Graphics.Rendering.Chart.SparkLine:renderSparkLine from Chart-1.5.3

Percentage Accurate: 96.8% → 99.7%

Time: 3.9s

Alternatives: 12

Speedup: 1.1×

Specification

Math

\[\begin{array}{l} \\ x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \end{array} \]

FPCore

(FPCore (x y z t a)
 :precision binary64
 (- x (/ (- y z) (/ (+ (- t z) 1.0) a))))

C

double code(double x, double y, double z, double t, double a) {
	return x - ((y - z) / (((t - z) + 1.0) / a));
}

Fortran

module fmin_fmax_functions
    implicit none
    private
    public fmax
    public fmin

    interface fmax
        module procedure fmax88
        module procedure fmax44
        module procedure fmax84
        module procedure fmax48
    end interface
    interface fmin
        module procedure fmin88
        module procedure fmin44
        module procedure fmin84
        module procedure fmin48
    end interface
contains
    real(8) function fmax88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(4) function fmax44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(8) function fmax84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmax48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
    end function
    real(8) function fmin88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(4) function fmin44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(8) function fmin84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmin48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
    end function
end module

real(8) function code(x, y, z, t, a)
use fmin_fmax_functions
    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
    code = x - ((y - z) / (((t - z) + 1.0d0) / a))
end function

Java

public static double code(double x, double y, double z, double t, double a) {
	return x - ((y - z) / (((t - z) + 1.0) / a));
}

Python

def code(x, y, z, t, a):
	return x - ((y - z) / (((t - z) + 1.0) / a))

Julia

function code(x, y, z, t, a)
	return Float64(x - Float64(Float64(y - z) / Float64(Float64(Float64(t - z) + 1.0) / a)))
end

MATLAB

function tmp = code(x, y, z, t, a)
	tmp = x - ((y - z) / (((t - z) + 1.0) / a));
end

Wolfram

code[x_, y_, z_, t_, a_] := N[(x - N[(N[(y - z), $MachinePrecision] / N[(N[(N[(t - z), $MachinePrecision] + 1.0), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]

Initial Program: 96.8% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \end{array} \]

FPCore

(FPCore (x y z t a)
 :precision binary64
 (- x (/ (- y z) (/ (+ (- t z) 1.0) a))))

C

double code(double x, double y, double z, double t, double a) {
	return x - ((y - z) / (((t - z) + 1.0) / a));
}

Fortran

module fmin_fmax_functions
    implicit none
    private
    public fmax
    public fmin

    interface fmax
        module procedure fmax88
        module procedure fmax44
        module procedure fmax84
        module procedure fmax48
    end interface
    interface fmin
        module procedure fmin88
        module procedure fmin44
        module procedure fmin84
        module procedure fmin48
    end interface
contains
    real(8) function fmax88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(4) function fmax44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(8) function fmax84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmax48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
    end function
    real(8) function fmin88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(4) function fmin44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(8) function fmin84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmin48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
    end function
end module

real(8) function code(x, y, z, t, a)
use fmin_fmax_functions
    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
    code = x - ((y - z) / (((t - z) + 1.0d0) / a))
end function

Java

public static double code(double x, double y, double z, double t, double a) {
	return x - ((y - z) / (((t - z) + 1.0) / a));
}

Python

def code(x, y, z, t, a):
	return x - ((y - z) / (((t - z) + 1.0) / a))

Julia

function code(x, y, z, t, a)
	return Float64(x - Float64(Float64(y - z) / Float64(Float64(Float64(t - z) + 1.0) / a)))
end

MATLAB

function tmp = code(x, y, z, t, a)
	tmp = x - ((y - z) / (((t - z) + 1.0) / a));
end

Wolfram

code[x_, y_, z_, t_, a_] := N[(x - N[(N[(y - z), $MachinePrecision] / N[(N[(N[(t - z), $MachinePrecision] + 1.0), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]

Alternative 1: 99.7% accurate, 1.1× speedup

Math

\[\begin{array}{l} \\ \mathsf{fma}\left(\frac{y - z}{-1 - \left(t - z\right)}, a, x\right) \end{array} \]

FPCore

(FPCore (x y z t a) :precision binary64 (fma (/ (- y z) (- -1.0 (- t z))) a x))

C

double code(double x, double y, double z, double t, double a) {
	return fma(((y - z) / (-1.0 - (t - z))), a, x);
}

Julia

function code(x, y, z, t, a)
	return fma(Float64(Float64(y - z) / Float64(-1.0 - Float64(t - z))), a, x)
end

Wolfram

code[x_, y_, z_, t_, a_] := N[(N[(N[(y - z), $MachinePrecision] / N[(-1.0 - N[(t - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * a + x), $MachinePrecision]

Derivation

1. Initial program 96.8%

   \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]
2. Step-by-step derivation

   1. lift-/.f64 N/A

      \[\leadsto x - \color{blue}{\frac{y - z}{\frac{\left(t - z\right) + 1}{a}}} \]

   2. lift-/.f64 N/A

      \[\leadsto x - \frac{y - z}{\color{blue}{\frac{\left(t - z\right) + 1}{a}}} \]

   3. associate-/r/ N/A

      \[\leadsto x - \color{blue}{\frac{y - z}{\left(t - z\right) + 1} \cdot a} \]

   4. lower-*.f64 N/A

      \[\leadsto x - \color{blue}{\frac{y - z}{\left(t - z\right) + 1} \cdot a} \]

   5. frac-2neg N/A

      \[\leadsto x - \color{blue}{\frac{\mathsf{neg}\left(\left(y - z\right)\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)}} \cdot a \]

   6. lower-/.f64 N/A

      \[\leadsto x - \color{blue}{\frac{\mathsf{neg}\left(\left(y - z\right)\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)}} \cdot a \]

   7. lift--.f64 N/A

      \[\leadsto x - \frac{\mathsf{neg}\left(\color{blue}{\left(y - z\right)}\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

   8. sub-negate-rev N/A

      \[\leadsto x - \frac{\color{blue}{z - y}}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

   9. lower--.f64 N/A

      \[\leadsto x - \frac{\color{blue}{z - y}}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

   10. lift-+.f64 N/A

       \[\leadsto x - \frac{z - y}{\mathsf{neg}\left(\color{blue}{\left(\left(t - z\right) + 1\right)}\right)} \cdot a \]

   11. add-flip N/A

       \[\leadsto x - \frac{z - y}{\mathsf{neg}\left(\color{blue}{\left(\left(t - z\right) - \left(\mathsf{neg}\left(1\right)\right)\right)}\right)} \cdot a \]

   12. sub-negate N/A

       \[\leadsto x - \frac{z - y}{\color{blue}{\left(\mathsf{neg}\left(1\right)\right) - \left(t - z\right)}} \cdot a \]

   13. lower--.f64 N/A

       \[\leadsto x - \frac{z - y}{\color{blue}{\left(\mathsf{neg}\left(1\right)\right) - \left(t - z\right)}} \cdot a \]

   14. metadata-eval 99.7

       \[\leadsto x - \frac{z - y}{\color{blue}{-1} - \left(t - z\right)} \cdot a \]

3. Applied rewrites 99.7%

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

   1. lift--.f64 N/A

      \[\leadsto \color{blue}{x - \frac{z - y}{-1 - \left(t - z\right)} \cdot a} \]

   2. sub-flip N/A

      \[\leadsto \color{blue}{x + \left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)} \cdot a\right)\right)} \]

   3. +-commutative N/A

      \[\leadsto \color{blue}{\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)} \cdot a\right)\right) + x} \]

   4. lift-*.f64 N/A

      \[\leadsto \left(\mathsf{neg}\left(\color{blue}{\frac{z - y}{-1 - \left(t - z\right)} \cdot a}\right)\right) + x \]

   5. distribute-lft-neg-out N/A

      \[\leadsto \color{blue}{\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)}\right)\right) \cdot a} + x \]

   6. lower-fma.f64 N/A

      \[\leadsto \color{blue}{\mathsf{fma}\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)}\right), a, x\right)} \]

   7. lift-/.f64 N/A

      \[\leadsto \mathsf{fma}\left(\mathsf{neg}\left(\color{blue}{\frac{z - y}{-1 - \left(t - z\right)}}\right), a, x\right) \]

   8. distribute-neg-frac N/A

      \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{\mathsf{neg}\left(\left(z - y\right)\right)}{-1 - \left(t - z\right)}}, a, x\right) \]

   9. lift--.f64 N/A

      \[\leadsto \mathsf{fma}\left(\frac{\mathsf{neg}\left(\color{blue}{\left(z - y\right)}\right)}{-1 - \left(t - z\right)}, a, x\right) \]

   10. sub-negate-rev N/A

       \[\leadsto \mathsf{fma}\left(\frac{\color{blue}{y - z}}{-1 - \left(t - z\right)}, a, x\right) \]

   11. lift--.f64 N/A

       \[\leadsto \mathsf{fma}\left(\frac{\color{blue}{y - z}}{-1 - \left(t - z\right)}, a, x\right) \]

   12. lower-/.f64 99.7

       \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{y - z}{-1 - \left(t - z\right)}}, a, x\right) \]

5. Applied rewrites 99.7%

   \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{y - z}{-1 - \left(t - z\right)}, a, x\right)} \]
6. Add Preprocessing

Alternative 2: 97.3% accurate, 0.9× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;z \leq 1.35 \cdot 10^{+147}:\\ \;\;\;\;\mathsf{fma}\left(z - y, \frac{a}{\left(t - z\right) - -1}, x\right)\\ \mathbf{else}:\\ \;\;\;\;\mathsf{fma}\left(\frac{y - z}{z - 1}, a, x\right)\\ \end{array} \end{array} \]

FPCore

(FPCore (x y z t a)
 :precision binary64
 (if (<= z 1.35e+147)
   (fma (- z y) (/ a (- (- t z) -1.0)) x)
   (fma (/ (- y z) (- z 1.0)) a x)))

C

double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (z <= 1.35e+147) {
		tmp = fma((z - y), (a / ((t - z) - -1.0)), x);
	} else {
		tmp = fma(((y - z) / (z - 1.0)), a, x);
	}
	return tmp;
}

Julia

function code(x, y, z, t, a)
	tmp = 0.0
	if (z <= 1.35e+147)
		tmp = fma(Float64(z - y), Float64(a / Float64(Float64(t - z) - -1.0)), x);
	else
		tmp = fma(Float64(Float64(y - z) / Float64(z - 1.0)), a, x);
	end
	return tmp
end

Wolfram

code[x_, y_, z_, t_, a_] := If[LessEqual[z, 1.35e+147], N[(N[(z - y), $MachinePrecision] * N[(a / N[(N[(t - z), $MachinePrecision] - -1.0), $MachinePrecision]), $MachinePrecision] + x), $MachinePrecision], N[(N[(N[(y - z), $MachinePrecision] / N[(z - 1.0), $MachinePrecision]), $MachinePrecision] * a + x), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if z < 1.34999999999999999e147

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]
   2. Step-by-step derivation

      1. lift--.f64 N/A

         \[\leadsto \color{blue}{x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}}} \]

      2. sub-flip N/A

         \[\leadsto \color{blue}{x + \left(\mathsf{neg}\left(\frac{y - z}{\frac{\left(t - z\right) + 1}{a}}\right)\right)} \]

      3. +-commutative N/A

         \[\leadsto \color{blue}{\left(\mathsf{neg}\left(\frac{y - z}{\frac{\left(t - z\right) + 1}{a}}\right)\right) + x} \]

      4. lift-/.f64 N/A

         \[\leadsto \left(\mathsf{neg}\left(\color{blue}{\frac{y - z}{\frac{\left(t - z\right) + 1}{a}}}\right)\right) + x \]

      5. mult-flip-rev N/A

         \[\leadsto \left(\mathsf{neg}\left(\color{blue}{\left(y - z\right) \cdot \frac{1}{\frac{\left(t - z\right) + 1}{a}}}\right)\right) + x \]

      6. lift-/.f64 N/A

         \[\leadsto \left(\mathsf{neg}\left(\left(y - z\right) \cdot \frac{1}{\color{blue}{\frac{\left(t - z\right) + 1}{a}}}\right)\right) + x \]

      7. div-flip-rev N/A

         \[\leadsto \left(\mathsf{neg}\left(\left(y - z\right) \cdot \color{blue}{\frac{a}{\left(t - z\right) + 1}}\right)\right) + x \]

      8. distribute-lft-neg-in N/A

         \[\leadsto \color{blue}{\left(\mathsf{neg}\left(\left(y - z\right)\right)\right) \cdot \frac{a}{\left(t - z\right) + 1}} + x \]

      9. lower-fma.f64 N/A

         \[\leadsto \color{blue}{\mathsf{fma}\left(\mathsf{neg}\left(\left(y - z\right)\right), \frac{a}{\left(t - z\right) + 1}, x\right)} \]

      10. lift--.f64 N/A

          \[\leadsto \mathsf{fma}\left(\mathsf{neg}\left(\color{blue}{\left(y - z\right)}\right), \frac{a}{\left(t - z\right) + 1}, x\right) \]

      11. sub-negate-rev N/A

          \[\leadsto \mathsf{fma}\left(\color{blue}{z - y}, \frac{a}{\left(t - z\right) + 1}, x\right) \]

      12. lower--.f64 N/A

          \[\leadsto \mathsf{fma}\left(\color{blue}{z - y}, \frac{a}{\left(t - z\right) + 1}, x\right) \]

      13. lower-/.f64 97.2

          \[\leadsto \mathsf{fma}\left(z - y, \color{blue}{\frac{a}{\left(t - z\right) + 1}}, x\right) \]

      14. lift-+.f64 N/A

          \[\leadsto \mathsf{fma}\left(z - y, \frac{a}{\color{blue}{\left(t - z\right) + 1}}, x\right) \]

      15. add-flip N/A

          \[\leadsto \mathsf{fma}\left(z - y, \frac{a}{\color{blue}{\left(t - z\right) - \left(\mathsf{neg}\left(1\right)\right)}}, x\right) \]

      16. lower--.f64 N/A

          \[\leadsto \mathsf{fma}\left(z - y, \frac{a}{\color{blue}{\left(t - z\right) - \left(\mathsf{neg}\left(1\right)\right)}}, x\right) \]

      17. metadata-eval 97.2

          \[\leadsto \mathsf{fma}\left(z - y, \frac{a}{\left(t - z\right) - \color{blue}{-1}}, x\right) \]

   3. Applied rewrites 97.2%

      \[\leadsto \color{blue}{\mathsf{fma}\left(z - y, \frac{a}{\left(t - z\right) - -1}, x\right)} \]

   if 1.34999999999999999e147 < z

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]
   2. Step-by-step derivation

      1. lift-/.f64 N/A

         \[\leadsto x - \color{blue}{\frac{y - z}{\frac{\left(t - z\right) + 1}{a}}} \]

      2. lift-/.f64 N/A

         \[\leadsto x - \frac{y - z}{\color{blue}{\frac{\left(t - z\right) + 1}{a}}} \]

      3. associate-/r/ N/A

         \[\leadsto x - \color{blue}{\frac{y - z}{\left(t - z\right) + 1} \cdot a} \]

      4. lower-*.f64 N/A

         \[\leadsto x - \color{blue}{\frac{y - z}{\left(t - z\right) + 1} \cdot a} \]

      5. frac-2neg N/A

         \[\leadsto x - \color{blue}{\frac{\mathsf{neg}\left(\left(y - z\right)\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)}} \cdot a \]

      6. lower-/.f64 N/A

         \[\leadsto x - \color{blue}{\frac{\mathsf{neg}\left(\left(y - z\right)\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)}} \cdot a \]

      7. lift--.f64 N/A

         \[\leadsto x - \frac{\mathsf{neg}\left(\color{blue}{\left(y - z\right)}\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

      8. sub-negate-rev N/A

         \[\leadsto x - \frac{\color{blue}{z - y}}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

      9. lower--.f64 N/A

         \[\leadsto x - \frac{\color{blue}{z - y}}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

      10. lift-+.f64 N/A

          \[\leadsto x - \frac{z - y}{\mathsf{neg}\left(\color{blue}{\left(\left(t - z\right) + 1\right)}\right)} \cdot a \]

      11. add-flip N/A

          \[\leadsto x - \frac{z - y}{\mathsf{neg}\left(\color{blue}{\left(\left(t - z\right) - \left(\mathsf{neg}\left(1\right)\right)\right)}\right)} \cdot a \]

      12. sub-negate N/A

          \[\leadsto x - \frac{z - y}{\color{blue}{\left(\mathsf{neg}\left(1\right)\right) - \left(t - z\right)}} \cdot a \]

      13. lower--.f64 N/A

          \[\leadsto x - \frac{z - y}{\color{blue}{\left(\mathsf{neg}\left(1\right)\right) - \left(t - z\right)}} \cdot a \]

      14. metadata-eval 99.7

          \[\leadsto x - \frac{z - y}{\color{blue}{-1} - \left(t - z\right)} \cdot a \]

   3. Applied rewrites 99.7%

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

      1. lift--.f64 N/A

         \[\leadsto \color{blue}{x - \frac{z - y}{-1 - \left(t - z\right)} \cdot a} \]

      2. sub-flip N/A

         \[\leadsto \color{blue}{x + \left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)} \cdot a\right)\right)} \]

      3. +-commutative N/A

         \[\leadsto \color{blue}{\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)} \cdot a\right)\right) + x} \]

      4. lift-*.f64 N/A

         \[\leadsto \left(\mathsf{neg}\left(\color{blue}{\frac{z - y}{-1 - \left(t - z\right)} \cdot a}\right)\right) + x \]

      5. distribute-lft-neg-out N/A

         \[\leadsto \color{blue}{\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)}\right)\right) \cdot a} + x \]

      6. lower-fma.f64 N/A

         \[\leadsto \color{blue}{\mathsf{fma}\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)}\right), a, x\right)} \]

      7. lift-/.f64 N/A

         \[\leadsto \mathsf{fma}\left(\mathsf{neg}\left(\color{blue}{\frac{z - y}{-1 - \left(t - z\right)}}\right), a, x\right) \]

      8. distribute-neg-frac N/A

         \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{\mathsf{neg}\left(\left(z - y\right)\right)}{-1 - \left(t - z\right)}}, a, x\right) \]

      9. lift--.f64 N/A

         \[\leadsto \mathsf{fma}\left(\frac{\mathsf{neg}\left(\color{blue}{\left(z - y\right)}\right)}{-1 - \left(t - z\right)}, a, x\right) \]

      10. sub-negate-rev N/A

          \[\leadsto \mathsf{fma}\left(\frac{\color{blue}{y - z}}{-1 - \left(t - z\right)}, a, x\right) \]

      11. lift--.f64 N/A

          \[\leadsto \mathsf{fma}\left(\frac{\color{blue}{y - z}}{-1 - \left(t - z\right)}, a, x\right) \]

      12. lower-/.f64 99.7

          \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{y - z}{-1 - \left(t - z\right)}}, a, x\right) \]

   5. Applied rewrites 99.7%

      \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{y - z}{-1 - \left(t - z\right)}, a, x\right)} \]

   6. Taylor expanded in t around 0

      \[\leadsto \mathsf{fma}\left(\frac{y - z}{\color{blue}{z - 1}}, a, x\right) \]
   7. Step-by-step derivation

      1. lower--.f64 79.8

         \[\leadsto \mathsf{fma}\left(\frac{y - z}{z - \color{blue}{1}}, a, x\right) \]

   8. Applied rewrites 79.8%

      \[\leadsto \mathsf{fma}\left(\frac{y - z}{\color{blue}{z - 1}}, a, x\right) \]
3. Recombined 2 regimes into one program.
4. Add Preprocessing

Alternative 3: 92.7% accurate, 0.8× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \mathsf{fma}\left(\frac{y - z}{z - 1}, a, x\right)\\ \mathbf{if}\;z \leq -3.5 \cdot 10^{+30}:\\ \;\;\;\;t\_1\\ \mathbf{elif}\;z \leq 8 \cdot 10^{-6}:\\ \;\;\;\;\mathsf{fma}\left(\frac{y - z}{-1 - t}, a, x\right)\\ \mathbf{else}:\\ \;\;\;\;t\_1\\ \end{array} \end{array} \]

FPCore

(FPCore (x y z t a)
 :precision binary64
 (let* ((t_1 (fma (/ (- y z) (- z 1.0)) a x)))
   (if (<= z -3.5e+30)
     t_1
     (if (<= z 8e-6) (fma (/ (- y z) (- -1.0 t)) a x) t_1))))

C

double code(double x, double y, double z, double t, double a) {
	double t_1 = fma(((y - z) / (z - 1.0)), a, x);
	double tmp;
	if (z <= -3.5e+30) {
		tmp = t_1;
	} else if (z <= 8e-6) {
		tmp = fma(((y - z) / (-1.0 - t)), a, x);
	} else {
		tmp = t_1;
	}
	return tmp;
}

Julia

function code(x, y, z, t, a)
	t_1 = fma(Float64(Float64(y - z) / Float64(z - 1.0)), a, x)
	tmp = 0.0
	if (z <= -3.5e+30)
		tmp = t_1;
	elseif (z <= 8e-6)
		tmp = fma(Float64(Float64(y - z) / Float64(-1.0 - t)), a, x);
	else
		tmp = t_1;
	end
	return tmp
end

Wolfram

code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(N[(y - z), $MachinePrecision] / N[(z - 1.0), $MachinePrecision]), $MachinePrecision] * a + x), $MachinePrecision]}, If[LessEqual[z, -3.5e+30], t$95$1, If[LessEqual[z, 8e-6], N[(N[(N[(y - z), $MachinePrecision] / N[(-1.0 - t), $MachinePrecision]), $MachinePrecision] * a + x), $MachinePrecision], t$95$1]]]

Derivation

1. Split input into 2 regimes

2. if z < -3.50000000000000021e30 or 7.99999999999999964e-6 < z

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]
   2. Step-by-step derivation

      1. lift-/.f64 N/A

         \[\leadsto x - \color{blue}{\frac{y - z}{\frac{\left(t - z\right) + 1}{a}}} \]

      2. lift-/.f64 N/A

         \[\leadsto x - \frac{y - z}{\color{blue}{\frac{\left(t - z\right) + 1}{a}}} \]

      3. associate-/r/ N/A

         \[\leadsto x - \color{blue}{\frac{y - z}{\left(t - z\right) + 1} \cdot a} \]

      4. lower-*.f64 N/A

         \[\leadsto x - \color{blue}{\frac{y - z}{\left(t - z\right) + 1} \cdot a} \]

      5. frac-2neg N/A

         \[\leadsto x - \color{blue}{\frac{\mathsf{neg}\left(\left(y - z\right)\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)}} \cdot a \]

      6. lower-/.f64 N/A

         \[\leadsto x - \color{blue}{\frac{\mathsf{neg}\left(\left(y - z\right)\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)}} \cdot a \]

      7. lift--.f64 N/A

         \[\leadsto x - \frac{\mathsf{neg}\left(\color{blue}{\left(y - z\right)}\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

      8. sub-negate-rev N/A

         \[\leadsto x - \frac{\color{blue}{z - y}}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

      9. lower--.f64 N/A

         \[\leadsto x - \frac{\color{blue}{z - y}}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

      10. lift-+.f64 N/A

          \[\leadsto x - \frac{z - y}{\mathsf{neg}\left(\color{blue}{\left(\left(t - z\right) + 1\right)}\right)} \cdot a \]

      11. add-flip N/A

          \[\leadsto x - \frac{z - y}{\mathsf{neg}\left(\color{blue}{\left(\left(t - z\right) - \left(\mathsf{neg}\left(1\right)\right)\right)}\right)} \cdot a \]

      12. sub-negate N/A

          \[\leadsto x - \frac{z - y}{\color{blue}{\left(\mathsf{neg}\left(1\right)\right) - \left(t - z\right)}} \cdot a \]

      13. lower--.f64 N/A

          \[\leadsto x - \frac{z - y}{\color{blue}{\left(\mathsf{neg}\left(1\right)\right) - \left(t - z\right)}} \cdot a \]

      14. metadata-eval 99.7

          \[\leadsto x - \frac{z - y}{\color{blue}{-1} - \left(t - z\right)} \cdot a \]

   3. Applied rewrites 99.7%

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

      1. lift--.f64 N/A

         \[\leadsto \color{blue}{x - \frac{z - y}{-1 - \left(t - z\right)} \cdot a} \]

      2. sub-flip N/A

         \[\leadsto \color{blue}{x + \left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)} \cdot a\right)\right)} \]

      3. +-commutative N/A

         \[\leadsto \color{blue}{\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)} \cdot a\right)\right) + x} \]

      4. lift-*.f64 N/A

         \[\leadsto \left(\mathsf{neg}\left(\color{blue}{\frac{z - y}{-1 - \left(t - z\right)} \cdot a}\right)\right) + x \]

      5. distribute-lft-neg-out N/A

         \[\leadsto \color{blue}{\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)}\right)\right) \cdot a} + x \]

      6. lower-fma.f64 N/A

         \[\leadsto \color{blue}{\mathsf{fma}\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)}\right), a, x\right)} \]

      7. lift-/.f64 N/A

         \[\leadsto \mathsf{fma}\left(\mathsf{neg}\left(\color{blue}{\frac{z - y}{-1 - \left(t - z\right)}}\right), a, x\right) \]

      8. distribute-neg-frac N/A

         \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{\mathsf{neg}\left(\left(z - y\right)\right)}{-1 - \left(t - z\right)}}, a, x\right) \]

      9. lift--.f64 N/A

         \[\leadsto \mathsf{fma}\left(\frac{\mathsf{neg}\left(\color{blue}{\left(z - y\right)}\right)}{-1 - \left(t - z\right)}, a, x\right) \]

      10. sub-negate-rev N/A

          \[\leadsto \mathsf{fma}\left(\frac{\color{blue}{y - z}}{-1 - \left(t - z\right)}, a, x\right) \]

      11. lift--.f64 N/A

          \[\leadsto \mathsf{fma}\left(\frac{\color{blue}{y - z}}{-1 - \left(t - z\right)}, a, x\right) \]

      12. lower-/.f64 99.7

          \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{y - z}{-1 - \left(t - z\right)}}, a, x\right) \]

   5. Applied rewrites 99.7%

      \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{y - z}{-1 - \left(t - z\right)}, a, x\right)} \]

   6. Taylor expanded in t around 0

      \[\leadsto \mathsf{fma}\left(\frac{y - z}{\color{blue}{z - 1}}, a, x\right) \]
   7. Step-by-step derivation

      1. lower--.f64 79.8

         \[\leadsto \mathsf{fma}\left(\frac{y - z}{z - \color{blue}{1}}, a, x\right) \]

   8. Applied rewrites 79.8%

      \[\leadsto \mathsf{fma}\left(\frac{y - z}{\color{blue}{z - 1}}, a, x\right) \]

   if -3.50000000000000021e30 < z < 7.99999999999999964e-6

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]
   2. Step-by-step derivation

      1. lift-/.f64 N/A

         \[\leadsto x - \color{blue}{\frac{y - z}{\frac{\left(t - z\right) + 1}{a}}} \]

      2. lift-/.f64 N/A

         \[\leadsto x - \frac{y - z}{\color{blue}{\frac{\left(t - z\right) + 1}{a}}} \]

      3. associate-/r/ N/A

         \[\leadsto x - \color{blue}{\frac{y - z}{\left(t - z\right) + 1} \cdot a} \]

      4. lower-*.f64 N/A

         \[\leadsto x - \color{blue}{\frac{y - z}{\left(t - z\right) + 1} \cdot a} \]

      5. frac-2neg N/A

         \[\leadsto x - \color{blue}{\frac{\mathsf{neg}\left(\left(y - z\right)\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)}} \cdot a \]

      6. lower-/.f64 N/A

         \[\leadsto x - \color{blue}{\frac{\mathsf{neg}\left(\left(y - z\right)\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)}} \cdot a \]

      7. lift--.f64 N/A

         \[\leadsto x - \frac{\mathsf{neg}\left(\color{blue}{\left(y - z\right)}\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

      8. sub-negate-rev N/A

         \[\leadsto x - \frac{\color{blue}{z - y}}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

      9. lower--.f64 N/A

         \[\leadsto x - \frac{\color{blue}{z - y}}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

      10. lift-+.f64 N/A

          \[\leadsto x - \frac{z - y}{\mathsf{neg}\left(\color{blue}{\left(\left(t - z\right) + 1\right)}\right)} \cdot a \]

      11. add-flip N/A

          \[\leadsto x - \frac{z - y}{\mathsf{neg}\left(\color{blue}{\left(\left(t - z\right) - \left(\mathsf{neg}\left(1\right)\right)\right)}\right)} \cdot a \]

      12. sub-negate N/A

          \[\leadsto x - \frac{z - y}{\color{blue}{\left(\mathsf{neg}\left(1\right)\right) - \left(t - z\right)}} \cdot a \]

      13. lower--.f64 N/A

          \[\leadsto x - \frac{z - y}{\color{blue}{\left(\mathsf{neg}\left(1\right)\right) - \left(t - z\right)}} \cdot a \]

      14. metadata-eval 99.7

          \[\leadsto x - \frac{z - y}{\color{blue}{-1} - \left(t - z\right)} \cdot a \]

   3. Applied rewrites 99.7%

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

      1. lift--.f64 N/A

         \[\leadsto \color{blue}{x - \frac{z - y}{-1 - \left(t - z\right)} \cdot a} \]

      2. sub-flip N/A

         \[\leadsto \color{blue}{x + \left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)} \cdot a\right)\right)} \]

      3. +-commutative N/A

         \[\leadsto \color{blue}{\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)} \cdot a\right)\right) + x} \]

      4. lift-*.f64 N/A

         \[\leadsto \left(\mathsf{neg}\left(\color{blue}{\frac{z - y}{-1 - \left(t - z\right)} \cdot a}\right)\right) + x \]

      5. distribute-lft-neg-out N/A

         \[\leadsto \color{blue}{\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)}\right)\right) \cdot a} + x \]

      6. lower-fma.f64 N/A

         \[\leadsto \color{blue}{\mathsf{fma}\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)}\right), a, x\right)} \]

      7. lift-/.f64 N/A

         \[\leadsto \mathsf{fma}\left(\mathsf{neg}\left(\color{blue}{\frac{z - y}{-1 - \left(t - z\right)}}\right), a, x\right) \]

      8. distribute-neg-frac N/A

         \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{\mathsf{neg}\left(\left(z - y\right)\right)}{-1 - \left(t - z\right)}}, a, x\right) \]

      9. lift--.f64 N/A

         \[\leadsto \mathsf{fma}\left(\frac{\mathsf{neg}\left(\color{blue}{\left(z - y\right)}\right)}{-1 - \left(t - z\right)}, a, x\right) \]

      10. sub-negate-rev N/A

          \[\leadsto \mathsf{fma}\left(\frac{\color{blue}{y - z}}{-1 - \left(t - z\right)}, a, x\right) \]

      11. lift--.f64 N/A

          \[\leadsto \mathsf{fma}\left(\frac{\color{blue}{y - z}}{-1 - \left(t - z\right)}, a, x\right) \]

      12. lower-/.f64 99.7

          \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{y - z}{-1 - \left(t - z\right)}}, a, x\right) \]

   5. Applied rewrites 99.7%

      \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{y - z}{-1 - \left(t - z\right)}, a, x\right)} \]

   6. Taylor expanded in z around 0

      \[\leadsto \mathsf{fma}\left(\frac{y - z}{-1 - \color{blue}{t}}, a, x\right) \]
   7. Step-by-step derivation

   8. Applied rewrites 73.9%

      \[\leadsto \mathsf{fma}\left(\frac{y - z}{-1 - \color{blue}{t}}, a, x\right) \]
3. Recombined 2 regimes into one program.
4. Add Preprocessing

Alternative 4: 91.1% accurate, 0.8× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -4.2 \cdot 10^{+92}:\\ \;\;\;\;x - \frac{y - z}{t} \cdot a\\ \mathbf{elif}\;t \leq 3.5 \cdot 10^{+96}:\\ \;\;\;\;\mathsf{fma}\left(\frac{y - z}{z - 1}, a, x\right)\\ \mathbf{else}:\\ \;\;\;\;x - \left(y - z\right) \cdot \frac{a}{t}\\ \end{array} \end{array} \]

FPCore

(FPCore (x y z t a)
 :precision binary64
 (if (<= t -4.2e+92)
   (- x (* (/ (- y z) t) a))
   (if (<= t 3.5e+96)
     (fma (/ (- y z) (- z 1.0)) a x)
     (- x (* (- y z) (/ a t))))))

C

double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (t <= -4.2e+92) {
		tmp = x - (((y - z) / t) * a);
	} else if (t <= 3.5e+96) {
		tmp = fma(((y - z) / (z - 1.0)), a, x);
	} else {
		tmp = x - ((y - z) * (a / t));
	}
	return tmp;
}

Julia

function code(x, y, z, t, a)
	tmp = 0.0
	if (t <= -4.2e+92)
		tmp = Float64(x - Float64(Float64(Float64(y - z) / t) * a));
	elseif (t <= 3.5e+96)
		tmp = fma(Float64(Float64(y - z) / Float64(z - 1.0)), a, x);
	else
		tmp = Float64(x - Float64(Float64(y - z) * Float64(a / t)));
	end
	return tmp
end

Wolfram

code[x_, y_, z_, t_, a_] := If[LessEqual[t, -4.2e+92], N[(x - N[(N[(N[(y - z), $MachinePrecision] / t), $MachinePrecision] * a), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 3.5e+96], N[(N[(N[(y - z), $MachinePrecision] / N[(z - 1.0), $MachinePrecision]), $MachinePrecision] * a + x), $MachinePrecision], N[(x - N[(N[(y - z), $MachinePrecision] * N[(a / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]

Derivation

1. Split input into 3 regimes

2. if t < -4.19999999999999972e92

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in t around inf

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

      1. lower-/.f64 N/A

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

      2. lower-*.f64 N/A

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

      3. lower--.f64 50.7

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

   4. Applied rewrites 50.7%

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

      1. lift-/.f64 N/A

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

      2. lift-*.f64 N/A

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

      3. associate-/l* N/A

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

      4. *-commutative N/A

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

      5. lower-*.f64 N/A

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

      6. lower-/.f64 53.8

         \[\leadsto x - \frac{y - z}{t} \cdot a \]

   6. Applied rewrites 53.8%

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

   if -4.19999999999999972e92 < t < 3.4999999999999999e96

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]
   2. Step-by-step derivation

      1. lift-/.f64 N/A

         \[\leadsto x - \color{blue}{\frac{y - z}{\frac{\left(t - z\right) + 1}{a}}} \]

      2. lift-/.f64 N/A

         \[\leadsto x - \frac{y - z}{\color{blue}{\frac{\left(t - z\right) + 1}{a}}} \]

      3. associate-/r/ N/A

         \[\leadsto x - \color{blue}{\frac{y - z}{\left(t - z\right) + 1} \cdot a} \]

      4. lower-*.f64 N/A

         \[\leadsto x - \color{blue}{\frac{y - z}{\left(t - z\right) + 1} \cdot a} \]

      5. frac-2neg N/A

         \[\leadsto x - \color{blue}{\frac{\mathsf{neg}\left(\left(y - z\right)\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)}} \cdot a \]

      6. lower-/.f64 N/A

         \[\leadsto x - \color{blue}{\frac{\mathsf{neg}\left(\left(y - z\right)\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)}} \cdot a \]

      7. lift--.f64 N/A

         \[\leadsto x - \frac{\mathsf{neg}\left(\color{blue}{\left(y - z\right)}\right)}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

      8. sub-negate-rev N/A

         \[\leadsto x - \frac{\color{blue}{z - y}}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

      9. lower--.f64 N/A

         \[\leadsto x - \frac{\color{blue}{z - y}}{\mathsf{neg}\left(\left(\left(t - z\right) + 1\right)\right)} \cdot a \]

      10. lift-+.f64 N/A

          \[\leadsto x - \frac{z - y}{\mathsf{neg}\left(\color{blue}{\left(\left(t - z\right) + 1\right)}\right)} \cdot a \]

      11. add-flip N/A

          \[\leadsto x - \frac{z - y}{\mathsf{neg}\left(\color{blue}{\left(\left(t - z\right) - \left(\mathsf{neg}\left(1\right)\right)\right)}\right)} \cdot a \]

      12. sub-negate N/A

          \[\leadsto x - \frac{z - y}{\color{blue}{\left(\mathsf{neg}\left(1\right)\right) - \left(t - z\right)}} \cdot a \]

      13. lower--.f64 N/A

          \[\leadsto x - \frac{z - y}{\color{blue}{\left(\mathsf{neg}\left(1\right)\right) - \left(t - z\right)}} \cdot a \]

      14. metadata-eval 99.7

          \[\leadsto x - \frac{z - y}{\color{blue}{-1} - \left(t - z\right)} \cdot a \]

   3. Applied rewrites 99.7%

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

      1. lift--.f64 N/A

         \[\leadsto \color{blue}{x - \frac{z - y}{-1 - \left(t - z\right)} \cdot a} \]

      2. sub-flip N/A

         \[\leadsto \color{blue}{x + \left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)} \cdot a\right)\right)} \]

      3. +-commutative N/A

         \[\leadsto \color{blue}{\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)} \cdot a\right)\right) + x} \]

      4. lift-*.f64 N/A

         \[\leadsto \left(\mathsf{neg}\left(\color{blue}{\frac{z - y}{-1 - \left(t - z\right)} \cdot a}\right)\right) + x \]

      5. distribute-lft-neg-out N/A

         \[\leadsto \color{blue}{\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)}\right)\right) \cdot a} + x \]

      6. lower-fma.f64 N/A

         \[\leadsto \color{blue}{\mathsf{fma}\left(\mathsf{neg}\left(\frac{z - y}{-1 - \left(t - z\right)}\right), a, x\right)} \]

      7. lift-/.f64 N/A

         \[\leadsto \mathsf{fma}\left(\mathsf{neg}\left(\color{blue}{\frac{z - y}{-1 - \left(t - z\right)}}\right), a, x\right) \]

      8. distribute-neg-frac N/A

         \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{\mathsf{neg}\left(\left(z - y\right)\right)}{-1 - \left(t - z\right)}}, a, x\right) \]

      9. lift--.f64 N/A

         \[\leadsto \mathsf{fma}\left(\frac{\mathsf{neg}\left(\color{blue}{\left(z - y\right)}\right)}{-1 - \left(t - z\right)}, a, x\right) \]

      10. sub-negate-rev N/A

          \[\leadsto \mathsf{fma}\left(\frac{\color{blue}{y - z}}{-1 - \left(t - z\right)}, a, x\right) \]

      11. lift--.f64 N/A

          \[\leadsto \mathsf{fma}\left(\frac{\color{blue}{y - z}}{-1 - \left(t - z\right)}, a, x\right) \]

      12. lower-/.f64 99.7

          \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{y - z}{-1 - \left(t - z\right)}}, a, x\right) \]

   5. Applied rewrites 99.7%

      \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{y - z}{-1 - \left(t - z\right)}, a, x\right)} \]

   6. Taylor expanded in t around 0

      \[\leadsto \mathsf{fma}\left(\frac{y - z}{\color{blue}{z - 1}}, a, x\right) \]
   7. Step-by-step derivation

      1. lower--.f64 79.8

         \[\leadsto \mathsf{fma}\left(\frac{y - z}{z - \color{blue}{1}}, a, x\right) \]

   8. Applied rewrites 79.8%

      \[\leadsto \mathsf{fma}\left(\frac{y - z}{\color{blue}{z - 1}}, a, x\right) \]

   if 3.4999999999999999e96 < t

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in t around inf

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

      1. lower-/.f64 N/A

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

      2. lower-*.f64 N/A

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

      3. lower--.f64 50.7

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

   4. Applied rewrites 50.7%

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

      1. lift-/.f64 N/A

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

      2. lift-*.f64 N/A

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

      3. *-commutative N/A

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

      4. associate-/l* N/A

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

      5. lower-*.f64 N/A

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

      6. lower-/.f64 54.5

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

   6. Applied rewrites 54.5%

      \[\leadsto x - \left(y - z\right) \cdot \color{blue}{\frac{a}{t}} \]
3. Recombined 3 regimes into one program.
4. Add Preprocessing

Alternative 5: 89.9% accurate, 0.8× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -7.6 \cdot 10^{+25}:\\ \;\;\;\;x - \frac{y - z}{\frac{t}{a}}\\ \mathbf{elif}\;t \leq 2.8 \cdot 10^{+88}:\\ \;\;\;\;\mathsf{fma}\left(z - y, \frac{a}{1 - z}, x\right)\\ \mathbf{else}:\\ \;\;\;\;x - \left(y - z\right) \cdot \frac{a}{t}\\ \end{array} \end{array} \]

FPCore

(FPCore (x y z t a)
 :precision binary64
 (if (<= t -7.6e+25)
   (- x (/ (- y z) (/ t a)))
   (if (<= t 2.8e+88)
     (fma (- z y) (/ a (- 1.0 z)) x)
     (- x (* (- y z) (/ a t))))))

C

double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (t <= -7.6e+25) {
		tmp = x - ((y - z) / (t / a));
	} else if (t <= 2.8e+88) {
		tmp = fma((z - y), (a / (1.0 - z)), x);
	} else {
		tmp = x - ((y - z) * (a / t));
	}
	return tmp;
}

Julia

function code(x, y, z, t, a)
	tmp = 0.0
	if (t <= -7.6e+25)
		tmp = Float64(x - Float64(Float64(y - z) / Float64(t / a)));
	elseif (t <= 2.8e+88)
		tmp = fma(Float64(z - y), Float64(a / Float64(1.0 - z)), x);
	else
		tmp = Float64(x - Float64(Float64(y - z) * Float64(a / t)));
	end
	return tmp
end

Wolfram

code[x_, y_, z_, t_, a_] := If[LessEqual[t, -7.6e+25], N[(x - N[(N[(y - z), $MachinePrecision] / N[(t / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 2.8e+88], N[(N[(z - y), $MachinePrecision] * N[(a / N[(1.0 - z), $MachinePrecision]), $MachinePrecision] + x), $MachinePrecision], N[(x - N[(N[(y - z), $MachinePrecision] * N[(a / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]

Derivation

1. Split input into 3 regimes

2. if t < -7.6000000000000001e25

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in t around inf

      \[\leadsto x - \frac{y - z}{\color{blue}{\frac{t}{a}}} \]
   3. Step-by-step derivation

      1. lower-/.f64 54.5

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

   4. Applied rewrites 54.5%

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

   if -7.6000000000000001e25 < t < 2.79999999999999989e88

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in t around 0

      \[\leadsto x - \frac{y - z}{\frac{\color{blue}{1 - z}}{a}} \]
   3. Step-by-step derivation

      1. lower--.f64 77.8

         \[\leadsto x - \frac{y - z}{\frac{1 - \color{blue}{z}}{a}} \]

   4. Applied rewrites 77.8%

      \[\leadsto x - \frac{y - z}{\frac{\color{blue}{1 - z}}{a}} \]
   5. Step-by-step derivation

      1. lift--.f64 N/A

         \[\leadsto \color{blue}{x - \frac{y - z}{\frac{1 - z}{a}}} \]

      2. sub-flip N/A

         \[\leadsto \color{blue}{x + \left(\mathsf{neg}\left(\frac{y - z}{\frac{1 - z}{a}}\right)\right)} \]

      3. +-commutative N/A

         \[\leadsto \color{blue}{\left(\mathsf{neg}\left(\frac{y - z}{\frac{1 - z}{a}}\right)\right) + x} \]

      4. lift-/.f64 N/A

         \[\leadsto \left(\mathsf{neg}\left(\color{blue}{\frac{y - z}{\frac{1 - z}{a}}}\right)\right) + x \]

      5. mult-flip-rev N/A

         \[\leadsto \left(\mathsf{neg}\left(\color{blue}{\left(y - z\right) \cdot \frac{1}{\frac{1 - z}{a}}}\right)\right) + x \]

      6. lift-/.f64 N/A

         \[\leadsto \left(\mathsf{neg}\left(\left(y - z\right) \cdot \frac{1}{\color{blue}{\frac{1 - z}{a}}}\right)\right) + x \]

      7. div-flip-rev N/A

         \[\leadsto \left(\mathsf{neg}\left(\left(y - z\right) \cdot \color{blue}{\frac{a}{1 - z}}\right)\right) + x \]

      8. distribute-lft-neg-in N/A

         \[\leadsto \color{blue}{\left(\mathsf{neg}\left(\left(y - z\right)\right)\right) \cdot \frac{a}{1 - z}} + x \]

      9. lift--.f64 N/A

         \[\leadsto \left(\mathsf{neg}\left(\color{blue}{\left(y - z\right)}\right)\right) \cdot \frac{a}{1 - z} + x \]

      10. sub-negate-rev N/A

          \[\leadsto \color{blue}{\left(z - y\right)} \cdot \frac{a}{1 - z} + x \]

      11. lift--.f64 N/A

          \[\leadsto \color{blue}{\left(z - y\right)} \cdot \frac{a}{1 - z} + x \]

      12. lower-fma.f64 N/A

          \[\leadsto \color{blue}{\mathsf{fma}\left(z - y, \frac{a}{1 - z}, x\right)} \]

      13. lower-/.f64 78.1

          \[\leadsto \mathsf{fma}\left(z - y, \color{blue}{\frac{a}{1 - z}}, x\right) \]

   6. Applied rewrites 78.1%

      \[\leadsto \color{blue}{\mathsf{fma}\left(z - y, \frac{a}{1 - z}, x\right)} \]

   if 2.79999999999999989e88 < t

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in t around inf

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

      1. lower-/.f64 N/A

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

      2. lower-*.f64 N/A

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

      3. lower--.f64 50.7

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

   4. Applied rewrites 50.7%

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

      1. lift-/.f64 N/A

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

      2. lift-*.f64 N/A

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

      3. *-commutative N/A

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

      4. associate-/l* N/A

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

      5. lower-*.f64 N/A

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

      6. lower-/.f64 54.5

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

   6. Applied rewrites 54.5%

      \[\leadsto x - \left(y - z\right) \cdot \color{blue}{\frac{a}{t}} \]
3. Recombined 3 regimes into one program.
4. Add Preprocessing

Alternative 6: 84.9% accurate, 0.9× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;z \leq -1.9 \cdot 10^{+58}:\\ \;\;\;\;x - a\\ \mathbf{elif}\;z \leq 3 \cdot 10^{+70}:\\ \;\;\;\;x - y \cdot \frac{a}{t - -1}\\ \mathbf{else}:\\ \;\;\;\;x - a\\ \end{array} \end{array} \]

FPCore

(FPCore (x y z t a)
 :precision binary64
 (if (<= z -1.9e+58)
   (- x a)
   (if (<= z 3e+70) (- x (* y (/ a (- t -1.0)))) (- x a))))

C

double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (z <= -1.9e+58) {
		tmp = x - a;
	} else if (z <= 3e+70) {
		tmp = x - (y * (a / (t - -1.0)));
	} else {
		tmp = x - a;
	}
	return tmp;
}

Fortran

module fmin_fmax_functions
    implicit none
    private
    public fmax
    public fmin

    interface fmax
        module procedure fmax88
        module procedure fmax44
        module procedure fmax84
        module procedure fmax48
    end interface
    interface fmin
        module procedure fmin88
        module procedure fmin44
        module procedure fmin84
        module procedure fmin48
    end interface
contains
    real(8) function fmax88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(4) function fmax44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(8) function fmax84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmax48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
    end function
    real(8) function fmin88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(4) function fmin44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(8) function fmin84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmin48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
    end function
end module

real(8) function code(x, y, z, t, a)
use fmin_fmax_functions
    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) :: tmp
    if (z <= (-1.9d+58)) then
        tmp = x - a
    else if (z <= 3d+70) then
        tmp = x - (y * (a / (t - (-1.0d0))))
    else
        tmp = x - a
    end if
    code = tmp
end function

Java

public static double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (z <= -1.9e+58) {
		tmp = x - a;
	} else if (z <= 3e+70) {
		tmp = x - (y * (a / (t - -1.0)));
	} else {
		tmp = x - a;
	}
	return tmp;
}

Python

def code(x, y, z, t, a):
	tmp = 0
	if z <= -1.9e+58:
		tmp = x - a
	elif z <= 3e+70:
		tmp = x - (y * (a / (t - -1.0)))
	else:
		tmp = x - a
	return tmp

Julia

function code(x, y, z, t, a)
	tmp = 0.0
	if (z <= -1.9e+58)
		tmp = Float64(x - a);
	elseif (z <= 3e+70)
		tmp = Float64(x - Float64(y * Float64(a / Float64(t - -1.0))));
	else
		tmp = Float64(x - a);
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y, z, t, a)
	tmp = 0.0;
	if (z <= -1.9e+58)
		tmp = x - a;
	elseif (z <= 3e+70)
		tmp = x - (y * (a / (t - -1.0)));
	else
		tmp = x - a;
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_, z_, t_, a_] := If[LessEqual[z, -1.9e+58], N[(x - a), $MachinePrecision], If[LessEqual[z, 3e+70], N[(x - N[(y * N[(a / N[(t - -1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x - a), $MachinePrecision]]]

Derivation

1. Split input into 2 regimes

2. if z < -1.8999999999999999e58 or 2.99999999999999976e70 < z

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in z around inf

      \[\leadsto x - \color{blue}{a} \]
   3. Step-by-step derivation

   4. Applied rewrites 60.1%

      \[\leadsto x - \color{blue}{a} \]

   if -1.8999999999999999e58 < z < 2.99999999999999976e70

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in z around 0

      \[\leadsto x - \color{blue}{\frac{a \cdot y}{1 + t}} \]
   3. Step-by-step derivation

      1. lower-/.f64 N/A

         \[\leadsto x - \frac{a \cdot y}{\color{blue}{1 + t}} \]

      2. lower-*.f64 N/A

         \[\leadsto x - \frac{a \cdot y}{\color{blue}{1} + t} \]

      3. lower-+.f64 69.9

         \[\leadsto x - \frac{a \cdot y}{1 + \color{blue}{t}} \]

   4. Applied rewrites 69.9%

      \[\leadsto x - \color{blue}{\frac{a \cdot y}{1 + t}} \]
   5. Step-by-step derivation

      1. lift-/.f64 N/A

         \[\leadsto x - \frac{a \cdot y}{\color{blue}{1 + t}} \]

      2. lift-*.f64 N/A

         \[\leadsto x - \frac{a \cdot y}{\color{blue}{1} + t} \]

      3. *-commutative N/A

         \[\leadsto x - \frac{y \cdot a}{\color{blue}{1} + t} \]

      4. associate-/l* N/A

         \[\leadsto x - y \cdot \color{blue}{\frac{a}{1 + t}} \]

      5. lower-*.f64 N/A

         \[\leadsto x - y \cdot \color{blue}{\frac{a}{1 + t}} \]

      6. lower-/.f64 72.5

         \[\leadsto x - y \cdot \frac{a}{\color{blue}{1 + t}} \]

      7. lift-+.f64 N/A

         \[\leadsto x - y \cdot \frac{a}{1 + \color{blue}{t}} \]

      8. +-commutative N/A

         \[\leadsto x - y \cdot \frac{a}{t + \color{blue}{1}} \]

      9. add-flip N/A

         \[\leadsto x - y \cdot \frac{a}{t - \color{blue}{\left(\mathsf{neg}\left(1\right)\right)}} \]

      10. metadata-eval N/A

          \[\leadsto x - y \cdot \frac{a}{t - -1} \]

      11. lower--.f64 72.5

          \[\leadsto x - y \cdot \frac{a}{t - \color{blue}{-1}} \]

   6. Applied rewrites 72.5%

      \[\leadsto x - y \cdot \color{blue}{\frac{a}{t - -1}} \]
3. Recombined 2 regimes into one program.
4. Add Preprocessing

Alternative 7: 73.4% accurate, 0.9× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;z \leq -1.9 \cdot 10^{+58}:\\ \;\;\;\;x - a\\ \mathbf{elif}\;z \leq 2.6 \cdot 10^{+145}:\\ \;\;\;\;x - \frac{a \cdot y}{1 - z}\\ \mathbf{else}:\\ \;\;\;\;x - a\\ \end{array} \end{array} \]

FPCore

(FPCore (x y z t a)
 :precision binary64
 (if (<= z -1.9e+58)
   (- x a)
   (if (<= z 2.6e+145) (- x (/ (* a y) (- 1.0 z))) (- x a))))

C

double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (z <= -1.9e+58) {
		tmp = x - a;
	} else if (z <= 2.6e+145) {
		tmp = x - ((a * y) / (1.0 - z));
	} else {
		tmp = x - a;
	}
	return tmp;
}

Fortran

module fmin_fmax_functions
    implicit none
    private
    public fmax
    public fmin

    interface fmax
        module procedure fmax88
        module procedure fmax44
        module procedure fmax84
        module procedure fmax48
    end interface
    interface fmin
        module procedure fmin88
        module procedure fmin44
        module procedure fmin84
        module procedure fmin48
    end interface
contains
    real(8) function fmax88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(4) function fmax44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(8) function fmax84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmax48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
    end function
    real(8) function fmin88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(4) function fmin44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(8) function fmin84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmin48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
    end function
end module

real(8) function code(x, y, z, t, a)
use fmin_fmax_functions
    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) :: tmp
    if (z <= (-1.9d+58)) then
        tmp = x - a
    else if (z <= 2.6d+145) then
        tmp = x - ((a * y) / (1.0d0 - z))
    else
        tmp = x - a
    end if
    code = tmp
end function

Java

public static double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (z <= -1.9e+58) {
		tmp = x - a;
	} else if (z <= 2.6e+145) {
		tmp = x - ((a * y) / (1.0 - z));
	} else {
		tmp = x - a;
	}
	return tmp;
}

Python

def code(x, y, z, t, a):
	tmp = 0
	if z <= -1.9e+58:
		tmp = x - a
	elif z <= 2.6e+145:
		tmp = x - ((a * y) / (1.0 - z))
	else:
		tmp = x - a
	return tmp

Julia

function code(x, y, z, t, a)
	tmp = 0.0
	if (z <= -1.9e+58)
		tmp = Float64(x - a);
	elseif (z <= 2.6e+145)
		tmp = Float64(x - Float64(Float64(a * y) / Float64(1.0 - z)));
	else
		tmp = Float64(x - a);
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y, z, t, a)
	tmp = 0.0;
	if (z <= -1.9e+58)
		tmp = x - a;
	elseif (z <= 2.6e+145)
		tmp = x - ((a * y) / (1.0 - z));
	else
		tmp = x - a;
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_, z_, t_, a_] := If[LessEqual[z, -1.9e+58], N[(x - a), $MachinePrecision], If[LessEqual[z, 2.6e+145], N[(x - N[(N[(a * y), $MachinePrecision] / N[(1.0 - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x - a), $MachinePrecision]]]

Derivation

1. Split input into 2 regimes

2. if z < -1.8999999999999999e58 or 2.60000000000000003e145 < z

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in z around inf

      \[\leadsto x - \color{blue}{a} \]
   3. Step-by-step derivation

   4. Applied rewrites 60.1%

      \[\leadsto x - \color{blue}{a} \]

   if -1.8999999999999999e58 < z < 2.60000000000000003e145

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in t around 0

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

      1. lower-/.f64 N/A

         \[\leadsto x - \frac{a \cdot \left(y - z\right)}{\color{blue}{1 - z}} \]

      2. lower-*.f64 N/A

         \[\leadsto x - \frac{a \cdot \left(y - z\right)}{\color{blue}{1} - z} \]

      3. lower--.f64 N/A

         \[\leadsto x - \frac{a \cdot \left(y - z\right)}{1 - z} \]

      4. lower--.f64 69.9

         \[\leadsto x - \frac{a \cdot \left(y - z\right)}{1 - \color{blue}{z}} \]

   4. Applied rewrites 69.9%

      \[\leadsto x - \color{blue}{\frac{a \cdot \left(y - z\right)}{1 - z}} \]

   5. Taylor expanded in y around inf

      \[\leadsto x - \frac{a \cdot y}{\color{blue}{1 - z}} \]
   6. Step-by-step derivation

      1. lower-/.f64 N/A

         \[\leadsto x - \frac{a \cdot y}{1 - \color{blue}{z}} \]

      2. lower-*.f64 N/A

         \[\leadsto x - \frac{a \cdot y}{1 - z} \]

      3. lower--.f64 63.6

         \[\leadsto x - \frac{a \cdot y}{1 - z} \]

   7. Applied rewrites 63.6%

      \[\leadsto x - \frac{a \cdot y}{\color{blue}{1 - z}} \]
3. Recombined 2 regimes into one program.
4. Add Preprocessing

Alternative 8: 73.1% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;z \leq -1.6 \cdot 10^{+58}:\\ \;\;\;\;x - a\\ \mathbf{elif}\;z \leq 1.5:\\ \;\;\;\;x - \frac{a \cdot y}{1}\\ \mathbf{else}:\\ \;\;\;\;x - a\\ \end{array} \end{array} \]

FPCore

(FPCore (x y z t a)
 :precision binary64
 (if (<= z -1.6e+58) (- x a) (if (<= z 1.5) (- x (/ (* a y) 1.0)) (- x a))))

C

double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (z <= -1.6e+58) {
		tmp = x - a;
	} else if (z <= 1.5) {
		tmp = x - ((a * y) / 1.0);
	} else {
		tmp = x - a;
	}
	return tmp;
}

Fortran

module fmin_fmax_functions
    implicit none
    private
    public fmax
    public fmin

    interface fmax
        module procedure fmax88
        module procedure fmax44
        module procedure fmax84
        module procedure fmax48
    end interface
    interface fmin
        module procedure fmin88
        module procedure fmin44
        module procedure fmin84
        module procedure fmin48
    end interface
contains
    real(8) function fmax88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(4) function fmax44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(8) function fmax84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmax48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
    end function
    real(8) function fmin88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(4) function fmin44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(8) function fmin84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmin48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
    end function
end module

real(8) function code(x, y, z, t, a)
use fmin_fmax_functions
    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) :: tmp
    if (z <= (-1.6d+58)) then
        tmp = x - a
    else if (z <= 1.5d0) then
        tmp = x - ((a * y) / 1.0d0)
    else
        tmp = x - a
    end if
    code = tmp
end function

Java

public static double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (z <= -1.6e+58) {
		tmp = x - a;
	} else if (z <= 1.5) {
		tmp = x - ((a * y) / 1.0);
	} else {
		tmp = x - a;
	}
	return tmp;
}

Python

def code(x, y, z, t, a):
	tmp = 0
	if z <= -1.6e+58:
		tmp = x - a
	elif z <= 1.5:
		tmp = x - ((a * y) / 1.0)
	else:
		tmp = x - a
	return tmp

Julia

function code(x, y, z, t, a)
	tmp = 0.0
	if (z <= -1.6e+58)
		tmp = Float64(x - a);
	elseif (z <= 1.5)
		tmp = Float64(x - Float64(Float64(a * y) / 1.0));
	else
		tmp = Float64(x - a);
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y, z, t, a)
	tmp = 0.0;
	if (z <= -1.6e+58)
		tmp = x - a;
	elseif (z <= 1.5)
		tmp = x - ((a * y) / 1.0);
	else
		tmp = x - a;
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_, z_, t_, a_] := If[LessEqual[z, -1.6e+58], N[(x - a), $MachinePrecision], If[LessEqual[z, 1.5], N[(x - N[(N[(a * y), $MachinePrecision] / 1.0), $MachinePrecision]), $MachinePrecision], N[(x - a), $MachinePrecision]]]

Derivation

1. Split input into 2 regimes

2. if z < -1.60000000000000008e58 or 1.5 < z

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in z around inf

      \[\leadsto x - \color{blue}{a} \]
   3. Step-by-step derivation

   4. Applied rewrites 60.1%

      \[\leadsto x - \color{blue}{a} \]

   if -1.60000000000000008e58 < z < 1.5

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in t around 0

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

      1. lower-/.f64 N/A

         \[\leadsto x - \frac{a \cdot \left(y - z\right)}{\color{blue}{1 - z}} \]

      2. lower-*.f64 N/A

         \[\leadsto x - \frac{a \cdot \left(y - z\right)}{\color{blue}{1} - z} \]

      3. lower--.f64 N/A

         \[\leadsto x - \frac{a \cdot \left(y - z\right)}{1 - z} \]

      4. lower--.f64 69.9

         \[\leadsto x - \frac{a \cdot \left(y - z\right)}{1 - \color{blue}{z}} \]

   4. Applied rewrites 69.9%

      \[\leadsto x - \color{blue}{\frac{a \cdot \left(y - z\right)}{1 - z}} \]

   5. Taylor expanded in z around 0

      \[\leadsto x - \frac{a \cdot \left(y - z\right)}{1} \]
   6. Step-by-step derivation

   7. Applied rewrites 51.5%

      \[\leadsto x - \frac{a \cdot \left(y - z\right)}{1} \]

   8. Taylor expanded in y around inf

      \[\leadsto x - \frac{a \cdot y}{1} \]
   9. Step-by-step derivation

      1. lower-*.f64 57.7

         \[\leadsto x - \frac{a \cdot y}{1} \]

   10. Applied rewrites 57.7%

       \[\leadsto x - \frac{a \cdot y}{1} \]
3. Recombined 2 regimes into one program.
4. Add Preprocessing

Alternative 9: 70.5% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;z \leq -2.3 \cdot 10^{-33}:\\ \;\;\;\;x - a\\ \mathbf{elif}\;z \leq 3.7 \cdot 10^{+70}:\\ \;\;\;\;x - y \cdot \frac{a}{t}\\ \mathbf{else}:\\ \;\;\;\;x - a\\ \end{array} \end{array} \]

FPCore

(FPCore (x y z t a)
 :precision binary64
 (if (<= z -2.3e-33) (- x a) (if (<= z 3.7e+70) (- x (* y (/ a t))) (- x a))))

C

double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (z <= -2.3e-33) {
		tmp = x - a;
	} else if (z <= 3.7e+70) {
		tmp = x - (y * (a / t));
	} else {
		tmp = x - a;
	}
	return tmp;
}

Fortran

module fmin_fmax_functions
    implicit none
    private
    public fmax
    public fmin

    interface fmax
        module procedure fmax88
        module procedure fmax44
        module procedure fmax84
        module procedure fmax48
    end interface
    interface fmin
        module procedure fmin88
        module procedure fmin44
        module procedure fmin84
        module procedure fmin48
    end interface
contains
    real(8) function fmax88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(4) function fmax44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(8) function fmax84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmax48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
    end function
    real(8) function fmin88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(4) function fmin44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(8) function fmin84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmin48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
    end function
end module

real(8) function code(x, y, z, t, a)
use fmin_fmax_functions
    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) :: tmp
    if (z <= (-2.3d-33)) then
        tmp = x - a
    else if (z <= 3.7d+70) then
        tmp = x - (y * (a / t))
    else
        tmp = x - a
    end if
    code = tmp
end function

Java

public static double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (z <= -2.3e-33) {
		tmp = x - a;
	} else if (z <= 3.7e+70) {
		tmp = x - (y * (a / t));
	} else {
		tmp = x - a;
	}
	return tmp;
}

Python

def code(x, y, z, t, a):
	tmp = 0
	if z <= -2.3e-33:
		tmp = x - a
	elif z <= 3.7e+70:
		tmp = x - (y * (a / t))
	else:
		tmp = x - a
	return tmp

Julia

function code(x, y, z, t, a)
	tmp = 0.0
	if (z <= -2.3e-33)
		tmp = Float64(x - a);
	elseif (z <= 3.7e+70)
		tmp = Float64(x - Float64(y * Float64(a / t)));
	else
		tmp = Float64(x - a);
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y, z, t, a)
	tmp = 0.0;
	if (z <= -2.3e-33)
		tmp = x - a;
	elseif (z <= 3.7e+70)
		tmp = x - (y * (a / t));
	else
		tmp = x - a;
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_, z_, t_, a_] := If[LessEqual[z, -2.3e-33], N[(x - a), $MachinePrecision], If[LessEqual[z, 3.7e+70], N[(x - N[(y * N[(a / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x - a), $MachinePrecision]]]

Derivation

1. Split input into 2 regimes

2. if z < -2.29999999999999986e-33 or 3.69999999999999989e70 < z

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in z around inf

      \[\leadsto x - \color{blue}{a} \]
   3. Step-by-step derivation

   4. Applied rewrites 60.1%

      \[\leadsto x - \color{blue}{a} \]

   if -2.29999999999999986e-33 < z < 3.69999999999999989e70

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in z around 0

      \[\leadsto x - \color{blue}{\frac{a \cdot y}{1 + t}} \]
   3. Step-by-step derivation

      1. lower-/.f64 N/A

         \[\leadsto x - \frac{a \cdot y}{\color{blue}{1 + t}} \]

      2. lower-*.f64 N/A

         \[\leadsto x - \frac{a \cdot y}{\color{blue}{1} + t} \]

      3. lower-+.f64 69.9

         \[\leadsto x - \frac{a \cdot y}{1 + \color{blue}{t}} \]

   4. Applied rewrites 69.9%

      \[\leadsto x - \color{blue}{\frac{a \cdot y}{1 + t}} \]
   5. Step-by-step derivation

      1. lift-/.f64 N/A

         \[\leadsto x - \frac{a \cdot y}{\color{blue}{1 + t}} \]

      2. lift-*.f64 N/A

         \[\leadsto x - \frac{a \cdot y}{\color{blue}{1} + t} \]

      3. *-commutative N/A

         \[\leadsto x - \frac{y \cdot a}{\color{blue}{1} + t} \]

      4. associate-/l* N/A

         \[\leadsto x - y \cdot \color{blue}{\frac{a}{1 + t}} \]

      5. lower-*.f64 N/A

         \[\leadsto x - y \cdot \color{blue}{\frac{a}{1 + t}} \]

      6. lower-/.f64 72.5

         \[\leadsto x - y \cdot \frac{a}{\color{blue}{1 + t}} \]

      7. lift-+.f64 N/A

         \[\leadsto x - y \cdot \frac{a}{1 + \color{blue}{t}} \]

      8. +-commutative N/A

         \[\leadsto x - y \cdot \frac{a}{t + \color{blue}{1}} \]

      9. add-flip N/A

         \[\leadsto x - y \cdot \frac{a}{t - \color{blue}{\left(\mathsf{neg}\left(1\right)\right)}} \]

      10. metadata-eval N/A

          \[\leadsto x - y \cdot \frac{a}{t - -1} \]

      11. lower--.f64 72.5

          \[\leadsto x - y \cdot \frac{a}{t - \color{blue}{-1}} \]

   6. Applied rewrites 72.5%

      \[\leadsto x - y \cdot \color{blue}{\frac{a}{t - -1}} \]

   7. Taylor expanded in t around inf

      \[\leadsto x - y \cdot \frac{a}{\color{blue}{t}} \]
   8. Step-by-step derivation

      1. lower-/.f64 56.3

         \[\leadsto x - y \cdot \frac{a}{t} \]

   9. Applied rewrites 56.3%

      \[\leadsto x - y \cdot \frac{a}{\color{blue}{t}} \]
3. Recombined 2 regimes into one program.
4. Add Preprocessing

Alternative 10: 69.6% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;z \leq -1.02 \cdot 10^{+31}:\\ \;\;\;\;x - a\\ \mathbf{elif}\;z \leq 4.3 \cdot 10^{-15}:\\ \;\;\;\;x - \frac{a \cdot y}{t}\\ \mathbf{else}:\\ \;\;\;\;x - a\\ \end{array} \end{array} \]

FPCore

(FPCore (x y z t a)
 :precision binary64
 (if (<= z -1.02e+31) (- x a) (if (<= z 4.3e-15) (- x (/ (* a y) t)) (- x a))))

C

double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (z <= -1.02e+31) {
		tmp = x - a;
	} else if (z <= 4.3e-15) {
		tmp = x - ((a * y) / t);
	} else {
		tmp = x - a;
	}
	return tmp;
}

Fortran

module fmin_fmax_functions
    implicit none
    private
    public fmax
    public fmin

    interface fmax
        module procedure fmax88
        module procedure fmax44
        module procedure fmax84
        module procedure fmax48
    end interface
    interface fmin
        module procedure fmin88
        module procedure fmin44
        module procedure fmin84
        module procedure fmin48
    end interface
contains
    real(8) function fmax88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(4) function fmax44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(8) function fmax84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmax48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
    end function
    real(8) function fmin88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(4) function fmin44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(8) function fmin84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmin48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
    end function
end module

real(8) function code(x, y, z, t, a)
use fmin_fmax_functions
    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) :: tmp
    if (z <= (-1.02d+31)) then
        tmp = x - a
    else if (z <= 4.3d-15) then
        tmp = x - ((a * y) / t)
    else
        tmp = x - a
    end if
    code = tmp
end function

Java

public static double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (z <= -1.02e+31) {
		tmp = x - a;
	} else if (z <= 4.3e-15) {
		tmp = x - ((a * y) / t);
	} else {
		tmp = x - a;
	}
	return tmp;
}

Python

def code(x, y, z, t, a):
	tmp = 0
	if z <= -1.02e+31:
		tmp = x - a
	elif z <= 4.3e-15:
		tmp = x - ((a * y) / t)
	else:
		tmp = x - a
	return tmp

Julia

function code(x, y, z, t, a)
	tmp = 0.0
	if (z <= -1.02e+31)
		tmp = Float64(x - a);
	elseif (z <= 4.3e-15)
		tmp = Float64(x - Float64(Float64(a * y) / t));
	else
		tmp = Float64(x - a);
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y, z, t, a)
	tmp = 0.0;
	if (z <= -1.02e+31)
		tmp = x - a;
	elseif (z <= 4.3e-15)
		tmp = x - ((a * y) / t);
	else
		tmp = x - a;
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_, z_, t_, a_] := If[LessEqual[z, -1.02e+31], N[(x - a), $MachinePrecision], If[LessEqual[z, 4.3e-15], N[(x - N[(N[(a * y), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision], N[(x - a), $MachinePrecision]]]

Derivation

1. Split input into 2 regimes

2. if z < -1.02000000000000007e31 or 4.2999999999999997e-15 < z

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in z around inf

      \[\leadsto x - \color{blue}{a} \]
   3. Step-by-step derivation

   4. Applied rewrites 60.1%

      \[\leadsto x - \color{blue}{a} \]

   if -1.02000000000000007e31 < z < 4.2999999999999997e-15

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in z around 0

      \[\leadsto x - \color{blue}{\frac{a \cdot y}{1 + t}} \]
   3. Step-by-step derivation

      1. lower-/.f64 N/A

         \[\leadsto x - \frac{a \cdot y}{\color{blue}{1 + t}} \]

      2. lower-*.f64 N/A

         \[\leadsto x - \frac{a \cdot y}{\color{blue}{1} + t} \]

      3. lower-+.f64 69.9

         \[\leadsto x - \frac{a \cdot y}{1 + \color{blue}{t}} \]

   4. Applied rewrites 69.9%

      \[\leadsto x - \color{blue}{\frac{a \cdot y}{1 + t}} \]

   5. Taylor expanded in t around inf

      \[\leadsto x - \frac{a \cdot y}{\color{blue}{t}} \]
   6. Step-by-step derivation

      1. lower-/.f64 N/A

         \[\leadsto x - \frac{a \cdot y}{t} \]

      2. lower-*.f64 54.6

         \[\leadsto x - \frac{a \cdot y}{t} \]

   7. Applied rewrites 54.6%

      \[\leadsto x - \frac{a \cdot y}{\color{blue}{t}} \]
3. Recombined 2 regimes into one program.
4. Add Preprocessing

Alternative 11: 65.8% accurate, 1.6× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;z \leq -5.4 \cdot 10^{-18}:\\ \;\;\;\;x - a\\ \mathbf{elif}\;z \leq 1.06 \cdot 10^{-74}:\\ \;\;\;\;1 \cdot x\\ \mathbf{else}:\\ \;\;\;\;x - a\\ \end{array} \end{array} \]

FPCore

(FPCore (x y z t a)
 :precision binary64
 (if (<= z -5.4e-18) (- x a) (if (<= z 1.06e-74) (* 1.0 x) (- x a))))

C

double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (z <= -5.4e-18) {
		tmp = x - a;
	} else if (z <= 1.06e-74) {
		tmp = 1.0 * x;
	} else {
		tmp = x - a;
	}
	return tmp;
}

Fortran

module fmin_fmax_functions
    implicit none
    private
    public fmax
    public fmin

    interface fmax
        module procedure fmax88
        module procedure fmax44
        module procedure fmax84
        module procedure fmax48
    end interface
    interface fmin
        module procedure fmin88
        module procedure fmin44
        module procedure fmin84
        module procedure fmin48
    end interface
contains
    real(8) function fmax88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(4) function fmax44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(8) function fmax84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmax48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
    end function
    real(8) function fmin88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(4) function fmin44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(8) function fmin84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmin48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
    end function
end module

real(8) function code(x, y, z, t, a)
use fmin_fmax_functions
    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) :: tmp
    if (z <= (-5.4d-18)) then
        tmp = x - a
    else if (z <= 1.06d-74) then
        tmp = 1.0d0 * x
    else
        tmp = x - a
    end if
    code = tmp
end function

Java

public static double code(double x, double y, double z, double t, double a) {
	double tmp;
	if (z <= -5.4e-18) {
		tmp = x - a;
	} else if (z <= 1.06e-74) {
		tmp = 1.0 * x;
	} else {
		tmp = x - a;
	}
	return tmp;
}

Python

def code(x, y, z, t, a):
	tmp = 0
	if z <= -5.4e-18:
		tmp = x - a
	elif z <= 1.06e-74:
		tmp = 1.0 * x
	else:
		tmp = x - a
	return tmp

Julia

function code(x, y, z, t, a)
	tmp = 0.0
	if (z <= -5.4e-18)
		tmp = Float64(x - a);
	elseif (z <= 1.06e-74)
		tmp = Float64(1.0 * x);
	else
		tmp = Float64(x - a);
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y, z, t, a)
	tmp = 0.0;
	if (z <= -5.4e-18)
		tmp = x - a;
	elseif (z <= 1.06e-74)
		tmp = 1.0 * x;
	else
		tmp = x - a;
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_, z_, t_, a_] := If[LessEqual[z, -5.4e-18], N[(x - a), $MachinePrecision], If[LessEqual[z, 1.06e-74], N[(1.0 * x), $MachinePrecision], N[(x - a), $MachinePrecision]]]

Derivation

1. Split input into 2 regimes

2. if z < -5.39999999999999977e-18 or 1.06e-74 < z

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in z around inf

      \[\leadsto x - \color{blue}{a} \]
   3. Step-by-step derivation

   4. Applied rewrites 60.1%

      \[\leadsto x - \color{blue}{a} \]

   if -5.39999999999999977e-18 < z < 1.06e-74

   1. Initial program 96.8%

      \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

   2. Taylor expanded in z around inf

      \[\leadsto x - \color{blue}{a} \]
   3. Step-by-step derivation

   4. Applied rewrites 60.1%

      \[\leadsto x - \color{blue}{a} \]
   5. Step-by-step derivation

      1. lift--.f64 N/A

         \[\leadsto \color{blue}{x - a} \]

      2. sub-to-mult N/A

         \[\leadsto \color{blue}{\left(1 - \frac{a}{x}\right) \cdot x} \]

      3. lower-*.f64 N/A

         \[\leadsto \color{blue}{\left(1 - \frac{a}{x}\right) \cdot x} \]

      4. lower--.f64 N/A

         \[\leadsto \color{blue}{\left(1 - \frac{a}{x}\right)} \cdot x \]

      5. lower-/.f64 57.5

         \[\leadsto \left(1 - \color{blue}{\frac{a}{x}}\right) \cdot x \]

   6. Applied rewrites 57.5%

      \[\leadsto \color{blue}{\left(1 - \frac{a}{x}\right) \cdot x} \]

   7. Taylor expanded in x around inf

      \[\leadsto \color{blue}{1} \cdot x \]
   8. Step-by-step derivation

   9. Applied rewrites 53.8%

      \[\leadsto \color{blue}{1} \cdot x \]
3. Recombined 2 regimes into one program.
4. Add Preprocessing

Alternative 12: 60.1% accurate, 5.1× speedup

Math

\[\begin{array}{l} \\ x - a \end{array} \]

FPCore

(FPCore (x y z t a) :precision binary64 (- x a))

C

double code(double x, double y, double z, double t, double a) {
	return x - a;
}

Fortran

module fmin_fmax_functions
    implicit none
    private
    public fmax
    public fmin

    interface fmax
        module procedure fmax88
        module procedure fmax44
        module procedure fmax84
        module procedure fmax48
    end interface
    interface fmin
        module procedure fmin88
        module procedure fmin44
        module procedure fmin84
        module procedure fmin48
    end interface
contains
    real(8) function fmax88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(4) function fmax44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(8) function fmax84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmax48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
    end function
    real(8) function fmin88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(4) function fmin44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(8) function fmin84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmin48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
    end function
end module

real(8) function code(x, y, z, t, a)
use fmin_fmax_functions
    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
    code = x - a
end function

Java

public static double code(double x, double y, double z, double t, double a) {
	return x - a;
}

Python

def code(x, y, z, t, a):
	return x - a

Julia

function code(x, y, z, t, a)
	return Float64(x - a)
end

MATLAB

function tmp = code(x, y, z, t, a)
	tmp = x - a;
end

Wolfram

code[x_, y_, z_, t_, a_] := N[(x - a), $MachinePrecision]

Derivation

1. Initial program 96.8%

   \[x - \frac{y - z}{\frac{\left(t - z\right) + 1}{a}} \]

2. Taylor expanded in z around inf

   \[\leadsto x - \color{blue}{a} \]
3. Step-by-step derivation

4. Applied rewrites 60.1%

   \[\leadsto x - \color{blue}{a} \]
5. Add Preprocessing

Reproduce

herbie shell --seed 2025156 
(FPCore (x y z t a)
  :name "Graphics.Rendering.Chart.SparkLine:renderSparkLine from Chart-1.5.3"
  :precision binary64
  (- x (/ (- y z) (/ (+ (- t z) 1.0) a))))