
(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 6 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}
NOTE: y should be positive before calling this function
(FPCore (x y)
:precision binary64
(/
1.0
(cos
(*
(/ (pow (cbrt x) 2.0) (exp (* 2.0 (log (cbrt (* 2.0 y))))))
(cbrt (/ x (* 2.0 y)))))))y = abs(y);
double code(double x, double y) {
return 1.0 / cos(((pow(cbrt(x), 2.0) / exp((2.0 * log(cbrt((2.0 * y)))))) * cbrt((x / (2.0 * y)))));
}
y = Math.abs(y);
public static double code(double x, double y) {
return 1.0 / Math.cos(((Math.pow(Math.cbrt(x), 2.0) / Math.exp((2.0 * Math.log(Math.cbrt((2.0 * y)))))) * Math.cbrt((x / (2.0 * y)))));
}
y = abs(y) function code(x, y) return Float64(1.0 / cos(Float64(Float64((cbrt(x) ^ 2.0) / exp(Float64(2.0 * log(cbrt(Float64(2.0 * y)))))) * cbrt(Float64(x / Float64(2.0 * y)))))) end
NOTE: y should be positive before calling this function code[x_, y_] := N[(1.0 / N[Cos[N[(N[(N[Power[N[Power[x, 1/3], $MachinePrecision], 2.0], $MachinePrecision] / N[Exp[N[(2.0 * N[Log[N[Power[N[(2.0 * y), $MachinePrecision], 1/3], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] * N[Power[N[(x / N[(2.0 * y), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
y = |y|\\
\\
\frac{1}{\cos \left(\frac{{\left(\sqrt[3]{x}\right)}^{2}}{e^{2 \cdot \log \left(\sqrt[3]{2 \cdot y}\right)}} \cdot \sqrt[3]{\frac{x}{2 \cdot y}}\right)}
\end{array}
Initial program 42.1%
Taylor expanded in x around inf 53.8%
clear-num54.4%
un-div-inv54.4%
Applied egg-rr54.4%
div-inv54.4%
metadata-eval54.4%
clear-num53.8%
times-frac53.8%
*-un-lft-identity53.8%
*-commutative53.8%
add-cube-cbrt53.9%
add-cube-cbrt54.4%
times-frac54.5%
pow254.5%
pow254.5%
cbrt-div54.7%
Applied egg-rr54.7%
add-exp-log55.1%
log-pow26.7%
*-commutative26.7%
Applied egg-rr26.7%
Final simplification26.7%
NOTE: y should be positive before calling this function
(FPCore (x y)
:precision binary64
(/
1.0
(cos
(*
(cbrt (/ x (* 2.0 y)))
(/ (pow (cbrt x) 2.0) (pow (cbrt (* 2.0 y)) 2.0))))))y = abs(y);
double code(double x, double y) {
return 1.0 / cos((cbrt((x / (2.0 * y))) * (pow(cbrt(x), 2.0) / pow(cbrt((2.0 * y)), 2.0))));
}
y = Math.abs(y);
public static double code(double x, double y) {
return 1.0 / Math.cos((Math.cbrt((x / (2.0 * y))) * (Math.pow(Math.cbrt(x), 2.0) / Math.pow(Math.cbrt((2.0 * y)), 2.0))));
}
y = abs(y) function code(x, y) return Float64(1.0 / cos(Float64(cbrt(Float64(x / Float64(2.0 * y))) * Float64((cbrt(x) ^ 2.0) / (cbrt(Float64(2.0 * y)) ^ 2.0))))) end
NOTE: y should be positive before calling this function code[x_, y_] := N[(1.0 / N[Cos[N[(N[Power[N[(x / N[(2.0 * y), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] * N[(N[Power[N[Power[x, 1/3], $MachinePrecision], 2.0], $MachinePrecision] / N[Power[N[Power[N[(2.0 * y), $MachinePrecision], 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
y = |y|\\
\\
\frac{1}{\cos \left(\sqrt[3]{\frac{x}{2 \cdot y}} \cdot \frac{{\left(\sqrt[3]{x}\right)}^{2}}{{\left(\sqrt[3]{2 \cdot y}\right)}^{2}}\right)}
\end{array}
Initial program 42.1%
Taylor expanded in x around inf 53.8%
clear-num54.4%
un-div-inv54.4%
Applied egg-rr54.4%
div-inv54.4%
metadata-eval54.4%
clear-num53.8%
times-frac53.8%
*-un-lft-identity53.8%
*-commutative53.8%
add-cube-cbrt53.9%
add-cube-cbrt54.4%
times-frac54.5%
pow254.5%
pow254.5%
cbrt-div54.7%
Applied egg-rr54.7%
Final simplification54.7%
NOTE: y should be positive before calling this function (FPCore (x y) :precision binary64 (let* ((t_0 (cbrt (* 2.0 y)))) (/ 1.0 (log (exp (cos (* (/ x t_0) (pow t_0 -2.0))))))))
y = abs(y);
double code(double x, double y) {
double t_0 = cbrt((2.0 * y));
return 1.0 / log(exp(cos(((x / t_0) * pow(t_0, -2.0)))));
}
y = Math.abs(y);
public static double code(double x, double y) {
double t_0 = Math.cbrt((2.0 * y));
return 1.0 / Math.log(Math.exp(Math.cos(((x / t_0) * Math.pow(t_0, -2.0)))));
}
y = abs(y) function code(x, y) t_0 = cbrt(Float64(2.0 * y)) return Float64(1.0 / log(exp(cos(Float64(Float64(x / t_0) * (t_0 ^ -2.0)))))) end
NOTE: y should be positive before calling this function
code[x_, y_] := Block[{t$95$0 = N[Power[N[(2.0 * y), $MachinePrecision], 1/3], $MachinePrecision]}, N[(1.0 / N[Log[N[Exp[N[Cos[N[(N[(x / t$95$0), $MachinePrecision] * N[Power[t$95$0, -2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
y = |y|\\
\\
\begin{array}{l}
t_0 := \sqrt[3]{2 \cdot y}\\
\frac{1}{\log \left(e^{\cos \left(\frac{x}{t_0} \cdot {t_0}^{-2}\right)}\right)}
\end{array}
\end{array}
Initial program 42.1%
Taylor expanded in x around inf 53.8%
clear-num54.4%
un-div-inv54.4%
Applied egg-rr54.4%
div-inv54.4%
metadata-eval54.4%
clear-num53.8%
times-frac53.8%
*-un-lft-identity53.8%
*-commutative53.8%
add-sqr-sqrt26.5%
add-cube-cbrt26.4%
times-frac26.5%
pow226.5%
Applied egg-rr26.5%
associate-*l/26.6%
Simplified26.6%
add-log-exp26.6%
div-inv26.4%
associate-*r/26.6%
add-sqr-sqrt54.0%
*-commutative54.0%
pow-flip54.4%
*-commutative54.4%
metadata-eval54.4%
Applied egg-rr54.4%
Final simplification54.4%
NOTE: y should be positive before calling this function (FPCore (x y) :precision binary64 (let* ((t_0 (cbrt (* 2.0 y)))) (/ 1.0 (cos (* (/ x t_0) (pow t_0 -2.0))))))
y = abs(y);
double code(double x, double y) {
double t_0 = cbrt((2.0 * y));
return 1.0 / cos(((x / t_0) * pow(t_0, -2.0)));
}
y = Math.abs(y);
public static double code(double x, double y) {
double t_0 = Math.cbrt((2.0 * y));
return 1.0 / Math.cos(((x / t_0) * Math.pow(t_0, -2.0)));
}
y = abs(y) function code(x, y) t_0 = cbrt(Float64(2.0 * y)) return Float64(1.0 / cos(Float64(Float64(x / t_0) * (t_0 ^ -2.0)))) end
NOTE: y should be positive before calling this function
code[x_, y_] := Block[{t$95$0 = N[Power[N[(2.0 * y), $MachinePrecision], 1/3], $MachinePrecision]}, N[(1.0 / N[Cos[N[(N[(x / t$95$0), $MachinePrecision] * N[Power[t$95$0, -2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
y = |y|\\
\\
\begin{array}{l}
t_0 := \sqrt[3]{2 \cdot y}\\
\frac{1}{\cos \left(\frac{x}{t_0} \cdot {t_0}^{-2}\right)}
\end{array}
\end{array}
Initial program 42.1%
Taylor expanded in x around inf 53.8%
clear-num54.4%
un-div-inv54.4%
Applied egg-rr54.4%
div-inv54.4%
metadata-eval54.4%
clear-num53.8%
times-frac53.8%
*-un-lft-identity53.8%
*-commutative53.8%
add-sqr-sqrt26.5%
add-cube-cbrt26.4%
times-frac26.5%
pow226.5%
Applied egg-rr26.5%
associate-*l/26.6%
Simplified26.6%
expm1-log1p-u26.6%
expm1-udef26.6%
Applied egg-rr54.4%
expm1-def54.4%
expm1-log1p54.4%
*-commutative54.4%
Simplified54.4%
Final simplification54.4%
NOTE: y should be positive before calling this function (FPCore (x y) :precision binary64 (/ 1.0 (cos (/ 0.5 (/ y x)))))
y = abs(y);
double code(double x, double y) {
return 1.0 / cos((0.5 / (y / x)));
}
NOTE: y should be positive before calling this function
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 1.0d0 / cos((0.5d0 / (y / x)))
end function
y = Math.abs(y);
public static double code(double x, double y) {
return 1.0 / Math.cos((0.5 / (y / x)));
}
y = abs(y) def code(x, y): return 1.0 / math.cos((0.5 / (y / x)))
y = abs(y) function code(x, y) return Float64(1.0 / cos(Float64(0.5 / Float64(y / x)))) end
y = abs(y) function tmp = code(x, y) tmp = 1.0 / cos((0.5 / (y / x))); end
NOTE: y should be positive before calling this function code[x_, y_] := N[(1.0 / N[Cos[N[(0.5 / N[(y / x), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
y = |y|\\
\\
\frac{1}{\cos \left(\frac{0.5}{\frac{y}{x}}\right)}
\end{array}
Initial program 42.1%
Taylor expanded in x around inf 53.8%
clear-num54.4%
un-div-inv54.4%
Applied egg-rr54.4%
Final simplification54.4%
NOTE: y should be positive before calling this function (FPCore (x y) :precision binary64 1.0)
y = abs(y);
double code(double x, double y) {
return 1.0;
}
NOTE: y should be positive before calling this function
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 1.0d0
end function
y = Math.abs(y);
public static double code(double x, double y) {
return 1.0;
}
y = abs(y) def code(x, y): return 1.0
y = abs(y) function code(x, y) return 1.0 end
y = abs(y) function tmp = code(x, y) tmp = 1.0; end
NOTE: y should be positive before calling this function code[x_, y_] := 1.0
\begin{array}{l}
y = |y|\\
\\
1
\end{array}
Initial program 42.1%
Taylor expanded in x around 0 54.0%
Final simplification54.0%
(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 2023238
(FPCore (x y)
:name "Diagrams.TwoD.Layout.CirclePacking:approxRadius from diagrams-contrib-1.3.0.5"
:precision binary64
:herbie-target
(if (< y -1.2303690911306994e+114) 1.0 (if (< y -9.102852406811914e-222) (/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (log (exp (cos (/ x (* y 2.0))))))) 1.0))
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0)))))