
(FPCore (x y)
:precision binary64
(let* ((t_0 (sqrt (+ (pow (- y 0.275) 2.0) (pow (- x 0.275) 2.0)))))
(fmin
(fmin
(fmin
(fmin
(fmax (fmax (fmax (- y 0.55) (- y)) (- x 0.825)) (- 0.725 x))
(- (sqrt (+ (pow (- y 0.7) 2.0) (pow (- x 0.775) 2.0))) 0.075))
(fmax (fmax (fmax (- y) (- y 0.275)) (- x 0.55)) (- 0.45 x)))
(fmax (fmax (fmax (- y) (- y 1.0)) (- x 0.1)) (- x)))
(fmax
(fmax
(fmax (fmax (fmax (- y 0.55) (- x 0.55)) (- x)) (- 0.275 y))
(- 0.175 t_0))
(- t_0 0.275)))))
double code(double x, double y) {
double t_0 = sqrt((pow((y - 0.275), 2.0) + pow((x - 0.275), 2.0)));
return fmin(fmin(fmin(fmin(fmax(fmax(fmax((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (sqrt((pow((y - 0.7), 2.0) + pow((x - 0.775), 2.0))) - 0.075)), fmax(fmax(fmax(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), fmax(fmax(fmax(-y, (y - 1.0)), (x - 0.1)), -x)), fmax(fmax(fmax(fmax(fmax((y - 0.55), (x - 0.55)), -x), (0.275 - y)), (0.175 - t_0)), (t_0 - 0.275)));
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: t_0
t_0 = sqrt((((y - 0.275d0) ** 2.0d0) + ((x - 0.275d0) ** 2.0d0)))
code = fmin(fmin(fmin(fmin(fmax(fmax(fmax((y - 0.55d0), -y), (x - 0.825d0)), (0.725d0 - x)), (sqrt((((y - 0.7d0) ** 2.0d0) + ((x - 0.775d0) ** 2.0d0))) - 0.075d0)), fmax(fmax(fmax(-y, (y - 0.275d0)), (x - 0.55d0)), (0.45d0 - x))), fmax(fmax(fmax(-y, (y - 1.0d0)), (x - 0.1d0)), -x)), fmax(fmax(fmax(fmax(fmax((y - 0.55d0), (x - 0.55d0)), -x), (0.275d0 - y)), (0.175d0 - t_0)), (t_0 - 0.275d0)))
end function
public static double code(double x, double y) {
double t_0 = Math.sqrt((Math.pow((y - 0.275), 2.0) + Math.pow((x - 0.275), 2.0)));
return fmin(fmin(fmin(fmin(fmax(fmax(fmax((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (Math.sqrt((Math.pow((y - 0.7), 2.0) + Math.pow((x - 0.775), 2.0))) - 0.075)), fmax(fmax(fmax(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), fmax(fmax(fmax(-y, (y - 1.0)), (x - 0.1)), -x)), fmax(fmax(fmax(fmax(fmax((y - 0.55), (x - 0.55)), -x), (0.275 - y)), (0.175 - t_0)), (t_0 - 0.275)));
}
def code(x, y): t_0 = math.sqrt((math.pow((y - 0.275), 2.0) + math.pow((x - 0.275), 2.0))) return fmin(fmin(fmin(fmin(fmax(fmax(fmax((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (math.sqrt((math.pow((y - 0.7), 2.0) + math.pow((x - 0.775), 2.0))) - 0.075)), fmax(fmax(fmax(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), fmax(fmax(fmax(-y, (y - 1.0)), (x - 0.1)), -x)), fmax(fmax(fmax(fmax(fmax((y - 0.55), (x - 0.55)), -x), (0.275 - y)), (0.175 - t_0)), (t_0 - 0.275)))
function code(x, y) t_0 = sqrt(Float64((Float64(y - 0.275) ^ 2.0) + (Float64(x - 0.275) ^ 2.0))) return fmin(fmin(fmin(fmin(fmax(fmax(fmax(Float64(y - 0.55), Float64(-y)), Float64(x - 0.825)), Float64(0.725 - x)), Float64(sqrt(Float64((Float64(y - 0.7) ^ 2.0) + (Float64(x - 0.775) ^ 2.0))) - 0.075)), fmax(fmax(fmax(Float64(-y), Float64(y - 0.275)), Float64(x - 0.55)), Float64(0.45 - x))), fmax(fmax(fmax(Float64(-y), Float64(y - 1.0)), Float64(x - 0.1)), Float64(-x))), fmax(fmax(fmax(fmax(fmax(Float64(y - 0.55), Float64(x - 0.55)), Float64(-x)), Float64(0.275 - y)), Float64(0.175 - t_0)), Float64(t_0 - 0.275))) end
function tmp = code(x, y) t_0 = sqrt((((y - 0.275) ^ 2.0) + ((x - 0.275) ^ 2.0))); tmp = min(min(min(min(max(max(max((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (sqrt((((y - 0.7) ^ 2.0) + ((x - 0.775) ^ 2.0))) - 0.075)), max(max(max(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), max(max(max(-y, (y - 1.0)), (x - 0.1)), -x)), max(max(max(max(max((y - 0.55), (x - 0.55)), -x), (0.275 - y)), (0.175 - t_0)), (t_0 - 0.275))); end
code[x_, y_] := Block[{t$95$0 = N[Sqrt[N[(N[Power[N[(y - 0.275), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(x - 0.275), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, N[Min[N[Min[N[Min[N[Min[N[Max[N[Max[N[Max[N[(y - 0.55), $MachinePrecision], (-y)], $MachinePrecision], N[(x - 0.825), $MachinePrecision]], $MachinePrecision], N[(0.725 - x), $MachinePrecision]], $MachinePrecision], N[(N[Sqrt[N[(N[Power[N[(y - 0.7), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(x - 0.775), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 0.075), $MachinePrecision]], $MachinePrecision], N[Max[N[Max[N[Max[(-y), N[(y - 0.275), $MachinePrecision]], $MachinePrecision], N[(x - 0.55), $MachinePrecision]], $MachinePrecision], N[(0.45 - x), $MachinePrecision]], $MachinePrecision]], $MachinePrecision], N[Max[N[Max[N[Max[(-y), N[(y - 1.0), $MachinePrecision]], $MachinePrecision], N[(x - 0.1), $MachinePrecision]], $MachinePrecision], (-x)], $MachinePrecision]], $MachinePrecision], N[Max[N[Max[N[Max[N[Max[N[Max[N[(y - 0.55), $MachinePrecision], N[(x - 0.55), $MachinePrecision]], $MachinePrecision], (-x)], $MachinePrecision], N[(0.275 - y), $MachinePrecision]], $MachinePrecision], N[(0.175 - t$95$0), $MachinePrecision]], $MachinePrecision], N[(t$95$0 - 0.275), $MachinePrecision]], $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sqrt{{\left(y - 0.275\right)}^{2} + {\left(x - 0.275\right)}^{2}}\\
\mathsf{min}\left(\mathsf{min}\left(\mathsf{min}\left(\mathsf{min}\left(\mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(y - 0.55, -y\right), x - 0.825\right), 0.725 - x\right), \sqrt{{\left(y - 0.7\right)}^{2} + {\left(x - 0.775\right)}^{2}} - 0.075\right), \mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(-y, y - 0.275\right), x - 0.55\right), 0.45 - x\right)\right), \mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(-y, y - 1\right), x - 0.1\right), -x\right)\right), \mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(y - 0.55, x - 0.55\right), -x\right), 0.275 - y\right), 0.175 - t\_0\right), t\_0 - 0.275\right)\right)
\end{array}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 2 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y)
:precision binary64
(let* ((t_0 (sqrt (+ (pow (- y 0.275) 2.0) (pow (- x 0.275) 2.0)))))
(fmin
(fmin
(fmin
(fmin
(fmax (fmax (fmax (- y 0.55) (- y)) (- x 0.825)) (- 0.725 x))
(- (sqrt (+ (pow (- y 0.7) 2.0) (pow (- x 0.775) 2.0))) 0.075))
(fmax (fmax (fmax (- y) (- y 0.275)) (- x 0.55)) (- 0.45 x)))
(fmax (fmax (fmax (- y) (- y 1.0)) (- x 0.1)) (- x)))
(fmax
(fmax
(fmax (fmax (fmax (- y 0.55) (- x 0.55)) (- x)) (- 0.275 y))
(- 0.175 t_0))
(- t_0 0.275)))))
double code(double x, double y) {
double t_0 = sqrt((pow((y - 0.275), 2.0) + pow((x - 0.275), 2.0)));
return fmin(fmin(fmin(fmin(fmax(fmax(fmax((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (sqrt((pow((y - 0.7), 2.0) + pow((x - 0.775), 2.0))) - 0.075)), fmax(fmax(fmax(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), fmax(fmax(fmax(-y, (y - 1.0)), (x - 0.1)), -x)), fmax(fmax(fmax(fmax(fmax((y - 0.55), (x - 0.55)), -x), (0.275 - y)), (0.175 - t_0)), (t_0 - 0.275)));
}
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)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: t_0
t_0 = sqrt((((y - 0.275d0) ** 2.0d0) + ((x - 0.275d0) ** 2.0d0)))
code = fmin(fmin(fmin(fmin(fmax(fmax(fmax((y - 0.55d0), -y), (x - 0.825d0)), (0.725d0 - x)), (sqrt((((y - 0.7d0) ** 2.0d0) + ((x - 0.775d0) ** 2.0d0))) - 0.075d0)), fmax(fmax(fmax(-y, (y - 0.275d0)), (x - 0.55d0)), (0.45d0 - x))), fmax(fmax(fmax(-y, (y - 1.0d0)), (x - 0.1d0)), -x)), fmax(fmax(fmax(fmax(fmax((y - 0.55d0), (x - 0.55d0)), -x), (0.275d0 - y)), (0.175d0 - t_0)), (t_0 - 0.275d0)))
end function
public static double code(double x, double y) {
double t_0 = Math.sqrt((Math.pow((y - 0.275), 2.0) + Math.pow((x - 0.275), 2.0)));
return fmin(fmin(fmin(fmin(fmax(fmax(fmax((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (Math.sqrt((Math.pow((y - 0.7), 2.0) + Math.pow((x - 0.775), 2.0))) - 0.075)), fmax(fmax(fmax(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), fmax(fmax(fmax(-y, (y - 1.0)), (x - 0.1)), -x)), fmax(fmax(fmax(fmax(fmax((y - 0.55), (x - 0.55)), -x), (0.275 - y)), (0.175 - t_0)), (t_0 - 0.275)));
}
def code(x, y): t_0 = math.sqrt((math.pow((y - 0.275), 2.0) + math.pow((x - 0.275), 2.0))) return fmin(fmin(fmin(fmin(fmax(fmax(fmax((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (math.sqrt((math.pow((y - 0.7), 2.0) + math.pow((x - 0.775), 2.0))) - 0.075)), fmax(fmax(fmax(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), fmax(fmax(fmax(-y, (y - 1.0)), (x - 0.1)), -x)), fmax(fmax(fmax(fmax(fmax((y - 0.55), (x - 0.55)), -x), (0.275 - y)), (0.175 - t_0)), (t_0 - 0.275)))
function code(x, y) t_0 = sqrt(Float64((Float64(y - 0.275) ^ 2.0) + (Float64(x - 0.275) ^ 2.0))) return fmin(fmin(fmin(fmin(fmax(fmax(fmax(Float64(y - 0.55), Float64(-y)), Float64(x - 0.825)), Float64(0.725 - x)), Float64(sqrt(Float64((Float64(y - 0.7) ^ 2.0) + (Float64(x - 0.775) ^ 2.0))) - 0.075)), fmax(fmax(fmax(Float64(-y), Float64(y - 0.275)), Float64(x - 0.55)), Float64(0.45 - x))), fmax(fmax(fmax(Float64(-y), Float64(y - 1.0)), Float64(x - 0.1)), Float64(-x))), fmax(fmax(fmax(fmax(fmax(Float64(y - 0.55), Float64(x - 0.55)), Float64(-x)), Float64(0.275 - y)), Float64(0.175 - t_0)), Float64(t_0 - 0.275))) end
function tmp = code(x, y) t_0 = sqrt((((y - 0.275) ^ 2.0) + ((x - 0.275) ^ 2.0))); tmp = min(min(min(min(max(max(max((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (sqrt((((y - 0.7) ^ 2.0) + ((x - 0.775) ^ 2.0))) - 0.075)), max(max(max(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), max(max(max(-y, (y - 1.0)), (x - 0.1)), -x)), max(max(max(max(max((y - 0.55), (x - 0.55)), -x), (0.275 - y)), (0.175 - t_0)), (t_0 - 0.275))); end
code[x_, y_] := Block[{t$95$0 = N[Sqrt[N[(N[Power[N[(y - 0.275), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(x - 0.275), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, N[Min[N[Min[N[Min[N[Min[N[Max[N[Max[N[Max[N[(y - 0.55), $MachinePrecision], (-y)], $MachinePrecision], N[(x - 0.825), $MachinePrecision]], $MachinePrecision], N[(0.725 - x), $MachinePrecision]], $MachinePrecision], N[(N[Sqrt[N[(N[Power[N[(y - 0.7), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(x - 0.775), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 0.075), $MachinePrecision]], $MachinePrecision], N[Max[N[Max[N[Max[(-y), N[(y - 0.275), $MachinePrecision]], $MachinePrecision], N[(x - 0.55), $MachinePrecision]], $MachinePrecision], N[(0.45 - x), $MachinePrecision]], $MachinePrecision]], $MachinePrecision], N[Max[N[Max[N[Max[(-y), N[(y - 1.0), $MachinePrecision]], $MachinePrecision], N[(x - 0.1), $MachinePrecision]], $MachinePrecision], (-x)], $MachinePrecision]], $MachinePrecision], N[Max[N[Max[N[Max[N[Max[N[Max[N[(y - 0.55), $MachinePrecision], N[(x - 0.55), $MachinePrecision]], $MachinePrecision], (-x)], $MachinePrecision], N[(0.275 - y), $MachinePrecision]], $MachinePrecision], N[(0.175 - t$95$0), $MachinePrecision]], $MachinePrecision], N[(t$95$0 - 0.275), $MachinePrecision]], $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sqrt{{\left(y - 0.275\right)}^{2} + {\left(x - 0.275\right)}^{2}}\\
\mathsf{min}\left(\mathsf{min}\left(\mathsf{min}\left(\mathsf{min}\left(\mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(y - 0.55, -y\right), x - 0.825\right), 0.725 - x\right), \sqrt{{\left(y - 0.7\right)}^{2} + {\left(x - 0.775\right)}^{2}} - 0.075\right), \mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(-y, y - 0.275\right), x - 0.55\right), 0.45 - x\right)\right), \mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(-y, y - 1\right), x - 0.1\right), -x\right)\right), \mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(y - 0.55, x - 0.55\right), -x\right), 0.275 - y\right), 0.175 - t\_0\right), t\_0 - 0.275\right)\right)
\end{array}
\end{array}
(FPCore (x y)
:precision binary64
(let* ((t_0 (hypot (- x 0.275) (- y 0.275))))
(fmin
(fmin
(fmin
(fmin
(fmax (fmax (fmax (- y 0.55) (- y)) (- x 0.825)) (- 0.725 x))
(-
(sqrt
(*
(- (+ (/ (- (pow (- y 0.7) 2.0) -0.600625) (* x x)) 1.0) (/ 1.55 x))
(* x x)))
0.075))
(fmax (fmax (fmax (- y) (- y 0.275)) (- x 0.55)) (- 0.45 x)))
(fmax (fmax (fmax (- y) (- y 1.0)) (- x 0.1)) (- x)))
(fmax
(fmax
(fmax (fmax (fmax (- y 0.55) (- x 0.55)) (- x)) (- 0.275 y))
(- 0.175 t_0))
(- t_0 0.275)))))
double code(double x, double y) {
double t_0 = hypot((x - 0.275), (y - 0.275));
return fmin(fmin(fmin(fmin(fmax(fmax(fmax((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (sqrt((((((pow((y - 0.7), 2.0) - -0.600625) / (x * x)) + 1.0) - (1.55 / x)) * (x * x))) - 0.075)), fmax(fmax(fmax(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), fmax(fmax(fmax(-y, (y - 1.0)), (x - 0.1)), -x)), fmax(fmax(fmax(fmax(fmax((y - 0.55), (x - 0.55)), -x), (0.275 - y)), (0.175 - t_0)), (t_0 - 0.275)));
}
public static double code(double x, double y) {
double t_0 = Math.hypot((x - 0.275), (y - 0.275));
return fmin(fmin(fmin(fmin(fmax(fmax(fmax((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (Math.sqrt((((((Math.pow((y - 0.7), 2.0) - -0.600625) / (x * x)) + 1.0) - (1.55 / x)) * (x * x))) - 0.075)), fmax(fmax(fmax(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), fmax(fmax(fmax(-y, (y - 1.0)), (x - 0.1)), -x)), fmax(fmax(fmax(fmax(fmax((y - 0.55), (x - 0.55)), -x), (0.275 - y)), (0.175 - t_0)), (t_0 - 0.275)));
}
def code(x, y): t_0 = math.hypot((x - 0.275), (y - 0.275)) return fmin(fmin(fmin(fmin(fmax(fmax(fmax((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (math.sqrt((((((math.pow((y - 0.7), 2.0) - -0.600625) / (x * x)) + 1.0) - (1.55 / x)) * (x * x))) - 0.075)), fmax(fmax(fmax(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), fmax(fmax(fmax(-y, (y - 1.0)), (x - 0.1)), -x)), fmax(fmax(fmax(fmax(fmax((y - 0.55), (x - 0.55)), -x), (0.275 - y)), (0.175 - t_0)), (t_0 - 0.275)))
function code(x, y) t_0 = hypot(Float64(x - 0.275), Float64(y - 0.275)) return fmin(fmin(fmin(fmin(fmax(fmax(fmax(Float64(y - 0.55), Float64(-y)), Float64(x - 0.825)), Float64(0.725 - x)), Float64(sqrt(Float64(Float64(Float64(Float64(Float64((Float64(y - 0.7) ^ 2.0) - -0.600625) / Float64(x * x)) + 1.0) - Float64(1.55 / x)) * Float64(x * x))) - 0.075)), fmax(fmax(fmax(Float64(-y), Float64(y - 0.275)), Float64(x - 0.55)), Float64(0.45 - x))), fmax(fmax(fmax(Float64(-y), Float64(y - 1.0)), Float64(x - 0.1)), Float64(-x))), fmax(fmax(fmax(fmax(fmax(Float64(y - 0.55), Float64(x - 0.55)), Float64(-x)), Float64(0.275 - y)), Float64(0.175 - t_0)), Float64(t_0 - 0.275))) end
function tmp = code(x, y) t_0 = hypot((x - 0.275), (y - 0.275)); tmp = min(min(min(min(max(max(max((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (sqrt((((((((y - 0.7) ^ 2.0) - -0.600625) / (x * x)) + 1.0) - (1.55 / x)) * (x * x))) - 0.075)), max(max(max(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), max(max(max(-y, (y - 1.0)), (x - 0.1)), -x)), max(max(max(max(max((y - 0.55), (x - 0.55)), -x), (0.275 - y)), (0.175 - t_0)), (t_0 - 0.275))); end
code[x_, y_] := Block[{t$95$0 = N[Sqrt[N[(x - 0.275), $MachinePrecision] ^ 2 + N[(y - 0.275), $MachinePrecision] ^ 2], $MachinePrecision]}, N[Min[N[Min[N[Min[N[Min[N[Max[N[Max[N[Max[N[(y - 0.55), $MachinePrecision], (-y)], $MachinePrecision], N[(x - 0.825), $MachinePrecision]], $MachinePrecision], N[(0.725 - x), $MachinePrecision]], $MachinePrecision], N[(N[Sqrt[N[(N[(N[(N[(N[(N[Power[N[(y - 0.7), $MachinePrecision], 2.0], $MachinePrecision] - -0.600625), $MachinePrecision] / N[(x * x), $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision] - N[(1.55 / x), $MachinePrecision]), $MachinePrecision] * N[(x * x), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - 0.075), $MachinePrecision]], $MachinePrecision], N[Max[N[Max[N[Max[(-y), N[(y - 0.275), $MachinePrecision]], $MachinePrecision], N[(x - 0.55), $MachinePrecision]], $MachinePrecision], N[(0.45 - x), $MachinePrecision]], $MachinePrecision]], $MachinePrecision], N[Max[N[Max[N[Max[(-y), N[(y - 1.0), $MachinePrecision]], $MachinePrecision], N[(x - 0.1), $MachinePrecision]], $MachinePrecision], (-x)], $MachinePrecision]], $MachinePrecision], N[Max[N[Max[N[Max[N[Max[N[Max[N[(y - 0.55), $MachinePrecision], N[(x - 0.55), $MachinePrecision]], $MachinePrecision], (-x)], $MachinePrecision], N[(0.275 - y), $MachinePrecision]], $MachinePrecision], N[(0.175 - t$95$0), $MachinePrecision]], $MachinePrecision], N[(t$95$0 - 0.275), $MachinePrecision]], $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{hypot}\left(x - 0.275, y - 0.275\right)\\
\mathsf{min}\left(\mathsf{min}\left(\mathsf{min}\left(\mathsf{min}\left(\mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(y - 0.55, -y\right), x - 0.825\right), 0.725 - x\right), \sqrt{\left(\left(\frac{{\left(y - 0.7\right)}^{2} - -0.600625}{x \cdot x} + 1\right) - \frac{1.55}{x}\right) \cdot \left(x \cdot x\right)} - 0.075\right), \mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(-y, y - 0.275\right), x - 0.55\right), 0.45 - x\right)\right), \mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(-y, y - 1\right), x - 0.1\right), -x\right)\right), \mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(y - 0.55, x - 0.55\right), -x\right), 0.275 - y\right), 0.175 - t\_0\right), t\_0 - 0.275\right)\right)
\end{array}
\end{array}
Initial program 100.0%
lift-sqrt.f64N/A
lift-+.f64N/A
flip3-+N/A
sqrt-divN/A
lower-/.f64N/A
Applied rewrites96.1%
Applied rewrites100.0%
Taylor expanded in x around inf
*-commutativeN/A
lower-*.f64N/A
Applied rewrites100.0%
(FPCore (x y)
:precision binary64
(fmin
(fmin
(fmin
(fmin
(fmax (fmax (fmax (- y 0.55) (- y)) (- x 0.825)) (- 0.725 x))
(- (hypot (- x 0.775) (- y 0.7)) 0.075))
(fmax (fmax (fmax (- y) (- y 0.275)) (- x 0.55)) (- 0.45 x)))
(fmax (fmax (fmax (- y) (- y 1.0)) (- x 0.1)) (- x)))
(fmax
(fmax (fmax (fmax (fmax (- y 0.55) (- x 0.55)) (- x)) (- 0.275 y)) (- y))
-0.55)))
double code(double x, double y) {
return fmin(fmin(fmin(fmin(fmax(fmax(fmax((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (hypot((x - 0.775), (y - 0.7)) - 0.075)), fmax(fmax(fmax(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), fmax(fmax(fmax(-y, (y - 1.0)), (x - 0.1)), -x)), fmax(fmax(fmax(fmax(fmax((y - 0.55), (x - 0.55)), -x), (0.275 - y)), -y), -0.55));
}
public static double code(double x, double y) {
return fmin(fmin(fmin(fmin(fmax(fmax(fmax((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (Math.hypot((x - 0.775), (y - 0.7)) - 0.075)), fmax(fmax(fmax(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), fmax(fmax(fmax(-y, (y - 1.0)), (x - 0.1)), -x)), fmax(fmax(fmax(fmax(fmax((y - 0.55), (x - 0.55)), -x), (0.275 - y)), -y), -0.55));
}
def code(x, y): return fmin(fmin(fmin(fmin(fmax(fmax(fmax((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (math.hypot((x - 0.775), (y - 0.7)) - 0.075)), fmax(fmax(fmax(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), fmax(fmax(fmax(-y, (y - 1.0)), (x - 0.1)), -x)), fmax(fmax(fmax(fmax(fmax((y - 0.55), (x - 0.55)), -x), (0.275 - y)), -y), -0.55))
function code(x, y) return fmin(fmin(fmin(fmin(fmax(fmax(fmax(Float64(y - 0.55), Float64(-y)), Float64(x - 0.825)), Float64(0.725 - x)), Float64(hypot(Float64(x - 0.775), Float64(y - 0.7)) - 0.075)), fmax(fmax(fmax(Float64(-y), Float64(y - 0.275)), Float64(x - 0.55)), Float64(0.45 - x))), fmax(fmax(fmax(Float64(-y), Float64(y - 1.0)), Float64(x - 0.1)), Float64(-x))), fmax(fmax(fmax(fmax(fmax(Float64(y - 0.55), Float64(x - 0.55)), Float64(-x)), Float64(0.275 - y)), Float64(-y)), -0.55)) end
function tmp = code(x, y) tmp = min(min(min(min(max(max(max((y - 0.55), -y), (x - 0.825)), (0.725 - x)), (hypot((x - 0.775), (y - 0.7)) - 0.075)), max(max(max(-y, (y - 0.275)), (x - 0.55)), (0.45 - x))), max(max(max(-y, (y - 1.0)), (x - 0.1)), -x)), max(max(max(max(max((y - 0.55), (x - 0.55)), -x), (0.275 - y)), -y), -0.55)); end
code[x_, y_] := N[Min[N[Min[N[Min[N[Min[N[Max[N[Max[N[Max[N[(y - 0.55), $MachinePrecision], (-y)], $MachinePrecision], N[(x - 0.825), $MachinePrecision]], $MachinePrecision], N[(0.725 - x), $MachinePrecision]], $MachinePrecision], N[(N[Sqrt[N[(x - 0.775), $MachinePrecision] ^ 2 + N[(y - 0.7), $MachinePrecision] ^ 2], $MachinePrecision] - 0.075), $MachinePrecision]], $MachinePrecision], N[Max[N[Max[N[Max[(-y), N[(y - 0.275), $MachinePrecision]], $MachinePrecision], N[(x - 0.55), $MachinePrecision]], $MachinePrecision], N[(0.45 - x), $MachinePrecision]], $MachinePrecision]], $MachinePrecision], N[Max[N[Max[N[Max[(-y), N[(y - 1.0), $MachinePrecision]], $MachinePrecision], N[(x - 0.1), $MachinePrecision]], $MachinePrecision], (-x)], $MachinePrecision]], $MachinePrecision], N[Max[N[Max[N[Max[N[Max[N[Max[N[(y - 0.55), $MachinePrecision], N[(x - 0.55), $MachinePrecision]], $MachinePrecision], (-x)], $MachinePrecision], N[(0.275 - y), $MachinePrecision]], $MachinePrecision], (-y)], $MachinePrecision], -0.55], $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\mathsf{min}\left(\mathsf{min}\left(\mathsf{min}\left(\mathsf{min}\left(\mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(y - 0.55, -y\right), x - 0.825\right), 0.725 - x\right), \mathsf{hypot}\left(x - 0.775, y - 0.7\right) - 0.075\right), \mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(-y, y - 0.275\right), x - 0.55\right), 0.45 - x\right)\right), \mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(-y, y - 1\right), x - 0.1\right), -x\right)\right), \mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(\mathsf{max}\left(y - 0.55, x - 0.55\right), -x\right), 0.275 - y\right), -y\right), -0.55\right)\right)
\end{array}
Initial program 100.0%
Applied rewrites100.0%
Taylor expanded in y around inf
mul-1-negN/A
lower-neg.f64100.0
Applied rewrites100.0%
Taylor expanded in y around inf
*-commutativeN/A
lower-*.f64N/A
lower--.f64N/A
associate-*r/N/A
metadata-evalN/A
lower-/.f64100.0
Applied rewrites100.0%
Taylor expanded in y around 0
Applied rewrites100.0%
herbie shell --seed 2025010
(FPCore (x y)
:name "The letters hi in the upper-right quadrant"
:precision binary64
(fmin (fmin (fmin (fmin (fmax (fmax (fmax (- y 0.55) (- y)) (- x 0.825)) (- 0.725 x)) (- (sqrt (+ (pow (- y 0.7) 2.0) (pow (- x 0.775) 2.0))) 0.075)) (fmax (fmax (fmax (- y) (- y 0.275)) (- x 0.55)) (- 0.45 x))) (fmax (fmax (fmax (- y) (- y 1.0)) (- x 0.1)) (- x))) (fmax (fmax (fmax (fmax (fmax (- y 0.55) (- x 0.55)) (- x)) (- 0.275 y)) (- 0.175 (sqrt (+ (pow (- y 0.275) 2.0) (pow (- x 0.275) 2.0))))) (- (sqrt (+ (pow (- y 0.275) 2.0) (pow (- x 0.275) 2.0))) 0.275))))