
(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(y - x) * Float64(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[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \left(y - x\right) \cdot \frac{z}{t}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 12 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(y - x) * Float64(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[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \left(y - x\right) \cdot \frac{z}{t}
\end{array}
(FPCore (x y z t) :precision binary64 (if (<= z 2e-16) (fma (/ z t) (- y x) x) (fma z (/ (- y x) t) x)))
double code(double x, double y, double z, double t) {
double tmp;
if (z <= 2e-16) {
tmp = fma((z / t), (y - x), x);
} else {
tmp = fma(z, ((y - x) / t), x);
}
return tmp;
}
function code(x, y, z, t) tmp = 0.0 if (z <= 2e-16) tmp = fma(Float64(z / t), Float64(y - x), x); else tmp = fma(z, Float64(Float64(y - x) / t), x); end return tmp end
code[x_, y_, z_, t_] := If[LessEqual[z, 2e-16], N[(N[(z / t), $MachinePrecision] * N[(y - x), $MachinePrecision] + x), $MachinePrecision], N[(z * N[(N[(y - x), $MachinePrecision] / t), $MachinePrecision] + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq 2 \cdot 10^{-16}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{t}, y - x, x\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(z, \frac{y - x}{t}, x\right)\\
\end{array}
\end{array}
if z < 2e-16Initial program 98.2%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
lower-fma.f6498.2
Applied rewrites98.2%
if 2e-16 < z Initial program 90.5%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
lift-/.f64N/A
associate-*l/N/A
associate-/l*N/A
lower-fma.f64N/A
lower-/.f64100.0
Applied rewrites100.0%
(FPCore (x y z t) :precision binary64 (if (or (<= (/ z t) -500000000000.0) (not (<= (/ z t) 0.01))) (* (/ z t) (- y x)) (+ x (/ (* y z) t))))
double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -500000000000.0) || !((z / t) <= 0.01)) {
tmp = (z / t) * (y - x);
} else {
tmp = x + ((y * z) / t);
}
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 (((z / t) <= (-500000000000.0d0)) .or. (.not. ((z / t) <= 0.01d0))) then
tmp = (z / t) * (y - x)
else
tmp = x + ((y * z) / t)
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -500000000000.0) || !((z / t) <= 0.01)) {
tmp = (z / t) * (y - x);
} else {
tmp = x + ((y * z) / t);
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if ((z / t) <= -500000000000.0) or not ((z / t) <= 0.01): tmp = (z / t) * (y - x) else: tmp = x + ((y * z) / t) return tmp
function code(x, y, z, t) tmp = 0.0 if ((Float64(z / t) <= -500000000000.0) || !(Float64(z / t) <= 0.01)) tmp = Float64(Float64(z / t) * Float64(y - x)); else tmp = Float64(x + Float64(Float64(y * z) / t)); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if (((z / t) <= -500000000000.0) || ~(((z / t) <= 0.01))) tmp = (z / t) * (y - x); else tmp = x + ((y * z) / t); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[N[(z / t), $MachinePrecision], -500000000000.0], N[Not[LessEqual[N[(z / t), $MachinePrecision], 0.01]], $MachinePrecision]], N[(N[(z / t), $MachinePrecision] * N[(y - x), $MachinePrecision]), $MachinePrecision], N[(x + N[(N[(y * z), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z}{t} \leq -500000000000 \lor \neg \left(\frac{z}{t} \leq 0.01\right):\\
\;\;\;\;\frac{z}{t} \cdot \left(y - x\right)\\
\mathbf{else}:\\
\;\;\;\;x + \frac{y \cdot z}{t}\\
\end{array}
\end{array}
if (/.f64 z t) < -5e11 or 0.0100000000000000002 < (/.f64 z t) Initial program 95.4%
Taylor expanded in z around inf
div-subN/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f6492.2
Applied rewrites92.2%
Applied rewrites94.2%
if -5e11 < (/.f64 z t) < 0.0100000000000000002Initial program 98.0%
lift-*.f64N/A
lift-/.f64N/A
associate-*r/N/A
lower-/.f64N/A
*-commutativeN/A
lower-*.f6496.2
Applied rewrites96.2%
Taylor expanded in x around 0
lower-*.f6497.2
Applied rewrites97.2%
Final simplification95.7%
(FPCore (x y z t) :precision binary64 (if (or (<= (/ z t) -2e-126) (not (<= (/ z t) 20.0))) (* (/ z t) (- y x)) (* (- 1.0 (/ z t)) x)))
double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -2e-126) || !((z / t) <= 20.0)) {
tmp = (z / t) * (y - x);
} else {
tmp = (1.0 - (z / t)) * x;
}
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 (((z / t) <= (-2d-126)) .or. (.not. ((z / t) <= 20.0d0))) then
tmp = (z / t) * (y - x)
else
tmp = (1.0d0 - (z / t)) * x
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -2e-126) || !((z / t) <= 20.0)) {
tmp = (z / t) * (y - x);
} else {
tmp = (1.0 - (z / t)) * x;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if ((z / t) <= -2e-126) or not ((z / t) <= 20.0): tmp = (z / t) * (y - x) else: tmp = (1.0 - (z / t)) * x return tmp
function code(x, y, z, t) tmp = 0.0 if ((Float64(z / t) <= -2e-126) || !(Float64(z / t) <= 20.0)) tmp = Float64(Float64(z / t) * Float64(y - x)); else tmp = Float64(Float64(1.0 - Float64(z / t)) * x); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if (((z / t) <= -2e-126) || ~(((z / t) <= 20.0))) tmp = (z / t) * (y - x); else tmp = (1.0 - (z / t)) * x; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[N[(z / t), $MachinePrecision], -2e-126], N[Not[LessEqual[N[(z / t), $MachinePrecision], 20.0]], $MachinePrecision]], N[(N[(z / t), $MachinePrecision] * N[(y - x), $MachinePrecision]), $MachinePrecision], N[(N[(1.0 - N[(z / t), $MachinePrecision]), $MachinePrecision] * x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z}{t} \leq -2 \cdot 10^{-126} \lor \neg \left(\frac{z}{t} \leq 20\right):\\
\;\;\;\;\frac{z}{t} \cdot \left(y - x\right)\\
\mathbf{else}:\\
\;\;\;\;\left(1 - \frac{z}{t}\right) \cdot x\\
\end{array}
\end{array}
if (/.f64 z t) < -1.9999999999999999e-126 or 20 < (/.f64 z t) Initial program 95.9%
Taylor expanded in z around inf
div-subN/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f6486.0
Applied rewrites86.0%
Applied rewrites90.3%
if -1.9999999999999999e-126 < (/.f64 z t) < 20Initial program 97.7%
Taylor expanded in x around inf
*-commutativeN/A
lower-*.f64N/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f64N/A
lower-/.f6483.6
Applied rewrites83.6%
Final simplification87.4%
(FPCore (x y z t)
:precision binary64
(if (<= (/ z t) -2e-126)
(* (/ z t) (- y x))
(if (<= (/ z t) 20000000000000.0)
(* (- 1.0 (/ z t)) x)
(/ (* (- y x) z) t))))
double code(double x, double y, double z, double t) {
double tmp;
if ((z / t) <= -2e-126) {
tmp = (z / t) * (y - x);
} else if ((z / t) <= 20000000000000.0) {
tmp = (1.0 - (z / t)) * x;
} else {
tmp = ((y - x) * z) / t;
}
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 ((z / t) <= (-2d-126)) then
tmp = (z / t) * (y - x)
else if ((z / t) <= 20000000000000.0d0) then
tmp = (1.0d0 - (z / t)) * x
else
tmp = ((y - x) * z) / t
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((z / t) <= -2e-126) {
tmp = (z / t) * (y - x);
} else if ((z / t) <= 20000000000000.0) {
tmp = (1.0 - (z / t)) * x;
} else {
tmp = ((y - x) * z) / t;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (z / t) <= -2e-126: tmp = (z / t) * (y - x) elif (z / t) <= 20000000000000.0: tmp = (1.0 - (z / t)) * x else: tmp = ((y - x) * z) / t return tmp
function code(x, y, z, t) tmp = 0.0 if (Float64(z / t) <= -2e-126) tmp = Float64(Float64(z / t) * Float64(y - x)); elseif (Float64(z / t) <= 20000000000000.0) tmp = Float64(Float64(1.0 - Float64(z / t)) * x); else tmp = Float64(Float64(Float64(y - x) * z) / t); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((z / t) <= -2e-126) tmp = (z / t) * (y - x); elseif ((z / t) <= 20000000000000.0) tmp = (1.0 - (z / t)) * x; else tmp = ((y - x) * z) / t; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[LessEqual[N[(z / t), $MachinePrecision], -2e-126], N[(N[(z / t), $MachinePrecision] * N[(y - x), $MachinePrecision]), $MachinePrecision], If[LessEqual[N[(z / t), $MachinePrecision], 20000000000000.0], N[(N[(1.0 - N[(z / t), $MachinePrecision]), $MachinePrecision] * x), $MachinePrecision], N[(N[(N[(y - x), $MachinePrecision] * z), $MachinePrecision] / t), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z}{t} \leq -2 \cdot 10^{-126}:\\
\;\;\;\;\frac{z}{t} \cdot \left(y - x\right)\\
\mathbf{elif}\;\frac{z}{t} \leq 20000000000000:\\
\;\;\;\;\left(1 - \frac{z}{t}\right) \cdot x\\
\mathbf{else}:\\
\;\;\;\;\frac{\left(y - x\right) \cdot z}{t}\\
\end{array}
\end{array}
if (/.f64 z t) < -1.9999999999999999e-126Initial program 97.5%
Taylor expanded in z around inf
div-subN/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f6482.3
Applied rewrites82.3%
Applied rewrites87.9%
if -1.9999999999999999e-126 < (/.f64 z t) < 2e13Initial program 97.8%
Taylor expanded in x around inf
*-commutativeN/A
lower-*.f64N/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f64N/A
lower-/.f6482.5
Applied rewrites82.5%
if 2e13 < (/.f64 z t) Initial program 93.5%
Taylor expanded in z around inf
div-subN/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f6492.1
Applied rewrites92.1%
Applied rewrites96.6%
Final simplification87.5%
(FPCore (x y z t) :precision binary64 (if (or (<= z -1.65e-241) (not (<= z 3.4e-76))) (fma z (/ (- y x) t) x) (+ x (/ (* y z) t))))
double code(double x, double y, double z, double t) {
double tmp;
if ((z <= -1.65e-241) || !(z <= 3.4e-76)) {
tmp = fma(z, ((y - x) / t), x);
} else {
tmp = x + ((y * z) / t);
}
return tmp;
}
function code(x, y, z, t) tmp = 0.0 if ((z <= -1.65e-241) || !(z <= 3.4e-76)) tmp = fma(z, Float64(Float64(y - x) / t), x); else tmp = Float64(x + Float64(Float64(y * z) / t)); end return tmp end
code[x_, y_, z_, t_] := If[Or[LessEqual[z, -1.65e-241], N[Not[LessEqual[z, 3.4e-76]], $MachinePrecision]], N[(z * N[(N[(y - x), $MachinePrecision] / t), $MachinePrecision] + x), $MachinePrecision], N[(x + N[(N[(y * z), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1.65 \cdot 10^{-241} \lor \neg \left(z \leq 3.4 \cdot 10^{-76}\right):\\
\;\;\;\;\mathsf{fma}\left(z, \frac{y - x}{t}, x\right)\\
\mathbf{else}:\\
\;\;\;\;x + \frac{y \cdot z}{t}\\
\end{array}
\end{array}
if z < -1.6499999999999999e-241 or 3.3999999999999999e-76 < z Initial program 96.4%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
lift-/.f64N/A
associate-*l/N/A
associate-/l*N/A
lower-fma.f64N/A
lower-/.f6496.4
Applied rewrites96.4%
if -1.6499999999999999e-241 < z < 3.3999999999999999e-76Initial program 97.4%
lift-*.f64N/A
lift-/.f64N/A
associate-*r/N/A
lower-/.f64N/A
*-commutativeN/A
lower-*.f6499.9
Applied rewrites99.9%
Taylor expanded in x around 0
lower-*.f6495.4
Applied rewrites95.4%
Final simplification96.2%
(FPCore (x y z t) :precision binary64 (if (or (<= y -4.6e+41) (not (<= y 2.25e+27))) (* (/ z t) y) (* (- 1.0 (/ z t)) x)))
double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -4.6e+41) || !(y <= 2.25e+27)) {
tmp = (z / t) * y;
} else {
tmp = (1.0 - (z / t)) * x;
}
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 ((y <= (-4.6d+41)) .or. (.not. (y <= 2.25d+27))) then
tmp = (z / t) * y
else
tmp = (1.0d0 - (z / t)) * x
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -4.6e+41) || !(y <= 2.25e+27)) {
tmp = (z / t) * y;
} else {
tmp = (1.0 - (z / t)) * x;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (y <= -4.6e+41) or not (y <= 2.25e+27): tmp = (z / t) * y else: tmp = (1.0 - (z / t)) * x return tmp
function code(x, y, z, t) tmp = 0.0 if ((y <= -4.6e+41) || !(y <= 2.25e+27)) tmp = Float64(Float64(z / t) * y); else tmp = Float64(Float64(1.0 - Float64(z / t)) * x); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((y <= -4.6e+41) || ~((y <= 2.25e+27))) tmp = (z / t) * y; else tmp = (1.0 - (z / t)) * x; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -4.6e+41], N[Not[LessEqual[y, 2.25e+27]], $MachinePrecision]], N[(N[(z / t), $MachinePrecision] * y), $MachinePrecision], N[(N[(1.0 - N[(z / t), $MachinePrecision]), $MachinePrecision] * x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -4.6 \cdot 10^{+41} \lor \neg \left(y \leq 2.25 \cdot 10^{+27}\right):\\
\;\;\;\;\frac{z}{t} \cdot y\\
\mathbf{else}:\\
\;\;\;\;\left(1 - \frac{z}{t}\right) \cdot x\\
\end{array}
\end{array}
if y < -4.5999999999999997e41 or 2.25e27 < y Initial program 97.7%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
lower-fma.f6497.7
Applied rewrites97.7%
Taylor expanded in x around 0
*-commutativeN/A
associate-*l/N/A
lower-*.f64N/A
lower-/.f6467.8
Applied rewrites67.8%
if -4.5999999999999997e41 < y < 2.25e27Initial program 95.9%
Taylor expanded in x around inf
*-commutativeN/A
lower-*.f64N/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f64N/A
lower-/.f6483.4
Applied rewrites83.4%
Final simplification76.3%
(FPCore (x y z t) :precision binary64 (if (or (<= y -4.3e-5) (not (<= y 15500000000000.0))) (* (/ z t) y) (/ (* (- x) z) t)))
double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -4.3e-5) || !(y <= 15500000000000.0)) {
tmp = (z / t) * y;
} else {
tmp = (-x * z) / t;
}
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 ((y <= (-4.3d-5)) .or. (.not. (y <= 15500000000000.0d0))) then
tmp = (z / t) * y
else
tmp = (-x * z) / t
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -4.3e-5) || !(y <= 15500000000000.0)) {
tmp = (z / t) * y;
} else {
tmp = (-x * z) / t;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (y <= -4.3e-5) or not (y <= 15500000000000.0): tmp = (z / t) * y else: tmp = (-x * z) / t return tmp
function code(x, y, z, t) tmp = 0.0 if ((y <= -4.3e-5) || !(y <= 15500000000000.0)) tmp = Float64(Float64(z / t) * y); else tmp = Float64(Float64(Float64(-x) * z) / t); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((y <= -4.3e-5) || ~((y <= 15500000000000.0))) tmp = (z / t) * y; else tmp = (-x * z) / t; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -4.3e-5], N[Not[LessEqual[y, 15500000000000.0]], $MachinePrecision]], N[(N[(z / t), $MachinePrecision] * y), $MachinePrecision], N[(N[((-x) * z), $MachinePrecision] / t), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -4.3 \cdot 10^{-5} \lor \neg \left(y \leq 15500000000000\right):\\
\;\;\;\;\frac{z}{t} \cdot y\\
\mathbf{else}:\\
\;\;\;\;\frac{\left(-x\right) \cdot z}{t}\\
\end{array}
\end{array}
if y < -4.3000000000000002e-5 or 1.55e13 < y Initial program 98.0%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
lower-fma.f6498.0
Applied rewrites98.0%
Taylor expanded in x around 0
*-commutativeN/A
associate-*l/N/A
lower-*.f64N/A
lower-/.f6463.3
Applied rewrites63.3%
if -4.3000000000000002e-5 < y < 1.55e13Initial program 95.2%
Taylor expanded in z around inf
div-subN/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f6446.8
Applied rewrites46.8%
Taylor expanded in x around inf
Applied rewrites37.9%
Applied rewrites38.4%
Final simplification51.5%
(FPCore (x y z t) :precision binary64 (if (or (<= y -4.3e-5) (not (<= y 15500000000000.0))) (* (/ z t) y) (* (/ (- x) t) z)))
double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -4.3e-5) || !(y <= 15500000000000.0)) {
tmp = (z / t) * y;
} else {
tmp = (-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 ((y <= (-4.3d-5)) .or. (.not. (y <= 15500000000000.0d0))) then
tmp = (z / t) * y
else
tmp = (-x / t) * z
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -4.3e-5) || !(y <= 15500000000000.0)) {
tmp = (z / t) * y;
} else {
tmp = (-x / t) * z;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (y <= -4.3e-5) or not (y <= 15500000000000.0): tmp = (z / t) * y else: tmp = (-x / t) * z return tmp
function code(x, y, z, t) tmp = 0.0 if ((y <= -4.3e-5) || !(y <= 15500000000000.0)) tmp = Float64(Float64(z / t) * y); else tmp = Float64(Float64(Float64(-x) / t) * z); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((y <= -4.3e-5) || ~((y <= 15500000000000.0))) tmp = (z / t) * y; else tmp = (-x / t) * z; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -4.3e-5], N[Not[LessEqual[y, 15500000000000.0]], $MachinePrecision]], N[(N[(z / t), $MachinePrecision] * y), $MachinePrecision], N[(N[((-x) / t), $MachinePrecision] * z), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -4.3 \cdot 10^{-5} \lor \neg \left(y \leq 15500000000000\right):\\
\;\;\;\;\frac{z}{t} \cdot y\\
\mathbf{else}:\\
\;\;\;\;\frac{-x}{t} \cdot z\\
\end{array}
\end{array}
if y < -4.3000000000000002e-5 or 1.55e13 < y Initial program 98.0%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
lower-fma.f6498.0
Applied rewrites98.0%
Taylor expanded in x around 0
*-commutativeN/A
associate-*l/N/A
lower-*.f64N/A
lower-/.f6463.3
Applied rewrites63.3%
if -4.3000000000000002e-5 < y < 1.55e13Initial program 95.2%
Taylor expanded in z around inf
div-subN/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f6446.8
Applied rewrites46.8%
Taylor expanded in x around inf
Applied rewrites37.9%
Final simplification51.3%
(FPCore (x y z t) :precision binary64 (if (or (<= y -4.3e-5) (not (<= y 15500000000000.0))) (* (/ z t) y) (* (- x) (/ z t))))
double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -4.3e-5) || !(y <= 15500000000000.0)) {
tmp = (z / t) * y;
} else {
tmp = -x * (z / t);
}
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 ((y <= (-4.3d-5)) .or. (.not. (y <= 15500000000000.0d0))) then
tmp = (z / t) * y
else
tmp = -x * (z / t)
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -4.3e-5) || !(y <= 15500000000000.0)) {
tmp = (z / t) * y;
} else {
tmp = -x * (z / t);
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (y <= -4.3e-5) or not (y <= 15500000000000.0): tmp = (z / t) * y else: tmp = -x * (z / t) return tmp
function code(x, y, z, t) tmp = 0.0 if ((y <= -4.3e-5) || !(y <= 15500000000000.0)) tmp = Float64(Float64(z / t) * y); else tmp = Float64(Float64(-x) * Float64(z / t)); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((y <= -4.3e-5) || ~((y <= 15500000000000.0))) tmp = (z / t) * y; else tmp = -x * (z / t); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -4.3e-5], N[Not[LessEqual[y, 15500000000000.0]], $MachinePrecision]], N[(N[(z / t), $MachinePrecision] * y), $MachinePrecision], N[((-x) * N[(z / t), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -4.3 \cdot 10^{-5} \lor \neg \left(y \leq 15500000000000\right):\\
\;\;\;\;\frac{z}{t} \cdot y\\
\mathbf{else}:\\
\;\;\;\;\left(-x\right) \cdot \frac{z}{t}\\
\end{array}
\end{array}
if y < -4.3000000000000002e-5 or 1.55e13 < y Initial program 98.0%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
lower-fma.f6498.0
Applied rewrites98.0%
Taylor expanded in x around 0
*-commutativeN/A
associate-*l/N/A
lower-*.f64N/A
lower-/.f6463.3
Applied rewrites63.3%
if -4.3000000000000002e-5 < y < 1.55e13Initial program 95.2%
Taylor expanded in z around inf
div-subN/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f6446.8
Applied rewrites46.8%
Taylor expanded in x around inf
Applied rewrites37.9%
Applied rewrites36.5%
Final simplification50.6%
(FPCore (x y z t) :precision binary64 (* (/ z t) y))
double code(double x, double y, double z, double t) {
return (z / t) * y;
}
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 = (z / t) * y
end function
public static double code(double x, double y, double z, double t) {
return (z / t) * y;
}
def code(x, y, z, t): return (z / t) * y
function code(x, y, z, t) return Float64(Float64(z / t) * y) end
function tmp = code(x, y, z, t) tmp = (z / t) * y; end
code[x_, y_, z_, t_] := N[(N[(z / t), $MachinePrecision] * y), $MachinePrecision]
\begin{array}{l}
\\
\frac{z}{t} \cdot y
\end{array}
Initial program 96.7%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
lower-fma.f6496.7
Applied rewrites96.7%
Taylor expanded in x around 0
*-commutativeN/A
associate-*l/N/A
lower-*.f64N/A
lower-/.f6441.4
Applied rewrites41.4%
(FPCore (x y z t) :precision binary64 (/ (* y z) t))
double code(double x, double y, double z, double t) {
return (y * 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 = (y * z) / t
end function
public static double code(double x, double y, double z, double t) {
return (y * z) / t;
}
def code(x, y, z, t): return (y * z) / t
function code(x, y, z, t) return Float64(Float64(y * z) / t) end
function tmp = code(x, y, z, t) tmp = (y * z) / t; end
code[x_, y_, z_, t_] := N[(N[(y * z), $MachinePrecision] / t), $MachinePrecision]
\begin{array}{l}
\\
\frac{y \cdot z}{t}
\end{array}
Initial program 96.7%
Taylor expanded in x around 0
associate-*l/N/A
lower-*.f64N/A
lower-/.f6438.2
Applied rewrites38.2%
Applied rewrites39.6%
Final simplification39.6%
(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 96.7%
Taylor expanded in x around 0
associate-*l/N/A
lower-*.f64N/A
lower-/.f6438.2
Applied rewrites38.2%
Final simplification38.2%
(FPCore (x y z t)
:precision binary64
(let* ((t_1 (* (- y x) (/ z t))) (t_2 (+ x (/ (- y x) (/ t z)))))
(if (< t_1 -1013646692435.8867)
t_2
(if (< t_1 0.0) (+ x (/ (* (- y x) z) t)) t_2))))
double code(double x, double y, double z, double t) {
double t_1 = (y - x) * (z / t);
double t_2 = x + ((y - x) / (t / z));
double tmp;
if (t_1 < -1013646692435.8867) {
tmp = t_2;
} else if (t_1 < 0.0) {
tmp = x + (((y - x) * z) / 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)
t_2 = x + ((y - x) / (t / z))
if (t_1 < (-1013646692435.8867d0)) then
tmp = t_2
else if (t_1 < 0.0d0) then
tmp = x + (((y - x) * z) / 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);
double t_2 = x + ((y - x) / (t / z));
double tmp;
if (t_1 < -1013646692435.8867) {
tmp = t_2;
} else if (t_1 < 0.0) {
tmp = x + (((y - x) * z) / t);
} else {
tmp = t_2;
}
return tmp;
}
def code(x, y, z, t): t_1 = (y - x) * (z / t) t_2 = x + ((y - x) / (t / z)) tmp = 0 if t_1 < -1013646692435.8867: tmp = t_2 elif t_1 < 0.0: tmp = x + (((y - x) * z) / t) else: tmp = t_2 return tmp
function code(x, y, z, t) t_1 = Float64(Float64(y - x) * Float64(z / t)) t_2 = Float64(x + Float64(Float64(y - x) / Float64(t / z))) tmp = 0.0 if (t_1 < -1013646692435.8867) tmp = t_2; elseif (t_1 < 0.0) tmp = Float64(x + Float64(Float64(Float64(y - x) * z) / t)); else tmp = t_2; end return tmp end
function tmp_2 = code(x, y, z, t) t_1 = (y - x) * (z / t); t_2 = x + ((y - x) / (t / z)); tmp = 0.0; if (t_1 < -1013646692435.8867) tmp = t_2; elseif (t_1 < 0.0) tmp = x + (((y - x) * z) / t); else tmp = t_2; 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[(x + N[(N[(y - x), $MachinePrecision] / N[(t / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[Less[t$95$1, -1013646692435.8867], t$95$2, If[Less[t$95$1, 0.0], N[(x + N[(N[(N[(y - x), $MachinePrecision] * z), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision], t$95$2]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \left(y - x\right) \cdot \frac{z}{t}\\
t_2 := x + \frac{y - x}{\frac{t}{z}}\\
\mathbf{if}\;t\_1 < -1013646692435.8867:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;t\_1 < 0:\\
\;\;\;\;x + \frac{\left(y - x\right) \cdot z}{t}\\
\mathbf{else}:\\
\;\;\;\;t\_2\\
\end{array}
\end{array}
herbie shell --seed 2024326
(FPCore (x y z t)
:name "Graphics.Rendering.Plot.Render.Plot.Axis:tickPosition from plot-0.2.3.4"
:precision binary64
:alt
(! :herbie-platform default (if (< (* (- y x) (/ z t)) -10136466924358867/10000) (+ x (/ (- y x) (/ t z))) (if (< (* (- y x) (/ z t)) 0) (+ x (/ (* (- y x) z) t)) (+ x (/ (- y x) (/ t z))))))
(+ x (* (- y x) (/ z t))))