
(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
(if (<= z -1.65e+114)
(fmax (* -30.0 z) (- (fabs (sin (* y 30.0))) 0.2))
(if (<= z 470.0)
(fmax (- (* 30.0 x) 25.0) (- (fabs (* y 30.0)) 0.2))
(fmax (* z 30.0) (- (fabs (* 30.0 x)) 0.2)))))
double code(double x, double y, double z) {
double tmp;
if (z <= -1.65e+114) {
tmp = fmax((-30.0 * z), (fabs(sin((y * 30.0))) - 0.2));
} else if (z <= 470.0) {
tmp = fmax(((30.0 * x) - 25.0), (fabs((y * 30.0)) - 0.2));
} else {
tmp = fmax((z * 30.0), (fabs((30.0 * x)) - 0.2));
}
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) :: tmp
if (z <= (-1.65d+114)) then
tmp = fmax(((-30.0d0) * z), (abs(sin((y * 30.0d0))) - 0.2d0))
else if (z <= 470.0d0) then
tmp = fmax(((30.0d0 * x) - 25.0d0), (abs((y * 30.0d0)) - 0.2d0))
else
tmp = fmax((z * 30.0d0), (abs((30.0d0 * x)) - 0.2d0))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (z <= -1.65e+114) {
tmp = fmax((-30.0 * z), (Math.abs(Math.sin((y * 30.0))) - 0.2));
} else if (z <= 470.0) {
tmp = fmax(((30.0 * x) - 25.0), (Math.abs((y * 30.0)) - 0.2));
} else {
tmp = fmax((z * 30.0), (Math.abs((30.0 * x)) - 0.2));
}
return tmp;
}
def code(x, y, z): tmp = 0 if z <= -1.65e+114: tmp = fmax((-30.0 * z), (math.fabs(math.sin((y * 30.0))) - 0.2)) elif z <= 470.0: tmp = fmax(((30.0 * x) - 25.0), (math.fabs((y * 30.0)) - 0.2)) else: tmp = fmax((z * 30.0), (math.fabs((30.0 * x)) - 0.2)) return tmp
function code(x, y, z) tmp = 0.0 if (z <= -1.65e+114) tmp = fmax(Float64(-30.0 * z), Float64(abs(sin(Float64(y * 30.0))) - 0.2)); elseif (z <= 470.0) tmp = fmax(Float64(Float64(30.0 * x) - 25.0), Float64(abs(Float64(y * 30.0)) - 0.2)); else tmp = fmax(Float64(z * 30.0), Float64(abs(Float64(30.0 * x)) - 0.2)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (z <= -1.65e+114) tmp = max((-30.0 * z), (abs(sin((y * 30.0))) - 0.2)); elseif (z <= 470.0) tmp = max(((30.0 * x) - 25.0), (abs((y * 30.0)) - 0.2)); else tmp = max((z * 30.0), (abs((30.0 * x)) - 0.2)); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[z, -1.65e+114], 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, 470.0], N[Max[N[(N[(30.0 * x), $MachinePrecision] - 25.0), $MachinePrecision], N[(N[Abs[N[(y * 30.0), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision], N[Max[N[(z * 30.0), $MachinePrecision], N[(N[Abs[N[(30.0 * x), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1.65 \cdot 10^{+114}:\\
\;\;\;\;\mathsf{max}\left(-30 \cdot z, \left|\sin \left(y \cdot 30\right)\right| - 0.2\right)\\
\mathbf{elif}\;z \leq 470:\\
\;\;\;\;\mathsf{max}\left(30 \cdot x - 25, \left|y \cdot 30\right| - 0.2\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{max}\left(z \cdot 30, \left|30 \cdot x\right| - 0.2\right)\\
\end{array}
\end{array}
if z < -1.65e114Initial program 17.3%
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-*.f6417.3
Applied rewrites17.3%
Taylor expanded in x around 0
*-commutativeN/A
lift-*.f64N/A
lift-sin.f6417.3
Applied rewrites17.3%
Taylor expanded in z around -inf
lower-*.f6473.1
Applied rewrites73.1%
if -1.65e114 < z < 470Initial program 61.0%
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-*.f6460.4
Applied rewrites60.4%
Taylor expanded in x around 0
*-commutativeN/A
lift-*.f64N/A
lift-sin.f6459.9
Applied rewrites59.9%
Taylor expanded in x around inf
lift-*.f6440.3
Applied rewrites40.3%
Taylor expanded in y around 0
*-commutativeN/A
lift-*.f6473.5
Applied rewrites73.5%
if 470 < z Initial program 33.0%
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-*.f6433.0
Applied rewrites33.0%
Taylor expanded in y around 0
lift-sin.f64N/A
lift-*.f6433.0
Applied rewrites33.0%
Taylor expanded in z around inf
*-commutativeN/A
lift-*.f6460.0
Applied rewrites60.0%
Taylor expanded in x around 0
lift-*.f6478.9
Applied rewrites78.9%
(FPCore (x y z) :precision binary64 (if (<= x -0.00064) (fmax (* -30.0 y) (- (fabs (* 30.0 x)) 0.2)) (fmax (- (* 30.0 x) 25.0) (- (fabs (* y 30.0)) 0.2))))
double code(double x, double y, double z) {
double tmp;
if (x <= -0.00064) {
tmp = fmax((-30.0 * y), (fabs((30.0 * x)) - 0.2));
} else {
tmp = fmax(((30.0 * x) - 25.0), (fabs((y * 30.0)) - 0.2));
}
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) :: tmp
if (x <= (-0.00064d0)) then
tmp = fmax(((-30.0d0) * y), (abs((30.0d0 * x)) - 0.2d0))
else
tmp = fmax(((30.0d0 * x) - 25.0d0), (abs((y * 30.0d0)) - 0.2d0))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -0.00064) {
tmp = fmax((-30.0 * y), (Math.abs((30.0 * x)) - 0.2));
} else {
tmp = fmax(((30.0 * x) - 25.0), (Math.abs((y * 30.0)) - 0.2));
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -0.00064: tmp = fmax((-30.0 * y), (math.fabs((30.0 * x)) - 0.2)) else: tmp = fmax(((30.0 * x) - 25.0), (math.fabs((y * 30.0)) - 0.2)) return tmp
function code(x, y, z) tmp = 0.0 if (x <= -0.00064) tmp = fmax(Float64(-30.0 * y), Float64(abs(Float64(30.0 * x)) - 0.2)); else tmp = fmax(Float64(Float64(30.0 * x) - 25.0), Float64(abs(Float64(y * 30.0)) - 0.2)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -0.00064) tmp = max((-30.0 * y), (abs((30.0 * x)) - 0.2)); else tmp = max(((30.0 * x) - 25.0), (abs((y * 30.0)) - 0.2)); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -0.00064], N[Max[N[(-30.0 * y), $MachinePrecision], N[(N[Abs[N[(30.0 * x), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision], N[Max[N[(N[(30.0 * x), $MachinePrecision] - 25.0), $MachinePrecision], N[(N[Abs[N[(y * 30.0), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -0.00064:\\
\;\;\;\;\mathsf{max}\left(-30 \cdot y, \left|30 \cdot x\right| - 0.2\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{max}\left(30 \cdot x - 25, \left|y \cdot 30\right| - 0.2\right)\\
\end{array}
\end{array}
if x < -6.40000000000000052e-4Initial program 34.7%
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-*.f6434.7
Applied rewrites34.7%
Taylor expanded in y around 0
lift-sin.f64N/A
lift-*.f6434.7
Applied rewrites34.7%
Taylor expanded in y around -inf
lower-*.f6414.8
Applied rewrites14.8%
Taylor expanded in x around 0
lift-*.f6469.6
Applied rewrites69.6%
if -6.40000000000000052e-4 < x Initial program 51.6%
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-*.f6451.2
Applied rewrites51.2%
Taylor expanded in x around 0
*-commutativeN/A
lift-*.f64N/A
lift-sin.f6450.8
Applied rewrites50.8%
Taylor expanded in x around inf
lift-*.f6437.8
Applied rewrites37.8%
Taylor expanded in y around 0
*-commutativeN/A
lift-*.f6467.2
Applied rewrites67.2%
(FPCore (x y z) :precision binary64 (let* ((t_0 (- (fabs (* 30.0 x)) 0.2))) (if (<= y -0.0027) (fmax (* -30.0 y) t_0) (fmax (* z 30.0) t_0))))
double code(double x, double y, double z) {
double t_0 = fabs((30.0 * x)) - 0.2;
double tmp;
if (y <= -0.0027) {
tmp = fmax((-30.0 * y), t_0);
} else {
tmp = fmax((z * 30.0), 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((30.0d0 * x)) - 0.2d0
if (y <= (-0.0027d0)) then
tmp = fmax(((-30.0d0) * y), t_0)
else
tmp = fmax((z * 30.0d0), t_0)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = Math.abs((30.0 * x)) - 0.2;
double tmp;
if (y <= -0.0027) {
tmp = fmax((-30.0 * y), t_0);
} else {
tmp = fmax((z * 30.0), t_0);
}
return tmp;
}
def code(x, y, z): t_0 = math.fabs((30.0 * x)) - 0.2 tmp = 0 if y <= -0.0027: tmp = fmax((-30.0 * y), t_0) else: tmp = fmax((z * 30.0), t_0) return tmp
function code(x, y, z) t_0 = Float64(abs(Float64(30.0 * x)) - 0.2) tmp = 0.0 if (y <= -0.0027) tmp = fmax(Float64(-30.0 * y), t_0); else tmp = fmax(Float64(z * 30.0), t_0); end return tmp end
function tmp_2 = code(x, y, z) t_0 = abs((30.0 * x)) - 0.2; tmp = 0.0; if (y <= -0.0027) tmp = max((-30.0 * y), t_0); else tmp = max((z * 30.0), t_0); end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[Abs[N[(30.0 * x), $MachinePrecision]], $MachinePrecision] - 0.2), $MachinePrecision]}, If[LessEqual[y, -0.0027], N[Max[N[(-30.0 * y), $MachinePrecision], t$95$0], $MachinePrecision], N[Max[N[(z * 30.0), $MachinePrecision], t$95$0], $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|30 \cdot x\right| - 0.2\\
\mathbf{if}\;y \leq -0.0027:\\
\;\;\;\;\mathsf{max}\left(-30 \cdot y, t\_0\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{max}\left(z \cdot 30, t\_0\right)\\
\end{array}
\end{array}
if y < -0.0027000000000000001Initial program 35.1%
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-*.f6435.1
Applied rewrites35.1%
Taylor expanded in y around 0
lift-sin.f64N/A
lift-*.f6434.7
Applied rewrites34.7%
Taylor expanded in y around -inf
lower-*.f6458.7
Applied rewrites58.7%
Taylor expanded in x around 0
lift-*.f6477.5
Applied rewrites77.5%
if -0.0027000000000000001 < y Initial program 51.6%
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-*.f6451.2
Applied rewrites51.2%
Taylor expanded in y around 0
lift-sin.f64N/A
lift-*.f6450.7
Applied rewrites50.7%
Taylor expanded in z around inf
*-commutativeN/A
lift-*.f6419.0
Applied rewrites19.0%
Taylor expanded in x around 0
lift-*.f6449.3
Applied rewrites49.3%
(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 47.4%
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-*.f6447.0
Applied rewrites47.0%
Taylor expanded in y around 0
lift-sin.f64N/A
lift-*.f6446.6
Applied rewrites46.6%
Taylor expanded in y around -inf
lower-*.f6417.7
Applied rewrites17.7%
Taylor expanded in x around 0
lift-*.f6445.2
Applied rewrites45.2%
herbie shell --seed 2025124
(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)))