
(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 4 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 (* 30.0 x)) (* 30.0 y))) 0.2)))
(if (<= z -850000.0)
(fmax (* -30.0 z) t_0)
(if (<= z 47000.0)
(fmax (* x (- 30.0 (* 25.0 (/ 1.0 x)))) t_0)
(fmax (* z (- 30.0 (* 25.0 (/ 1.0 z)))) t_0)))))
double code(double x, double y, double z) {
double t_0 = fabs((sin((30.0 * x)) + (30.0 * y))) - 0.2;
double tmp;
if (z <= -850000.0) {
tmp = fmax((-30.0 * z), t_0);
} else if (z <= 47000.0) {
tmp = fmax((x * (30.0 - (25.0 * (1.0 / x)))), t_0);
} else {
tmp = fmax((z * (30.0 - (25.0 * (1.0 / z)))), 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 = abs((sin((30.0d0 * x)) + (30.0d0 * y))) - 0.2d0
if (z <= (-850000.0d0)) then
tmp = fmax(((-30.0d0) * z), t_0)
else if (z <= 47000.0d0) then
tmp = fmax((x * (30.0d0 - (25.0d0 * (1.0d0 / x)))), t_0)
else
tmp = fmax((z * (30.0d0 - (25.0d0 * (1.0d0 / z)))), t_0)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = Math.abs((Math.sin((30.0 * x)) + (30.0 * y))) - 0.2;
double tmp;
if (z <= -850000.0) {
tmp = fmax((-30.0 * z), t_0);
} else if (z <= 47000.0) {
tmp = fmax((x * (30.0 - (25.0 * (1.0 / x)))), t_0);
} else {
tmp = fmax((z * (30.0 - (25.0 * (1.0 / z)))), t_0);
}
return tmp;
}
def code(x, y, z): t_0 = math.fabs((math.sin((30.0 * x)) + (30.0 * y))) - 0.2 tmp = 0 if z <= -850000.0: tmp = fmax((-30.0 * z), t_0) elif z <= 47000.0: tmp = fmax((x * (30.0 - (25.0 * (1.0 / x)))), t_0) else: tmp = fmax((z * (30.0 - (25.0 * (1.0 / z)))), t_0) return tmp
function code(x, y, z) t_0 = Float64(abs(Float64(sin(Float64(30.0 * x)) + Float64(30.0 * y))) - 0.2) tmp = 0.0 if (z <= -850000.0) tmp = fmax(Float64(-30.0 * z), t_0); elseif (z <= 47000.0) tmp = fmax(Float64(x * Float64(30.0 - Float64(25.0 * Float64(1.0 / x)))), t_0); else tmp = fmax(Float64(z * Float64(30.0 - Float64(25.0 * Float64(1.0 / z)))), t_0); end return tmp end
function tmp_2 = code(x, y, z) t_0 = abs((sin((30.0 * x)) + (30.0 * y))) - 0.2; tmp = 0.0; if (z <= -850000.0) tmp = max((-30.0 * z), t_0); elseif (z <= 47000.0) tmp = max((x * (30.0 - (25.0 * (1.0 / x)))), t_0); else tmp = max((z * (30.0 - (25.0 * (1.0 / z)))), t_0); end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[Abs[N[(N[Sin[N[(30.0 * x), $MachinePrecision]], $MachinePrecision] + N[(30.0 * y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]}, If[LessEqual[z, -850000.0], N[Max[N[(-30.0 * z), $MachinePrecision], t$95$0], $MachinePrecision], If[LessEqual[z, 47000.0], N[Max[N[(x * N[(30.0 - N[(25.0 * N[(1.0 / x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$0], $MachinePrecision], N[Max[N[(z * N[(30.0 - N[(25.0 * N[(1.0 / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$0], $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\sin \left(30 \cdot x\right) + 30 \cdot y\right| - 0.2\\
\mathbf{if}\;z \leq -850000:\\
\;\;\;\;\mathsf{max}\left(-30 \cdot z, t\_0\right)\\
\mathbf{elif}\;z \leq 47000:\\
\;\;\;\;\mathsf{max}\left(x \cdot \left(30 - 25 \cdot \frac{1}{x}\right), t\_0\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{max}\left(z \cdot \left(30 - 25 \cdot \frac{1}{z}\right), t\_0\right)\\
\end{array}
\end{array}
if z < -8.5e5Initial program 47.0%
Taylor expanded in z around 0
Applied rewrites46.7%
Applied rewrites46.7%
Taylor expanded in y around 0
Applied rewrites46.3%
Taylor expanded in z around -inf
Applied rewrites46.1%
if -8.5e5 < z < 47000Initial program 47.0%
Taylor expanded in z around 0
Applied rewrites46.7%
Applied rewrites46.7%
Taylor expanded in y around 0
Applied rewrites46.3%
Taylor expanded in x around inf
Applied rewrites56.4%
if 47000 < z Initial program 47.0%
Taylor expanded in z around 0
Applied rewrites46.7%
Applied rewrites46.7%
Taylor expanded in y around 0
Applied rewrites46.3%
Taylor expanded in z around inf
Applied rewrites57.1%
(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))
2e+148)
(fmax
(-
(sqrt
(fma
(* z 30.0)
(* z 30.0)
(fma (* x 30.0) (* x 30.0) (* (* y 30.0) (* y 30.0)))))
25.0)
(- (fabs (* 30.0 y)) 0.2))
(fmax (* -30.0 z) (- (fabs (+ (sin (* 30.0 x)) (* 30.0 y))) 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)) <= 2e+148) {
tmp = fmax((sqrt(fma((z * 30.0), (z * 30.0), fma((x * 30.0), (x * 30.0), ((y * 30.0) * (y * 30.0))))) - 25.0), (fabs((30.0 * y)) - 0.2));
} else {
tmp = fmax((-30.0 * z), (fabs((sin((30.0 * x)) + (30.0 * y))) - 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)) <= 2e+148) tmp = fmax(Float64(sqrt(fma(Float64(z * 30.0), Float64(z * 30.0), fma(Float64(x * 30.0), Float64(x * 30.0), Float64(Float64(y * 30.0) * Float64(y * 30.0))))) - 25.0), Float64(abs(Float64(30.0 * y)) - 0.2)); else tmp = fmax(Float64(-30.0 * z), Float64(abs(Float64(sin(Float64(30.0 * x)) + Float64(30.0 * y))) - 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], 2e+148], N[Max[N[(N[Sqrt[N[(N[(z * 30.0), $MachinePrecision] * N[(z * 30.0), $MachinePrecision] + N[(N[(x * 30.0), $MachinePrecision] * N[(x * 30.0), $MachinePrecision] + N[(N[(y * 30.0), $MachinePrecision] * N[(y * 30.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 25.0), $MachinePrecision], N[(N[Abs[N[(30.0 * y), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision], N[Max[N[(-30.0 * z), $MachinePrecision], N[(N[Abs[N[(N[Sin[N[(30.0 * x), $MachinePrecision]], $MachinePrecision] + N[(30.0 * y), $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 2 \cdot 10^{+148}:\\
\;\;\;\;\mathsf{max}\left(\sqrt{\mathsf{fma}\left(z \cdot 30, z \cdot 30, \mathsf{fma}\left(x \cdot 30, x \cdot 30, \left(y \cdot 30\right) \cdot \left(y \cdot 30\right)\right)\right)} - 25, \left|30 \cdot y\right| - 0.2\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{max}\left(-30 \cdot z, \left|\sin \left(30 \cdot x\right) + 30 \cdot y\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))) < 2.0000000000000001e148Initial program 47.0%
Taylor expanded in z around 0
Applied rewrites46.7%
Applied rewrites46.7%
Taylor expanded in y around 0
Applied rewrites46.3%
Taylor expanded in x around 0
Applied rewrites45.9%
if 2.0000000000000001e148 < (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 47.0%
Taylor expanded in z around 0
Applied rewrites46.7%
Applied rewrites46.7%
Taylor expanded in y around 0
Applied rewrites46.3%
Taylor expanded in z around -inf
Applied rewrites46.1%
(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))
2e+152)
(fmax
(-
(sqrt
(fma
(* z 30.0)
(* z 30.0)
(fma (* x 30.0) (* x 30.0) (* (* y 30.0) (* y 30.0)))))
25.0)
(- (fabs (* 30.0 y)) 0.2))
(fmax (* -30.0 x) (- (fabs (+ (sin (* 30.0 x)) (* 30.0 y))) 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)) <= 2e+152) {
tmp = fmax((sqrt(fma((z * 30.0), (z * 30.0), fma((x * 30.0), (x * 30.0), ((y * 30.0) * (y * 30.0))))) - 25.0), (fabs((30.0 * y)) - 0.2));
} else {
tmp = fmax((-30.0 * x), (fabs((sin((30.0 * x)) + (30.0 * y))) - 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)) <= 2e+152) tmp = fmax(Float64(sqrt(fma(Float64(z * 30.0), Float64(z * 30.0), fma(Float64(x * 30.0), Float64(x * 30.0), Float64(Float64(y * 30.0) * Float64(y * 30.0))))) - 25.0), Float64(abs(Float64(30.0 * y)) - 0.2)); else tmp = fmax(Float64(-30.0 * x), Float64(abs(Float64(sin(Float64(30.0 * x)) + Float64(30.0 * y))) - 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], 2e+152], N[Max[N[(N[Sqrt[N[(N[(z * 30.0), $MachinePrecision] * N[(z * 30.0), $MachinePrecision] + N[(N[(x * 30.0), $MachinePrecision] * N[(x * 30.0), $MachinePrecision] + N[(N[(y * 30.0), $MachinePrecision] * N[(y * 30.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 25.0), $MachinePrecision], N[(N[Abs[N[(30.0 * y), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision], N[Max[N[(-30.0 * x), $MachinePrecision], N[(N[Abs[N[(N[Sin[N[(30.0 * x), $MachinePrecision]], $MachinePrecision] + N[(30.0 * y), $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 2 \cdot 10^{+152}:\\
\;\;\;\;\mathsf{max}\left(\sqrt{\mathsf{fma}\left(z \cdot 30, z \cdot 30, \mathsf{fma}\left(x \cdot 30, x \cdot 30, \left(y \cdot 30\right) \cdot \left(y \cdot 30\right)\right)\right)} - 25, \left|30 \cdot y\right| - 0.2\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{max}\left(-30 \cdot x, \left|\sin \left(30 \cdot x\right) + 30 \cdot y\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))) < 2.0000000000000001e152Initial program 47.0%
Taylor expanded in z around 0
Applied rewrites46.7%
Applied rewrites46.7%
Taylor expanded in y around 0
Applied rewrites46.3%
Taylor expanded in x around 0
Applied rewrites45.9%
if 2.0000000000000001e152 < (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 47.0%
Taylor expanded in z around 0
Applied rewrites46.7%
Applied rewrites46.7%
Taylor expanded in y around 0
Applied rewrites46.3%
Taylor expanded in x around -inf
Applied rewrites45.3%
(FPCore (x y z)
:precision binary64
(fmax
(-
(sqrt
(fma
(* z 30.0)
(* z 30.0)
(fma (* x 30.0) (* x 30.0) (* (* y 30.0) (* y 30.0)))))
25.0)
(- (fabs (* 30.0 y)) 0.2)))
double code(double x, double y, double z) {
return fmax((sqrt(fma((z * 30.0), (z * 30.0), fma((x * 30.0), (x * 30.0), ((y * 30.0) * (y * 30.0))))) - 25.0), (fabs((30.0 * y)) - 0.2));
}
function code(x, y, z) return fmax(Float64(sqrt(fma(Float64(z * 30.0), Float64(z * 30.0), fma(Float64(x * 30.0), Float64(x * 30.0), Float64(Float64(y * 30.0) * Float64(y * 30.0))))) - 25.0), Float64(abs(Float64(30.0 * y)) - 0.2)) end
code[x_, y_, z_] := N[Max[N[(N[Sqrt[N[(N[(z * 30.0), $MachinePrecision] * N[(z * 30.0), $MachinePrecision] + N[(N[(x * 30.0), $MachinePrecision] * N[(x * 30.0), $MachinePrecision] + N[(N[(y * 30.0), $MachinePrecision] * N[(y * 30.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 25.0), $MachinePrecision], N[(N[Abs[N[(30.0 * y), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\mathsf{max}\left(\sqrt{\mathsf{fma}\left(z \cdot 30, z \cdot 30, \mathsf{fma}\left(x \cdot 30, x \cdot 30, \left(y \cdot 30\right) \cdot \left(y \cdot 30\right)\right)\right)} - 25, \left|30 \cdot y\right| - 0.2\right)
\end{array}
Initial program 47.0%
Taylor expanded in z around 0
Applied rewrites46.7%
Applied rewrites46.7%
Taylor expanded in y around 0
Applied rewrites46.3%
Taylor expanded in x around 0
Applied rewrites45.9%
herbie shell --seed 2025161
(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)))