}\left(t, x, \color{blue}{\left(y - x\right)} \cdot z\right)}{t} \]
            5. Applied rewrites90.5%

              \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(t, x, \left(y - x\right) \cdot z\right)}{t}} \]
            6. Taylor expanded in t around inf

              \[\leadsto \frac{t \cdot x}{t} \]
            7. Step-by-step derivation
              1. Applied rewrites50.3%

                \[\leadsto \frac{t \cdot x}{t} \]
            8. Recombined 2 regimes into one program.
            9. Final simplification55.9%

              \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -6.5 \cdot 10^{-48}:\\ \;\;\;\;y \cdot \frac{z}{t}\\ \mathbf{elif}\;y \leq 6.2 \cdot 10^{-42}:\\ \;\;\;\;\frac{x \cdot t}{t}\\ \mathbf{else}:\\ \;\;\;\;y \cdot \frac{z}{t}\\ \end{array} \]
            10. Add Preprocessing

            Alternative 6: 48.0% accurate, 0.8× speedup?

            \[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{y \cdot z}{t}\\ \mathbf{if}\;y \leq -6.5 \cdot 10^{-48}:\\ \;\;\;\;t\_1\\ \mathbf{elif}\;y \leq 1.4 \cdot 10^{-41}:\\ \;\;\;\;\frac{x \cdot t}{t}\\ \mathbf{else}:\\ \;\;\;\;t\_1\\ \end{array} \end{array} \]
            (FPCore (x y z t)
             :precision binary64
             (let* ((t_1 (/ (* y z) t)))
               (if (<= y -6.5e-48) t_1 (if (<= y 1.4e-41) (/ (* x t) t) t_1))))
            double code(double x, double y, double z, double t) {
            	double t_1 = (y * z) / t;
            	double tmp;
            	if (y <= -6.5e-48) {
            		tmp = t_1;
            	} else if (y <= 1.4e-41) {
            		tmp = (x * t) / t;
            	} else {
            		tmp = t_1;
            	}
            	return tmp;
            }
            
            real(8) function code(x, y, z, t)
                real(8), intent (in) :: x
                real(8), intent (in) :: y
                real(8), intent (in) :: z
                real(8), intent (in) :: t
                real(8) :: t_1
                real(8) :: tmp
                t_1 = (y * z) / t
                if (y <= (-6.5d-48)) then
                    tmp = t_1
                else if (y <= 1.4d-41) then
                    tmp = (x * t) / t
                else
                    tmp = t_1
                end if
                code = tmp
            end function
            
            public static double code(double x, double y, double z, double t) {
            	double t_1 = (y * z) / t;
            	double tmp;
            	if (y <= -6.5e-48) {
            		tmp = t_1;
            	} else if (y <= 1.4e-41) {
            		tmp = (x * t) / t;
            	} else {
            		tmp = t_1;
            	}
            	return tmp;
            }
            
            def code(x, y, z, t):
            	t_1 = (y * z) / t
            	tmp = 0
            	if y <= -6.5e-48:
            		tmp = t_1
            	elif y <= 1.4e-41:
            		tmp = (x * t) / t
            	else:
            		tmp = t_1
            	return tmp
            
            function code(x, y, z, t)
            	t_1 = Float64(Float64(y * z) / t)
            	tmp = 0.0
            	if (y <= -6.5e-48)
            		tmp = t_1;
            	elseif (y <= 1.4e-41)
            		tmp = Float64(Float64(x * t) / t);
            	else
            		tmp = t_1;
            	end
            	return tmp
            end
            
            function tmp_2 = code(x, y, z, t)
            	t_1 = (y * z) / t;
            	tmp = 0.0;
            	if (y <= -6.5e-48)
            		tmp = t_1;
            	elseif (y <= 1.4e-41)
            		tmp = (x * t) / t;
            	else
            		tmp = t_1;
            	end
            	tmp_2 = tmp;
            end
            
            code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(y * z), $MachinePrecision] / t), $MachinePrecision]}, If[LessEqual[y, -6.5e-48], t$95$1, If[LessEqual[y, 1.4e-41], N[(N[(x * t), $MachinePrecision] / t), $MachinePrecision], t$95$1]]]
            
            \begin{array}{l}
            
            \\
            \begin{array}{l}
            t_1 := \frac{y \cdot z}{t}\\
            \mathbf{if}\;y \leq -6.5 \cdot 10^{-48}:\\
            \;\;\;\;t\_1\\
            
            \mathbf{elif}\;y \leq 1.4 \cdot 10^{-41}:\\
            \;\;\;\;\frac{x \cdot t}{t}\\
            
            \mathbf{else}:\\
            \;\;\;\;t\_1\\
            
            
            \end{array}
            \end{array}
            
            Derivation
            1. Split input into 2 regimes
            2. if y < -6.5e-48 or 1.4000000000000001e-41 < y

              1. Initial program 91.4%

                \[x + \frac{\left(y - x\right) \cdot z}{t} \]
              2. Add Preprocessing
              3. Taylor expanded in y around inf

                \[\leadsto \color{blue}{\frac{y \cdot z}{t}} \]
              4. Step-by-step derivation
                1. associate-*l/N/A

                  \[\leadsto \color{blue}{\frac{y}{t} \cdot z} \]
                2. lower-*.f64N/A

                  \[\leadsto \color{blue}{\frac{y}{t} \cdot z} \]
                3. lower-/.f6452.3

                  \[\leadsto \color{blue}{\frac{y}{t}} \cdot z \]
              5. Applied rewrites52.3%

                \[\leadsto \color{blue}{\frac{y}{t} \cdot z} \]
              6. Step-by-step derivation
                1. Applied rewrites56.2%

                  \[\leadsto \frac{y \cdot z}{\color{blue}{t}} \]

                if -6.5e-48 < y < 1.4000000000000001e-41

                1. Initial program 96.2%

                  \[x + \frac{\left(y - x\right) \cdot z}{t} \]
                2. Add Preprocessing
                3. Taylor expanded in t around 0

                  \[\leadsto \color{blue}{\frac{t \cdot x + z \cdot \left(y - x\right)}{t}} \]
                4. Step-by-step derivation
                  1. lower-/.f64N/A

                    \[\leadsto \color{blue}{\frac{t \cdot x + z \cdot \left(y - x\right)}{t}} \]
                  2. lower-fma.f64N/A

                    \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(t, x, z \cdot \left(y - x\right)\right)}}{t} \]
                  3. *-commutativeN/A

                    \[\leadsto \frac{\mathsf{fma}\left(t, x, \color{blue}{\left(y - x\right) \cdot z}\right)}{t} \]
                  4. lower-*.f64N/A

                    \[\leadsto \frac{\mathsf{fma}\left(t, x, \color{blue}{\left(y - x\right) \cdot z}\right)}{t} \]
                  5. lower--.f6490.5

                    \[\leadsto \frac{\mathsf{fma}\left(t, x, \color{blue}{\left(y - x\right)} \cdot z\right)}{t} \]
                5. Applied rewrites90.5%

                  \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(t, x, \left(y - x\right) \cdot z\right)}{t}} \]
                6. Taylor expanded in t around inf

                  \[\leadsto \frac{t \cdot x}{t} \]
                7. Step-by-step derivation
                  1. Applied rewrites50.3%

                    \[\leadsto \frac{t \cdot x}{t} \]
                8. Recombined 2 regimes into one program.
                9. Final simplification53.8%

                  \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -6.5 \cdot 10^{-48}:\\ \;\;\;\;\frac{y \cdot z}{t}\\ \mathbf{elif}\;y \leq 1.4 \cdot 10^{-41}:\\ \;\;\;\;\frac{x \cdot t}{t}\\ \mathbf{else}:\\ \;\;\;\;\frac{y \cdot z}{t}\\ \end{array} \]
                10. Add Preprocessing

                Alternative 7: 48.1% accurate, 0.8× speedup?

                \[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{y}{t} \cdot z\\ \mathbf{if}\;y \leq -6.5 \cdot 10^{-48}:\\ \;\;\;\;t\_1\\ \mathbf{elif}\;y \leq 1.4 \cdot 10^{-41}:\\ \;\;\;\;\frac{x \cdot t}{t}\\ \mathbf{else}:\\ \;\;\;\;t\_1\\ \end{array} \end{array} \]
                (FPCore (x y z t)
                 :precision binary64
                 (let* ((t_1 (* (/ y t) z)))
                   (if (<= y -6.5e-48) t_1 (if (<= y 1.4e-41) (/ (* x t) t) t_1))))
                double code(double x, double y, double z, double t) {
                	double t_1 = (y / t) * z;
                	double tmp;
                	if (y <= -6.5e-48) {
                		tmp = t_1;
                	} else if (y <= 1.4e-41) {
                		tmp = (x * t) / t;
                	} else {
                		tmp = t_1;
                	}
                	return tmp;
                }
                
                real(8) function code(x, y, z, t)
                    real(8), intent (in) :: x
                    real(8), intent (in) :: y
                    real(8), intent (in) :: z
                    real(8), intent (in) :: t
                    real(8) :: t_1
                    real(8) :: tmp
                    t_1 = (y / t) * z
                    if (y <= (-6.5d-48)) then
                        tmp = t_1
                    else if (y <= 1.4d-41) then
                        tmp = (x * t) / t
                    else
                        tmp = t_1
                    end if
                    code = tmp
                end function
                
                public static double code(double x, double y, double z, double t) {
                	double t_1 = (y / t) * z;
                	double tmp;
                	if (y <= -6.5e-48) {
                		tmp = t_1;
                	} else if (y <= 1.4e-41) {
                		tmp = (x * t) / t;
                	} else {
                		tmp = t_1;
                	}
                	return tmp;
                }
                
                def code(x, y, z, t):
                	t_1 = (y / t) * z
                	tmp = 0
                	if y <= -6.5e-48:
                		tmp = t_1
                	elif y <= 1.4e-41:
                		tmp = (x * t) / t
                	else:
                		tmp = t_1
                	return tmp
                
                function code(x, y, z, t)
                	t_1 = Float64(Float64(y / t) * z)
                	tmp = 0.0
                	if (y <= -6.5e-48)
                		tmp = t_1;
                	elseif (y <= 1.4e-41)
                		tmp = Float64(Float64(x * t) / t);
                	else
                		tmp = t_1;
                	end
                	return tmp
                end
                
                function tmp_2 = code(x, y, z, t)
                	t_1 = (y / t) * z;
                	tmp = 0.0;
                	if (y <= -6.5e-48)
                		tmp = t_1;
                	elseif (y <= 1.4e-41)
                		tmp = (x * t) / t;
                	else
                		tmp = t_1;
                	end
                	tmp_2 = tmp;
                end
                
                code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(y / t), $MachinePrecision] * z), $MachinePrecision]}, If[LessEqual[y, -6.5e-48], t$95$1, If[LessEqual[y, 1.4e-41], N[(N[(x * t), $MachinePrecision] / t), $MachinePrecision], t$95$1]]]
                
                \begin{array}{l}
                
                \\
                \begin{array}{l}
                t_1 := \frac{y}{t} \cdot z\\
                \mathbf{if}\;y \leq -6.5 \cdot 10^{-48}:\\
                \;\;\;\;t\_1\\
                
                \mathbf{elif}\;y \leq 1.4 \cdot 10^{-41}:\\
                \;\;\;\;\frac{x \cdot t}{t}\\
                
                \mathbf{else}:\\
                \;\;\;\;t\_1\\
                
                
                \end{array}
                \end{array}
                
                Derivation
                1. Split input into 2 regimes
                2. if y < -6.5e-48 or 1.4000000000000001e-41 < y

                  1. Initial program 91.4%

                    \[x + \frac{\left(y - x\right) \cdot z}{t} \]
                  2. Add Preprocessing
                  3. Taylor expanded in y around inf

                    \[\leadsto \color{blue}{\frac{y \cdot z}{t}} \]
                  4. Step-by-step derivation
                    1. associate-*l/N/A

                      \[\leadsto \color{blue}{\frac{y}{t} \cdot z} \]
                    2. lower-*.f64N/A

                      \[\leadsto \color{blue}{\frac{y}{t} \cdot z} \]
                    3. lower-/.f6452.3

                      \[\leadsto \color{blue}{\frac{y}{t}} \cdot z \]
                  5. Applied rewrites52.3%

                    \[\leadsto \color{blue}{\frac{y}{t} \cdot z} \]

                  if -6.5e-48 < y < 1.4000000000000001e-41

                  1. Initial program 96.2%

                    \[x + \frac{\left(y - x\right) \cdot z}{t} \]
                  2. Add Preprocessing
                  3. Taylor expanded in t around 0

                    \[\leadsto \color{blue}{\frac{t \cdot x + z \cdot \left(y - x\right)}{t}} \]
                  4. Step-by-step derivation
                    1. lower-/.f64N/A

                      \[\leadsto \color{blue}{\frac{t \cdot x + z \cdot \left(y - x\right)}{t}} \]
                    2. lower-fma.f64N/A

                      \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(t, x, z \cdot \left(y - x\right)\right)}}{t} \]
                    3. *-commutativeN/A

                      \[\leadsto \frac{\mathsf{fma}\left(t, x, \color{blue}{\left(y - x\right) \cdot z}\right)}{t} \]
                    4. lower-*.f64N/A

                      \[\leadsto \frac{\mathsf{fma}\left(t, x, \color{blue}{\left(y - x\right) \cdot z}\right)}{t} \]
                    5. lower--.f6490.5

                      \[\leadsto \frac{\mathsf{fma}\left(t, x, \color{blue}{\left(y - x\right)} \cdot z\right)}{t} \]
                  5. Applied rewrites90.5%

                    \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(t, x, \left(y - x\right) \cdot z\right)}{t}} \]
                  6. Taylor expanded in t around inf

                    \[\leadsto \frac{t \cdot x}{t} \]
                  7. Step-by-step derivation
                    1. Applied rewrites50.3%

                      \[\leadsto \frac{t \cdot x}{t} \]
                  8. Recombined 2 regimes into one program.
                  9. Final simplification51.5%

                    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -6.5 \cdot 10^{-48}:\\ \;\;\;\;\frac{y}{t} \cdot z\\ \mathbf{elif}\;y \leq 1.4 \cdot 10^{-41}:\\ \;\;\;\;\frac{x \cdot t}{t}\\ \mathbf{else}:\\ \;\;\;\;\frac{y}{t} \cdot z\\ \end{array} \]
                  10. Add Preprocessing

                  Alternative 8: 38.4% accurate, 1.4× speedup?

                  \[\begin{array}{l} \\ \frac{y}{t} \cdot z \end{array} \]
                  (FPCore (x y z t) :precision binary64 (* (/ y t) z))
                  double code(double x, double y, double z, double t) {
                  	return (y / t) * z;
                  }
                  
                  real(8) function code(x, y, z, t)
                      real(8), intent (in) :: x
                      real(8), intent (in) :: y
                      real(8), intent (in) :: z
                      real(8), intent (in) :: t
                      code = (y / t) * z
                  end function
                  
                  public static double code(double x, double y, double z, double t) {
                  	return (y / t) * z;
                  }
                  
                  def code(x, y, z, t):
                  	return (y / t) * z
                  
                  function code(x, y, z, t)
                  	return Float64(Float64(y / t) * z)
                  end
                  
                  function tmp = code(x, y, z, t)
                  	tmp = (y / t) * z;
                  end
                  
                  code[x_, y_, z_, t_] := N[(N[(y / t), $MachinePrecision] * z), $MachinePrecision]
                  
                  \begin{array}{l}
                  
                  \\
                  \frac{y}{t} \cdot z
                  \end{array}
                  
                  Derivation
                  1. Initial program 93.3%

                    \[x + \frac{\left(y - x\right) \cdot z}{t} \]
                  2. Add Preprocessing
                  3. Taylor expanded in y around inf

                    \[\leadsto \color{blue}{\frac{y \cdot z}{t}} \]
                  4. Step-by-step derivation
                    1. associate-*l/N/A

                      \[\leadsto \color{blue}{\frac{y}{t} \cdot z} \]
                    2. lower-*.f64N/A

                      \[\leadsto \color{blue}{\frac{y}{t} \cdot z} \]
                    3. lower-/.f6435.4

                      \[\leadsto \color{blue}{\frac{y}{t}} \cdot z \]
                  5. Applied rewrites35.4%

                    \[\leadsto \color{blue}{\frac{y}{t} \cdot z} \]
                  6. Add Preprocessing

                  Developer Target 1: 97.7% accurate, 0.6× speedup?

                  \[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x < -9.025511195533005 \cdot 10^{-135}:\\ \;\;\;\;x - \frac{z}{t} \cdot \left(x - y\right)\\ \mathbf{elif}\;x < 4.275032163700715 \cdot 10^{-250}:\\ \;\;\;\;x + \frac{y - x}{t} \cdot z\\ \mathbf{else}:\\ \;\;\;\;x + \frac{y - x}{\frac{t}{z}}\\ \end{array} \end{array} \]
                  (FPCore (x y z t)
                   :precision binary64
                   (if (< x -9.025511195533005e-135)
                     (- x (* (/ z t) (- x y)))
                     (if (< x 4.275032163700715e-250)
                       (+ x (* (/ (- y x) t) z))
                       (+ x (/ (- y x) (/ t z))))))
                  double code(double x, double y, double z, double t) {
                  	double tmp;
                  	if (x < -9.025511195533005e-135) {
                  		tmp = x - ((z / t) * (x - y));
                  	} else if (x < 4.275032163700715e-250) {
                  		tmp = x + (((y - x) / t) * z);
                  	} else {
                  		tmp = x + ((y - x) / (t / z));
                  	}
                  	return tmp;
                  }
                  
                  real(8) function code(x, y, z, t)
                      real(8), intent (in) :: x
                      real(8), intent (in) :: y
                      real(8), intent (in) :: z
                      real(8), intent (in) :: t
                      real(8) :: tmp
                      if (x < (-9.025511195533005d-135)) then
                          tmp = x - ((z / t) * (x - y))
                      else if (x < 4.275032163700715d-250) then
                          tmp = x + (((y - x) / t) * z)
                      else
                          tmp = x + ((y - x) / (t / z))
                      end if
                      code = tmp
                  end function
                  
                  public static double code(double x, double y, double z, double t) {
                  	double tmp;
                  	if (x < -9.025511195533005e-135) {
                  		tmp = x - ((z / t) * (x - y));
                  	} else if (x < 4.275032163700715e-250) {
                  		tmp = x + (((y - x) / t) * z);
                  	} else {
                  		tmp = x + ((y - x) / (t / z));
                  	}
                  	return tmp;
                  }
                  
                  def code(x, y, z, t):
                  	tmp = 0
                  	if x < -9.025511195533005e-135:
                  		tmp = x - ((z / t) * (x - y))
                  	elif x < 4.275032163700715e-250:
                  		tmp = x + (((y - x) / t) * z)
                  	else:
                  		tmp = x + ((y - x) / (t / z))
                  	return tmp
                  
                  function code(x, y, z, t)
                  	tmp = 0.0
                  	if (x < -9.025511195533005e-135)
                  		tmp = Float64(x - Float64(Float64(z / t) * Float64(x - y)));
                  	elseif (x < 4.275032163700715e-250)
                  		tmp = Float64(x + Float64(Float64(Float64(y - x) / t) * z));
                  	else
                  		tmp = Float64(x + Float64(Float64(y - x) / Float64(t / z)));
                  	end
                  	return tmp
                  end
                  
                  function tmp_2 = code(x, y, z, t)
                  	tmp = 0.0;
                  	if (x < -9.025511195533005e-135)
                  		tmp = x - ((z / t) * (x - y));
                  	elseif (x < 4.275032163700715e-250)
                  		tmp = x + (((y - x) / t) * z);
                  	else
                  		tmp = x + ((y - x) / (t / z));
                  	end
                  	tmp_2 = tmp;
                  end
                  
                  code[x_, y_, z_, t_] := If[Less[x, -9.025511195533005e-135], N[(x - N[(N[(z / t), $MachinePrecision] * N[(x - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[Less[x, 4.275032163700715e-250], N[(x + N[(N[(N[(y - x), $MachinePrecision] / t), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision], N[(x + N[(N[(y - x), $MachinePrecision] / N[(t / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
                  
                  \begin{array}{l}
                  
                  \\
                  \begin{array}{l}
                  \mathbf{if}\;x < -9.025511195533005 \cdot 10^{-135}:\\
                  \;\;\;\;x - \frac{z}{t} \cdot \left(x - y\right)\\
                  
                  \mathbf{elif}\;x < 4.275032163700715 \cdot 10^{-250}:\\
                  \;\;\;\;x + \frac{y - x}{t} \cdot z\\
                  
                  \mathbf{else}:\\
                  \;\;\;\;x + \frac{y - x}{\frac{t}{z}}\\
                  
                  
                  \end{array}
                  \end{array}
                  

                  Reproduce

                  ?
                  herbie shell --seed 2024277 
                  (FPCore (x y z t)
                    :name "Numeric.Histogram:binBounds from Chart-1.5.3"
                    :precision binary64
                  
                    :alt
                    (! :herbie-platform default (if (< x -1805102239106601/200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (- x (* (/ z t) (- x y))) (if (< x 855006432740143/2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (+ x (* (/ (- y x) t) z)) (+ x (/ (- y x) (/ t z))))))
                  
                    (+ x (/ (* (- y x) z) t)))