
(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 (fma (* 900.0 z) z (* 900.0 (fma y y (* x x)))))
(t_1 (* 25.0 (/ 1.0 x))))
(if (<= x -1e+139)
(fmax
(* -1.0 (* x (+ 30.0 t_1)))
(- (fabs (+ (sin (* 30.0 z)) (* 30.0 (* y (cos (* 30.0 z)))))) 0.2))
(if (<= x -0.94)
(fmax
(/ (- t_0 625.0) (- (sqrt t_0) -25.0))
(- (fabs (+ (sin (* 30.0 y)) (* 30.0 z))) 0.2))
(fmax (* x (- 30.0 t_1)) (- (fabs (fma 30.0 y (* 30.0 z))) 0.2))))))
double code(double x, double y, double z) {
double t_0 = fma((900.0 * z), z, (900.0 * fma(y, y, (x * x))));
double t_1 = 25.0 * (1.0 / x);
double tmp;
if (x <= -1e+139) {
tmp = fmax((-1.0 * (x * (30.0 + t_1))), (fabs((sin((30.0 * z)) + (30.0 * (y * cos((30.0 * z)))))) - 0.2));
} else if (x <= -0.94) {
tmp = fmax(((t_0 - 625.0) / (sqrt(t_0) - -25.0)), (fabs((sin((30.0 * y)) + (30.0 * z))) - 0.2));
} else {
tmp = fmax((x * (30.0 - t_1)), (fabs(fma(30.0, y, (30.0 * z))) - 0.2));
}
return tmp;
}
function code(x, y, z) t_0 = fma(Float64(900.0 * z), z, Float64(900.0 * fma(y, y, Float64(x * x)))) t_1 = Float64(25.0 * Float64(1.0 / x)) tmp = 0.0 if (x <= -1e+139) tmp = fmax(Float64(-1.0 * Float64(x * Float64(30.0 + t_1))), Float64(abs(Float64(sin(Float64(30.0 * z)) + Float64(30.0 * Float64(y * cos(Float64(30.0 * z)))))) - 0.2)); elseif (x <= -0.94) tmp = fmax(Float64(Float64(t_0 - 625.0) / Float64(sqrt(t_0) - -25.0)), Float64(abs(Float64(sin(Float64(30.0 * y)) + Float64(30.0 * z))) - 0.2)); else tmp = fmax(Float64(x * Float64(30.0 - t_1)), Float64(abs(fma(30.0, y, Float64(30.0 * z))) - 0.2)); end return tmp end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(900.0 * z), $MachinePrecision] * z + N[(900.0 * N[(y * y + N[(x * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(25.0 * N[(1.0 / x), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[x, -1e+139], N[Max[N[(-1.0 * N[(x * N[(30.0 + t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[Abs[N[(N[Sin[N[(30.0 * z), $MachinePrecision]], $MachinePrecision] + N[(30.0 * N[(y * N[Cos[N[(30.0 * z), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision], If[LessEqual[x, -0.94], N[Max[N[(N[(t$95$0 - 625.0), $MachinePrecision] / N[(N[Sqrt[t$95$0], $MachinePrecision] - -25.0), $MachinePrecision]), $MachinePrecision], N[(N[Abs[N[(N[Sin[N[(30.0 * y), $MachinePrecision]], $MachinePrecision] + N[(30.0 * z), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision], N[Max[N[(x * N[(30.0 - t$95$1), $MachinePrecision]), $MachinePrecision], N[(N[Abs[N[(30.0 * y + N[(30.0 * z), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{fma}\left(900 \cdot z, z, 900 \cdot \mathsf{fma}\left(y, y, x \cdot x\right)\right)\\
t_1 := 25 \cdot \frac{1}{x}\\
\mathbf{if}\;x \leq -1 \cdot 10^{+139}:\\
\;\;\;\;\mathsf{max}\left(-1 \cdot \left(x \cdot \left(30 + t\_1\right)\right), \left|\sin \left(30 \cdot z\right) + 30 \cdot \left(y \cdot \cos \left(30 \cdot z\right)\right)\right| - 0.2\right)\\
\mathbf{elif}\;x \leq -0.94:\\
\;\;\;\;\mathsf{max}\left(\frac{t\_0 - 625}{\sqrt{t\_0} - -25}, \left|\sin \left(30 \cdot y\right) + 30 \cdot z\right| - 0.2\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{max}\left(x \cdot \left(30 - t\_1\right), \left|\mathsf{fma}\left(30, y, 30 \cdot z\right)\right| - 0.2\right)\\
\end{array}
\end{array}
if x < -1.00000000000000003e139Initial program 46.8%
Taylor expanded in x around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-cos.f64N/A
lower-*.f64N/A
lower-sin.f64N/A
lower-*.f6446.5
Applied rewrites46.5%
Taylor expanded in x around -inf
lower-*.f64N/A
lower-*.f64N/A
lower-+.f64N/A
lower-*.f64N/A
lower-/.f6429.3
Applied rewrites29.3%
Taylor expanded in y around 0
lower-*.f64N/A
lower-*.f64N/A
lower-cos.f64N/A
lower-*.f6449.2
Applied rewrites49.2%
if -1.00000000000000003e139 < x < -0.93999999999999995Initial program 46.8%
Taylor expanded in x around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-cos.f64N/A
lower-*.f64N/A
lower-sin.f64N/A
lower-*.f6446.5
Applied rewrites46.5%
Taylor expanded in z around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f6446.2
Applied rewrites46.2%
lift--.f64N/A
flip--N/A
lower-/.f64N/A
Applied rewrites61.6%
if -0.93999999999999995 < x Initial program 46.8%
Taylor expanded in x around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-cos.f64N/A
lower-*.f64N/A
lower-sin.f64N/A
lower-*.f6446.5
Applied rewrites46.5%
Taylor expanded in z around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f6446.2
Applied rewrites46.2%
Taylor expanded in x around inf
lower-*.f64N/A
lower--.f64N/A
lower-*.f64N/A
lower-/.f6457.3
Applied rewrites57.3%
Taylor expanded in y around 0
lower-fma.f64N/A
lower-*.f6484.2
Applied rewrites84.2%
(FPCore (x y z)
:precision binary64
(if (<= x -1.02e+18)
(fmax (* -30.0 x) (- (fabs (+ (sin (* 30.0 y)) (* 30.0 z))) 0.2))
(fmax
(* x (- 30.0 (* 25.0 (/ 1.0 x))))
(- (fabs (fma 30.0 y (* 30.0 z))) 0.2))))
double code(double x, double y, double z) {
double tmp;
if (x <= -1.02e+18) {
tmp = fmax((-30.0 * x), (fabs((sin((30.0 * y)) + (30.0 * z))) - 0.2));
} else {
tmp = fmax((x * (30.0 - (25.0 * (1.0 / x)))), (fabs(fma(30.0, y, (30.0 * z))) - 0.2));
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if (x <= -1.02e+18) tmp = fmax(Float64(-30.0 * x), Float64(abs(Float64(sin(Float64(30.0 * y)) + Float64(30.0 * z))) - 0.2)); else tmp = fmax(Float64(x * Float64(30.0 - Float64(25.0 * Float64(1.0 / x)))), Float64(abs(fma(30.0, y, Float64(30.0 * z))) - 0.2)); end return tmp end
code[x_, y_, z_] := If[LessEqual[x, -1.02e+18], N[Max[N[(-30.0 * x), $MachinePrecision], N[(N[Abs[N[(N[Sin[N[(30.0 * y), $MachinePrecision]], $MachinePrecision] + N[(30.0 * z), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision], N[Max[N[(x * N[(30.0 - N[(25.0 * N[(1.0 / x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[Abs[N[(30.0 * y + N[(30.0 * z), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.02 \cdot 10^{+18}:\\
\;\;\;\;\mathsf{max}\left(-30 \cdot x, \left|\sin \left(30 \cdot y\right) + 30 \cdot z\right| - 0.2\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{max}\left(x \cdot \left(30 - 25 \cdot \frac{1}{x}\right), \left|\mathsf{fma}\left(30, y, 30 \cdot z\right)\right| - 0.2\right)\\
\end{array}
\end{array}
if x < -1.02e18Initial program 46.8%
Taylor expanded in x around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-cos.f64N/A
lower-*.f64N/A
lower-sin.f64N/A
lower-*.f6446.5
Applied rewrites46.5%
Taylor expanded in z around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f6446.2
Applied rewrites46.2%
lift--.f64N/A
flip--N/A
lower-/.f64N/A
Applied rewrites61.6%
Taylor expanded in x around -inf
lower-*.f6444.9
Applied rewrites44.9%
if -1.02e18 < x Initial program 46.8%
Taylor expanded in x around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-cos.f64N/A
lower-*.f64N/A
lower-sin.f64N/A
lower-*.f6446.5
Applied rewrites46.5%
Taylor expanded in z around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f6446.2
Applied rewrites46.2%
Taylor expanded in x around inf
lower-*.f64N/A
lower--.f64N/A
lower-*.f64N/A
lower-/.f6457.3
Applied rewrites57.3%
Taylor expanded in y around 0
lower-fma.f64N/A
lower-*.f6484.2
Applied rewrites84.2%
(FPCore (x y z)
:precision binary64
(if (<=
(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))
1e+154)
(fmax
(- (sqrt (fma (* 30.0 x) (* 30.0 x) (* 900.0 (fma y y (* z z))))) 25.0)
(- (fabs (* 30.0 z)) 0.2))
(fmax
(* x (- 30.0 (* 25.0 (/ 1.0 x))))
(- (fabs (fma 30.0 y (* 30.0 z))) 0.2))))
double code(double x, double y, double z) {
double tmp;
if (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)) <= 1e+154) {
tmp = fmax((sqrt(fma((30.0 * x), (30.0 * x), (900.0 * fma(y, y, (z * z))))) - 25.0), (fabs((30.0 * z)) - 0.2));
} else {
tmp = fmax((x * (30.0 - (25.0 * (1.0 / x)))), (fabs(fma(30.0, y, (30.0 * z))) - 0.2));
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if (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)) <= 1e+154) tmp = fmax(Float64(sqrt(fma(Float64(30.0 * x), Float64(30.0 * x), Float64(900.0 * fma(y, y, Float64(z * z))))) - 25.0), Float64(abs(Float64(30.0 * z)) - 0.2)); else tmp = fmax(Float64(x * Float64(30.0 - Float64(25.0 * Float64(1.0 / x)))), Float64(abs(fma(30.0, y, Float64(30.0 * z))) - 0.2)); end return tmp end
code[x_, y_, z_] := If[LessEqual[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], 1e+154], N[Max[N[(N[Sqrt[N[(N[(30.0 * x), $MachinePrecision] * N[(30.0 * x), $MachinePrecision] + N[(900.0 * N[(y * y + N[(z * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 25.0), $MachinePrecision], N[(N[Abs[N[(30.0 * z), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision], N[Max[N[(x * N[(30.0 - N[(25.0 * N[(1.0 / x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[Abs[N[(30.0 * y + N[(30.0 * z), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\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) \leq 10^{+154}:\\
\;\;\;\;\mathsf{max}\left(\sqrt{\mathsf{fma}\left(30 \cdot x, 30 \cdot x, 900 \cdot \mathsf{fma}\left(y, y, z \cdot z\right)\right)} - 25, \left|30 \cdot z\right| - 0.2\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{max}\left(x \cdot \left(30 - 25 \cdot \frac{1}{x}\right), \left|\mathsf{fma}\left(30, y, 30 \cdot z\right)\right| - 0.2\right)\\
\end{array}
\end{array}
if (fmax.f64 (-.f64 (sqrt.f64 (+.f64 (+.f64 (pow.f64 (*.f64 x #s(literal 30 binary64)) #s(literal 2 binary64)) (pow.f64 (*.f64 y #s(literal 30 binary64)) #s(literal 2 binary64))) (pow.f64 (*.f64 z #s(literal 30 binary64)) #s(literal 2 binary64)))) #s(literal 25 binary64)) (-.f64 (fabs.f64 (+.f64 (+.f64 (*.f64 (sin.f64 (*.f64 x #s(literal 30 binary64))) (cos.f64 (*.f64 y #s(literal 30 binary64)))) (*.f64 (sin.f64 (*.f64 y #s(literal 30 binary64))) (cos.f64 (*.f64 z #s(literal 30 binary64))))) (*.f64 (sin.f64 (*.f64 z #s(literal 30 binary64))) (cos.f64 (*.f64 x #s(literal 30 binary64)))))) #s(literal 1/5 binary64))) < 1.00000000000000004e154Initial program 46.8%
Taylor expanded in x around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-cos.f64N/A
lower-*.f64N/A
lower-sin.f64N/A
lower-*.f6446.5
Applied rewrites46.5%
Taylor expanded in z around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f6446.2
Applied rewrites46.2%
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
lift-*.f64N/A
lift-pow.f64N/A
unpow2N/A
lower-fma.f64N/A
*-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
lift-*.f64N/A
lift-pow.f64N/A
lift-*.f64N/A
unpow-prod-downN/A
metadata-evalN/A
lift-*.f64N/A
lift-pow.f64N/A
unpow-prod-downN/A
pow2N/A
lift-*.f64N/A
metadata-evalN/A
distribute-rgt-outN/A
lower-*.f64N/A
unpow2N/A
lower-fma.f6446.1
Applied rewrites46.1%
Taylor expanded in y around 0
lower-*.f6445.8
Applied rewrites45.8%
if 1.00000000000000004e154 < (fmax.f64 (-.f64 (sqrt.f64 (+.f64 (+.f64 (pow.f64 (*.f64 x #s(literal 30 binary64)) #s(literal 2 binary64)) (pow.f64 (*.f64 y #s(literal 30 binary64)) #s(literal 2 binary64))) (pow.f64 (*.f64 z #s(literal 30 binary64)) #s(literal 2 binary64)))) #s(literal 25 binary64)) (-.f64 (fabs.f64 (+.f64 (+.f64 (*.f64 (sin.f64 (*.f64 x #s(literal 30 binary64))) (cos.f64 (*.f64 y #s(literal 30 binary64)))) (*.f64 (sin.f64 (*.f64 y #s(literal 30 binary64))) (cos.f64 (*.f64 z #s(literal 30 binary64))))) (*.f64 (sin.f64 (*.f64 z #s(literal 30 binary64))) (cos.f64 (*.f64 x #s(literal 30 binary64)))))) #s(literal 1/5 binary64))) Initial program 46.8%
Taylor expanded in x around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-cos.f64N/A
lower-*.f64N/A
lower-sin.f64N/A
lower-*.f6446.5
Applied rewrites46.5%
Taylor expanded in z around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f6446.2
Applied rewrites46.2%
Taylor expanded in x around inf
lower-*.f64N/A
lower--.f64N/A
lower-*.f64N/A
lower-/.f6457.3
Applied rewrites57.3%
Taylor expanded in y around 0
lower-fma.f64N/A
lower-*.f6484.2
Applied rewrites84.2%
(FPCore (x y z) :precision binary64 (fmax (* x (- 30.0 (* 25.0 (/ 1.0 x)))) (- (fabs (fma 30.0 y (* 30.0 z))) 0.2)))
double code(double x, double y, double z) {
return fmax((x * (30.0 - (25.0 * (1.0 / x)))), (fabs(fma(30.0, y, (30.0 * z))) - 0.2));
}
function code(x, y, z) return fmax(Float64(x * Float64(30.0 - Float64(25.0 * Float64(1.0 / x)))), Float64(abs(fma(30.0, y, Float64(30.0 * z))) - 0.2)) end
code[x_, y_, z_] := N[Max[N[(x * N[(30.0 - N[(25.0 * N[(1.0 / x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[Abs[N[(30.0 * y + N[(30.0 * z), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\mathsf{max}\left(x \cdot \left(30 - 25 \cdot \frac{1}{x}\right), \left|\mathsf{fma}\left(30, y, 30 \cdot z\right)\right| - 0.2\right)
\end{array}
Initial program 46.8%
Taylor expanded in x around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-cos.f64N/A
lower-*.f64N/A
lower-sin.f64N/A
lower-*.f6446.5
Applied rewrites46.5%
Taylor expanded in z around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f6446.2
Applied rewrites46.2%
Taylor expanded in x around inf
lower-*.f64N/A
lower--.f64N/A
lower-*.f64N/A
lower-/.f6457.3
Applied rewrites57.3%
Taylor expanded in y around 0
lower-fma.f64N/A
lower-*.f6484.2
Applied rewrites84.2%
(FPCore (x y z) :precision binary64 (fmax (* x (- 30.0 (* 25.0 (/ 1.0 x)))) (- (fabs (* 30.0 z)) 0.2)))
double code(double x, double y, double z) {
return fmax((x * (30.0 - (25.0 * (1.0 / x)))), (fabs((30.0 * z)) - 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((x * (30.0d0 - (25.0d0 * (1.0d0 / x)))), (abs((30.0d0 * z)) - 0.2d0))
end function
public static double code(double x, double y, double z) {
return fmax((x * (30.0 - (25.0 * (1.0 / x)))), (Math.abs((30.0 * z)) - 0.2));
}
def code(x, y, z): return fmax((x * (30.0 - (25.0 * (1.0 / x)))), (math.fabs((30.0 * z)) - 0.2))
function code(x, y, z) return fmax(Float64(x * Float64(30.0 - Float64(25.0 * Float64(1.0 / x)))), Float64(abs(Float64(30.0 * z)) - 0.2)) end
function tmp = code(x, y, z) tmp = max((x * (30.0 - (25.0 * (1.0 / x)))), (abs((30.0 * z)) - 0.2)); end
code[x_, y_, z_] := N[Max[N[(x * N[(30.0 - N[(25.0 * N[(1.0 / x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[Abs[N[(30.0 * z), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\mathsf{max}\left(x \cdot \left(30 - 25 \cdot \frac{1}{x}\right), \left|30 \cdot z\right| - 0.2\right)
\end{array}
Initial program 46.8%
Taylor expanded in x around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-cos.f64N/A
lower-*.f64N/A
lower-sin.f64N/A
lower-*.f6446.5
Applied rewrites46.5%
Taylor expanded in z around 0
lower-+.f64N/A
lower-sin.f64N/A
lower-*.f64N/A
lower-*.f6446.2
Applied rewrites46.2%
Taylor expanded in x around inf
lower-*.f64N/A
lower--.f64N/A
lower-*.f64N/A
lower-/.f6457.3
Applied rewrites57.3%
Taylor expanded in y around 0
lower-*.f6456.3
Applied rewrites56.3%
herbie shell --seed 2025140
(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)))