
(FPCore (x y z t) :precision binary64 (+ (/ (* x x) (* y y)) (/ (* z z) (* t t))))
double code(double x, double y, double z, double t) {
return ((x * x) / (y * y)) + ((z * z) / (t * t));
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = ((x * x) / (y * y)) + ((z * z) / (t * t))
end function
public static double code(double x, double y, double z, double t) {
return ((x * x) / (y * y)) + ((z * z) / (t * t));
}
def code(x, y, z, t): return ((x * x) / (y * y)) + ((z * z) / (t * t))
function code(x, y, z, t) return Float64(Float64(Float64(x * x) / Float64(y * y)) + Float64(Float64(z * z) / Float64(t * t))) end
function tmp = code(x, y, z, t) tmp = ((x * x) / (y * y)) + ((z * z) / (t * t)); end
code[x_, y_, z_, t_] := N[(N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision] + N[(N[(z * z), $MachinePrecision] / N[(t * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot x}{y \cdot y} + \frac{z \cdot z}{t \cdot t}
\end{array}
Herbie found 8 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t) :precision binary64 (+ (/ (* x x) (* y y)) (/ (* z z) (* t t))))
double code(double x, double y, double z, double t) {
return ((x * x) / (y * y)) + ((z * z) / (t * t));
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = ((x * x) / (y * y)) + ((z * z) / (t * t))
end function
public static double code(double x, double y, double z, double t) {
return ((x * x) / (y * y)) + ((z * z) / (t * t));
}
def code(x, y, z, t): return ((x * x) / (y * y)) + ((z * z) / (t * t))
function code(x, y, z, t) return Float64(Float64(Float64(x * x) / Float64(y * y)) + Float64(Float64(z * z) / Float64(t * t))) end
function tmp = code(x, y, z, t) tmp = ((x * x) / (y * y)) + ((z * z) / (t * t)); end
code[x_, y_, z_, t_] := N[(N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision] + N[(N[(z * z), $MachinePrecision] / N[(t * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot x}{y \cdot y} + \frac{z \cdot z}{t \cdot t}
\end{array}
(FPCore (x y z t) :precision binary64 (fma (/ x y) (/ x y) (/ (* (/ z t) z) t)))
double code(double x, double y, double z, double t) {
return fma((x / y), (x / y), (((z / t) * z) / t));
}
function code(x, y, z, t) return fma(Float64(x / y), Float64(x / y), Float64(Float64(Float64(z / t) * z) / t)) end
code[x_, y_, z_, t_] := N[(N[(x / y), $MachinePrecision] * N[(x / y), $MachinePrecision] + N[(N[(N[(z / t), $MachinePrecision] * z), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\frac{x}{y}, \frac{x}{y}, \frac{\frac{z}{t} \cdot z}{t}\right)
\end{array}
Initial program 67.0%
lift-+.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
times-fracN/A
pow2N/A
pow2N/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f64N/A
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6489.7
Applied rewrites89.7%
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
associate-/r*N/A
associate-*l/N/A
lower-/.f64N/A
lift-/.f64N/A
lift-*.f6496.6
Applied rewrites96.6%
(FPCore (x y z t) :precision binary64 (if (<= (/ (* x x) (* y y)) 5e+155) (fma (/ z t) (/ z t) (* (/ x (* y y)) x)) (fma (/ x y) (/ x y) (* (/ z (* t t)) z))))
double code(double x, double y, double z, double t) {
double tmp;
if (((x * x) / (y * y)) <= 5e+155) {
tmp = fma((z / t), (z / t), ((x / (y * y)) * x));
} else {
tmp = fma((x / y), (x / y), ((z / (t * t)) * z));
}
return tmp;
}
function code(x, y, z, t) tmp = 0.0 if (Float64(Float64(x * x) / Float64(y * y)) <= 5e+155) tmp = fma(Float64(z / t), Float64(z / t), Float64(Float64(x / Float64(y * y)) * x)); else tmp = fma(Float64(x / y), Float64(x / y), Float64(Float64(z / Float64(t * t)) * z)); end return tmp end
code[x_, y_, z_, t_] := If[LessEqual[N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision], 5e+155], N[(N[(z / t), $MachinePrecision] * N[(z / t), $MachinePrecision] + N[(N[(x / N[(y * y), $MachinePrecision]), $MachinePrecision] * x), $MachinePrecision]), $MachinePrecision], N[(N[(x / y), $MachinePrecision] * N[(x / y), $MachinePrecision] + N[(N[(z / N[(t * t), $MachinePrecision]), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{x \cdot x}{y \cdot y} \leq 5 \cdot 10^{+155}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{t}, \frac{z}{t}, \frac{x}{y \cdot y} \cdot x\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{x}{y}, \frac{x}{y}, \frac{z}{t \cdot t} \cdot z\right)\\
\end{array}
\end{array}
if (/.f64 (*.f64 x x) (*.f64 y y)) < 4.9999999999999999e155Initial program 73.5%
lift-+.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
+-commutativeN/A
times-fracN/A
pow2N/A
pow2N/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f64N/A
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6497.4
Applied rewrites97.4%
if 4.9999999999999999e155 < (/.f64 (*.f64 x x) (*.f64 y y)) Initial program 60.6%
lift-+.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
times-fracN/A
pow2N/A
pow2N/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f64N/A
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6495.4
Applied rewrites95.4%
(FPCore (x y z t) :precision binary64 (if (<= (/ (* x x) (* y y)) 1e-113) (* (/ (/ z t) t) z) (fma (/ x y) (/ x y) (* (/ z (* t t)) z))))
double code(double x, double y, double z, double t) {
double tmp;
if (((x * x) / (y * y)) <= 1e-113) {
tmp = ((z / t) / t) * z;
} else {
tmp = fma((x / y), (x / y), ((z / (t * t)) * z));
}
return tmp;
}
function code(x, y, z, t) tmp = 0.0 if (Float64(Float64(x * x) / Float64(y * y)) <= 1e-113) tmp = Float64(Float64(Float64(z / t) / t) * z); else tmp = fma(Float64(x / y), Float64(x / y), Float64(Float64(z / Float64(t * t)) * z)); end return tmp end
code[x_, y_, z_, t_] := If[LessEqual[N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision], 1e-113], N[(N[(N[(z / t), $MachinePrecision] / t), $MachinePrecision] * z), $MachinePrecision], N[(N[(x / y), $MachinePrecision] * N[(x / y), $MachinePrecision] + N[(N[(z / N[(t * t), $MachinePrecision]), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{x \cdot x}{y \cdot y} \leq 10^{-113}:\\
\;\;\;\;\frac{\frac{z}{t}}{t} \cdot z\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{x}{y}, \frac{x}{y}, \frac{z}{t \cdot t} \cdot z\right)\\
\end{array}
\end{array}
if (/.f64 (*.f64 x x) (*.f64 y y)) < 9.99999999999999979e-114Initial program 71.7%
Taylor expanded in x around 0
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6473.7
Applied rewrites73.7%
lift-*.f64N/A
lift-/.f64N/A
associate-/r*N/A
lower-/.f64N/A
lift-/.f6485.4
Applied rewrites85.4%
if 9.99999999999999979e-114 < (/.f64 (*.f64 x x) (*.f64 y y)) Initial program 63.8%
lift-+.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
times-fracN/A
pow2N/A
pow2N/A
lower-fma.f64N/A
lower-/.f64N/A
lower-/.f64N/A
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6494.2
Applied rewrites94.2%
(FPCore (x y z t)
:precision binary64
(let* ((t_1 (/ (* z z) (* t t))))
(if (<= t_1 0.0)
(* (/ x y) (/ x y))
(if (<= t_1 5e+285)
(fma (/ z (* t t)) z (* (/ x (* y y)) x))
(* (/ (/ z t) t) z)))))
double code(double x, double y, double z, double t) {
double t_1 = (z * z) / (t * t);
double tmp;
if (t_1 <= 0.0) {
tmp = (x / y) * (x / y);
} else if (t_1 <= 5e+285) {
tmp = fma((z / (t * t)), z, ((x / (y * y)) * x));
} else {
tmp = ((z / t) / t) * z;
}
return tmp;
}
function code(x, y, z, t) t_1 = Float64(Float64(z * z) / Float64(t * t)) tmp = 0.0 if (t_1 <= 0.0) tmp = Float64(Float64(x / y) * Float64(x / y)); elseif (t_1 <= 5e+285) tmp = fma(Float64(z / Float64(t * t)), z, Float64(Float64(x / Float64(y * y)) * x)); else tmp = Float64(Float64(Float64(z / t) / t) * z); end return tmp end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(z * z), $MachinePrecision] / N[(t * t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, 0.0], N[(N[(x / y), $MachinePrecision] * N[(x / y), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, 5e+285], N[(N[(z / N[(t * t), $MachinePrecision]), $MachinePrecision] * z + N[(N[(x / N[(y * y), $MachinePrecision]), $MachinePrecision] * x), $MachinePrecision]), $MachinePrecision], N[(N[(N[(z / t), $MachinePrecision] / t), $MachinePrecision] * z), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{z \cdot z}{t \cdot t}\\
\mathbf{if}\;t\_1 \leq 0:\\
\;\;\;\;\frac{x}{y} \cdot \frac{x}{y}\\
\mathbf{elif}\;t\_1 \leq 5 \cdot 10^{+285}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{t \cdot t}, z, \frac{x}{y \cdot y} \cdot x\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{\frac{z}{t}}{t} \cdot z\\
\end{array}
\end{array}
if (/.f64 (*.f64 z z) (*.f64 t t)) < 0.0Initial program 70.5%
Taylor expanded in x around inf
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6476.0
Applied rewrites76.0%
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
associate-/r*N/A
associate-*l/N/A
associate-*r/N/A
lower-*.f64N/A
lift-/.f64N/A
lift-/.f6493.4
Applied rewrites93.4%
if 0.0 < (/.f64 (*.f64 z z) (*.f64 t t)) < 5.00000000000000016e285Initial program 81.1%
lift-+.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
+-commutativeN/A
pow2N/A
associate-/l*N/A
*-commutativeN/A
pow2N/A
pow2N/A
lower-fma.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f64N/A
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6488.2
Applied rewrites88.2%
if 5.00000000000000016e285 < (/.f64 (*.f64 z z) (*.f64 t t)) Initial program 58.6%
Taylor expanded in x around 0
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6471.6
Applied rewrites71.6%
lift-*.f64N/A
lift-/.f64N/A
associate-/r*N/A
lower-/.f64N/A
lift-/.f6479.5
Applied rewrites79.5%
(FPCore (x y z t) :precision binary64 (if (<= (/ (* z z) (* t t)) 2e-83) (* (/ x y) (/ x y)) (* (/ (/ z t) t) z)))
double code(double x, double y, double z, double t) {
double tmp;
if (((z * z) / (t * t)) <= 2e-83) {
tmp = (x / y) * (x / y);
} else {
tmp = ((z / t) / t) * z;
}
return tmp;
}
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)
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) :: tmp
if (((z * z) / (t * t)) <= 2d-83) then
tmp = (x / y) * (x / y)
else
tmp = ((z / t) / t) * z
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if (((z * z) / (t * t)) <= 2e-83) {
tmp = (x / y) * (x / y);
} else {
tmp = ((z / t) / t) * z;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if ((z * z) / (t * t)) <= 2e-83: tmp = (x / y) * (x / y) else: tmp = ((z / t) / t) * z return tmp
function code(x, y, z, t) tmp = 0.0 if (Float64(Float64(z * z) / Float64(t * t)) <= 2e-83) tmp = Float64(Float64(x / y) * Float64(x / y)); else tmp = Float64(Float64(Float64(z / t) / t) * z); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if (((z * z) / (t * t)) <= 2e-83) tmp = (x / y) * (x / y); else tmp = ((z / t) / t) * z; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[LessEqual[N[(N[(z * z), $MachinePrecision] / N[(t * t), $MachinePrecision]), $MachinePrecision], 2e-83], N[(N[(x / y), $MachinePrecision] * N[(x / y), $MachinePrecision]), $MachinePrecision], N[(N[(N[(z / t), $MachinePrecision] / t), $MachinePrecision] * z), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z \cdot z}{t \cdot t} \leq 2 \cdot 10^{-83}:\\
\;\;\;\;\frac{x}{y} \cdot \frac{x}{y}\\
\mathbf{else}:\\
\;\;\;\;\frac{\frac{z}{t}}{t} \cdot z\\
\end{array}
\end{array}
if (/.f64 (*.f64 z z) (*.f64 t t)) < 2.0000000000000001e-83Initial program 72.0%
Taylor expanded in x around inf
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6472.7
Applied rewrites72.7%
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
associate-/r*N/A
associate-*l/N/A
associate-*r/N/A
lower-*.f64N/A
lift-/.f64N/A
lift-/.f6489.4
Applied rewrites89.4%
if 2.0000000000000001e-83 < (/.f64 (*.f64 z z) (*.f64 t t)) Initial program 63.5%
Taylor expanded in x around 0
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6468.3
Applied rewrites68.3%
lift-*.f64N/A
lift-/.f64N/A
associate-/r*N/A
lower-/.f64N/A
lift-/.f6474.7
Applied rewrites74.7%
(FPCore (x y z t) :precision binary64 (let* ((t_1 (/ (* z z) (* t t))) (t_2 (* (/ x y) (/ x y)))) (if (<= t_1 2e-83) t_2 (if (<= t_1 INFINITY) (* (/ z (* t t)) z) t_2))))
double code(double x, double y, double z, double t) {
double t_1 = (z * z) / (t * t);
double t_2 = (x / y) * (x / y);
double tmp;
if (t_1 <= 2e-83) {
tmp = t_2;
} else if (t_1 <= ((double) INFINITY)) {
tmp = (z / (t * t)) * z;
} else {
tmp = t_2;
}
return tmp;
}
public static double code(double x, double y, double z, double t) {
double t_1 = (z * z) / (t * t);
double t_2 = (x / y) * (x / y);
double tmp;
if (t_1 <= 2e-83) {
tmp = t_2;
} else if (t_1 <= Double.POSITIVE_INFINITY) {
tmp = (z / (t * t)) * z;
} else {
tmp = t_2;
}
return tmp;
}
def code(x, y, z, t): t_1 = (z * z) / (t * t) t_2 = (x / y) * (x / y) tmp = 0 if t_1 <= 2e-83: tmp = t_2 elif t_1 <= math.inf: tmp = (z / (t * t)) * z else: tmp = t_2 return tmp
function code(x, y, z, t) t_1 = Float64(Float64(z * z) / Float64(t * t)) t_2 = Float64(Float64(x / y) * Float64(x / y)) tmp = 0.0 if (t_1 <= 2e-83) tmp = t_2; elseif (t_1 <= Inf) tmp = Float64(Float64(z / Float64(t * t)) * z); else tmp = t_2; end return tmp end
function tmp_2 = code(x, y, z, t) t_1 = (z * z) / (t * t); t_2 = (x / y) * (x / y); tmp = 0.0; if (t_1 <= 2e-83) tmp = t_2; elseif (t_1 <= Inf) tmp = (z / (t * t)) * z; else tmp = t_2; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(z * z), $MachinePrecision] / N[(t * t), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(x / y), $MachinePrecision] * N[(x / y), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, 2e-83], t$95$2, If[LessEqual[t$95$1, Infinity], N[(N[(z / N[(t * t), $MachinePrecision]), $MachinePrecision] * z), $MachinePrecision], t$95$2]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{z \cdot z}{t \cdot t}\\
t_2 := \frac{x}{y} \cdot \frac{x}{y}\\
\mathbf{if}\;t\_1 \leq 2 \cdot 10^{-83}:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;t\_1 \leq \infty:\\
\;\;\;\;\frac{z}{t \cdot t} \cdot z\\
\mathbf{else}:\\
\;\;\;\;t\_2\\
\end{array}
\end{array}
if (/.f64 (*.f64 z z) (*.f64 t t)) < 2.0000000000000001e-83 or +inf.0 < (/.f64 (*.f64 z z) (*.f64 t t)) Initial program 55.6%
Taylor expanded in x around inf
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6465.8
Applied rewrites65.8%
lift-*.f64N/A
lift-*.f64N/A
lift-/.f64N/A
associate-/r*N/A
associate-*l/N/A
associate-*r/N/A
lower-*.f64N/A
lift-/.f64N/A
lift-/.f6480.9
Applied rewrites80.9%
if 2.0000000000000001e-83 < (/.f64 (*.f64 z z) (*.f64 t t)) < +inf.0Initial program 79.6%
Taylor expanded in x around 0
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6481.2
Applied rewrites81.2%
(FPCore (x y z t) :precision binary64 (let* ((t_1 (/ (* x x) (* y y))) (t_2 (* (/ z (* t t)) z))) (if (<= t_1 5e-44) t_2 (if (<= t_1 INFINITY) (* (/ x (* y y)) x) t_2))))
double code(double x, double y, double z, double t) {
double t_1 = (x * x) / (y * y);
double t_2 = (z / (t * t)) * z;
double tmp;
if (t_1 <= 5e-44) {
tmp = t_2;
} else if (t_1 <= ((double) INFINITY)) {
tmp = (x / (y * y)) * x;
} else {
tmp = t_2;
}
return tmp;
}
public static double code(double x, double y, double z, double t) {
double t_1 = (x * x) / (y * y);
double t_2 = (z / (t * t)) * z;
double tmp;
if (t_1 <= 5e-44) {
tmp = t_2;
} else if (t_1 <= Double.POSITIVE_INFINITY) {
tmp = (x / (y * y)) * x;
} else {
tmp = t_2;
}
return tmp;
}
def code(x, y, z, t): t_1 = (x * x) / (y * y) t_2 = (z / (t * t)) * z tmp = 0 if t_1 <= 5e-44: tmp = t_2 elif t_1 <= math.inf: tmp = (x / (y * y)) * x else: tmp = t_2 return tmp
function code(x, y, z, t) t_1 = Float64(Float64(x * x) / Float64(y * y)) t_2 = Float64(Float64(z / Float64(t * t)) * z) tmp = 0.0 if (t_1 <= 5e-44) tmp = t_2; elseif (t_1 <= Inf) tmp = Float64(Float64(x / Float64(y * y)) * x); else tmp = t_2; end return tmp end
function tmp_2 = code(x, y, z, t) t_1 = (x * x) / (y * y); t_2 = (z / (t * t)) * z; tmp = 0.0; if (t_1 <= 5e-44) tmp = t_2; elseif (t_1 <= Inf) tmp = (x / (y * y)) * x; else tmp = t_2; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(x * x), $MachinePrecision] / N[(y * y), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(z / N[(t * t), $MachinePrecision]), $MachinePrecision] * z), $MachinePrecision]}, If[LessEqual[t$95$1, 5e-44], t$95$2, If[LessEqual[t$95$1, Infinity], N[(N[(x / N[(y * y), $MachinePrecision]), $MachinePrecision] * x), $MachinePrecision], t$95$2]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{x \cdot x}{y \cdot y}\\
t_2 := \frac{z}{t \cdot t} \cdot z\\
\mathbf{if}\;t\_1 \leq 5 \cdot 10^{-44}:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;t\_1 \leq \infty:\\
\;\;\;\;\frac{x}{y \cdot y} \cdot x\\
\mathbf{else}:\\
\;\;\;\;t\_2\\
\end{array}
\end{array}
if (/.f64 (*.f64 x x) (*.f64 y y)) < 5.00000000000000039e-44 or +inf.0 < (/.f64 (*.f64 x x) (*.f64 y y)) Initial program 56.4%
Taylor expanded in x around 0
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6465.0
Applied rewrites65.0%
if 5.00000000000000039e-44 < (/.f64 (*.f64 x x) (*.f64 y y)) < +inf.0Initial program 79.2%
Taylor expanded in x around inf
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6484.0
Applied rewrites84.0%
(FPCore (x y z t) :precision binary64 (* (/ x (* y y)) x))
double code(double x, double y, double z, double t) {
return (x / (y * y)) * x;
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = (x / (y * y)) * x
end function
public static double code(double x, double y, double z, double t) {
return (x / (y * y)) * x;
}
def code(x, y, z, t): return (x / (y * y)) * x
function code(x, y, z, t) return Float64(Float64(x / Float64(y * y)) * x) end
function tmp = code(x, y, z, t) tmp = (x / (y * y)) * x; end
code[x_, y_, z_, t_] := N[(N[(x / N[(y * y), $MachinePrecision]), $MachinePrecision] * x), $MachinePrecision]
\begin{array}{l}
\\
\frac{x}{y \cdot y} \cdot x
\end{array}
Initial program 67.0%
Taylor expanded in x around inf
pow2N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f64N/A
pow2N/A
lift-*.f6453.1
Applied rewrites53.1%
herbie shell --seed 2025115
(FPCore (x y z t)
:name "Graphics.Rasterific.Svg.PathConverter:arcToSegments from rasterific-svg-0.2.3.1"
:precision binary64
(+ (/ (* x x) (* y y)) (/ (* z z) (* t t))))