
(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 4 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}
(FPCore (x y) :precision binary64 (let* ((t_0 (/ x (* y 2.0))) (t_1 (/ (tan t_0) (sin t_0)))) (if (<= t_1 1.65) t_1 1.0)))
double code(double x, double y) {
double t_0 = x / (y * 2.0);
double t_1 = tan(t_0) / sin(t_0);
double tmp;
if (t_1 <= 1.65) {
tmp = t_1;
} 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 = tan(t_0) / sin(t_0)
if (t_1 <= 1.65d0) then
tmp = t_1
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.tan(t_0) / Math.sin(t_0);
double tmp;
if (t_1 <= 1.65) {
tmp = t_1;
} else {
tmp = 1.0;
}
return tmp;
}
def code(x, y): t_0 = x / (y * 2.0) t_1 = math.tan(t_0) / math.sin(t_0) tmp = 0 if t_1 <= 1.65: tmp = t_1 else: tmp = 1.0 return tmp
function code(x, y) t_0 = Float64(x / Float64(y * 2.0)) t_1 = Float64(tan(t_0) / sin(t_0)) tmp = 0.0 if (t_1 <= 1.65) tmp = t_1; else tmp = 1.0; end return tmp end
function tmp_2 = code(x, y) t_0 = x / (y * 2.0); t_1 = tan(t_0) / sin(t_0); tmp = 0.0; if (t_1 <= 1.65) tmp = t_1; 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[(N[Tan[t$95$0], $MachinePrecision] / N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, 1.65], t$95$1, 1.0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x}{y \cdot 2}\\
t_1 := \frac{\tan t\_0}{\sin t\_0}\\
\mathbf{if}\;t\_1 \leq 1.65:\\
\;\;\;\;t\_1\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 (tan.f64 (/.f64 x (*.f64 y #s(literal 2 binary64)))) (sin.f64 (/.f64 x (*.f64 y #s(literal 2 binary64))))) < 1.6499999999999999Initial program 66.1%
if 1.6499999999999999 < (/.f64 (tan.f64 (/.f64 x (*.f64 y #s(literal 2 binary64)))) (sin.f64 (/.f64 x (*.f64 y #s(literal 2 binary64))))) Initial program 2.8%
Taylor expanded in x around 0
Applied rewrites45.6%
(FPCore (x y) :precision binary64 (let* ((t_0 (/ x (* y 2.0)))) (if (<= (/ (tan t_0) (sin t_0)) 1.65) (/ 1.0 (cos t_0)) 1.0)))
double code(double x, double y) {
double t_0 = x / (y * 2.0);
double tmp;
if ((tan(t_0) / sin(t_0)) <= 1.65) {
tmp = 1.0 / 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) :: tmp
t_0 = x / (y * 2.0d0)
if ((tan(t_0) / sin(t_0)) <= 1.65d0) then
tmp = 1.0d0 / 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 tmp;
if ((Math.tan(t_0) / Math.sin(t_0)) <= 1.65) {
tmp = 1.0 / Math.cos(t_0);
} else {
tmp = 1.0;
}
return tmp;
}
def code(x, y): t_0 = x / (y * 2.0) tmp = 0 if (math.tan(t_0) / math.sin(t_0)) <= 1.65: tmp = 1.0 / math.cos(t_0) else: tmp = 1.0 return tmp
function code(x, y) t_0 = Float64(x / Float64(y * 2.0)) tmp = 0.0 if (Float64(tan(t_0) / sin(t_0)) <= 1.65) tmp = Float64(1.0 / cos(t_0)); else tmp = 1.0; end return tmp end
function tmp_2 = code(x, y) t_0 = x / (y * 2.0); tmp = 0.0; if ((tan(t_0) / sin(t_0)) <= 1.65) tmp = 1.0 / 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]}, If[LessEqual[N[(N[Tan[t$95$0], $MachinePrecision] / N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision], 1.65], N[(1.0 / N[Cos[t$95$0], $MachinePrecision]), $MachinePrecision], 1.0]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x}{y \cdot 2}\\
\mathbf{if}\;\frac{\tan t\_0}{\sin t\_0} \leq 1.65:\\
\;\;\;\;\frac{1}{\cos t\_0}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 (tan.f64 (/.f64 x (*.f64 y #s(literal 2 binary64)))) (sin.f64 (/.f64 x (*.f64 y #s(literal 2 binary64))))) < 1.6499999999999999Initial program 66.1%
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.f6466.1
Applied rewrites66.1%
if 1.6499999999999999 < (/.f64 (tan.f64 (/.f64 x (*.f64 y #s(literal 2 binary64)))) (sin.f64 (/.f64 x (*.f64 y #s(literal 2 binary64))))) Initial program 2.8%
Taylor expanded in x around 0
Applied rewrites45.6%
(FPCore (x y) :precision binary64 (let* ((t_0 (/ x (* y 2.0)))) (if (<= (/ (tan t_0) (sin t_0)) 1.65) (/ 1.0 (cos (* x (/ 0.5 y)))) 1.0)))
double code(double x, double y) {
double t_0 = x / (y * 2.0);
double tmp;
if ((tan(t_0) / sin(t_0)) <= 1.65) {
tmp = 1.0 / cos((x * (0.5 / y)));
} 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) :: tmp
t_0 = x / (y * 2.0d0)
if ((tan(t_0) / sin(t_0)) <= 1.65d0) then
tmp = 1.0d0 / cos((x * (0.5d0 / y)))
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 tmp;
if ((Math.tan(t_0) / Math.sin(t_0)) <= 1.65) {
tmp = 1.0 / Math.cos((x * (0.5 / y)));
} else {
tmp = 1.0;
}
return tmp;
}
def code(x, y): t_0 = x / (y * 2.0) tmp = 0 if (math.tan(t_0) / math.sin(t_0)) <= 1.65: tmp = 1.0 / math.cos((x * (0.5 / y))) else: tmp = 1.0 return tmp
function code(x, y) t_0 = Float64(x / Float64(y * 2.0)) tmp = 0.0 if (Float64(tan(t_0) / sin(t_0)) <= 1.65) tmp = Float64(1.0 / cos(Float64(x * Float64(0.5 / y)))); else tmp = 1.0; end return tmp end
function tmp_2 = code(x, y) t_0 = x / (y * 2.0); tmp = 0.0; if ((tan(t_0) / sin(t_0)) <= 1.65) tmp = 1.0 / cos((x * (0.5 / y))); else tmp = 1.0; end tmp_2 = tmp; end
code[x_, y_] := Block[{t$95$0 = N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(N[Tan[t$95$0], $MachinePrecision] / N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision], 1.65], N[(1.0 / N[Cos[N[(x * N[(0.5 / y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x}{y \cdot 2}\\
\mathbf{if}\;\frac{\tan t\_0}{\sin t\_0} \leq 1.65:\\
\;\;\;\;\frac{1}{\cos \left(x \cdot \frac{0.5}{y}\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 (tan.f64 (/.f64 x (*.f64 y #s(literal 2 binary64)))) (sin.f64 (/.f64 x (*.f64 y #s(literal 2 binary64))))) < 1.6499999999999999Initial program 66.1%
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.f6466.1
Applied rewrites66.1%
lift-/.f64N/A
clear-numN/A
associate-/r/N/A
inv-powN/A
exp-to-powN/A
lift-log.f64N/A
*-commutativeN/A
lift-*.f64N/A
lower-*.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-log.f64N/A
exp-to-powN/A
inv-powN/A
lift-*.f64N/A
*-commutativeN/A
associate-/r*N/A
metadata-evalN/A
metadata-evalN/A
lower-/.f64N/A
metadata-eval65.5
Applied rewrites65.5%
if 1.6499999999999999 < (/.f64 (tan.f64 (/.f64 x (*.f64 y #s(literal 2 binary64)))) (sin.f64 (/.f64 x (*.f64 y #s(literal 2 binary64))))) Initial program 2.8%
Taylor expanded in x around 0
Applied rewrites45.6%
Final simplification58.9%
(FPCore (x y) :precision binary64 1.0)
double code(double x, double y) {
return 1.0;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 1.0d0
end function
public static double code(double x, double y) {
return 1.0;
}
def code(x, y): return 1.0
function code(x, y) return 1.0 end
function tmp = code(x, y) tmp = 1.0; end
code[x_, y_] := 1.0
\begin{array}{l}
\\
1
\end{array}
Initial program 45.1%
Taylor expanded in x around 0
Applied rewrites56.4%
(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 2024219
(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)))))