
(FPCore (x y z t a) :precision binary64 (+ x (/ (* y (- z t)) (- a t))))
double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (a - t));
}
real(8) function code(x, y, z, t, a)
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)) / (a - t))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (a - t));
}
def code(x, y, z, t, a): return x + ((y * (z - t)) / (a - t))
function code(x, y, z, t, a) return Float64(x + Float64(Float64(y * Float64(z - t)) / Float64(a - t))) end
function tmp = code(x, y, z, t, a) tmp = x + ((y * (z - t)) / (a - t)); end
code[x_, y_, z_, t_, a_] := N[(x + N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y \cdot \left(z - t\right)}{a - t}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 10 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t a) :precision binary64 (+ x (/ (* y (- z t)) (- a t))))
double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (a - t));
}
real(8) function code(x, y, z, t, a)
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)) / (a - t))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (a - t));
}
def code(x, y, z, t, a): return x + ((y * (z - t)) / (a - t))
function code(x, y, z, t, a) return Float64(x + Float64(Float64(y * Float64(z - t)) / Float64(a - t))) end
function tmp = code(x, y, z, t, a) tmp = x + ((y * (z - t)) / (a - t)); end
code[x_, y_, z_, t_, a_] := N[(x + N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y \cdot \left(z - t\right)}{a - t}
\end{array}
(FPCore (x y z t a) :precision binary64 (+ (/ y (/ (- a t) (- z t))) x))
double code(double x, double y, double z, double t, double a) {
return (y / ((a - t) / (z - t))) + x;
}
real(8) function code(x, y, z, t, a)
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 = (y / ((a - t) / (z - t))) + x
end function
public static double code(double x, double y, double z, double t, double a) {
return (y / ((a - t) / (z - t))) + x;
}
def code(x, y, z, t, a): return (y / ((a - t) / (z - t))) + x
function code(x, y, z, t, a) return Float64(Float64(y / Float64(Float64(a - t) / Float64(z - t))) + x) end
function tmp = code(x, y, z, t, a) tmp = (y / ((a - t) / (z - t))) + x; end
code[x_, y_, z_, t_, a_] := N[(N[(y / N[(N[(a - t), $MachinePrecision] / N[(z - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + x), $MachinePrecision]
\begin{array}{l}
\\
\frac{y}{\frac{a - t}{z - t}} + x
\end{array}
Initial program 85.8%
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
clear-numN/A
un-div-invN/A
lower-/.f64N/A
lower-/.f6498.4
Applied rewrites98.4%
Final simplification98.4%
(FPCore (x y z t a) :precision binary64 (let* ((t_1 (fma (- 1.0 (/ z t)) y x))) (if (<= t -1.26e+35) t_1 (if (<= t 1.1e+56) (fma (/ (- z t) a) y x) t_1))))
double code(double x, double y, double z, double t, double a) {
double t_1 = fma((1.0 - (z / t)), y, x);
double tmp;
if (t <= -1.26e+35) {
tmp = t_1;
} else if (t <= 1.1e+56) {
tmp = fma(((z - t) / a), y, x);
} else {
tmp = t_1;
}
return tmp;
}
function code(x, y, z, t, a) t_1 = fma(Float64(1.0 - Float64(z / t)), y, x) tmp = 0.0 if (t <= -1.26e+35) tmp = t_1; elseif (t <= 1.1e+56) tmp = fma(Float64(Float64(z - t) / a), y, x); else tmp = t_1; end return tmp end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(1.0 - N[(z / t), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision]}, If[LessEqual[t, -1.26e+35], t$95$1, If[LessEqual[t, 1.1e+56], N[(N[(N[(z - t), $MachinePrecision] / a), $MachinePrecision] * y + x), $MachinePrecision], t$95$1]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \mathsf{fma}\left(1 - \frac{z}{t}, y, x\right)\\
\mathbf{if}\;t \leq -1.26 \cdot 10^{+35}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;t \leq 1.1 \cdot 10^{+56}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z - t}{a}, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if t < -1.26e35 or 1.10000000000000008e56 < t Initial program 74.5%
Taylor expanded in a around 0
+-commutativeN/A
mul-1-negN/A
associate-/l*N/A
*-commutativeN/A
distribute-lft-neg-inN/A
lower-fma.f64N/A
neg-sub0N/A
div-subN/A
*-inversesN/A
associate-+l-N/A
neg-sub0N/A
mul-1-negN/A
+-commutativeN/A
mul-1-negN/A
unsub-negN/A
lower--.f64N/A
lower-/.f6495.2
Applied rewrites95.2%
if -1.26e35 < t < 1.10000000000000008e56Initial program 93.1%
Taylor expanded in a around inf
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6481.0
Applied rewrites81.0%
(FPCore (x y z t a) :precision binary64 (let* ((t_1 (fma (- 1.0 (/ z t)) y x))) (if (<= t -2.7e-39) t_1 (if (<= t 6.5e-77) (fma (/ z a) y x) t_1))))
double code(double x, double y, double z, double t, double a) {
double t_1 = fma((1.0 - (z / t)), y, x);
double tmp;
if (t <= -2.7e-39) {
tmp = t_1;
} else if (t <= 6.5e-77) {
tmp = fma((z / a), y, x);
} else {
tmp = t_1;
}
return tmp;
}
function code(x, y, z, t, a) t_1 = fma(Float64(1.0 - Float64(z / t)), y, x) tmp = 0.0 if (t <= -2.7e-39) tmp = t_1; elseif (t <= 6.5e-77) tmp = fma(Float64(z / a), y, x); else tmp = t_1; end return tmp end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(1.0 - N[(z / t), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision]}, If[LessEqual[t, -2.7e-39], t$95$1, If[LessEqual[t, 6.5e-77], N[(N[(z / a), $MachinePrecision] * y + x), $MachinePrecision], t$95$1]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \mathsf{fma}\left(1 - \frac{z}{t}, y, x\right)\\
\mathbf{if}\;t \leq -2.7 \cdot 10^{-39}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;t \leq 6.5 \cdot 10^{-77}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{a}, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if t < -2.7000000000000001e-39 or 6.4999999999999999e-77 < t Initial program 80.1%
Taylor expanded in a around 0
+-commutativeN/A
mul-1-negN/A
associate-/l*N/A
*-commutativeN/A
distribute-lft-neg-inN/A
lower-fma.f64N/A
neg-sub0N/A
div-subN/A
*-inversesN/A
associate-+l-N/A
neg-sub0N/A
mul-1-negN/A
+-commutativeN/A
mul-1-negN/A
unsub-negN/A
lower--.f64N/A
lower-/.f6484.1
Applied rewrites84.1%
if -2.7000000000000001e-39 < t < 6.4999999999999999e-77Initial program 94.2%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6479.5
Applied rewrites79.5%
(FPCore (x y z t a) :precision binary64 (if (<= t -1.55e+35) (+ y x) (if (<= t 5.2e+29) (fma (/ z a) y x) (+ y x))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (t <= -1.55e+35) {
tmp = y + x;
} else if (t <= 5.2e+29) {
tmp = fma((z / a), y, x);
} else {
tmp = y + x;
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if (t <= -1.55e+35) tmp = Float64(y + x); elseif (t <= 5.2e+29) tmp = fma(Float64(z / a), y, x); else tmp = Float64(y + x); end return tmp end
code[x_, y_, z_, t_, a_] := If[LessEqual[t, -1.55e+35], N[(y + x), $MachinePrecision], If[LessEqual[t, 5.2e+29], N[(N[(z / a), $MachinePrecision] * y + x), $MachinePrecision], N[(y + x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.55 \cdot 10^{+35}:\\
\;\;\;\;y + x\\
\mathbf{elif}\;t \leq 5.2 \cdot 10^{+29}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{a}, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;y + x\\
\end{array}
\end{array}
if t < -1.54999999999999993e35 or 5.2e29 < t Initial program 75.5%
Taylor expanded in t around inf
+-commutativeN/A
lower-+.f6485.2
Applied rewrites85.2%
if -1.54999999999999993e35 < t < 5.2e29Initial program 92.9%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6472.2
Applied rewrites72.2%
(FPCore (x y z t a) :precision binary64 (if (<= t -1.55e+35) (+ y x) (if (<= t 5.2e+29) (fma (/ y a) z x) (+ y x))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (t <= -1.55e+35) {
tmp = y + x;
} else if (t <= 5.2e+29) {
tmp = fma((y / a), z, x);
} else {
tmp = y + x;
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if (t <= -1.55e+35) tmp = Float64(y + x); elseif (t <= 5.2e+29) tmp = fma(Float64(y / a), z, x); else tmp = Float64(y + x); end return tmp end
code[x_, y_, z_, t_, a_] := If[LessEqual[t, -1.55e+35], N[(y + x), $MachinePrecision], If[LessEqual[t, 5.2e+29], N[(N[(y / a), $MachinePrecision] * z + x), $MachinePrecision], N[(y + x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.55 \cdot 10^{+35}:\\
\;\;\;\;y + x\\
\mathbf{elif}\;t \leq 5.2 \cdot 10^{+29}:\\
\;\;\;\;\mathsf{fma}\left(\frac{y}{a}, z, x\right)\\
\mathbf{else}:\\
\;\;\;\;y + x\\
\end{array}
\end{array}
if t < -1.54999999999999993e35 or 5.2e29 < t Initial program 75.5%
Taylor expanded in t around inf
+-commutativeN/A
lower-+.f6485.2
Applied rewrites85.2%
if -1.54999999999999993e35 < t < 5.2e29Initial program 92.9%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6472.2
Applied rewrites72.2%
Taylor expanded in t around 0
+-commutativeN/A
associate-*l/N/A
lower-fma.f64N/A
lower-/.f6471.5
Applied rewrites71.5%
(FPCore (x y z t a) :precision binary64 (fma (/ (- z t) (- a t)) y x))
double code(double x, double y, double z, double t, double a) {
return fma(((z - t) / (a - t)), y, x);
}
function code(x, y, z, t, a) return fma(Float64(Float64(z - t) / Float64(a - t)), y, x) end
code[x_, y_, z_, t_, a_] := N[(N[(N[(z - t), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\frac{z - t}{a - t}, y, x\right)
\end{array}
Initial program 85.8%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6498.4
Applied rewrites98.4%
(FPCore (x y z t a) :precision binary64 (if (<= y 1.2e+177) (+ y x) (* (/ z a) y)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (y <= 1.2e+177) {
tmp = y + x;
} else {
tmp = (z / a) * y;
}
return tmp;
}
real(8) function code(x, y, z, t, a)
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 (y <= 1.2d+177) then
tmp = y + x
else
tmp = (z / a) * y
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if (y <= 1.2e+177) {
tmp = y + x;
} else {
tmp = (z / a) * y;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if y <= 1.2e+177: tmp = y + x else: tmp = (z / a) * y return tmp
function code(x, y, z, t, a) tmp = 0.0 if (y <= 1.2e+177) tmp = Float64(y + x); else tmp = Float64(Float64(z / a) * y); end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if (y <= 1.2e+177) tmp = y + x; else tmp = (z / a) * y; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[LessEqual[y, 1.2e+177], N[(y + x), $MachinePrecision], N[(N[(z / a), $MachinePrecision] * y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq 1.2 \cdot 10^{+177}:\\
\;\;\;\;y + x\\
\mathbf{else}:\\
\;\;\;\;\frac{z}{a} \cdot y\\
\end{array}
\end{array}
if y < 1.2e177Initial program 86.3%
Taylor expanded in t around inf
+-commutativeN/A
lower-+.f6465.5
Applied rewrites65.5%
if 1.2e177 < y Initial program 81.0%
Taylor expanded in z around inf
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f6467.4
Applied rewrites67.4%
Taylor expanded in a around inf
Applied rewrites63.4%
(FPCore (x y z t a) :precision binary64 (if (<= y 1.2e+177) (+ y x) (* (/ y a) z)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (y <= 1.2e+177) {
tmp = y + x;
} else {
tmp = (y / a) * z;
}
return tmp;
}
real(8) function code(x, y, z, t, a)
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 (y <= 1.2d+177) then
tmp = y + x
else
tmp = (y / a) * z
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if (y <= 1.2e+177) {
tmp = y + x;
} else {
tmp = (y / a) * z;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if y <= 1.2e+177: tmp = y + x else: tmp = (y / a) * z return tmp
function code(x, y, z, t, a) tmp = 0.0 if (y <= 1.2e+177) tmp = Float64(y + x); else tmp = Float64(Float64(y / a) * z); end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if (y <= 1.2e+177) tmp = y + x; else tmp = (y / a) * z; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[LessEqual[y, 1.2e+177], N[(y + x), $MachinePrecision], N[(N[(y / a), $MachinePrecision] * z), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq 1.2 \cdot 10^{+177}:\\
\;\;\;\;y + x\\
\mathbf{else}:\\
\;\;\;\;\frac{y}{a} \cdot z\\
\end{array}
\end{array}
if y < 1.2e177Initial program 86.3%
Taylor expanded in t around inf
+-commutativeN/A
lower-+.f6465.5
Applied rewrites65.5%
if 1.2e177 < y Initial program 81.0%
Taylor expanded in t around inf
+-commutativeN/A
lower-+.f6417.4
Applied rewrites17.4%
Taylor expanded in z around inf
associate-*l/N/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f6457.8
Applied rewrites57.8%
Taylor expanded in a around inf
Applied rewrites53.4%
(FPCore (x y z t a) :precision binary64 (if (<= y 1.2e+177) (+ y x) (/ (* z y) a)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (y <= 1.2e+177) {
tmp = y + x;
} else {
tmp = (z * y) / a;
}
return tmp;
}
real(8) function code(x, y, z, t, a)
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 (y <= 1.2d+177) then
tmp = y + x
else
tmp = (z * y) / a
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if (y <= 1.2e+177) {
tmp = y + x;
} else {
tmp = (z * y) / a;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if y <= 1.2e+177: tmp = y + x else: tmp = (z * y) / a return tmp
function code(x, y, z, t, a) tmp = 0.0 if (y <= 1.2e+177) tmp = Float64(y + x); else tmp = Float64(Float64(z * y) / a); end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if (y <= 1.2e+177) tmp = y + x; else tmp = (z * y) / a; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[LessEqual[y, 1.2e+177], N[(y + x), $MachinePrecision], N[(N[(z * y), $MachinePrecision] / a), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq 1.2 \cdot 10^{+177}:\\
\;\;\;\;y + x\\
\mathbf{else}:\\
\;\;\;\;\frac{z \cdot y}{a}\\
\end{array}
\end{array}
if y < 1.2e177Initial program 86.3%
Taylor expanded in t around inf
+-commutativeN/A
lower-+.f6465.5
Applied rewrites65.5%
if 1.2e177 < y Initial program 81.0%
Taylor expanded in z around inf
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f6467.4
Applied rewrites67.4%
Taylor expanded in a around inf
Applied rewrites49.2%
(FPCore (x y z t a) :precision binary64 (+ y x))
double code(double x, double y, double z, double t, double a) {
return y + x;
}
real(8) function code(x, y, z, t, a)
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 = y + x
end function
public static double code(double x, double y, double z, double t, double a) {
return y + x;
}
def code(x, y, z, t, a): return y + x
function code(x, y, z, t, a) return Float64(y + x) end
function tmp = code(x, y, z, t, a) tmp = y + x; end
code[x_, y_, z_, t_, a_] := N[(y + x), $MachinePrecision]
\begin{array}{l}
\\
y + x
\end{array}
Initial program 85.8%
Taylor expanded in t around inf
+-commutativeN/A
lower-+.f6461.8
Applied rewrites61.8%
(FPCore (x y z t a) :precision binary64 (+ x (/ y (/ (- a t) (- z t)))))
double code(double x, double y, double z, double t, double a) {
return x + (y / ((a - t) / (z - t)));
}
real(8) function code(x, y, z, t, a)
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 / ((a - t) / (z - t)))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + (y / ((a - t) / (z - t)));
}
def code(x, y, z, t, a): return x + (y / ((a - t) / (z - t)))
function code(x, y, z, t, a) return Float64(x + Float64(y / Float64(Float64(a - t) / Float64(z - t)))) end
function tmp = code(x, y, z, t, a) tmp = x + (y / ((a - t) / (z - t))); end
code[x_, y_, z_, t_, a_] := N[(x + N[(y / N[(N[(a - t), $MachinePrecision] / N[(z - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y}{\frac{a - t}{z - t}}
\end{array}
herbie shell --seed 2024255
(FPCore (x y z t a)
:name "Graphics.Rendering.Plot.Render.Plot.Axis:renderAxisTicks from plot-0.2.3.4, B"
:precision binary64
:alt
(! :herbie-platform default (+ x (/ y (/ (- a t) (- z t)))))
(+ x (/ (* y (- z t)) (- a t))))