
(FPCore (x y z t) :precision binary64 (+ x (/ (* (- y x) z) t)))
double code(double x, double y, double z, double t) {
return x + (((y - x) * z) / t);
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = x + (((y - x) * z) / t)
end function
public static double code(double x, double y, double z, double t) {
return x + (((y - x) * z) / t);
}
def code(x, y, z, t): return x + (((y - x) * z) / t)
function code(x, y, z, t) return Float64(x + Float64(Float64(Float64(y - x) * z) / t)) end
function tmp = code(x, y, z, t) tmp = x + (((y - x) * z) / t); end
code[x_, y_, z_, t_] := N[(x + N[(N[(N[(y - x), $MachinePrecision] * z), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{\left(y - x\right) \cdot z}{t}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 8 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t) :precision binary64 (+ x (/ (* (- y x) z) t)))
double code(double x, double y, double z, double t) {
return x + (((y - x) * z) / t);
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = x + (((y - x) * z) / t)
end function
public static double code(double x, double y, double z, double t) {
return x + (((y - x) * z) / t);
}
def code(x, y, z, t): return x + (((y - x) * z) / t)
function code(x, y, z, t) return Float64(x + Float64(Float64(Float64(y - x) * z) / t)) end
function tmp = code(x, y, z, t) tmp = x + (((y - x) * z) / t); end
code[x_, y_, z_, t_] := N[(x + N[(N[(N[(y - x), $MachinePrecision] * z), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{\left(y - x\right) \cdot z}{t}
\end{array}
(FPCore (x y z t) :precision binary64 (fma (/ z t) (- y x) x))
double code(double x, double y, double z, double t) {
return fma((z / t), (y - x), x);
}
function code(x, y, z, t) return fma(Float64(z / t), Float64(y - x), x) end
code[x_, y_, z_, t_] := N[(N[(z / t), $MachinePrecision] * N[(y - x), $MachinePrecision] + x), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\frac{z}{t}, y - x, x\right)
\end{array}
Initial program 93.3%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6498.6
Applied rewrites98.6%
(FPCore (x y z t)
:precision binary64
(let* ((t_1 (* (- y x) (/ z t))) (t_2 (+ (/ (* (- y x) z) t) x)))
(if (<= t_2 (- INFINITY))
t_1
(if (<= t_2 1e+193) (+ (/ (* y z) t) x) t_1))))
double code(double x, double y, double z, double t) {
double t_1 = (y - x) * (z / t);
double t_2 = (((y - x) * z) / t) + x;
double tmp;
if (t_2 <= -((double) INFINITY)) {
tmp = t_1;
} else if (t_2 <= 1e+193) {
tmp = ((y * z) / t) + x;
} else {
tmp = t_1;
}
return tmp;
}
public static double code(double x, double y, double z, double t) {
double t_1 = (y - x) * (z / t);
double t_2 = (((y - x) * z) / t) + x;
double tmp;
if (t_2 <= -Double.POSITIVE_INFINITY) {
tmp = t_1;
} else if (t_2 <= 1e+193) {
tmp = ((y * z) / t) + x;
} else {
tmp = t_1;
}
return tmp;
}
def code(x, y, z, t): t_1 = (y - x) * (z / t) t_2 = (((y - x) * z) / t) + x tmp = 0 if t_2 <= -math.inf: tmp = t_1 elif t_2 <= 1e+193: tmp = ((y * z) / t) + x else: tmp = t_1 return tmp
function code(x, y, z, t) t_1 = Float64(Float64(y - x) * Float64(z / t)) t_2 = Float64(Float64(Float64(Float64(y - x) * z) / t) + x) tmp = 0.0 if (t_2 <= Float64(-Inf)) tmp = t_1; elseif (t_2 <= 1e+193) tmp = Float64(Float64(Float64(y * z) / t) + x); else tmp = t_1; end return tmp end
function tmp_2 = code(x, y, z, t) t_1 = (y - x) * (z / t); t_2 = (((y - x) * z) / t) + x; tmp = 0.0; if (t_2 <= -Inf) tmp = t_1; elseif (t_2 <= 1e+193) tmp = ((y * z) / t) + x; else tmp = t_1; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(N[(N[(y - x), $MachinePrecision] * z), $MachinePrecision] / t), $MachinePrecision] + x), $MachinePrecision]}, If[LessEqual[t$95$2, (-Infinity)], t$95$1, If[LessEqual[t$95$2, 1e+193], N[(N[(N[(y * z), $MachinePrecision] / t), $MachinePrecision] + x), $MachinePrecision], t$95$1]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \left(y - x\right) \cdot \frac{z}{t}\\
t_2 := \frac{\left(y - x\right) \cdot z}{t} + x\\
\mathbf{if}\;t\_2 \leq -\infty:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;t\_2 \leq 10^{+193}:\\
\;\;\;\;\frac{y \cdot z}{t} + x\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if (+.f64 x (/.f64 (*.f64 (-.f64 y x) z) t)) < -inf.0 or 1.00000000000000007e193 < (+.f64 x (/.f64 (*.f64 (-.f64 y x) z) t)) Initial program 86.0%
Taylor expanded in t around 0
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower--.f6480.2
Applied rewrites80.2%
Applied rewrites89.7%
if -inf.0 < (+.f64 x (/.f64 (*.f64 (-.f64 y x) z) t)) < 1.00000000000000007e193Initial program 98.5%
Taylor expanded in y around inf
lower-*.f6485.2
Applied rewrites85.2%
Final simplification87.1%
(FPCore (x y z t) :precision binary64 (let* ((t_1 (+ (/ (* (- y x) z) t) x)) (t_2 (* (- y x) (/ z t)))) (if (<= t_1 -2e+24) t_2 (if (<= t_1 4e+157) (/ (* x t) t) t_2))))
double code(double x, double y, double z, double t) {
double t_1 = (((y - x) * z) / t) + x;
double t_2 = (y - x) * (z / t);
double tmp;
if (t_1 <= -2e+24) {
tmp = t_2;
} else if (t_1 <= 4e+157) {
tmp = (x * t) / t;
} else {
tmp = t_2;
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: t_1
real(8) :: t_2
real(8) :: tmp
t_1 = (((y - x) * z) / t) + x
t_2 = (y - x) * (z / t)
if (t_1 <= (-2d+24)) then
tmp = t_2
else if (t_1 <= 4d+157) then
tmp = (x * t) / t
else
tmp = t_2
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double t_1 = (((y - x) * z) / t) + x;
double t_2 = (y - x) * (z / t);
double tmp;
if (t_1 <= -2e+24) {
tmp = t_2;
} else if (t_1 <= 4e+157) {
tmp = (x * t) / t;
} else {
tmp = t_2;
}
return tmp;
}
def code(x, y, z, t): t_1 = (((y - x) * z) / t) + x t_2 = (y - x) * (z / t) tmp = 0 if t_1 <= -2e+24: tmp = t_2 elif t_1 <= 4e+157: tmp = (x * t) / t else: tmp = t_2 return tmp
function code(x, y, z, t) t_1 = Float64(Float64(Float64(Float64(y - x) * z) / t) + x) t_2 = Float64(Float64(y - x) * Float64(z / t)) tmp = 0.0 if (t_1 <= -2e+24) tmp = t_2; elseif (t_1 <= 4e+157) tmp = Float64(Float64(x * t) / t); else tmp = t_2; end return tmp end
function tmp_2 = code(x, y, z, t) t_1 = (((y - x) * z) / t) + x; t_2 = (y - x) * (z / t); tmp = 0.0; if (t_1 <= -2e+24) tmp = t_2; elseif (t_1 <= 4e+157) tmp = (x * t) / t; else tmp = t_2; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(N[(N[(y - x), $MachinePrecision] * z), $MachinePrecision] / t), $MachinePrecision] + x), $MachinePrecision]}, Block[{t$95$2 = N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -2e+24], t$95$2, If[LessEqual[t$95$1, 4e+157], N[(N[(x * t), $MachinePrecision] / t), $MachinePrecision], t$95$2]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{\left(y - x\right) \cdot z}{t} + x\\
t_2 := \left(y - x\right) \cdot \frac{z}{t}\\
\mathbf{if}\;t\_1 \leq -2 \cdot 10^{+24}:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;t\_1 \leq 4 \cdot 10^{+157}:\\
\;\;\;\;\frac{x \cdot t}{t}\\
\mathbf{else}:\\
\;\;\;\;t\_2\\
\end{array}
\end{array}
if (+.f64 x (/.f64 (*.f64 (-.f64 y x) z) t)) < -2e24 or 3.99999999999999993e157 < (+.f64 x (/.f64 (*.f64 (-.f64 y x) z) t)) Initial program 90.8%
Taylor expanded in t around 0
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower--.f6474.8
Applied rewrites74.8%
Applied rewrites80.5%
if -2e24 < (+.f64 x (/.f64 (*.f64 (-.f64 y x) z) t)) < 3.99999999999999993e157Initial program 97.8%
Taylor expanded in t around 0
lower-/.f64N/A
lower-fma.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower--.f6491.4
Applied rewrites91.4%
Taylor expanded in t around inf
Applied rewrites62.8%
Final simplification74.1%
(FPCore (x y z t) :precision binary64 (let* ((t_1 (- x (* (/ x t) z)))) (if (<= t -3e-10) t_1 (if (<= t 7.2e+140) (* (- y x) (/ z t)) t_1))))
double code(double x, double y, double z, double t) {
double t_1 = x - ((x / t) * z);
double tmp;
if (t <= -3e-10) {
tmp = t_1;
} else if (t <= 7.2e+140) {
tmp = (y - x) * (z / t);
} else {
tmp = t_1;
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: t_1
real(8) :: tmp
t_1 = x - ((x / t) * z)
if (t <= (-3d-10)) then
tmp = t_1
else if (t <= 7.2d+140) then
tmp = (y - x) * (z / t)
else
tmp = t_1
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double t_1 = x - ((x / t) * z);
double tmp;
if (t <= -3e-10) {
tmp = t_1;
} else if (t <= 7.2e+140) {
tmp = (y - x) * (z / t);
} else {
tmp = t_1;
}
return tmp;
}
def code(x, y, z, t): t_1 = x - ((x / t) * z) tmp = 0 if t <= -3e-10: tmp = t_1 elif t <= 7.2e+140: tmp = (y - x) * (z / t) else: tmp = t_1 return tmp
function code(x, y, z, t) t_1 = Float64(x - Float64(Float64(x / t) * z)) tmp = 0.0 if (t <= -3e-10) tmp = t_1; elseif (t <= 7.2e+140) tmp = Float64(Float64(y - x) * Float64(z / t)); else tmp = t_1; end return tmp end
function tmp_2 = code(x, y, z, t) t_1 = x - ((x / t) * z); tmp = 0.0; if (t <= -3e-10) tmp = t_1; elseif (t <= 7.2e+140) tmp = (y - x) * (z / t); else tmp = t_1; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(x - N[(N[(x / t), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -3e-10], t$95$1, If[LessEqual[t, 7.2e+140], N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision], t$95$1]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := x - \frac{x}{t} \cdot z\\
\mathbf{if}\;t \leq -3 \cdot 10^{-10}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;t \leq 7.2 \cdot 10^{+140}:\\
\;\;\;\;\left(y - x\right) \cdot \frac{z}{t}\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if t < -3e-10 or 7.1999999999999999e140 < t Initial program 85.4%
Taylor expanded in y around 0
mul-1-negN/A
unsub-negN/A
lower--.f64N/A
associate-*l/N/A
lower-*.f64N/A
lower-/.f6481.5
Applied rewrites81.5%
if -3e-10 < t < 7.1999999999999999e140Initial program 97.1%
Taylor expanded in t around 0
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower--.f6477.8
Applied rewrites77.8%
Applied rewrites79.3%
Final simplification80.0%
(FPCore (x y z t) :precision binary64 (let* ((t_1 (* y (/ z t)))) (if (<= y -6.5e-48) t_1 (if (<= y 6.2e-42) (/ (* x t) t) t_1))))
double code(double x, double y, double z, double t) {
double t_1 = y * (z / t);
double tmp;
if (y <= -6.5e-48) {
tmp = t_1;
} else if (y <= 6.2e-42) {
tmp = (x * t) / t;
} else {
tmp = t_1;
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: t_1
real(8) :: tmp
t_1 = y * (z / t)
if (y <= (-6.5d-48)) then
tmp = t_1
else if (y <= 6.2d-42) then
tmp = (x * t) / t
else
tmp = t_1
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double t_1 = y * (z / t);
double tmp;
if (y <= -6.5e-48) {
tmp = t_1;
} else if (y <= 6.2e-42) {
tmp = (x * t) / t;
} else {
tmp = t_1;
}
return tmp;
}
def code(x, y, z, t): t_1 = y * (z / t) tmp = 0 if y <= -6.5e-48: tmp = t_1 elif y <= 6.2e-42: tmp = (x * t) / t else: tmp = t_1 return tmp
function code(x, y, z, t) t_1 = Float64(y * Float64(z / t)) tmp = 0.0 if (y <= -6.5e-48) tmp = t_1; elseif (y <= 6.2e-42) tmp = Float64(Float64(x * t) / t); else tmp = t_1; end return tmp end
function tmp_2 = code(x, y, z, t) t_1 = y * (z / t); tmp = 0.0; if (y <= -6.5e-48) tmp = t_1; elseif (y <= 6.2e-42) tmp = (x * t) / t; else tmp = t_1; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[y, -6.5e-48], t$95$1, If[LessEqual[y, 6.2e-42], N[(N[(x * t), $MachinePrecision] / t), $MachinePrecision], t$95$1]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := y \cdot \frac{z}{t}\\
\mathbf{if}\;y \leq -6.5 \cdot 10^{-48}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;y \leq 6.2 \cdot 10^{-42}:\\
\;\;\;\;\frac{x \cdot t}{t}\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if y < -6.5e-48 or 6.2000000000000005e-42 < y Initial program 91.4%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6499.0
Applied rewrites99.0%
Taylor expanded in y around inf
*-commutativeN/A
associate-*l/N/A
lower-*.f64N/A
lower-/.f6459.6
Applied rewrites59.6%
if -6.5e-48 < y < 6.2000000000000005e-42Initial program 96.2%
Taylor expanded in t around 0
lower-/.f64N/A
lower-fma.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower--.f6490.5
Applied rewrites90.5%
Taylor expanded in t around inf
Applied rewrites50.3%
Final simplification55.9%
(FPCore (x y z t) :precision binary64 (let* ((t_1 (/ (* y z) t))) (if (<= y -6.5e-48) t_1 (if (<= y 1.4e-41) (/ (* x t) t) t_1))))
double code(double x, double y, double z, double t) {
double t_1 = (y * z) / t;
double tmp;
if (y <= -6.5e-48) {
tmp = t_1;
} else if (y <= 1.4e-41) {
tmp = (x * t) / t;
} else {
tmp = t_1;
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: t_1
real(8) :: tmp
t_1 = (y * z) / t
if (y <= (-6.5d-48)) then
tmp = t_1
else if (y <= 1.4d-41) then
tmp = (x * t) / t
else
tmp = t_1
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double t_1 = (y * z) / t;
double tmp;
if (y <= -6.5e-48) {
tmp = t_1;
} else if (y <= 1.4e-41) {
tmp = (x * t) / t;
} else {
tmp = t_1;
}
return tmp;
}
def code(x, y, z, t): t_1 = (y * z) / t tmp = 0 if y <= -6.5e-48: tmp = t_1 elif y <= 1.4e-41: tmp = (x * t) / t else: tmp = t_1 return tmp
function code(x, y, z, t) t_1 = Float64(Float64(y * z) / t) tmp = 0.0 if (y <= -6.5e-48) tmp = t_1; elseif (y <= 1.4e-41) tmp = Float64(Float64(x * t) / t); else tmp = t_1; end return tmp end
function tmp_2 = code(x, y, z, t) t_1 = (y * z) / t; tmp = 0.0; if (y <= -6.5e-48) tmp = t_1; elseif (y <= 1.4e-41) tmp = (x * t) / t; else tmp = t_1; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(y * z), $MachinePrecision] / t), $MachinePrecision]}, If[LessEqual[y, -6.5e-48], t$95$1, If[LessEqual[y, 1.4e-41], N[(N[(x * t), $MachinePrecision] / t), $MachinePrecision], t$95$1]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{y \cdot z}{t}\\
\mathbf{if}\;y \leq -6.5 \cdot 10^{-48}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;y \leq 1.4 \cdot 10^{-41}:\\
\;\;\;\;\frac{x \cdot t}{t}\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if y < -6.5e-48 or 1.4000000000000001e-41 < y Initial program 91.4%
Taylor expanded in y around inf
associate-*l/N/A
lower-*.f64N/A
lower-/.f6452.3
Applied rewrites52.3%
Applied rewrites56.2%
if -6.5e-48 < y < 1.4000000000000001e-41Initial program 96.2%
Taylor expanded in t around 0
lower-/.f64N/A
lower-fma.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower--.f6490.5
Applied rewrites90.5%
Taylor expanded in t around inf
Applied rewrites50.3%
Final simplification53.8%
(FPCore (x y z t) :precision binary64 (let* ((t_1 (* (/ y t) z))) (if (<= y -6.5e-48) t_1 (if (<= y 1.4e-41) (/ (* x t) t) t_1))))
double code(double x, double y, double z, double t) {
double t_1 = (y / t) * z;
double tmp;
if (y <= -6.5e-48) {
tmp = t_1;
} else if (y <= 1.4e-41) {
tmp = (x * t) / t;
} else {
tmp = t_1;
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: t_1
real(8) :: tmp
t_1 = (y / t) * z
if (y <= (-6.5d-48)) then
tmp = t_1
else if (y <= 1.4d-41) then
tmp = (x * t) / t
else
tmp = t_1
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double t_1 = (y / t) * z;
double tmp;
if (y <= -6.5e-48) {
tmp = t_1;
} else if (y <= 1.4e-41) {
tmp = (x * t) / t;
} else {
tmp = t_1;
}
return tmp;
}
def code(x, y, z, t): t_1 = (y / t) * z tmp = 0 if y <= -6.5e-48: tmp = t_1 elif y <= 1.4e-41: tmp = (x * t) / t else: tmp = t_1 return tmp
function code(x, y, z, t) t_1 = Float64(Float64(y / t) * z) tmp = 0.0 if (y <= -6.5e-48) tmp = t_1; elseif (y <= 1.4e-41) tmp = Float64(Float64(x * t) / t); else tmp = t_1; end return tmp end
function tmp_2 = code(x, y, z, t) t_1 = (y / t) * z; tmp = 0.0; if (y <= -6.5e-48) tmp = t_1; elseif (y <= 1.4e-41) tmp = (x * t) / t; else tmp = t_1; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(y / t), $MachinePrecision] * z), $MachinePrecision]}, If[LessEqual[y, -6.5e-48], t$95$1, If[LessEqual[y, 1.4e-41], N[(N[(x * t), $MachinePrecision] / t), $MachinePrecision], t$95$1]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{y}{t} \cdot z\\
\mathbf{if}\;y \leq -6.5 \cdot 10^{-48}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;y \leq 1.4 \cdot 10^{-41}:\\
\;\;\;\;\frac{x \cdot t}{t}\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if y < -6.5e-48 or 1.4000000000000001e-41 < y Initial program 91.4%
Taylor expanded in y around inf
associate-*l/N/A
lower-*.f64N/A
lower-/.f6452.3
Applied rewrites52.3%
if -6.5e-48 < y < 1.4000000000000001e-41Initial program 96.2%
Taylor expanded in t around 0
lower-/.f64N/A
lower-fma.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower--.f6490.5
Applied rewrites90.5%
Taylor expanded in t around inf
Applied rewrites50.3%
Final simplification51.5%
(FPCore (x y z t) :precision binary64 (* (/ y t) z))
double code(double x, double y, double z, double t) {
return (y / t) * z;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = (y / t) * z
end function
public static double code(double x, double y, double z, double t) {
return (y / t) * z;
}
def code(x, y, z, t): return (y / t) * z
function code(x, y, z, t) return Float64(Float64(y / t) * z) end
function tmp = code(x, y, z, t) tmp = (y / t) * z; end
code[x_, y_, z_, t_] := N[(N[(y / t), $MachinePrecision] * z), $MachinePrecision]
\begin{array}{l}
\\
\frac{y}{t} \cdot z
\end{array}
Initial program 93.3%
Taylor expanded in y around inf
associate-*l/N/A
lower-*.f64N/A
lower-/.f6435.4
Applied rewrites35.4%
(FPCore (x y z t)
:precision binary64
(if (< x -9.025511195533005e-135)
(- x (* (/ z t) (- x y)))
(if (< x 4.275032163700715e-250)
(+ x (* (/ (- y x) t) z))
(+ x (/ (- y x) (/ t z))))))
double code(double x, double y, double z, double t) {
double tmp;
if (x < -9.025511195533005e-135) {
tmp = x - ((z / t) * (x - y));
} else if (x < 4.275032163700715e-250) {
tmp = x + (((y - x) / t) * z);
} else {
tmp = x + ((y - x) / (t / z));
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: tmp
if (x < (-9.025511195533005d-135)) then
tmp = x - ((z / t) * (x - y))
else if (x < 4.275032163700715d-250) then
tmp = x + (((y - x) / t) * z)
else
tmp = x + ((y - x) / (t / z))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if (x < -9.025511195533005e-135) {
tmp = x - ((z / t) * (x - y));
} else if (x < 4.275032163700715e-250) {
tmp = x + (((y - x) / t) * z);
} else {
tmp = x + ((y - x) / (t / z));
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if x < -9.025511195533005e-135: tmp = x - ((z / t) * (x - y)) elif x < 4.275032163700715e-250: tmp = x + (((y - x) / t) * z) else: tmp = x + ((y - x) / (t / z)) return tmp
function code(x, y, z, t) tmp = 0.0 if (x < -9.025511195533005e-135) tmp = Float64(x - Float64(Float64(z / t) * Float64(x - y))); elseif (x < 4.275032163700715e-250) tmp = Float64(x + Float64(Float64(Float64(y - x) / t) * z)); else tmp = Float64(x + Float64(Float64(y - x) / Float64(t / z))); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if (x < -9.025511195533005e-135) tmp = x - ((z / t) * (x - y)); elseif (x < 4.275032163700715e-250) tmp = x + (((y - x) / t) * z); else tmp = x + ((y - x) / (t / z)); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Less[x, -9.025511195533005e-135], N[(x - N[(N[(z / t), $MachinePrecision] * N[(x - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[Less[x, 4.275032163700715e-250], N[(x + N[(N[(N[(y - x), $MachinePrecision] / t), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision], N[(x + N[(N[(y - x), $MachinePrecision] / N[(t / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x < -9.025511195533005 \cdot 10^{-135}:\\
\;\;\;\;x - \frac{z}{t} \cdot \left(x - y\right)\\
\mathbf{elif}\;x < 4.275032163700715 \cdot 10^{-250}:\\
\;\;\;\;x + \frac{y - x}{t} \cdot z\\
\mathbf{else}:\\
\;\;\;\;x + \frac{y - x}{\frac{t}{z}}\\
\end{array}
\end{array}
herbie shell --seed 2024277
(FPCore (x y z t)
:name "Numeric.Histogram:binBounds from Chart-1.5.3"
:precision binary64
:alt
(! :herbie-platform default (if (< x -1805102239106601/200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (- x (* (/ z t) (- x y))) (if (< x 855006432740143/2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (+ x (* (/ (- y x) t) z)) (+ x (/ (- y x) (/ t z))))))
(+ x (/ (* (- y x) z) t)))