
(FPCore (x y z)
:precision binary64
(fmax
(-
(sqrt
(+ (+ (pow (* x 30.0) 2.0) (pow (* y 30.0) 2.0)) (pow (* z 30.0) 2.0)))
25.0)
(-
(fabs
(+
(+
(* (sin (* x 30.0)) (cos (* y 30.0)))
(* (sin (* y 30.0)) (cos (* z 30.0))))
(* (sin (* z 30.0)) (cos (* x 30.0)))))
0.2)))
double code(double x, double y, double z) {
return fmax((sqrt(((pow((x * 30.0), 2.0) + pow((y * 30.0), 2.0)) + pow((z * 30.0), 2.0))) - 25.0), (fabs((((sin((x * 30.0)) * cos((y * 30.0))) + (sin((y * 30.0)) * cos((z * 30.0)))) + (sin((z * 30.0)) * cos((x * 30.0))))) - 0.2));
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = fmax((sqrt(((((x * 30.0d0) ** 2.0d0) + ((y * 30.0d0) ** 2.0d0)) + ((z * 30.0d0) ** 2.0d0))) - 25.0d0), (abs((((sin((x * 30.0d0)) * cos((y * 30.0d0))) + (sin((y * 30.0d0)) * cos((z * 30.0d0)))) + (sin((z * 30.0d0)) * cos((x * 30.0d0))))) - 0.2d0))
end function
public static double code(double x, double y, double z) {
return fmax((Math.sqrt(((Math.pow((x * 30.0), 2.0) + Math.pow((y * 30.0), 2.0)) + Math.pow((z * 30.0), 2.0))) - 25.0), (Math.abs((((Math.sin((x * 30.0)) * Math.cos((y * 30.0))) + (Math.sin((y * 30.0)) * Math.cos((z * 30.0)))) + (Math.sin((z * 30.0)) * Math.cos((x * 30.0))))) - 0.2));
}
def code(x, y, z): return fmax((math.sqrt(((math.pow((x * 30.0), 2.0) + math.pow((y * 30.0), 2.0)) + math.pow((z * 30.0), 2.0))) - 25.0), (math.fabs((((math.sin((x * 30.0)) * math.cos((y * 30.0))) + (math.sin((y * 30.0)) * math.cos((z * 30.0)))) + (math.sin((z * 30.0)) * math.cos((x * 30.0))))) - 0.2))
function code(x, y, z) return fmax(Float64(sqrt(Float64(Float64((Float64(x * 30.0) ^ 2.0) + (Float64(y * 30.0) ^ 2.0)) + (Float64(z * 30.0) ^ 2.0))) - 25.0), Float64(abs(Float64(Float64(Float64(sin(Float64(x * 30.0)) * cos(Float64(y * 30.0))) + Float64(sin(Float64(y * 30.0)) * cos(Float64(z * 30.0)))) + Float64(sin(Float64(z * 30.0)) * cos(Float64(x * 30.0))))) - 0.2)) end
function tmp = code(x, y, z) tmp = max((sqrt(((((x * 30.0) ^ 2.0) + ((y * 30.0) ^ 2.0)) + ((z * 30.0) ^ 2.0))) - 25.0), (abs((((sin((x * 30.0)) * cos((y * 30.0))) + (sin((y * 30.0)) * cos((z * 30.0)))) + (sin((z * 30.0)) * cos((x * 30.0))))) - 0.2)); end
code[x_, y_, z_] := N[Max[N[(N[Sqrt[N[(N[(N[Power[N[(x * 30.0), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(y * 30.0), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] + N[Power[N[(z * 30.0), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 25.0), $MachinePrecision], N[(N[Abs[N[(N[(N[(N[Sin[N[(x * 30.0), $MachinePrecision]], $MachinePrecision] * N[Cos[N[(y * 30.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] + N[(N[Sin[N[(y * 30.0), $MachinePrecision]], $MachinePrecision] * N[Cos[N[(z * 30.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(N[Sin[N[(z * 30.0), $MachinePrecision]], $MachinePrecision] * N[Cos[N[(x * 30.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\mathsf{max}\left(\sqrt{\left({\left(x \cdot 30\right)}^{2} + {\left(y \cdot 30\right)}^{2}\right) + {\left(z \cdot 30\right)}^{2}} - 25, \left|\left(\sin \left(x \cdot 30\right) \cdot \cos \left(y \cdot 30\right) + \sin \left(y \cdot 30\right) \cdot \cos \left(z \cdot 30\right)\right) + \sin \left(z \cdot 30\right) \cdot \cos \left(x \cdot 30\right)\right| - 0.2\right)
\end{array}
Herbie found 5 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z)
:precision binary64
(fmax
(-
(sqrt
(+ (+ (pow (* x 30.0) 2.0) (pow (* y 30.0) 2.0)) (pow (* z 30.0) 2.0)))
25.0)
(-
(fabs
(+
(+
(* (sin (* x 30.0)) (cos (* y 30.0)))
(* (sin (* y 30.0)) (cos (* z 30.0))))
(* (sin (* z 30.0)) (cos (* x 30.0)))))
0.2)))
double code(double x, double y, double z) {
return fmax((sqrt(((pow((x * 30.0), 2.0) + pow((y * 30.0), 2.0)) + pow((z * 30.0), 2.0))) - 25.0), (fabs((((sin((x * 30.0)) * cos((y * 30.0))) + (sin((y * 30.0)) * cos((z * 30.0)))) + (sin((z * 30.0)) * cos((x * 30.0))))) - 0.2));
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = fmax((sqrt(((((x * 30.0d0) ** 2.0d0) + ((y * 30.0d0) ** 2.0d0)) + ((z * 30.0d0) ** 2.0d0))) - 25.0d0), (abs((((sin((x * 30.0d0)) * cos((y * 30.0d0))) + (sin((y * 30.0d0)) * cos((z * 30.0d0)))) + (sin((z * 30.0d0)) * cos((x * 30.0d0))))) - 0.2d0))
end function
public static double code(double x, double y, double z) {
return fmax((Math.sqrt(((Math.pow((x * 30.0), 2.0) + Math.pow((y * 30.0), 2.0)) + Math.pow((z * 30.0), 2.0))) - 25.0), (Math.abs((((Math.sin((x * 30.0)) * Math.cos((y * 30.0))) + (Math.sin((y * 30.0)) * Math.cos((z * 30.0)))) + (Math.sin((z * 30.0)) * Math.cos((x * 30.0))))) - 0.2));
}
def code(x, y, z): return fmax((math.sqrt(((math.pow((x * 30.0), 2.0) + math.pow((y * 30.0), 2.0)) + math.pow((z * 30.0), 2.0))) - 25.0), (math.fabs((((math.sin((x * 30.0)) * math.cos((y * 30.0))) + (math.sin((y * 30.0)) * math.cos((z * 30.0)))) + (math.sin((z * 30.0)) * math.cos((x * 30.0))))) - 0.2))
function code(x, y, z) return fmax(Float64(sqrt(Float64(Float64((Float64(x * 30.0) ^ 2.0) + (Float64(y * 30.0) ^ 2.0)) + (Float64(z * 30.0) ^ 2.0))) - 25.0), Float64(abs(Float64(Float64(Float64(sin(Float64(x * 30.0)) * cos(Float64(y * 30.0))) + Float64(sin(Float64(y * 30.0)) * cos(Float64(z * 30.0)))) + Float64(sin(Float64(z * 30.0)) * cos(Float64(x * 30.0))))) - 0.2)) end
function tmp = code(x, y, z) tmp = max((sqrt(((((x * 30.0) ^ 2.0) + ((y * 30.0) ^ 2.0)) + ((z * 30.0) ^ 2.0))) - 25.0), (abs((((sin((x * 30.0)) * cos((y * 30.0))) + (sin((y * 30.0)) * cos((z * 30.0)))) + (sin((z * 30.0)) * cos((x * 30.0))))) - 0.2)); end
code[x_, y_, z_] := N[Max[N[(N[Sqrt[N[(N[(N[Power[N[(x * 30.0), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(y * 30.0), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] + N[Power[N[(z * 30.0), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 25.0), $MachinePrecision], N[(N[Abs[N[(N[(N[(N[Sin[N[(x * 30.0), $MachinePrecision]], $MachinePrecision] * N[Cos[N[(y * 30.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] + N[(N[Sin[N[(y * 30.0), $MachinePrecision]], $MachinePrecision] * N[Cos[N[(z * 30.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(N[Sin[N[(z * 30.0), $MachinePrecision]], $MachinePrecision] * N[Cos[N[(x * 30.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\mathsf{max}\left(\sqrt{\left({\left(x \cdot 30\right)}^{2} + {\left(y \cdot 30\right)}^{2}\right) + {\left(z \cdot 30\right)}^{2}} - 25, \left|\left(\sin \left(x \cdot 30\right) \cdot \cos \left(y \cdot 30\right) + \sin \left(y \cdot 30\right) \cdot \cos \left(z \cdot 30\right)\right) + \sin \left(z \cdot 30\right) \cdot \cos \left(x \cdot 30\right)\right| - 0.2\right)
\end{array}
(FPCore (x y z)
:precision binary64
(let* ((t_0 (- (fabs (sin (* y 30.0))) 0.2)))
(if (<= z -4.5e+152)
(fmax (* -30.0 z) t_0)
(if (<= z 1.5e+153)
(fmax
(- (sqrt (* 900.0 (fma x x (* z z)))) 25.0)
(- (fabs (* 30.0 y)) 0.2))
(fmax (* z 30.0) t_0)))))
double code(double x, double y, double z) {
double t_0 = fabs(sin((y * 30.0))) - 0.2;
double tmp;
if (z <= -4.5e+152) {
tmp = fmax((-30.0 * z), t_0);
} else if (z <= 1.5e+153) {
tmp = fmax((sqrt((900.0 * fma(x, x, (z * z)))) - 25.0), (fabs((30.0 * y)) - 0.2));
} else {
tmp = fmax((z * 30.0), t_0);
}
return tmp;
}
function code(x, y, z) t_0 = Float64(abs(sin(Float64(y * 30.0))) - 0.2) tmp = 0.0 if (z <= -4.5e+152) tmp = fmax(Float64(-30.0 * z), t_0); elseif (z <= 1.5e+153) tmp = fmax(Float64(sqrt(Float64(900.0 * fma(x, x, Float64(z * z)))) - 25.0), Float64(abs(Float64(30.0 * y)) - 0.2)); else tmp = fmax(Float64(z * 30.0), t_0); end return tmp end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[Abs[N[Sin[N[(y * 30.0), $MachinePrecision]], $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]}, If[LessEqual[z, -4.5e+152], N[Max[N[(-30.0 * z), $MachinePrecision], t$95$0], $MachinePrecision], If[LessEqual[z, 1.5e+153], N[Max[N[(N[Sqrt[N[(900.0 * N[(x * x + N[(z * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 25.0), $MachinePrecision], N[(N[Abs[N[(30.0 * y), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision], N[Max[N[(z * 30.0), $MachinePrecision], t$95$0], $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\sin \left(y \cdot 30\right)\right| - 0.2\\
\mathbf{if}\;z \leq -4.5 \cdot 10^{+152}:\\
\;\;\;\;\mathsf{max}\left(-30 \cdot z, t\_0\right)\\
\mathbf{elif}\;z \leq 1.5 \cdot 10^{+153}:\\
\;\;\;\;\mathsf{max}\left(\sqrt{900 \cdot \mathsf{fma}\left(x, x, z \cdot z\right)} - 25, \left|30 \cdot y\right| - 0.2\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{max}\left(z \cdot 30, t\_0\right)\\
\end{array}
\end{array}
if z < -4.5000000000000001e152Initial program 8.9%
Taylor expanded in x around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-cos.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f648.9
Applied rewrites8.9%
Taylor expanded in z around 0
*-commutativeN/A
lift-sin.f64N/A
lift-*.f648.9
Applied rewrites8.9%
lift-+.f64N/A
lift-+.f64N/A
lift-*.f64N/A
lift-pow.f64N/A
lift-*.f64N/A
lift-pow.f64N/A
lift-*.f64N/A
lift-pow.f64N/A
unpow-prod-downN/A
metadata-evalN/A
*-commutativeN/A
+-commutativeN/A
*-commutativeN/A
unpow-prod-downN/A
metadata-evalN/A
unpow-prod-downN/A
metadata-evalN/A
*-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
Applied rewrites8.9%
Taylor expanded in z around -inf
lower-*.f6478.3
Applied rewrites78.3%
if -4.5000000000000001e152 < z < 1.50000000000000009e153Initial program 59.2%
Taylor expanded in x around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-cos.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f6458.8
Applied rewrites58.8%
Taylor expanded in z around 0
*-commutativeN/A
lift-sin.f64N/A
lift-*.f6458.3
Applied rewrites58.3%
Taylor expanded in y around 0
distribute-lft-outN/A
lower-*.f64N/A
unpow2N/A
lower-fma.f64N/A
unpow2N/A
lower-*.f6445.1
Applied rewrites45.1%
Taylor expanded in y around 0
lower-*.f6474.0
Applied rewrites74.0%
if 1.50000000000000009e153 < z Initial program 8.7%
Taylor expanded in x around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-cos.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f648.7
Applied rewrites8.7%
Taylor expanded in z around 0
*-commutativeN/A
lift-sin.f64N/A
lift-*.f648.7
Applied rewrites8.7%
Taylor expanded in z around inf
*-commutativeN/A
lift-*.f6476.3
Applied rewrites76.3%
(FPCore (x y z)
:precision binary64
(if (<= z -4.5e+152)
(fmax (* -30.0 z) (- (fabs (sin (* y 30.0))) 0.2))
(if (<= z 1.5e+153)
(fmax
(- (sqrt (* 900.0 (fma x x (* z z)))) 25.0)
(- (fabs (* 30.0 y)) 0.2))
(fmax
(* z 30.0)
(-
(fabs (+ (sin (* 30.0 x)) (* (sin (* z 30.0)) (cos (* x 30.0)))))
0.2)))))
double code(double x, double y, double z) {
double tmp;
if (z <= -4.5e+152) {
tmp = fmax((-30.0 * z), (fabs(sin((y * 30.0))) - 0.2));
} else if (z <= 1.5e+153) {
tmp = fmax((sqrt((900.0 * fma(x, x, (z * z)))) - 25.0), (fabs((30.0 * y)) - 0.2));
} else {
tmp = fmax((z * 30.0), (fabs((sin((30.0 * x)) + (sin((z * 30.0)) * cos((x * 30.0))))) - 0.2));
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if (z <= -4.5e+152) tmp = fmax(Float64(-30.0 * z), Float64(abs(sin(Float64(y * 30.0))) - 0.2)); elseif (z <= 1.5e+153) tmp = fmax(Float64(sqrt(Float64(900.0 * fma(x, x, Float64(z * z)))) - 25.0), Float64(abs(Float64(30.0 * y)) - 0.2)); else tmp = fmax(Float64(z * 30.0), Float64(abs(Float64(sin(Float64(30.0 * x)) + Float64(sin(Float64(z * 30.0)) * cos(Float64(x * 30.0))))) - 0.2)); end return tmp end
code[x_, y_, z_] := If[LessEqual[z, -4.5e+152], N[Max[N[(-30.0 * z), $MachinePrecision], N[(N[Abs[N[Sin[N[(y * 30.0), $MachinePrecision]], $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision], If[LessEqual[z, 1.5e+153], N[Max[N[(N[Sqrt[N[(900.0 * N[(x * x + N[(z * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 25.0), $MachinePrecision], N[(N[Abs[N[(30.0 * y), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision], N[Max[N[(z * 30.0), $MachinePrecision], N[(N[Abs[N[(N[Sin[N[(30.0 * x), $MachinePrecision]], $MachinePrecision] + N[(N[Sin[N[(z * 30.0), $MachinePrecision]], $MachinePrecision] * N[Cos[N[(x * 30.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -4.5 \cdot 10^{+152}:\\
\;\;\;\;\mathsf{max}\left(-30 \cdot z, \left|\sin \left(y \cdot 30\right)\right| - 0.2\right)\\
\mathbf{elif}\;z \leq 1.5 \cdot 10^{+153}:\\
\;\;\;\;\mathsf{max}\left(\sqrt{900 \cdot \mathsf{fma}\left(x, x, z \cdot z\right)} - 25, \left|30 \cdot y\right| - 0.2\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{max}\left(z \cdot 30, \left|\sin \left(30 \cdot x\right) + \sin \left(z \cdot 30\right) \cdot \cos \left(x \cdot 30\right)\right| - 0.2\right)\\
\end{array}
\end{array}
if z < -4.5000000000000001e152Initial program 8.9%
Taylor expanded in x around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-cos.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f648.9
Applied rewrites8.9%
Taylor expanded in z around 0
*-commutativeN/A
lift-sin.f64N/A
lift-*.f648.9
Applied rewrites8.9%
lift-+.f64N/A
lift-+.f64N/A
lift-*.f64N/A
lift-pow.f64N/A
lift-*.f64N/A
lift-pow.f64N/A
lift-*.f64N/A
lift-pow.f64N/A
unpow-prod-downN/A
metadata-evalN/A
*-commutativeN/A
+-commutativeN/A
*-commutativeN/A
unpow-prod-downN/A
metadata-evalN/A
unpow-prod-downN/A
metadata-evalN/A
*-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
Applied rewrites8.9%
Taylor expanded in z around -inf
lower-*.f6478.3
Applied rewrites78.3%
if -4.5000000000000001e152 < z < 1.50000000000000009e153Initial program 59.2%
Taylor expanded in x around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-cos.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f6458.8
Applied rewrites58.8%
Taylor expanded in z around 0
*-commutativeN/A
lift-sin.f64N/A
lift-*.f6458.3
Applied rewrites58.3%
Taylor expanded in y around 0
distribute-lft-outN/A
lower-*.f64N/A
unpow2N/A
lower-fma.f64N/A
unpow2N/A
lower-*.f6445.1
Applied rewrites45.1%
Taylor expanded in y around 0
lower-*.f6474.0
Applied rewrites74.0%
if 1.50000000000000009e153 < z Initial program 8.7%
Taylor expanded in z around inf
*-commutativeN/A
lift-*.f6476.3
Applied rewrites76.3%
Taylor expanded in y around 0
lift-sin.f64N/A
lift-*.f6476.3
Applied rewrites76.3%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (fmax (* -30.0 y) (- (fabs (* 30.0 x)) 0.2))))
(if (<= x -1.55e+150)
t_0
(if (<= x 3.25e+134)
(fmax
(- (sqrt (* 900.0 (fma x x (* z z)))) 25.0)
(- (fabs (* 30.0 y)) 0.2))
t_0))))
double code(double x, double y, double z) {
double t_0 = fmax((-30.0 * y), (fabs((30.0 * x)) - 0.2));
double tmp;
if (x <= -1.55e+150) {
tmp = t_0;
} else if (x <= 3.25e+134) {
tmp = fmax((sqrt((900.0 * fma(x, x, (z * z)))) - 25.0), (fabs((30.0 * y)) - 0.2));
} else {
tmp = t_0;
}
return tmp;
}
function code(x, y, z) t_0 = fmax(Float64(-30.0 * y), Float64(abs(Float64(30.0 * x)) - 0.2)) tmp = 0.0 if (x <= -1.55e+150) tmp = t_0; elseif (x <= 3.25e+134) tmp = fmax(Float64(sqrt(Float64(900.0 * fma(x, x, Float64(z * z)))) - 25.0), Float64(abs(Float64(30.0 * y)) - 0.2)); else tmp = t_0; end return tmp end
code[x_, y_, z_] := Block[{t$95$0 = N[Max[N[(-30.0 * y), $MachinePrecision], N[(N[Abs[N[(30.0 * x), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision]}, If[LessEqual[x, -1.55e+150], t$95$0, If[LessEqual[x, 3.25e+134], N[Max[N[(N[Sqrt[N[(900.0 * N[(x * x + N[(z * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 25.0), $MachinePrecision], N[(N[Abs[N[(30.0 * y), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{max}\left(-30 \cdot y, \left|30 \cdot x\right| - 0.2\right)\\
\mathbf{if}\;x \leq -1.55 \cdot 10^{+150}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;x \leq 3.25 \cdot 10^{+134}:\\
\;\;\;\;\mathsf{max}\left(\sqrt{900 \cdot \mathsf{fma}\left(x, x, z \cdot z\right)} - 25, \left|30 \cdot y\right| - 0.2\right)\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if x < -1.55000000000000007e150 or 3.25e134 < x Initial program 11.4%
Taylor expanded in z around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
*-commutativeN/A
lift-sin.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lift-cos.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f6411.4
Applied rewrites11.4%
Taylor expanded in y around 0
lift-sin.f64N/A
lift-*.f6411.4
Applied rewrites11.4%
Taylor expanded in y around -inf
lower-*.f649.4
Applied rewrites9.4%
Taylor expanded in x around 0
lift-*.f6483.6
Applied rewrites83.6%
if -1.55000000000000007e150 < x < 3.25e134Initial program 59.1%
Taylor expanded in x around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-cos.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f6458.8
Applied rewrites58.8%
Taylor expanded in z around 0
*-commutativeN/A
lift-sin.f64N/A
lift-*.f6458.2
Applied rewrites58.2%
Taylor expanded in y around 0
distribute-lft-outN/A
lower-*.f64N/A
unpow2N/A
lower-fma.f64N/A
unpow2N/A
lower-*.f6444.8
Applied rewrites44.8%
Taylor expanded in y around 0
lower-*.f6473.9
Applied rewrites73.9%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (fmax (* -30.0 y) (- (fabs (* 30.0 x)) 0.2))))
(if (<= x -2.75e+14)
t_0
(if (<= x 5.1e+29)
(fmax (- (* y 30.0) 25.0) (- (fabs (* 30.0 y)) 0.2))
t_0))))
double code(double x, double y, double z) {
double t_0 = fmax((-30.0 * y), (fabs((30.0 * x)) - 0.2));
double tmp;
if (x <= -2.75e+14) {
tmp = t_0;
} else if (x <= 5.1e+29) {
tmp = fmax(((y * 30.0) - 25.0), (fabs((30.0 * y)) - 0.2));
} else {
tmp = t_0;
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: t_0
real(8) :: tmp
t_0 = fmax(((-30.0d0) * y), (abs((30.0d0 * x)) - 0.2d0))
if (x <= (-2.75d+14)) then
tmp = t_0
else if (x <= 5.1d+29) then
tmp = fmax(((y * 30.0d0) - 25.0d0), (abs((30.0d0 * y)) - 0.2d0))
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = fmax((-30.0 * y), (Math.abs((30.0 * x)) - 0.2));
double tmp;
if (x <= -2.75e+14) {
tmp = t_0;
} else if (x <= 5.1e+29) {
tmp = fmax(((y * 30.0) - 25.0), (Math.abs((30.0 * y)) - 0.2));
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = fmax((-30.0 * y), (math.fabs((30.0 * x)) - 0.2)) tmp = 0 if x <= -2.75e+14: tmp = t_0 elif x <= 5.1e+29: tmp = fmax(((y * 30.0) - 25.0), (math.fabs((30.0 * y)) - 0.2)) else: tmp = t_0 return tmp
function code(x, y, z) t_0 = fmax(Float64(-30.0 * y), Float64(abs(Float64(30.0 * x)) - 0.2)) tmp = 0.0 if (x <= -2.75e+14) tmp = t_0; elseif (x <= 5.1e+29) tmp = fmax(Float64(Float64(y * 30.0) - 25.0), Float64(abs(Float64(30.0 * y)) - 0.2)); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = max((-30.0 * y), (abs((30.0 * x)) - 0.2)); tmp = 0.0; if (x <= -2.75e+14) tmp = t_0; elseif (x <= 5.1e+29) tmp = max(((y * 30.0) - 25.0), (abs((30.0 * y)) - 0.2)); else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[Max[N[(-30.0 * y), $MachinePrecision], N[(N[Abs[N[(30.0 * x), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision]}, If[LessEqual[x, -2.75e+14], t$95$0, If[LessEqual[x, 5.1e+29], N[Max[N[(N[(y * 30.0), $MachinePrecision] - 25.0), $MachinePrecision], N[(N[Abs[N[(30.0 * y), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{max}\left(-30 \cdot y, \left|30 \cdot x\right| - 0.2\right)\\
\mathbf{if}\;x \leq -2.75 \cdot 10^{+14}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;x \leq 5.1 \cdot 10^{+29}:\\
\;\;\;\;\mathsf{max}\left(y \cdot 30 - 25, \left|30 \cdot y\right| - 0.2\right)\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if x < -2.75e14 or 5.1000000000000001e29 < x Initial program 30.7%
Taylor expanded in z around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
*-commutativeN/A
lift-sin.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lift-cos.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f6430.7
Applied rewrites30.7%
Taylor expanded in y around 0
lift-sin.f64N/A
lift-*.f6430.7
Applied rewrites30.7%
Taylor expanded in y around -inf
lower-*.f6413.5
Applied rewrites13.5%
Taylor expanded in x around 0
lift-*.f6472.1
Applied rewrites72.1%
if -2.75e14 < x < 5.1000000000000001e29Initial program 59.5%
Taylor expanded in x around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-cos.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f6459.0
Applied rewrites59.0%
Taylor expanded in z around 0
*-commutativeN/A
lift-sin.f64N/A
lift-*.f6458.3
Applied rewrites58.3%
Taylor expanded in y around inf
*-commutativeN/A
lift-*.f6441.5
Applied rewrites41.5%
Taylor expanded in y around 0
lower-*.f6458.4
Applied rewrites58.4%
(FPCore (x y z) :precision binary64 (fmax (* -30.0 y) (- (fabs (* 30.0 x)) 0.2)))
double code(double x, double y, double z) {
return fmax((-30.0 * y), (fabs((30.0 * x)) - 0.2));
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = fmax(((-30.0d0) * y), (abs((30.0d0 * x)) - 0.2d0))
end function
public static double code(double x, double y, double z) {
return fmax((-30.0 * y), (Math.abs((30.0 * x)) - 0.2));
}
def code(x, y, z): return fmax((-30.0 * y), (math.fabs((30.0 * x)) - 0.2))
function code(x, y, z) return fmax(Float64(-30.0 * y), Float64(abs(Float64(30.0 * x)) - 0.2)) end
function tmp = code(x, y, z) tmp = max((-30.0 * y), (abs((30.0 * x)) - 0.2)); end
code[x_, y_, z_] := N[Max[N[(-30.0 * y), $MachinePrecision], N[(N[Abs[N[(30.0 * x), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\mathsf{max}\left(-30 \cdot y, \left|30 \cdot x\right| - 0.2\right)
\end{array}
Initial program 46.2%
Taylor expanded in z around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
*-commutativeN/A
lift-sin.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lift-cos.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-sin.f64N/A
lift-*.f6445.8
Applied rewrites45.8%
Taylor expanded in y around 0
lift-sin.f64N/A
lift-*.f6445.4
Applied rewrites45.4%
Taylor expanded in y around -inf
lower-*.f6417.3
Applied rewrites17.3%
Taylor expanded in x around 0
lift-*.f6444.9
Applied rewrites44.9%
herbie shell --seed 2025133
(FPCore (x y z)
:name "Gyroid sphere"
:precision binary64
(fmax (- (sqrt (+ (+ (pow (* x 30.0) 2.0) (pow (* y 30.0) 2.0)) (pow (* z 30.0) 2.0))) 25.0) (- (fabs (+ (+ (* (sin (* x 30.0)) (cos (* y 30.0))) (* (sin (* y 30.0)) (cos (* z 30.0)))) (* (sin (* z 30.0)) (cos (* x 30.0))))) 0.2)))