
(FPCore (x y) :precision binary64 (let* ((t_0 (/ x (* y 2.0)))) (/ (tan t_0) (sin t_0))))
double code(double x, double y) {
double t_0 = x / (y * 2.0);
return tan(t_0) / sin(t_0);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: t_0
t_0 = x / (y * 2.0d0)
code = tan(t_0) / sin(t_0)
end function
public static double code(double x, double y) {
double t_0 = x / (y * 2.0);
return Math.tan(t_0) / Math.sin(t_0);
}
def code(x, y): t_0 = x / (y * 2.0) return math.tan(t_0) / math.sin(t_0)
function code(x, y) t_0 = Float64(x / Float64(y * 2.0)) return Float64(tan(t_0) / sin(t_0)) end
function tmp = code(x, y) t_0 = x / (y * 2.0); tmp = tan(t_0) / sin(t_0); end
code[x_, y_] := Block[{t$95$0 = N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision]}, N[(N[Tan[t$95$0], $MachinePrecision] / N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x}{y \cdot 2}\\
\frac{\tan t\_0}{\sin t\_0}
\end{array}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y) :precision binary64 (let* ((t_0 (/ x (* y 2.0)))) (/ (tan t_0) (sin t_0))))
double code(double x, double y) {
double t_0 = x / (y * 2.0);
return tan(t_0) / sin(t_0);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: t_0
t_0 = x / (y * 2.0d0)
code = tan(t_0) / sin(t_0)
end function
public static double code(double x, double y) {
double t_0 = x / (y * 2.0);
return Math.tan(t_0) / Math.sin(t_0);
}
def code(x, y): t_0 = x / (y * 2.0) return math.tan(t_0) / math.sin(t_0)
function code(x, y) t_0 = Float64(x / Float64(y * 2.0)) return Float64(tan(t_0) / sin(t_0)) end
function tmp = code(x, y) t_0 = x / (y * 2.0); tmp = tan(t_0) / sin(t_0); end
code[x_, y_] := Block[{t$95$0 = N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision]}, N[(N[Tan[t$95$0], $MachinePrecision] / N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x}{y \cdot 2}\\
\frac{\tan t\_0}{\sin t\_0}
\end{array}
\end{array}
y_m = (fabs.f64 y)
x_m = (fabs.f64 x)
(FPCore (x_m y_m)
:precision binary64
(if (<= (/ x_m (* y_m 2.0)) 1e+153)
(/
1.0
(cos
(*
(* (pow y_m -0.125) (* (pow 2.0 -0.125) (pow (* y_m 2.0) -0.375)))
(* x_m (pow (* y_m 2.0) -0.5)))))
1.0))y_m = fabs(y);
x_m = fabs(x);
double code(double x_m, double y_m) {
double tmp;
if ((x_m / (y_m * 2.0)) <= 1e+153) {
tmp = 1.0 / cos(((pow(y_m, -0.125) * (pow(2.0, -0.125) * pow((y_m * 2.0), -0.375))) * (x_m * pow((y_m * 2.0), -0.5))));
} else {
tmp = 1.0;
}
return tmp;
}
y_m = abs(y)
x_m = abs(x)
real(8) function code(x_m, y_m)
real(8), intent (in) :: x_m
real(8), intent (in) :: y_m
real(8) :: tmp
if ((x_m / (y_m * 2.0d0)) <= 1d+153) then
tmp = 1.0d0 / cos((((y_m ** (-0.125d0)) * ((2.0d0 ** (-0.125d0)) * ((y_m * 2.0d0) ** (-0.375d0)))) * (x_m * ((y_m * 2.0d0) ** (-0.5d0)))))
else
tmp = 1.0d0
end if
code = tmp
end function
y_m = Math.abs(y);
x_m = Math.abs(x);
public static double code(double x_m, double y_m) {
double tmp;
if ((x_m / (y_m * 2.0)) <= 1e+153) {
tmp = 1.0 / Math.cos(((Math.pow(y_m, -0.125) * (Math.pow(2.0, -0.125) * Math.pow((y_m * 2.0), -0.375))) * (x_m * Math.pow((y_m * 2.0), -0.5))));
} else {
tmp = 1.0;
}
return tmp;
}
y_m = math.fabs(y) x_m = math.fabs(x) def code(x_m, y_m): tmp = 0 if (x_m / (y_m * 2.0)) <= 1e+153: tmp = 1.0 / math.cos(((math.pow(y_m, -0.125) * (math.pow(2.0, -0.125) * math.pow((y_m * 2.0), -0.375))) * (x_m * math.pow((y_m * 2.0), -0.5)))) else: tmp = 1.0 return tmp
y_m = abs(y) x_m = abs(x) function code(x_m, y_m) tmp = 0.0 if (Float64(x_m / Float64(y_m * 2.0)) <= 1e+153) tmp = Float64(1.0 / cos(Float64(Float64((y_m ^ -0.125) * Float64((2.0 ^ -0.125) * (Float64(y_m * 2.0) ^ -0.375))) * Float64(x_m * (Float64(y_m * 2.0) ^ -0.5))))); else tmp = 1.0; end return tmp end
y_m = abs(y); x_m = abs(x); function tmp_2 = code(x_m, y_m) tmp = 0.0; if ((x_m / (y_m * 2.0)) <= 1e+153) tmp = 1.0 / cos((((y_m ^ -0.125) * ((2.0 ^ -0.125) * ((y_m * 2.0) ^ -0.375))) * (x_m * ((y_m * 2.0) ^ -0.5)))); else tmp = 1.0; end tmp_2 = tmp; end
y_m = N[Abs[y], $MachinePrecision] x_m = N[Abs[x], $MachinePrecision] code[x$95$m_, y$95$m_] := If[LessEqual[N[(x$95$m / N[(y$95$m * 2.0), $MachinePrecision]), $MachinePrecision], 1e+153], N[(1.0 / N[Cos[N[(N[(N[Power[y$95$m, -0.125], $MachinePrecision] * N[(N[Power[2.0, -0.125], $MachinePrecision] * N[Power[N[(y$95$m * 2.0), $MachinePrecision], -0.375], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(x$95$m * N[Power[N[(y$95$m * 2.0), $MachinePrecision], -0.5], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]
\begin{array}{l}
y_m = \left|y\right|
\\
x_m = \left|x\right|
\\
\begin{array}{l}
\mathbf{if}\;\frac{x\_m}{y\_m \cdot 2} \leq 10^{+153}:\\
\;\;\;\;\frac{1}{\cos \left(\left({y\_m}^{-0.125} \cdot \left({2}^{-0.125} \cdot {\left(y\_m \cdot 2\right)}^{-0.375}\right)\right) \cdot \left(x\_m \cdot {\left(y\_m \cdot 2\right)}^{-0.5}\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y #s(literal 2 binary64))) < 1e153Initial program 46.9%
lift-/.f64N/A
clear-numN/A
lower-/.f64N/A
lift-tan.f64N/A
tan-quotN/A
lift-sin.f64N/A
associate-/r/N/A
*-inversesN/A
remove-double-negN/A
distribute-rgt-neg-inN/A
distribute-lft-neg-inN/A
metadata-evalN/A
neg-mul-1N/A
remove-double-negN/A
lower-cos.f6462.5
Applied rewrites62.5%
lift-/.f64N/A
div-invN/A
inv-powN/A
metadata-evalN/A
pow-prod-upN/A
lift-pow.f64N/A
lift-pow.f64N/A
*-commutativeN/A
associate-*r*N/A
lift-*.f64N/A
lift-*.f6428.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f6428.0
Applied rewrites28.0%
lift-pow.f64N/A
metadata-evalN/A
pow-prod-upN/A
sqr-powN/A
lift-pow.f64N/A
associate-*l*N/A
metadata-evalN/A
lift-pow.f64N/A
pow-prod-upN/A
metadata-evalN/A
metadata-evalN/A
lift-*.f64N/A
metadata-evalN/A
unpow-prod-downN/A
associate-*l*N/A
lower-*.f64N/A
lower-pow.f64N/A
lower-*.f64N/A
lower-pow.f64N/A
lower-pow.f64N/A
metadata-eval28.2
Applied rewrites28.2%
if 1e153 < (/.f64 x (*.f64 y #s(literal 2 binary64))) Initial program 5.1%
Taylor expanded in x around 0
Applied rewrites12.8%
y_m = (fabs.f64 y)
x_m = (fabs.f64 x)
(FPCore (x_m y_m)
:precision binary64
(if (<= (/ x_m (* y_m 2.0)) 5e+154)
(/
1.0
(cos
(* (pow (* y_m 2.0) -0.5) (* x_m (pow (exp (log (* y_m 2.0))) -0.5)))))
1.0))y_m = fabs(y);
x_m = fabs(x);
double code(double x_m, double y_m) {
double tmp;
if ((x_m / (y_m * 2.0)) <= 5e+154) {
tmp = 1.0 / cos((pow((y_m * 2.0), -0.5) * (x_m * pow(exp(log((y_m * 2.0))), -0.5))));
} else {
tmp = 1.0;
}
return tmp;
}
y_m = abs(y)
x_m = abs(x)
real(8) function code(x_m, y_m)
real(8), intent (in) :: x_m
real(8), intent (in) :: y_m
real(8) :: tmp
if ((x_m / (y_m * 2.0d0)) <= 5d+154) then
tmp = 1.0d0 / cos((((y_m * 2.0d0) ** (-0.5d0)) * (x_m * (exp(log((y_m * 2.0d0))) ** (-0.5d0)))))
else
tmp = 1.0d0
end if
code = tmp
end function
y_m = Math.abs(y);
x_m = Math.abs(x);
public static double code(double x_m, double y_m) {
double tmp;
if ((x_m / (y_m * 2.0)) <= 5e+154) {
tmp = 1.0 / Math.cos((Math.pow((y_m * 2.0), -0.5) * (x_m * Math.pow(Math.exp(Math.log((y_m * 2.0))), -0.5))));
} else {
tmp = 1.0;
}
return tmp;
}
y_m = math.fabs(y) x_m = math.fabs(x) def code(x_m, y_m): tmp = 0 if (x_m / (y_m * 2.0)) <= 5e+154: tmp = 1.0 / math.cos((math.pow((y_m * 2.0), -0.5) * (x_m * math.pow(math.exp(math.log((y_m * 2.0))), -0.5)))) else: tmp = 1.0 return tmp
y_m = abs(y) x_m = abs(x) function code(x_m, y_m) tmp = 0.0 if (Float64(x_m / Float64(y_m * 2.0)) <= 5e+154) tmp = Float64(1.0 / cos(Float64((Float64(y_m * 2.0) ^ -0.5) * Float64(x_m * (exp(log(Float64(y_m * 2.0))) ^ -0.5))))); else tmp = 1.0; end return tmp end
y_m = abs(y); x_m = abs(x); function tmp_2 = code(x_m, y_m) tmp = 0.0; if ((x_m / (y_m * 2.0)) <= 5e+154) tmp = 1.0 / cos((((y_m * 2.0) ^ -0.5) * (x_m * (exp(log((y_m * 2.0))) ^ -0.5)))); else tmp = 1.0; end tmp_2 = tmp; end
y_m = N[Abs[y], $MachinePrecision] x_m = N[Abs[x], $MachinePrecision] code[x$95$m_, y$95$m_] := If[LessEqual[N[(x$95$m / N[(y$95$m * 2.0), $MachinePrecision]), $MachinePrecision], 5e+154], N[(1.0 / N[Cos[N[(N[Power[N[(y$95$m * 2.0), $MachinePrecision], -0.5], $MachinePrecision] * N[(x$95$m * N[Power[N[Exp[N[Log[N[(y$95$m * 2.0), $MachinePrecision]], $MachinePrecision]], $MachinePrecision], -0.5], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]
\begin{array}{l}
y_m = \left|y\right|
\\
x_m = \left|x\right|
\\
\begin{array}{l}
\mathbf{if}\;\frac{x\_m}{y\_m \cdot 2} \leq 5 \cdot 10^{+154}:\\
\;\;\;\;\frac{1}{\cos \left({\left(y\_m \cdot 2\right)}^{-0.5} \cdot \left(x\_m \cdot {\left(e^{\log \left(y\_m \cdot 2\right)}\right)}^{-0.5}\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y #s(literal 2 binary64))) < 5.00000000000000004e154Initial program 46.4%
lift-/.f64N/A
clear-numN/A
lower-/.f64N/A
lift-tan.f64N/A
tan-quotN/A
lift-sin.f64N/A
associate-/r/N/A
*-inversesN/A
remove-double-negN/A
distribute-rgt-neg-inN/A
distribute-lft-neg-inN/A
metadata-evalN/A
neg-mul-1N/A
remove-double-negN/A
lower-cos.f6462.0
Applied rewrites62.0%
lift-/.f64N/A
div-invN/A
inv-powN/A
metadata-evalN/A
pow-prod-upN/A
lift-pow.f64N/A
lift-pow.f64N/A
*-commutativeN/A
associate-*r*N/A
lift-*.f64N/A
lift-*.f6427.7
lift-*.f64N/A
*-commutativeN/A
lower-*.f6427.7
Applied rewrites27.7%
rem-exp-logN/A
lower-exp.f64N/A
lower-log.f6427.9
Applied rewrites27.9%
if 5.00000000000000004e154 < (/.f64 x (*.f64 y #s(literal 2 binary64))) Initial program 5.2%
Taylor expanded in x around 0
Applied rewrites13.4%
y_m = (fabs.f64 y) x_m = (fabs.f64 x) (FPCore (x_m y_m) :precision binary64 (let* ((t_0 (pow (* y_m 2.0) -0.5))) (if (<= (/ x_m (* y_m 2.0)) 2e+142) (/ 1.0 (cos (* t_0 (* x_m t_0)))) 1.0)))
y_m = fabs(y);
x_m = fabs(x);
double code(double x_m, double y_m) {
double t_0 = pow((y_m * 2.0), -0.5);
double tmp;
if ((x_m / (y_m * 2.0)) <= 2e+142) {
tmp = 1.0 / cos((t_0 * (x_m * t_0)));
} else {
tmp = 1.0;
}
return tmp;
}
y_m = abs(y)
x_m = abs(x)
real(8) function code(x_m, y_m)
real(8), intent (in) :: x_m
real(8), intent (in) :: y_m
real(8) :: t_0
real(8) :: tmp
t_0 = (y_m * 2.0d0) ** (-0.5d0)
if ((x_m / (y_m * 2.0d0)) <= 2d+142) then
tmp = 1.0d0 / cos((t_0 * (x_m * t_0)))
else
tmp = 1.0d0
end if
code = tmp
end function
y_m = Math.abs(y);
x_m = Math.abs(x);
public static double code(double x_m, double y_m) {
double t_0 = Math.pow((y_m * 2.0), -0.5);
double tmp;
if ((x_m / (y_m * 2.0)) <= 2e+142) {
tmp = 1.0 / Math.cos((t_0 * (x_m * t_0)));
} else {
tmp = 1.0;
}
return tmp;
}
y_m = math.fabs(y) x_m = math.fabs(x) def code(x_m, y_m): t_0 = math.pow((y_m * 2.0), -0.5) tmp = 0 if (x_m / (y_m * 2.0)) <= 2e+142: tmp = 1.0 / math.cos((t_0 * (x_m * t_0))) else: tmp = 1.0 return tmp
y_m = abs(y) x_m = abs(x) function code(x_m, y_m) t_0 = Float64(y_m * 2.0) ^ -0.5 tmp = 0.0 if (Float64(x_m / Float64(y_m * 2.0)) <= 2e+142) tmp = Float64(1.0 / cos(Float64(t_0 * Float64(x_m * t_0)))); else tmp = 1.0; end return tmp end
y_m = abs(y); x_m = abs(x); function tmp_2 = code(x_m, y_m) t_0 = (y_m * 2.0) ^ -0.5; tmp = 0.0; if ((x_m / (y_m * 2.0)) <= 2e+142) tmp = 1.0 / cos((t_0 * (x_m * t_0))); else tmp = 1.0; end tmp_2 = tmp; end
y_m = N[Abs[y], $MachinePrecision]
x_m = N[Abs[x], $MachinePrecision]
code[x$95$m_, y$95$m_] := Block[{t$95$0 = N[Power[N[(y$95$m * 2.0), $MachinePrecision], -0.5], $MachinePrecision]}, If[LessEqual[N[(x$95$m / N[(y$95$m * 2.0), $MachinePrecision]), $MachinePrecision], 2e+142], N[(1.0 / N[Cos[N[(t$95$0 * N[(x$95$m * t$95$0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]]
\begin{array}{l}
y_m = \left|y\right|
\\
x_m = \left|x\right|
\\
\begin{array}{l}
t_0 := {\left(y\_m \cdot 2\right)}^{-0.5}\\
\mathbf{if}\;\frac{x\_m}{y\_m \cdot 2} \leq 2 \cdot 10^{+142}:\\
\;\;\;\;\frac{1}{\cos \left(t\_0 \cdot \left(x\_m \cdot t\_0\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y #s(literal 2 binary64))) < 2.0000000000000001e142Initial program 47.3%
lift-/.f64N/A
clear-numN/A
lower-/.f64N/A
lift-tan.f64N/A
tan-quotN/A
lift-sin.f64N/A
associate-/r/N/A
*-inversesN/A
remove-double-negN/A
distribute-rgt-neg-inN/A
distribute-lft-neg-inN/A
metadata-evalN/A
neg-mul-1N/A
remove-double-negN/A
lower-cos.f6463.1
Applied rewrites63.1%
lift-/.f64N/A
div-invN/A
inv-powN/A
metadata-evalN/A
pow-prod-upN/A
lift-pow.f64N/A
lift-pow.f64N/A
*-commutativeN/A
associate-*r*N/A
lift-*.f64N/A
lift-*.f6428.3
lift-*.f64N/A
*-commutativeN/A
lower-*.f6428.3
Applied rewrites28.3%
if 2.0000000000000001e142 < (/.f64 x (*.f64 y #s(literal 2 binary64))) Initial program 6.0%
Taylor expanded in x around 0
Applied rewrites13.4%
y_m = (fabs.f64 y)
x_m = (fabs.f64 x)
(FPCore (x_m y_m)
:precision binary64
(if (<= (/ x_m (* y_m 2.0)) 2e+142)
(/
1.0
(cos (* (pow (* y_m 2.0) -0.5) (* x_m (* (sqrt 0.5) (sqrt (/ 1.0 y_m)))))))
1.0))y_m = fabs(y);
x_m = fabs(x);
double code(double x_m, double y_m) {
double tmp;
if ((x_m / (y_m * 2.0)) <= 2e+142) {
tmp = 1.0 / cos((pow((y_m * 2.0), -0.5) * (x_m * (sqrt(0.5) * sqrt((1.0 / y_m))))));
} else {
tmp = 1.0;
}
return tmp;
}
y_m = abs(y)
x_m = abs(x)
real(8) function code(x_m, y_m)
real(8), intent (in) :: x_m
real(8), intent (in) :: y_m
real(8) :: tmp
if ((x_m / (y_m * 2.0d0)) <= 2d+142) then
tmp = 1.0d0 / cos((((y_m * 2.0d0) ** (-0.5d0)) * (x_m * (sqrt(0.5d0) * sqrt((1.0d0 / y_m))))))
else
tmp = 1.0d0
end if
code = tmp
end function
y_m = Math.abs(y);
x_m = Math.abs(x);
public static double code(double x_m, double y_m) {
double tmp;
if ((x_m / (y_m * 2.0)) <= 2e+142) {
tmp = 1.0 / Math.cos((Math.pow((y_m * 2.0), -0.5) * (x_m * (Math.sqrt(0.5) * Math.sqrt((1.0 / y_m))))));
} else {
tmp = 1.0;
}
return tmp;
}
y_m = math.fabs(y) x_m = math.fabs(x) def code(x_m, y_m): tmp = 0 if (x_m / (y_m * 2.0)) <= 2e+142: tmp = 1.0 / math.cos((math.pow((y_m * 2.0), -0.5) * (x_m * (math.sqrt(0.5) * math.sqrt((1.0 / y_m)))))) else: tmp = 1.0 return tmp
y_m = abs(y) x_m = abs(x) function code(x_m, y_m) tmp = 0.0 if (Float64(x_m / Float64(y_m * 2.0)) <= 2e+142) tmp = Float64(1.0 / cos(Float64((Float64(y_m * 2.0) ^ -0.5) * Float64(x_m * Float64(sqrt(0.5) * sqrt(Float64(1.0 / y_m))))))); else tmp = 1.0; end return tmp end
y_m = abs(y); x_m = abs(x); function tmp_2 = code(x_m, y_m) tmp = 0.0; if ((x_m / (y_m * 2.0)) <= 2e+142) tmp = 1.0 / cos((((y_m * 2.0) ^ -0.5) * (x_m * (sqrt(0.5) * sqrt((1.0 / y_m)))))); else tmp = 1.0; end tmp_2 = tmp; end
y_m = N[Abs[y], $MachinePrecision] x_m = N[Abs[x], $MachinePrecision] code[x$95$m_, y$95$m_] := If[LessEqual[N[(x$95$m / N[(y$95$m * 2.0), $MachinePrecision]), $MachinePrecision], 2e+142], N[(1.0 / N[Cos[N[(N[Power[N[(y$95$m * 2.0), $MachinePrecision], -0.5], $MachinePrecision] * N[(x$95$m * N[(N[Sqrt[0.5], $MachinePrecision] * N[Sqrt[N[(1.0 / y$95$m), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]
\begin{array}{l}
y_m = \left|y\right|
\\
x_m = \left|x\right|
\\
\begin{array}{l}
\mathbf{if}\;\frac{x\_m}{y\_m \cdot 2} \leq 2 \cdot 10^{+142}:\\
\;\;\;\;\frac{1}{\cos \left({\left(y\_m \cdot 2\right)}^{-0.5} \cdot \left(x\_m \cdot \left(\sqrt{0.5} \cdot \sqrt{\frac{1}{y\_m}}\right)\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y #s(literal 2 binary64))) < 2.0000000000000001e142Initial program 47.3%
lift-/.f64N/A
clear-numN/A
lower-/.f64N/A
lift-tan.f64N/A
tan-quotN/A
lift-sin.f64N/A
associate-/r/N/A
*-inversesN/A
remove-double-negN/A
distribute-rgt-neg-inN/A
distribute-lft-neg-inN/A
metadata-evalN/A
neg-mul-1N/A
remove-double-negN/A
lower-cos.f6463.1
Applied rewrites63.1%
lift-/.f64N/A
div-invN/A
inv-powN/A
metadata-evalN/A
pow-prod-upN/A
lift-pow.f64N/A
lift-pow.f64N/A
*-commutativeN/A
associate-*r*N/A
lift-*.f64N/A
lift-*.f6428.3
lift-*.f64N/A
*-commutativeN/A
lower-*.f6428.3
Applied rewrites28.3%
Taylor expanded in y around 0
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
lower-/.f6428.1
Applied rewrites28.1%
if 2.0000000000000001e142 < (/.f64 x (*.f64 y #s(literal 2 binary64))) Initial program 6.0%
Taylor expanded in x around 0
Applied rewrites13.4%
y_m = (fabs.f64 y) x_m = (fabs.f64 x) (FPCore (x_m y_m) :precision binary64 (if (<= (/ x_m (* y_m 2.0)) 1e+57) (/ 1.0 (cos (* x_m (/ 0.5 y_m)))) 1.0))
y_m = fabs(y);
x_m = fabs(x);
double code(double x_m, double y_m) {
double tmp;
if ((x_m / (y_m * 2.0)) <= 1e+57) {
tmp = 1.0 / cos((x_m * (0.5 / y_m)));
} else {
tmp = 1.0;
}
return tmp;
}
y_m = abs(y)
x_m = abs(x)
real(8) function code(x_m, y_m)
real(8), intent (in) :: x_m
real(8), intent (in) :: y_m
real(8) :: tmp
if ((x_m / (y_m * 2.0d0)) <= 1d+57) then
tmp = 1.0d0 / cos((x_m * (0.5d0 / y_m)))
else
tmp = 1.0d0
end if
code = tmp
end function
y_m = Math.abs(y);
x_m = Math.abs(x);
public static double code(double x_m, double y_m) {
double tmp;
if ((x_m / (y_m * 2.0)) <= 1e+57) {
tmp = 1.0 / Math.cos((x_m * (0.5 / y_m)));
} else {
tmp = 1.0;
}
return tmp;
}
y_m = math.fabs(y) x_m = math.fabs(x) def code(x_m, y_m): tmp = 0 if (x_m / (y_m * 2.0)) <= 1e+57: tmp = 1.0 / math.cos((x_m * (0.5 / y_m))) else: tmp = 1.0 return tmp
y_m = abs(y) x_m = abs(x) function code(x_m, y_m) tmp = 0.0 if (Float64(x_m / Float64(y_m * 2.0)) <= 1e+57) tmp = Float64(1.0 / cos(Float64(x_m * Float64(0.5 / y_m)))); else tmp = 1.0; end return tmp end
y_m = abs(y); x_m = abs(x); function tmp_2 = code(x_m, y_m) tmp = 0.0; if ((x_m / (y_m * 2.0)) <= 1e+57) tmp = 1.0 / cos((x_m * (0.5 / y_m))); else tmp = 1.0; end tmp_2 = tmp; end
y_m = N[Abs[y], $MachinePrecision] x_m = N[Abs[x], $MachinePrecision] code[x$95$m_, y$95$m_] := If[LessEqual[N[(x$95$m / N[(y$95$m * 2.0), $MachinePrecision]), $MachinePrecision], 1e+57], N[(1.0 / N[Cos[N[(x$95$m * N[(0.5 / y$95$m), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]
\begin{array}{l}
y_m = \left|y\right|
\\
x_m = \left|x\right|
\\
\begin{array}{l}
\mathbf{if}\;\frac{x\_m}{y\_m \cdot 2} \leq 10^{+57}:\\
\;\;\;\;\frac{1}{\cos \left(x\_m \cdot \frac{0.5}{y\_m}\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y #s(literal 2 binary64))) < 1.00000000000000005e57Initial program 50.3%
lift-/.f64N/A
clear-numN/A
lower-/.f64N/A
lift-tan.f64N/A
tan-quotN/A
lift-sin.f64N/A
associate-/r/N/A
*-inversesN/A
remove-double-negN/A
distribute-rgt-neg-inN/A
distribute-lft-neg-inN/A
metadata-evalN/A
neg-mul-1N/A
remove-double-negN/A
lower-cos.f6467.5
Applied rewrites67.5%
lift-/.f64N/A
div-invN/A
inv-powN/A
metadata-evalN/A
pow-prod-upN/A
lift-pow.f64N/A
lift-pow.f64N/A
*-commutativeN/A
lower-*.f64N/A
lift-pow.f64N/A
lift-pow.f64N/A
pow-prod-upN/A
metadata-evalN/A
inv-powN/A
lift-*.f64N/A
*-commutativeN/A
associate-/r*N/A
metadata-evalN/A
lower-/.f6467.7
Applied rewrites67.7%
if 1.00000000000000005e57 < (/.f64 x (*.f64 y #s(literal 2 binary64))) Initial program 7.8%
Taylor expanded in x around 0
Applied rewrites12.5%
Final simplification55.0%
y_m = (fabs.f64 y) x_m = (fabs.f64 x) (FPCore (x_m y_m) :precision binary64 1.0)
y_m = fabs(y);
x_m = fabs(x);
double code(double x_m, double y_m) {
return 1.0;
}
y_m = abs(y)
x_m = abs(x)
real(8) function code(x_m, y_m)
real(8), intent (in) :: x_m
real(8), intent (in) :: y_m
code = 1.0d0
end function
y_m = Math.abs(y);
x_m = Math.abs(x);
public static double code(double x_m, double y_m) {
return 1.0;
}
y_m = math.fabs(y) x_m = math.fabs(x) def code(x_m, y_m): return 1.0
y_m = abs(y) x_m = abs(x) function code(x_m, y_m) return 1.0 end
y_m = abs(y); x_m = abs(x); function tmp = code(x_m, y_m) tmp = 1.0; end
y_m = N[Abs[y], $MachinePrecision] x_m = N[Abs[x], $MachinePrecision] code[x$95$m_, y$95$m_] := 1.0
\begin{array}{l}
y_m = \left|y\right|
\\
x_m = \left|x\right|
\\
1
\end{array}
Initial program 40.5%
Taylor expanded in x around 0
Applied rewrites53.9%
y_m = (fabs.f64 y) x_m = (fabs.f64 x) (FPCore (x_m y_m) :precision binary64 -1.0)
y_m = fabs(y);
x_m = fabs(x);
double code(double x_m, double y_m) {
return -1.0;
}
y_m = abs(y)
x_m = abs(x)
real(8) function code(x_m, y_m)
real(8), intent (in) :: x_m
real(8), intent (in) :: y_m
code = -1.0d0
end function
y_m = Math.abs(y);
x_m = Math.abs(x);
public static double code(double x_m, double y_m) {
return -1.0;
}
y_m = math.fabs(y) x_m = math.fabs(x) def code(x_m, y_m): return -1.0
y_m = abs(y) x_m = abs(x) function code(x_m, y_m) return -1.0 end
y_m = abs(y); x_m = abs(x); function tmp = code(x_m, y_m) tmp = -1.0; end
y_m = N[Abs[y], $MachinePrecision] x_m = N[Abs[x], $MachinePrecision] code[x$95$m_, y$95$m_] := -1.0
\begin{array}{l}
y_m = \left|y\right|
\\
x_m = \left|x\right|
\\
-1
\end{array}
Initial program 40.5%
lift-/.f64N/A
clear-numN/A
associate-/r/N/A
inv-powN/A
sqr-powN/A
associate-*l*N/A
lower-*.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
lower-pow.f64N/A
metadata-evalN/A
metadata-evalN/A
lower-*.f64N/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
lower-pow.f64N/A
metadata-evalN/A
metadata-eval18.2
Applied rewrites18.2%
lift-*.f64N/A
lift-*.f64N/A
lift-pow.f64N/A
lift-*.f64N/A
unpow-prod-downN/A
associate-*l*N/A
associate-*r*N/A
lower-*.f64N/A
lift-pow.f64N/A
pow-prod-downN/A
lower-pow.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-pow.f6411.2
Applied rewrites11.2%
Taylor expanded in y around -inf
unpow2N/A
rem-square-sqrtN/A
metadata-eval7.2
Applied rewrites7.2%
(FPCore (x y)
:precision binary64
(let* ((t_0 (/ x (* y 2.0))) (t_1 (sin t_0)))
(if (< y -1.2303690911306994e+114)
1.0
(if (< y -9.102852406811914e-222)
(/ t_1 (* t_1 (log (exp (cos t_0)))))
1.0))))
double code(double x, double y) {
double t_0 = x / (y * 2.0);
double t_1 = sin(t_0);
double tmp;
if (y < -1.2303690911306994e+114) {
tmp = 1.0;
} else if (y < -9.102852406811914e-222) {
tmp = t_1 / (t_1 * log(exp(cos(t_0))));
} else {
tmp = 1.0;
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: t_0
real(8) :: t_1
real(8) :: tmp
t_0 = x / (y * 2.0d0)
t_1 = sin(t_0)
if (y < (-1.2303690911306994d+114)) then
tmp = 1.0d0
else if (y < (-9.102852406811914d-222)) then
tmp = t_1 / (t_1 * log(exp(cos(t_0))))
else
tmp = 1.0d0
end if
code = tmp
end function
public static double code(double x, double y) {
double t_0 = x / (y * 2.0);
double t_1 = Math.sin(t_0);
double tmp;
if (y < -1.2303690911306994e+114) {
tmp = 1.0;
} else if (y < -9.102852406811914e-222) {
tmp = t_1 / (t_1 * Math.log(Math.exp(Math.cos(t_0))));
} else {
tmp = 1.0;
}
return tmp;
}
def code(x, y): t_0 = x / (y * 2.0) t_1 = math.sin(t_0) tmp = 0 if y < -1.2303690911306994e+114: tmp = 1.0 elif y < -9.102852406811914e-222: tmp = t_1 / (t_1 * math.log(math.exp(math.cos(t_0)))) else: tmp = 1.0 return tmp
function code(x, y) t_0 = Float64(x / Float64(y * 2.0)) t_1 = sin(t_0) tmp = 0.0 if (y < -1.2303690911306994e+114) tmp = 1.0; elseif (y < -9.102852406811914e-222) tmp = Float64(t_1 / Float64(t_1 * log(exp(cos(t_0))))); else tmp = 1.0; end return tmp end
function tmp_2 = code(x, y) t_0 = x / (y * 2.0); t_1 = sin(t_0); tmp = 0.0; if (y < -1.2303690911306994e+114) tmp = 1.0; elseif (y < -9.102852406811914e-222) tmp = t_1 / (t_1 * log(exp(cos(t_0)))); else tmp = 1.0; end tmp_2 = tmp; end
code[x_, y_] := Block[{t$95$0 = N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[Sin[t$95$0], $MachinePrecision]}, If[Less[y, -1.2303690911306994e+114], 1.0, If[Less[y, -9.102852406811914e-222], N[(t$95$1 / N[(t$95$1 * N[Log[N[Exp[N[Cos[t$95$0], $MachinePrecision]], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 1.0]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x}{y \cdot 2}\\
t_1 := \sin t\_0\\
\mathbf{if}\;y < -1.2303690911306994 \cdot 10^{+114}:\\
\;\;\;\;1\\
\mathbf{elif}\;y < -9.102852406811914 \cdot 10^{-222}:\\
\;\;\;\;\frac{t\_1}{t\_1 \cdot \log \left(e^{\cos t\_0}\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
herbie shell --seed 2024233
(FPCore (x y)
:name "Diagrams.TwoD.Layout.CirclePacking:approxRadius from diagrams-contrib-1.3.0.5"
:precision binary64
:alt
(! :herbie-platform default (if (< y -1230369091130699400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) 1 (if (< y -4551426203405957/500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (/ (sin (/ x (* y 2))) (* (sin (/ x (* y 2))) (log (exp (cos (/ x (* y 2))))))) 1)))
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0)))))