
(FPCore (x y z)
:precision binary64
(+
x
(/
(*
y
(+
(* (+ (* z 0.0692910599291889) 0.4917317610505968) z)
0.279195317918525))
(+ (* (+ z 6.012459259764103) z) 3.350343815022304))))
double code(double x, double y, double z) {
return x + ((y * ((((z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) / (((z + 6.012459259764103) * z) + 3.350343815022304));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x + ((y * ((((z * 0.0692910599291889d0) + 0.4917317610505968d0) * z) + 0.279195317918525d0)) / (((z + 6.012459259764103d0) * z) + 3.350343815022304d0))
end function
public static double code(double x, double y, double z) {
return x + ((y * ((((z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) / (((z + 6.012459259764103) * z) + 3.350343815022304));
}
def code(x, y, z): return x + ((y * ((((z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) / (((z + 6.012459259764103) * z) + 3.350343815022304))
function code(x, y, z) return Float64(x + Float64(Float64(y * Float64(Float64(Float64(Float64(z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) / Float64(Float64(Float64(z + 6.012459259764103) * z) + 3.350343815022304))) end
function tmp = code(x, y, z) tmp = x + ((y * ((((z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) / (((z + 6.012459259764103) * z) + 3.350343815022304)); end
code[x_, y_, z_] := N[(x + N[(N[(y * N[(N[(N[(N[(z * 0.0692910599291889), $MachinePrecision] + 0.4917317610505968), $MachinePrecision] * z), $MachinePrecision] + 0.279195317918525), $MachinePrecision]), $MachinePrecision] / N[(N[(N[(z + 6.012459259764103), $MachinePrecision] * z), $MachinePrecision] + 3.350343815022304), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y \cdot \left(\left(z \cdot 0.0692910599291889 + 0.4917317610505968\right) \cdot z + 0.279195317918525\right)}{\left(z + 6.012459259764103\right) \cdot z + 3.350343815022304}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 9 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z)
:precision binary64
(+
x
(/
(*
y
(+
(* (+ (* z 0.0692910599291889) 0.4917317610505968) z)
0.279195317918525))
(+ (* (+ z 6.012459259764103) z) 3.350343815022304))))
double code(double x, double y, double z) {
return x + ((y * ((((z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) / (((z + 6.012459259764103) * z) + 3.350343815022304));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x + ((y * ((((z * 0.0692910599291889d0) + 0.4917317610505968d0) * z) + 0.279195317918525d0)) / (((z + 6.012459259764103d0) * z) + 3.350343815022304d0))
end function
public static double code(double x, double y, double z) {
return x + ((y * ((((z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) / (((z + 6.012459259764103) * z) + 3.350343815022304));
}
def code(x, y, z): return x + ((y * ((((z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) / (((z + 6.012459259764103) * z) + 3.350343815022304))
function code(x, y, z) return Float64(x + Float64(Float64(y * Float64(Float64(Float64(Float64(z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) / Float64(Float64(Float64(z + 6.012459259764103) * z) + 3.350343815022304))) end
function tmp = code(x, y, z) tmp = x + ((y * ((((z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) / (((z + 6.012459259764103) * z) + 3.350343815022304)); end
code[x_, y_, z_] := N[(x + N[(N[(y * N[(N[(N[(N[(z * 0.0692910599291889), $MachinePrecision] + 0.4917317610505968), $MachinePrecision] * z), $MachinePrecision] + 0.279195317918525), $MachinePrecision]), $MachinePrecision] / N[(N[(N[(z + 6.012459259764103), $MachinePrecision] * z), $MachinePrecision] + 3.350343815022304), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y \cdot \left(\left(z \cdot 0.0692910599291889 + 0.4917317610505968\right) \cdot z + 0.279195317918525\right)}{\left(z + 6.012459259764103\right) \cdot z + 3.350343815022304}
\end{array}
(FPCore (x y z)
:precision binary64
(if (<=
(+
x
(/
(*
y
(+
(* z (+ (* z 0.0692910599291889) 0.4917317610505968))
0.279195317918525))
(+ (* z (+ z 6.012459259764103)) 3.350343815022304)))
2e+299)
(/
1.0
(/
1.0
(fma
y
(/
(fma z (fma z 0.0692910599291889 0.4917317610505968) 0.279195317918525)
(fma z (+ z 6.012459259764103) 3.350343815022304))
x)))
(fma y 0.0692910599291889 x)))
double code(double x, double y, double z) {
double tmp;
if ((x + ((y * ((z * ((z * 0.0692910599291889) + 0.4917317610505968)) + 0.279195317918525)) / ((z * (z + 6.012459259764103)) + 3.350343815022304))) <= 2e+299) {
tmp = 1.0 / (1.0 / fma(y, (fma(z, fma(z, 0.0692910599291889, 0.4917317610505968), 0.279195317918525) / fma(z, (z + 6.012459259764103), 3.350343815022304)), x));
} else {
tmp = fma(y, 0.0692910599291889, x);
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if (Float64(x + Float64(Float64(y * Float64(Float64(z * Float64(Float64(z * 0.0692910599291889) + 0.4917317610505968)) + 0.279195317918525)) / Float64(Float64(z * Float64(z + 6.012459259764103)) + 3.350343815022304))) <= 2e+299) tmp = Float64(1.0 / Float64(1.0 / fma(y, Float64(fma(z, fma(z, 0.0692910599291889, 0.4917317610505968), 0.279195317918525) / fma(z, Float64(z + 6.012459259764103), 3.350343815022304)), x))); else tmp = fma(y, 0.0692910599291889, x); end return tmp end
code[x_, y_, z_] := If[LessEqual[N[(x + N[(N[(y * N[(N[(z * N[(N[(z * 0.0692910599291889), $MachinePrecision] + 0.4917317610505968), $MachinePrecision]), $MachinePrecision] + 0.279195317918525), $MachinePrecision]), $MachinePrecision] / N[(N[(z * N[(z + 6.012459259764103), $MachinePrecision]), $MachinePrecision] + 3.350343815022304), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2e+299], N[(1.0 / N[(1.0 / N[(y * N[(N[(z * N[(z * 0.0692910599291889 + 0.4917317610505968), $MachinePrecision] + 0.279195317918525), $MachinePrecision] / N[(z * N[(z + 6.012459259764103), $MachinePrecision] + 3.350343815022304), $MachinePrecision]), $MachinePrecision] + x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(y * 0.0692910599291889 + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x + \frac{y \cdot \left(z \cdot \left(z \cdot 0.0692910599291889 + 0.4917317610505968\right) + 0.279195317918525\right)}{z \cdot \left(z + 6.012459259764103\right) + 3.350343815022304} \leq 2 \cdot 10^{+299}:\\
\;\;\;\;\frac{1}{\frac{1}{\mathsf{fma}\left(y, \frac{\mathsf{fma}\left(z, \mathsf{fma}\left(z, 0.0692910599291889, 0.4917317610505968\right), 0.279195317918525\right)}{\mathsf{fma}\left(z, z + 6.012459259764103, 3.350343815022304\right)}, x\right)}}\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(y, 0.0692910599291889, x\right)\\
\end{array}
\end{array}
if (+.f64 x (/.f64 (*.f64 y (+.f64 (*.f64 (+.f64 (*.f64 z #s(literal 692910599291889/10000000000000000 binary64)) #s(literal 307332350656623/625000000000000 binary64)) z) #s(literal 11167812716741/40000000000000 binary64))) (+.f64 (*.f64 (+.f64 z #s(literal 6012459259764103/1000000000000000 binary64)) z) #s(literal 104698244219447/31250000000000 binary64)))) < 2.0000000000000001e299Initial program 94.4%
flip3-+N/A
clear-numN/A
/-lowering-/.f64N/A
Applied egg-rr99.6%
if 2.0000000000000001e299 < (+.f64 x (/.f64 (*.f64 y (+.f64 (*.f64 (+.f64 (*.f64 z #s(literal 692910599291889/10000000000000000 binary64)) #s(literal 307332350656623/625000000000000 binary64)) z) #s(literal 11167812716741/40000000000000 binary64))) (+.f64 (*.f64 (+.f64 z #s(literal 6012459259764103/1000000000000000 binary64)) z) #s(literal 104698244219447/31250000000000 binary64)))) Initial program 6.1%
Taylor expanded in z around inf
+-commutativeN/A
*-commutativeN/A
accelerator-lowering-fma.f6499.6
Simplified99.6%
Final simplification99.6%
(FPCore (x y z)
:precision binary64
(let* ((t_0
(/
(*
y
(+
(* z (+ (* z 0.0692910599291889) 0.4917317610505968))
0.279195317918525))
(+ (* z (+ z 6.012459259764103)) 3.350343815022304))))
(if (<= t_0 (- INFINITY))
(* y 0.0692910599291889)
(if (<= t_0 -500000.0)
(* y 0.08333333333333323)
(if (<= t_0 2e+65)
x
(if (<= t_0 2e+299)
(* y 0.08333333333333323)
(* y 0.0692910599291889)))))))
double code(double x, double y, double z) {
double t_0 = (y * ((z * ((z * 0.0692910599291889) + 0.4917317610505968)) + 0.279195317918525)) / ((z * (z + 6.012459259764103)) + 3.350343815022304);
double tmp;
if (t_0 <= -((double) INFINITY)) {
tmp = y * 0.0692910599291889;
} else if (t_0 <= -500000.0) {
tmp = y * 0.08333333333333323;
} else if (t_0 <= 2e+65) {
tmp = x;
} else if (t_0 <= 2e+299) {
tmp = y * 0.08333333333333323;
} else {
tmp = y * 0.0692910599291889;
}
return tmp;
}
public static double code(double x, double y, double z) {
double t_0 = (y * ((z * ((z * 0.0692910599291889) + 0.4917317610505968)) + 0.279195317918525)) / ((z * (z + 6.012459259764103)) + 3.350343815022304);
double tmp;
if (t_0 <= -Double.POSITIVE_INFINITY) {
tmp = y * 0.0692910599291889;
} else if (t_0 <= -500000.0) {
tmp = y * 0.08333333333333323;
} else if (t_0 <= 2e+65) {
tmp = x;
} else if (t_0 <= 2e+299) {
tmp = y * 0.08333333333333323;
} else {
tmp = y * 0.0692910599291889;
}
return tmp;
}
def code(x, y, z): t_0 = (y * ((z * ((z * 0.0692910599291889) + 0.4917317610505968)) + 0.279195317918525)) / ((z * (z + 6.012459259764103)) + 3.350343815022304) tmp = 0 if t_0 <= -math.inf: tmp = y * 0.0692910599291889 elif t_0 <= -500000.0: tmp = y * 0.08333333333333323 elif t_0 <= 2e+65: tmp = x elif t_0 <= 2e+299: tmp = y * 0.08333333333333323 else: tmp = y * 0.0692910599291889 return tmp
function code(x, y, z) t_0 = Float64(Float64(y * Float64(Float64(z * Float64(Float64(z * 0.0692910599291889) + 0.4917317610505968)) + 0.279195317918525)) / Float64(Float64(z * Float64(z + 6.012459259764103)) + 3.350343815022304)) tmp = 0.0 if (t_0 <= Float64(-Inf)) tmp = Float64(y * 0.0692910599291889); elseif (t_0 <= -500000.0) tmp = Float64(y * 0.08333333333333323); elseif (t_0 <= 2e+65) tmp = x; elseif (t_0 <= 2e+299) tmp = Float64(y * 0.08333333333333323); else tmp = Float64(y * 0.0692910599291889); end return tmp end
function tmp_2 = code(x, y, z) t_0 = (y * ((z * ((z * 0.0692910599291889) + 0.4917317610505968)) + 0.279195317918525)) / ((z * (z + 6.012459259764103)) + 3.350343815022304); tmp = 0.0; if (t_0 <= -Inf) tmp = y * 0.0692910599291889; elseif (t_0 <= -500000.0) tmp = y * 0.08333333333333323; elseif (t_0 <= 2e+65) tmp = x; elseif (t_0 <= 2e+299) tmp = y * 0.08333333333333323; else tmp = y * 0.0692910599291889; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(y * N[(N[(z * N[(N[(z * 0.0692910599291889), $MachinePrecision] + 0.4917317610505968), $MachinePrecision]), $MachinePrecision] + 0.279195317918525), $MachinePrecision]), $MachinePrecision] / N[(N[(z * N[(z + 6.012459259764103), $MachinePrecision]), $MachinePrecision] + 3.350343815022304), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$0, (-Infinity)], N[(y * 0.0692910599291889), $MachinePrecision], If[LessEqual[t$95$0, -500000.0], N[(y * 0.08333333333333323), $MachinePrecision], If[LessEqual[t$95$0, 2e+65], x, If[LessEqual[t$95$0, 2e+299], N[(y * 0.08333333333333323), $MachinePrecision], N[(y * 0.0692910599291889), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{y \cdot \left(z \cdot \left(z \cdot 0.0692910599291889 + 0.4917317610505968\right) + 0.279195317918525\right)}{z \cdot \left(z + 6.012459259764103\right) + 3.350343815022304}\\
\mathbf{if}\;t\_0 \leq -\infty:\\
\;\;\;\;y \cdot 0.0692910599291889\\
\mathbf{elif}\;t\_0 \leq -500000:\\
\;\;\;\;y \cdot 0.08333333333333323\\
\mathbf{elif}\;t\_0 \leq 2 \cdot 10^{+65}:\\
\;\;\;\;x\\
\mathbf{elif}\;t\_0 \leq 2 \cdot 10^{+299}:\\
\;\;\;\;y \cdot 0.08333333333333323\\
\mathbf{else}:\\
\;\;\;\;y \cdot 0.0692910599291889\\
\end{array}
\end{array}
if (/.f64 (*.f64 y (+.f64 (*.f64 (+.f64 (*.f64 z #s(literal 692910599291889/10000000000000000 binary64)) #s(literal 307332350656623/625000000000000 binary64)) z) #s(literal 11167812716741/40000000000000 binary64))) (+.f64 (*.f64 (+.f64 z #s(literal 6012459259764103/1000000000000000 binary64)) z) #s(literal 104698244219447/31250000000000 binary64))) < -inf.0 or 2.0000000000000001e299 < (/.f64 (*.f64 y (+.f64 (*.f64 (+.f64 (*.f64 z #s(literal 692910599291889/10000000000000000 binary64)) #s(literal 307332350656623/625000000000000 binary64)) z) #s(literal 11167812716741/40000000000000 binary64))) (+.f64 (*.f64 (+.f64 z #s(literal 6012459259764103/1000000000000000 binary64)) z) #s(literal 104698244219447/31250000000000 binary64))) Initial program 1.7%
Taylor expanded in z around inf
+-commutativeN/A
*-commutativeN/A
accelerator-lowering-fma.f6499.6
Simplified99.6%
Taylor expanded in y around inf
*-lowering-*.f6466.1
Simplified66.1%
if -inf.0 < (/.f64 (*.f64 y (+.f64 (*.f64 (+.f64 (*.f64 z #s(literal 692910599291889/10000000000000000 binary64)) #s(literal 307332350656623/625000000000000 binary64)) z) #s(literal 11167812716741/40000000000000 binary64))) (+.f64 (*.f64 (+.f64 z #s(literal 6012459259764103/1000000000000000 binary64)) z) #s(literal 104698244219447/31250000000000 binary64))) < -5e5 or 2e65 < (/.f64 (*.f64 y (+.f64 (*.f64 (+.f64 (*.f64 z #s(literal 692910599291889/10000000000000000 binary64)) #s(literal 307332350656623/625000000000000 binary64)) z) #s(literal 11167812716741/40000000000000 binary64))) (+.f64 (*.f64 (+.f64 z #s(literal 6012459259764103/1000000000000000 binary64)) z) #s(literal 104698244219447/31250000000000 binary64))) < 2.0000000000000001e299Initial program 99.5%
Taylor expanded in x around 0
/-lowering-/.f64N/A
*-lowering-*.f64N/A
+-commutativeN/A
accelerator-lowering-fma.f64N/A
+-commutativeN/A
*-commutativeN/A
accelerator-lowering-fma.f64N/A
+-commutativeN/A
accelerator-lowering-fma.f64N/A
+-commutativeN/A
+-lowering-+.f6474.0
Simplified74.0%
Taylor expanded in z around 0
*-commutativeN/A
*-lowering-*.f6464.6
Simplified64.6%
if -5e5 < (/.f64 (*.f64 y (+.f64 (*.f64 (+.f64 (*.f64 z #s(literal 692910599291889/10000000000000000 binary64)) #s(literal 307332350656623/625000000000000 binary64)) z) #s(literal 11167812716741/40000000000000 binary64))) (+.f64 (*.f64 (+.f64 z #s(literal 6012459259764103/1000000000000000 binary64)) z) #s(literal 104698244219447/31250000000000 binary64))) < 2e65Initial program 99.9%
Taylor expanded in x around inf
Simplified77.9%
Final simplification70.7%
(FPCore (x y z)
:precision binary64
(let* ((t_0
(/
(*
y
(+
(* z (+ (* z 0.0692910599291889) 0.4917317610505968))
0.279195317918525))
(+ (* z (+ z 6.012459259764103)) 3.350343815022304))))
(if (<= t_0 (- INFINITY))
(* y 0.0692910599291889)
(if (<= t_0 -5e+175)
(* y 0.08333333333333323)
(fma y 0.0692910599291889 x)))))
double code(double x, double y, double z) {
double t_0 = (y * ((z * ((z * 0.0692910599291889) + 0.4917317610505968)) + 0.279195317918525)) / ((z * (z + 6.012459259764103)) + 3.350343815022304);
double tmp;
if (t_0 <= -((double) INFINITY)) {
tmp = y * 0.0692910599291889;
} else if (t_0 <= -5e+175) {
tmp = y * 0.08333333333333323;
} else {
tmp = fma(y, 0.0692910599291889, x);
}
return tmp;
}
function code(x, y, z) t_0 = Float64(Float64(y * Float64(Float64(z * Float64(Float64(z * 0.0692910599291889) + 0.4917317610505968)) + 0.279195317918525)) / Float64(Float64(z * Float64(z + 6.012459259764103)) + 3.350343815022304)) tmp = 0.0 if (t_0 <= Float64(-Inf)) tmp = Float64(y * 0.0692910599291889); elseif (t_0 <= -5e+175) tmp = Float64(y * 0.08333333333333323); else tmp = fma(y, 0.0692910599291889, x); end return tmp end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(y * N[(N[(z * N[(N[(z * 0.0692910599291889), $MachinePrecision] + 0.4917317610505968), $MachinePrecision]), $MachinePrecision] + 0.279195317918525), $MachinePrecision]), $MachinePrecision] / N[(N[(z * N[(z + 6.012459259764103), $MachinePrecision]), $MachinePrecision] + 3.350343815022304), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$0, (-Infinity)], N[(y * 0.0692910599291889), $MachinePrecision], If[LessEqual[t$95$0, -5e+175], N[(y * 0.08333333333333323), $MachinePrecision], N[(y * 0.0692910599291889 + x), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{y \cdot \left(z \cdot \left(z \cdot 0.0692910599291889 + 0.4917317610505968\right) + 0.279195317918525\right)}{z \cdot \left(z + 6.012459259764103\right) + 3.350343815022304}\\
\mathbf{if}\;t\_0 \leq -\infty:\\
\;\;\;\;y \cdot 0.0692910599291889\\
\mathbf{elif}\;t\_0 \leq -5 \cdot 10^{+175}:\\
\;\;\;\;y \cdot 0.08333333333333323\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(y, 0.0692910599291889, x\right)\\
\end{array}
\end{array}
if (/.f64 (*.f64 y (+.f64 (*.f64 (+.f64 (*.f64 z #s(literal 692910599291889/10000000000000000 binary64)) #s(literal 307332350656623/625000000000000 binary64)) z) #s(literal 11167812716741/40000000000000 binary64))) (+.f64 (*.f64 (+.f64 z #s(literal 6012459259764103/1000000000000000 binary64)) z) #s(literal 104698244219447/31250000000000 binary64))) < -inf.0Initial program 6.1%
Taylor expanded in z around inf
+-commutativeN/A
*-commutativeN/A
accelerator-lowering-fma.f6499.2
Simplified99.2%
Taylor expanded in y around inf
*-lowering-*.f6499.2
Simplified99.2%
if -inf.0 < (/.f64 (*.f64 y (+.f64 (*.f64 (+.f64 (*.f64 z #s(literal 692910599291889/10000000000000000 binary64)) #s(literal 307332350656623/625000000000000 binary64)) z) #s(literal 11167812716741/40000000000000 binary64))) (+.f64 (*.f64 (+.f64 z #s(literal 6012459259764103/1000000000000000 binary64)) z) #s(literal 104698244219447/31250000000000 binary64))) < -5e175Initial program 99.7%
Taylor expanded in x around 0
/-lowering-/.f64N/A
*-lowering-*.f64N/A
+-commutativeN/A
accelerator-lowering-fma.f64N/A
+-commutativeN/A
*-commutativeN/A
accelerator-lowering-fma.f64N/A
+-commutativeN/A
accelerator-lowering-fma.f64N/A
+-commutativeN/A
+-lowering-+.f6494.4
Simplified94.4%
Taylor expanded in z around 0
*-commutativeN/A
*-lowering-*.f6486.4
Simplified86.4%
if -5e175 < (/.f64 (*.f64 y (+.f64 (*.f64 (+.f64 (*.f64 z #s(literal 692910599291889/10000000000000000 binary64)) #s(literal 307332350656623/625000000000000 binary64)) z) #s(literal 11167812716741/40000000000000 binary64))) (+.f64 (*.f64 (+.f64 z #s(literal 6012459259764103/1000000000000000 binary64)) z) #s(literal 104698244219447/31250000000000 binary64))) Initial program 67.1%
Taylor expanded in z around inf
+-commutativeN/A
*-commutativeN/A
accelerator-lowering-fma.f6485.9
Simplified85.9%
Final simplification86.4%
(FPCore (x y z)
:precision binary64
(if (<=
(+
x
(/
(*
y
(+
(* z (+ (* z 0.0692910599291889) 0.4917317610505968))
0.279195317918525))
(+ (* z (+ z 6.012459259764103)) 3.350343815022304)))
INFINITY)
(fma
(fma z (fma z 0.0692910599291889 0.4917317610505968) 0.279195317918525)
(/ y (fma z (+ z 6.012459259764103) 3.350343815022304))
x)
(fma y 0.0692910599291889 x)))
double code(double x, double y, double z) {
double tmp;
if ((x + ((y * ((z * ((z * 0.0692910599291889) + 0.4917317610505968)) + 0.279195317918525)) / ((z * (z + 6.012459259764103)) + 3.350343815022304))) <= ((double) INFINITY)) {
tmp = fma(fma(z, fma(z, 0.0692910599291889, 0.4917317610505968), 0.279195317918525), (y / fma(z, (z + 6.012459259764103), 3.350343815022304)), x);
} else {
tmp = fma(y, 0.0692910599291889, x);
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if (Float64(x + Float64(Float64(y * Float64(Float64(z * Float64(Float64(z * 0.0692910599291889) + 0.4917317610505968)) + 0.279195317918525)) / Float64(Float64(z * Float64(z + 6.012459259764103)) + 3.350343815022304))) <= Inf) tmp = fma(fma(z, fma(z, 0.0692910599291889, 0.4917317610505968), 0.279195317918525), Float64(y / fma(z, Float64(z + 6.012459259764103), 3.350343815022304)), x); else tmp = fma(y, 0.0692910599291889, x); end return tmp end
code[x_, y_, z_] := If[LessEqual[N[(x + N[(N[(y * N[(N[(z * N[(N[(z * 0.0692910599291889), $MachinePrecision] + 0.4917317610505968), $MachinePrecision]), $MachinePrecision] + 0.279195317918525), $MachinePrecision]), $MachinePrecision] / N[(N[(z * N[(z + 6.012459259764103), $MachinePrecision]), $MachinePrecision] + 3.350343815022304), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], Infinity], N[(N[(z * N[(z * 0.0692910599291889 + 0.4917317610505968), $MachinePrecision] + 0.279195317918525), $MachinePrecision] * N[(y / N[(z * N[(z + 6.012459259764103), $MachinePrecision] + 3.350343815022304), $MachinePrecision]), $MachinePrecision] + x), $MachinePrecision], N[(y * 0.0692910599291889 + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x + \frac{y \cdot \left(z \cdot \left(z \cdot 0.0692910599291889 + 0.4917317610505968\right) + 0.279195317918525\right)}{z \cdot \left(z + 6.012459259764103\right) + 3.350343815022304} \leq \infty:\\
\;\;\;\;\mathsf{fma}\left(\mathsf{fma}\left(z, \mathsf{fma}\left(z, 0.0692910599291889, 0.4917317610505968\right), 0.279195317918525\right), \frac{y}{\mathsf{fma}\left(z, z + 6.012459259764103, 3.350343815022304\right)}, x\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(y, 0.0692910599291889, x\right)\\
\end{array}
\end{array}
if (+.f64 x (/.f64 (*.f64 y (+.f64 (*.f64 (+.f64 (*.f64 z #s(literal 692910599291889/10000000000000000 binary64)) #s(literal 307332350656623/625000000000000 binary64)) z) #s(literal 11167812716741/40000000000000 binary64))) (+.f64 (*.f64 (+.f64 z #s(literal 6012459259764103/1000000000000000 binary64)) z) #s(literal 104698244219447/31250000000000 binary64)))) < +inf.0Initial program 89.6%
+-commutativeN/A
*-commutativeN/A
associate-/l*N/A
accelerator-lowering-fma.f64N/A
*-commutativeN/A
accelerator-lowering-fma.f64N/A
accelerator-lowering-fma.f64N/A
/-lowering-/.f64N/A
*-commutativeN/A
accelerator-lowering-fma.f64N/A
+-lowering-+.f6498.8
Applied egg-rr98.8%
if +inf.0 < (+.f64 x (/.f64 (*.f64 y (+.f64 (*.f64 (+.f64 (*.f64 z #s(literal 692910599291889/10000000000000000 binary64)) #s(literal 307332350656623/625000000000000 binary64)) z) #s(literal 11167812716741/40000000000000 binary64))) (+.f64 (*.f64 (+.f64 z #s(literal 6012459259764103/1000000000000000 binary64)) z) #s(literal 104698244219447/31250000000000 binary64)))) Initial program 0.0%
Taylor expanded in z around inf
+-commutativeN/A
*-commutativeN/A
accelerator-lowering-fma.f6499.7
Simplified99.7%
Final simplification99.0%
(FPCore (x y z)
:precision binary64
(if (<= z -4.7e+47)
(fma y 0.0692910599291889 x)
(if (<= z 5.0)
(fma y (fma z -0.00277777777751721 0.08333333333333323) x)
(fma y (- 0.0692910599291889 (/ -0.07512208616047561 z)) x))))
double code(double x, double y, double z) {
double tmp;
if (z <= -4.7e+47) {
tmp = fma(y, 0.0692910599291889, x);
} else if (z <= 5.0) {
tmp = fma(y, fma(z, -0.00277777777751721, 0.08333333333333323), x);
} else {
tmp = fma(y, (0.0692910599291889 - (-0.07512208616047561 / z)), x);
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if (z <= -4.7e+47) tmp = fma(y, 0.0692910599291889, x); elseif (z <= 5.0) tmp = fma(y, fma(z, -0.00277777777751721, 0.08333333333333323), x); else tmp = fma(y, Float64(0.0692910599291889 - Float64(-0.07512208616047561 / z)), x); end return tmp end
code[x_, y_, z_] := If[LessEqual[z, -4.7e+47], N[(y * 0.0692910599291889 + x), $MachinePrecision], If[LessEqual[z, 5.0], N[(y * N[(z * -0.00277777777751721 + 0.08333333333333323), $MachinePrecision] + x), $MachinePrecision], N[(y * N[(0.0692910599291889 - N[(-0.07512208616047561 / z), $MachinePrecision]), $MachinePrecision] + x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -4.7 \cdot 10^{+47}:\\
\;\;\;\;\mathsf{fma}\left(y, 0.0692910599291889, x\right)\\
\mathbf{elif}\;z \leq 5:\\
\;\;\;\;\mathsf{fma}\left(y, \mathsf{fma}\left(z, -0.00277777777751721, 0.08333333333333323\right), x\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(y, 0.0692910599291889 - \frac{-0.07512208616047561}{z}, x\right)\\
\end{array}
\end{array}
if z < -4.69999999999999964e47Initial program 31.9%
Taylor expanded in z around inf
+-commutativeN/A
*-commutativeN/A
accelerator-lowering-fma.f6499.6
Simplified99.6%
if -4.69999999999999964e47 < z < 5Initial program 99.8%
Taylor expanded in z around 0
+-commutativeN/A
+-commutativeN/A
*-commutativeN/A
distribute-rgt-out--N/A
associate-*l*N/A
*-commutativeN/A
distribute-lft-outN/A
accelerator-lowering-fma.f64N/A
*-commutativeN/A
accelerator-lowering-fma.f64N/A
metadata-eval99.9
Simplified99.9%
if 5 < z Initial program 35.2%
Taylor expanded in z around inf
associate-+r+N/A
associate--l+N/A
distribute-rgt-out--N/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
times-fracN/A
distribute-rgt-out--N/A
*-commutativeN/A
mul-1-negN/A
distribute-neg-frac2N/A
mul-1-negN/A
associate-+r+N/A
+-commutativeN/A
+-commutativeN/A
Simplified98.5%
(FPCore (x y z)
:precision binary64
(if (<= z -4.7e+47)
(fma y 0.0692910599291889 x)
(if (<= z 5.2)
(fma y (fma z -0.00277777777751721 0.08333333333333323) x)
(fma y 0.0692910599291889 x))))
double code(double x, double y, double z) {
double tmp;
if (z <= -4.7e+47) {
tmp = fma(y, 0.0692910599291889, x);
} else if (z <= 5.2) {
tmp = fma(y, fma(z, -0.00277777777751721, 0.08333333333333323), x);
} else {
tmp = fma(y, 0.0692910599291889, x);
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if (z <= -4.7e+47) tmp = fma(y, 0.0692910599291889, x); elseif (z <= 5.2) tmp = fma(y, fma(z, -0.00277777777751721, 0.08333333333333323), x); else tmp = fma(y, 0.0692910599291889, x); end return tmp end
code[x_, y_, z_] := If[LessEqual[z, -4.7e+47], N[(y * 0.0692910599291889 + x), $MachinePrecision], If[LessEqual[z, 5.2], N[(y * N[(z * -0.00277777777751721 + 0.08333333333333323), $MachinePrecision] + x), $MachinePrecision], N[(y * 0.0692910599291889 + x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -4.7 \cdot 10^{+47}:\\
\;\;\;\;\mathsf{fma}\left(y, 0.0692910599291889, x\right)\\
\mathbf{elif}\;z \leq 5.2:\\
\;\;\;\;\mathsf{fma}\left(y, \mathsf{fma}\left(z, -0.00277777777751721, 0.08333333333333323\right), x\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(y, 0.0692910599291889, x\right)\\
\end{array}
\end{array}
if z < -4.69999999999999964e47 or 5.20000000000000018 < z Initial program 33.5%
Taylor expanded in z around inf
+-commutativeN/A
*-commutativeN/A
accelerator-lowering-fma.f6498.8
Simplified98.8%
if -4.69999999999999964e47 < z < 5.20000000000000018Initial program 99.8%
Taylor expanded in z around 0
+-commutativeN/A
+-commutativeN/A
*-commutativeN/A
distribute-rgt-out--N/A
associate-*l*N/A
*-commutativeN/A
distribute-lft-outN/A
accelerator-lowering-fma.f64N/A
*-commutativeN/A
accelerator-lowering-fma.f64N/A
metadata-eval99.9
Simplified99.9%
(FPCore (x y z) :precision binary64 (if (<= z -4.7e+47) (fma y 0.0692910599291889 x) (if (<= z 5.5) (fma y 0.08333333333333323 x) (fma y 0.0692910599291889 x))))
double code(double x, double y, double z) {
double tmp;
if (z <= -4.7e+47) {
tmp = fma(y, 0.0692910599291889, x);
} else if (z <= 5.5) {
tmp = fma(y, 0.08333333333333323, x);
} else {
tmp = fma(y, 0.0692910599291889, x);
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if (z <= -4.7e+47) tmp = fma(y, 0.0692910599291889, x); elseif (z <= 5.5) tmp = fma(y, 0.08333333333333323, x); else tmp = fma(y, 0.0692910599291889, x); end return tmp end
code[x_, y_, z_] := If[LessEqual[z, -4.7e+47], N[(y * 0.0692910599291889 + x), $MachinePrecision], If[LessEqual[z, 5.5], N[(y * 0.08333333333333323 + x), $MachinePrecision], N[(y * 0.0692910599291889 + x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -4.7 \cdot 10^{+47}:\\
\;\;\;\;\mathsf{fma}\left(y, 0.0692910599291889, x\right)\\
\mathbf{elif}\;z \leq 5.5:\\
\;\;\;\;\mathsf{fma}\left(y, 0.08333333333333323, x\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(y, 0.0692910599291889, x\right)\\
\end{array}
\end{array}
if z < -4.69999999999999964e47 or 5.5 < z Initial program 33.5%
Taylor expanded in z around inf
+-commutativeN/A
*-commutativeN/A
accelerator-lowering-fma.f6498.8
Simplified98.8%
if -4.69999999999999964e47 < z < 5.5Initial program 99.8%
Taylor expanded in z around 0
+-commutativeN/A
*-commutativeN/A
accelerator-lowering-fma.f6499.1
Simplified99.1%
(FPCore (x y z) :precision binary64 (if (<= y -3e+140) (* y 0.0692910599291889) (if (<= y 7.4e+111) x (* y 0.0692910599291889))))
double code(double x, double y, double z) {
double tmp;
if (y <= -3e+140) {
tmp = y * 0.0692910599291889;
} else if (y <= 7.4e+111) {
tmp = x;
} else {
tmp = y * 0.0692910599291889;
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if (y <= (-3d+140)) then
tmp = y * 0.0692910599291889d0
else if (y <= 7.4d+111) then
tmp = x
else
tmp = y * 0.0692910599291889d0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (y <= -3e+140) {
tmp = y * 0.0692910599291889;
} else if (y <= 7.4e+111) {
tmp = x;
} else {
tmp = y * 0.0692910599291889;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -3e+140: tmp = y * 0.0692910599291889 elif y <= 7.4e+111: tmp = x else: tmp = y * 0.0692910599291889 return tmp
function code(x, y, z) tmp = 0.0 if (y <= -3e+140) tmp = Float64(y * 0.0692910599291889); elseif (y <= 7.4e+111) tmp = x; else tmp = Float64(y * 0.0692910599291889); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -3e+140) tmp = y * 0.0692910599291889; elseif (y <= 7.4e+111) tmp = x; else tmp = y * 0.0692910599291889; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -3e+140], N[(y * 0.0692910599291889), $MachinePrecision], If[LessEqual[y, 7.4e+111], x, N[(y * 0.0692910599291889), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3 \cdot 10^{+140}:\\
\;\;\;\;y \cdot 0.0692910599291889\\
\mathbf{elif}\;y \leq 7.4 \cdot 10^{+111}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y \cdot 0.0692910599291889\\
\end{array}
\end{array}
if y < -2.99999999999999997e140 or 7.4000000000000005e111 < y Initial program 51.4%
Taylor expanded in z around inf
+-commutativeN/A
*-commutativeN/A
accelerator-lowering-fma.f6471.3
Simplified71.3%
Taylor expanded in y around inf
*-lowering-*.f6459.3
Simplified59.3%
if -2.99999999999999997e140 < y < 7.4000000000000005e111Initial program 74.4%
Taylor expanded in x around inf
Simplified67.7%
Final simplification65.1%
(FPCore (x y z) :precision binary64 x)
double code(double x, double y, double z) {
return x;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x
end function
public static double code(double x, double y, double z) {
return x;
}
def code(x, y, z): return x
function code(x, y, z) return x end
function tmp = code(x, y, z) tmp = x; end
code[x_, y_, z_] := x
\begin{array}{l}
\\
x
\end{array}
Initial program 67.2%
Taylor expanded in x around inf
Simplified50.7%
(FPCore (x y z)
:precision binary64
(let* ((t_0
(-
(* (+ (/ 0.07512208616047561 z) 0.0692910599291889) y)
(- (/ (* 0.40462203869992125 y) (* z z)) x))))
(if (< z -8120153.652456675)
t_0
(if (< z 6.576118972787377e+20)
(+
x
(*
(*
y
(+
(* (+ (* z 0.0692910599291889) 0.4917317610505968) z)
0.279195317918525))
(/ 1.0 (+ (* (+ z 6.012459259764103) z) 3.350343815022304))))
t_0))))
double code(double x, double y, double z) {
double t_0 = (((0.07512208616047561 / z) + 0.0692910599291889) * y) - (((0.40462203869992125 * y) / (z * z)) - x);
double tmp;
if (z < -8120153.652456675) {
tmp = t_0;
} else if (z < 6.576118972787377e+20) {
tmp = x + ((y * ((((z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) * (1.0 / (((z + 6.012459259764103) * z) + 3.350343815022304)));
} else {
tmp = t_0;
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: t_0
real(8) :: tmp
t_0 = (((0.07512208616047561d0 / z) + 0.0692910599291889d0) * y) - (((0.40462203869992125d0 * y) / (z * z)) - x)
if (z < (-8120153.652456675d0)) then
tmp = t_0
else if (z < 6.576118972787377d+20) then
tmp = x + ((y * ((((z * 0.0692910599291889d0) + 0.4917317610505968d0) * z) + 0.279195317918525d0)) * (1.0d0 / (((z + 6.012459259764103d0) * z) + 3.350343815022304d0)))
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = (((0.07512208616047561 / z) + 0.0692910599291889) * y) - (((0.40462203869992125 * y) / (z * z)) - x);
double tmp;
if (z < -8120153.652456675) {
tmp = t_0;
} else if (z < 6.576118972787377e+20) {
tmp = x + ((y * ((((z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) * (1.0 / (((z + 6.012459259764103) * z) + 3.350343815022304)));
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = (((0.07512208616047561 / z) + 0.0692910599291889) * y) - (((0.40462203869992125 * y) / (z * z)) - x) tmp = 0 if z < -8120153.652456675: tmp = t_0 elif z < 6.576118972787377e+20: tmp = x + ((y * ((((z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) * (1.0 / (((z + 6.012459259764103) * z) + 3.350343815022304))) else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(Float64(Float64(Float64(0.07512208616047561 / z) + 0.0692910599291889) * y) - Float64(Float64(Float64(0.40462203869992125 * y) / Float64(z * z)) - x)) tmp = 0.0 if (z < -8120153.652456675) tmp = t_0; elseif (z < 6.576118972787377e+20) tmp = Float64(x + Float64(Float64(y * Float64(Float64(Float64(Float64(z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) * Float64(1.0 / Float64(Float64(Float64(z + 6.012459259764103) * z) + 3.350343815022304)))); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = (((0.07512208616047561 / z) + 0.0692910599291889) * y) - (((0.40462203869992125 * y) / (z * z)) - x); tmp = 0.0; if (z < -8120153.652456675) tmp = t_0; elseif (z < 6.576118972787377e+20) tmp = x + ((y * ((((z * 0.0692910599291889) + 0.4917317610505968) * z) + 0.279195317918525)) * (1.0 / (((z + 6.012459259764103) * z) + 3.350343815022304))); else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(N[(N[(0.07512208616047561 / z), $MachinePrecision] + 0.0692910599291889), $MachinePrecision] * y), $MachinePrecision] - N[(N[(N[(0.40462203869992125 * y), $MachinePrecision] / N[(z * z), $MachinePrecision]), $MachinePrecision] - x), $MachinePrecision]), $MachinePrecision]}, If[Less[z, -8120153.652456675], t$95$0, If[Less[z, 6.576118972787377e+20], N[(x + N[(N[(y * N[(N[(N[(N[(z * 0.0692910599291889), $MachinePrecision] + 0.4917317610505968), $MachinePrecision] * z), $MachinePrecision] + 0.279195317918525), $MachinePrecision]), $MachinePrecision] * N[(1.0 / N[(N[(N[(z + 6.012459259764103), $MachinePrecision] * z), $MachinePrecision] + 3.350343815022304), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(\frac{0.07512208616047561}{z} + 0.0692910599291889\right) \cdot y - \left(\frac{0.40462203869992125 \cdot y}{z \cdot z} - x\right)\\
\mathbf{if}\;z < -8120153.652456675:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;z < 6.576118972787377 \cdot 10^{+20}:\\
\;\;\;\;x + \left(y \cdot \left(\left(z \cdot 0.0692910599291889 + 0.4917317610505968\right) \cdot z + 0.279195317918525\right)\right) \cdot \frac{1}{\left(z + 6.012459259764103\right) \cdot z + 3.350343815022304}\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
herbie shell --seed 2024198
(FPCore (x y z)
:name "Numeric.SpecFunctions:logGamma from math-functions-0.1.5.2, B"
:precision binary64
:alt
(! :herbie-platform default (if (< z -324806146098267/40000000) (- (* (+ (/ 7512208616047561/100000000000000000 z) 692910599291889/10000000000000000) y) (- (/ (* 323697630959937/800000000000000 y) (* z z)) x)) (if (< z 657611897278737700000) (+ x (* (* y (+ (* (+ (* z 692910599291889/10000000000000000) 307332350656623/625000000000000) z) 11167812716741/40000000000000)) (/ 1 (+ (* (+ z 6012459259764103/1000000000000000) z) 104698244219447/31250000000000)))) (- (* (+ (/ 7512208616047561/100000000000000000 z) 692910599291889/10000000000000000) y) (- (/ (* 323697630959937/800000000000000 y) (* z z)) x)))))
(+ x (/ (* y (+ (* (+ (* z 0.0692910599291889) 0.4917317610505968) z) 0.279195317918525)) (+ (* (+ z 6.012459259764103) z) 3.350343815022304))))