
(FPCore (x y z t a b) :precision binary64 (- (* (* 2.0 (sqrt x)) (cos (- y (/ (* z t) 3.0)))) (/ a (* b 3.0))))
double code(double x, double y, double z, double t, double a, double b) {
return ((2.0 * sqrt(x)) * cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0));
}
real(8) function code(x, y, z, t, a, b)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
code = ((2.0d0 * sqrt(x)) * cos((y - ((z * t) / 3.0d0)))) - (a / (b * 3.0d0))
end function
public static double code(double x, double y, double z, double t, double a, double b) {
return ((2.0 * Math.sqrt(x)) * Math.cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0));
}
def code(x, y, z, t, a, b): return ((2.0 * math.sqrt(x)) * math.cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0))
function code(x, y, z, t, a, b) return Float64(Float64(Float64(2.0 * sqrt(x)) * cos(Float64(y - Float64(Float64(z * t) / 3.0)))) - Float64(a / Float64(b * 3.0))) end
function tmp = code(x, y, z, t, a, b) tmp = ((2.0 * sqrt(x)) * cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0)); end
code[x_, y_, z_, t_, a_, b_] := N[(N[(N[(2.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * N[Cos[N[(y - N[(N[(z * t), $MachinePrecision] / 3.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] - N[(a / N[(b * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(2 \cdot \sqrt{x}\right) \cdot \cos \left(y - \frac{z \cdot t}{3}\right) - \frac{a}{b \cdot 3}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 9 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t a b) :precision binary64 (- (* (* 2.0 (sqrt x)) (cos (- y (/ (* z t) 3.0)))) (/ a (* b 3.0))))
double code(double x, double y, double z, double t, double a, double b) {
return ((2.0 * sqrt(x)) * cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0));
}
real(8) function code(x, y, z, t, a, b)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
code = ((2.0d0 * sqrt(x)) * cos((y - ((z * t) / 3.0d0)))) - (a / (b * 3.0d0))
end function
public static double code(double x, double y, double z, double t, double a, double b) {
return ((2.0 * Math.sqrt(x)) * Math.cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0));
}
def code(x, y, z, t, a, b): return ((2.0 * math.sqrt(x)) * math.cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0))
function code(x, y, z, t, a, b) return Float64(Float64(Float64(2.0 * sqrt(x)) * cos(Float64(y - Float64(Float64(z * t) / 3.0)))) - Float64(a / Float64(b * 3.0))) end
function tmp = code(x, y, z, t, a, b) tmp = ((2.0 * sqrt(x)) * cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0)); end
code[x_, y_, z_, t_, a_, b_] := N[(N[(N[(2.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * N[Cos[N[(y - N[(N[(z * t), $MachinePrecision] / 3.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] - N[(a / N[(b * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(2 \cdot \sqrt{x}\right) \cdot \cos \left(y - \frac{z \cdot t}{3}\right) - \frac{a}{b \cdot 3}
\end{array}
(FPCore (x y z t a b)
:precision binary64
(let* ((t_1 (/ a (* b -3.0))) (t_2 (* (sqrt x) 2.0)))
(if (<= (* t_2 (cos (- y (/ (* t z) 3.0)))) 5e+146)
(fma
(* (cos (* (* t z) -0.3333333333333333)) t_2)
(cos y)
(fma t_2 (* (sin y) (sin (* 0.3333333333333333 (* t z)))) t_1))
(fma (pow x 0.25) (* (* 1.0 2.0) (pow x 0.25)) t_1))))
double code(double x, double y, double z, double t, double a, double b) {
double t_1 = a / (b * -3.0);
double t_2 = sqrt(x) * 2.0;
double tmp;
if ((t_2 * cos((y - ((t * z) / 3.0)))) <= 5e+146) {
tmp = fma((cos(((t * z) * -0.3333333333333333)) * t_2), cos(y), fma(t_2, (sin(y) * sin((0.3333333333333333 * (t * z)))), t_1));
} else {
tmp = fma(pow(x, 0.25), ((1.0 * 2.0) * pow(x, 0.25)), t_1);
}
return tmp;
}
function code(x, y, z, t, a, b) t_1 = Float64(a / Float64(b * -3.0)) t_2 = Float64(sqrt(x) * 2.0) tmp = 0.0 if (Float64(t_2 * cos(Float64(y - Float64(Float64(t * z) / 3.0)))) <= 5e+146) tmp = fma(Float64(cos(Float64(Float64(t * z) * -0.3333333333333333)) * t_2), cos(y), fma(t_2, Float64(sin(y) * sin(Float64(0.3333333333333333 * Float64(t * z)))), t_1)); else tmp = fma((x ^ 0.25), Float64(Float64(1.0 * 2.0) * (x ^ 0.25)), t_1); end return tmp end
code[x_, y_, z_, t_, a_, b_] := Block[{t$95$1 = N[(a / N[(b * -3.0), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[Sqrt[x], $MachinePrecision] * 2.0), $MachinePrecision]}, If[LessEqual[N[(t$95$2 * N[Cos[N[(y - N[(N[(t * z), $MachinePrecision] / 3.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 5e+146], N[(N[(N[Cos[N[(N[(t * z), $MachinePrecision] * -0.3333333333333333), $MachinePrecision]], $MachinePrecision] * t$95$2), $MachinePrecision] * N[Cos[y], $MachinePrecision] + N[(t$95$2 * N[(N[Sin[y], $MachinePrecision] * N[Sin[N[(0.3333333333333333 * N[(t * z), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] + t$95$1), $MachinePrecision]), $MachinePrecision], N[(N[Power[x, 0.25], $MachinePrecision] * N[(N[(1.0 * 2.0), $MachinePrecision] * N[Power[x, 0.25], $MachinePrecision]), $MachinePrecision] + t$95$1), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{a}{b \cdot -3}\\
t_2 := \sqrt{x} \cdot 2\\
\mathbf{if}\;t\_2 \cdot \cos \left(y - \frac{t \cdot z}{3}\right) \leq 5 \cdot 10^{+146}:\\
\;\;\;\;\mathsf{fma}\left(\cos \left(\left(t \cdot z\right) \cdot -0.3333333333333333\right) \cdot t\_2, \cos y, \mathsf{fma}\left(t\_2, \sin y \cdot \sin \left(0.3333333333333333 \cdot \left(t \cdot z\right)\right), t\_1\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left({x}^{0.25}, \left(1 \cdot 2\right) \cdot {x}^{0.25}, t\_1\right)\\
\end{array}
\end{array}
if (*.f64 (*.f64 #s(literal 2 binary64) (sqrt.f64 x)) (cos.f64 (-.f64 y (/.f64 (*.f64 z t) #s(literal 3 binary64))))) < 4.9999999999999999e146Initial program 81.8%
Applied rewrites82.4%
if 4.9999999999999999e146 < (*.f64 (*.f64 #s(literal 2 binary64) (sqrt.f64 x)) (cos.f64 (-.f64 y (/.f64 (*.f64 z t) #s(literal 3 binary64))))) Initial program 18.4%
lift--.f64N/A
sub-negN/A
lift-*.f64N/A
lift-*.f64N/A
*-commutativeN/A
associate-*l*N/A
lift-sqrt.f64N/A
pow1/2N/A
sqr-powN/A
associate-*l*N/A
lower-fma.f64N/A
Applied rewrites18.4%
Taylor expanded in y around 0
lower-cos.f64N/A
lower-*.f64N/A
lower-*.f6418.4
Applied rewrites18.4%
Taylor expanded in z around 0
Applied rewrites66.4%
Final simplification80.0%
(FPCore (x y z t a b)
:precision binary64
(let* ((t_1 (* (sqrt x) 2.0)))
(if (<= (* t_1 (cos (- y (/ (* t z) 3.0)))) 5e+146)
(-
(*
(fma
(cos (* (* t z) -0.3333333333333333))
(cos y)
(* (sin y) (sin (* 0.3333333333333333 (* t z)))))
t_1)
(/ a (* b 3.0)))
(fma (pow x 0.25) (* (* 1.0 2.0) (pow x 0.25)) (/ a (* b -3.0))))))
double code(double x, double y, double z, double t, double a, double b) {
double t_1 = sqrt(x) * 2.0;
double tmp;
if ((t_1 * cos((y - ((t * z) / 3.0)))) <= 5e+146) {
tmp = (fma(cos(((t * z) * -0.3333333333333333)), cos(y), (sin(y) * sin((0.3333333333333333 * (t * z))))) * t_1) - (a / (b * 3.0));
} else {
tmp = fma(pow(x, 0.25), ((1.0 * 2.0) * pow(x, 0.25)), (a / (b * -3.0)));
}
return tmp;
}
function code(x, y, z, t, a, b) t_1 = Float64(sqrt(x) * 2.0) tmp = 0.0 if (Float64(t_1 * cos(Float64(y - Float64(Float64(t * z) / 3.0)))) <= 5e+146) tmp = Float64(Float64(fma(cos(Float64(Float64(t * z) * -0.3333333333333333)), cos(y), Float64(sin(y) * sin(Float64(0.3333333333333333 * Float64(t * z))))) * t_1) - Float64(a / Float64(b * 3.0))); else tmp = fma((x ^ 0.25), Float64(Float64(1.0 * 2.0) * (x ^ 0.25)), Float64(a / Float64(b * -3.0))); end return tmp end
code[x_, y_, z_, t_, a_, b_] := Block[{t$95$1 = N[(N[Sqrt[x], $MachinePrecision] * 2.0), $MachinePrecision]}, If[LessEqual[N[(t$95$1 * N[Cos[N[(y - N[(N[(t * z), $MachinePrecision] / 3.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 5e+146], N[(N[(N[(N[Cos[N[(N[(t * z), $MachinePrecision] * -0.3333333333333333), $MachinePrecision]], $MachinePrecision] * N[Cos[y], $MachinePrecision] + N[(N[Sin[y], $MachinePrecision] * N[Sin[N[(0.3333333333333333 * N[(t * z), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * t$95$1), $MachinePrecision] - N[(a / N[(b * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[Power[x, 0.25], $MachinePrecision] * N[(N[(1.0 * 2.0), $MachinePrecision] * N[Power[x, 0.25], $MachinePrecision]), $MachinePrecision] + N[(a / N[(b * -3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \sqrt{x} \cdot 2\\
\mathbf{if}\;t\_1 \cdot \cos \left(y - \frac{t \cdot z}{3}\right) \leq 5 \cdot 10^{+146}:\\
\;\;\;\;\mathsf{fma}\left(\cos \left(\left(t \cdot z\right) \cdot -0.3333333333333333\right), \cos y, \sin y \cdot \sin \left(0.3333333333333333 \cdot \left(t \cdot z\right)\right)\right) \cdot t\_1 - \frac{a}{b \cdot 3}\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left({x}^{0.25}, \left(1 \cdot 2\right) \cdot {x}^{0.25}, \frac{a}{b \cdot -3}\right)\\
\end{array}
\end{array}
if (*.f64 (*.f64 #s(literal 2 binary64) (sqrt.f64 x)) (cos.f64 (-.f64 y (/.f64 (*.f64 z t) #s(literal 3 binary64))))) < 4.9999999999999999e146Initial program 81.8%
lift-cos.f64N/A
lift--.f64N/A
cos-diffN/A
*-commutativeN/A
lower-fma.f64N/A
cos-negN/A
lower-cos.f64N/A
lift-/.f64N/A
clear-numN/A
associate-/r/N/A
distribute-lft-neg-inN/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
lower-*.f64N/A
metadata-evalN/A
metadata-evalN/A
lift-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-cos.f64N/A
Applied rewrites82.4%
if 4.9999999999999999e146 < (*.f64 (*.f64 #s(literal 2 binary64) (sqrt.f64 x)) (cos.f64 (-.f64 y (/.f64 (*.f64 z t) #s(literal 3 binary64))))) Initial program 18.4%
lift--.f64N/A
sub-negN/A
lift-*.f64N/A
lift-*.f64N/A
*-commutativeN/A
associate-*l*N/A
lift-sqrt.f64N/A
pow1/2N/A
sqr-powN/A
associate-*l*N/A
lower-fma.f64N/A
Applied rewrites18.4%
Taylor expanded in y around 0
lower-cos.f64N/A
lower-*.f64N/A
lower-*.f6418.4
Applied rewrites18.4%
Taylor expanded in z around 0
Applied rewrites66.4%
Final simplification80.0%
(FPCore (x y z t a b)
:precision binary64
(let* ((t_1 (/ a (* b 3.0))))
(if (<= t_1 -2e-8)
(/ a (* b -3.0))
(if (<= t_1 5e-111)
(* (cos (fma -0.3333333333333333 (* t z) y)) (* (sqrt x) 2.0))
(/ (/ a b) -3.0)))))
double code(double x, double y, double z, double t, double a, double b) {
double t_1 = a / (b * 3.0);
double tmp;
if (t_1 <= -2e-8) {
tmp = a / (b * -3.0);
} else if (t_1 <= 5e-111) {
tmp = cos(fma(-0.3333333333333333, (t * z), y)) * (sqrt(x) * 2.0);
} else {
tmp = (a / b) / -3.0;
}
return tmp;
}
function code(x, y, z, t, a, b) t_1 = Float64(a / Float64(b * 3.0)) tmp = 0.0 if (t_1 <= -2e-8) tmp = Float64(a / Float64(b * -3.0)); elseif (t_1 <= 5e-111) tmp = Float64(cos(fma(-0.3333333333333333, Float64(t * z), y)) * Float64(sqrt(x) * 2.0)); else tmp = Float64(Float64(a / b) / -3.0); end return tmp end
code[x_, y_, z_, t_, a_, b_] := Block[{t$95$1 = N[(a / N[(b * 3.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -2e-8], N[(a / N[(b * -3.0), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, 5e-111], N[(N[Cos[N[(-0.3333333333333333 * N[(t * z), $MachinePrecision] + y), $MachinePrecision]], $MachinePrecision] * N[(N[Sqrt[x], $MachinePrecision] * 2.0), $MachinePrecision]), $MachinePrecision], N[(N[(a / b), $MachinePrecision] / -3.0), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{a}{b \cdot 3}\\
\mathbf{if}\;t\_1 \leq -2 \cdot 10^{-8}:\\
\;\;\;\;\frac{a}{b \cdot -3}\\
\mathbf{elif}\;t\_1 \leq 5 \cdot 10^{-111}:\\
\;\;\;\;\cos \left(\mathsf{fma}\left(-0.3333333333333333, t \cdot z, y\right)\right) \cdot \left(\sqrt{x} \cdot 2\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{\frac{a}{b}}{-3}\\
\end{array}
\end{array}
if (/.f64 a (*.f64 b #s(literal 3 binary64))) < -2e-8Initial program 83.2%
Taylor expanded in a around inf
lower-*.f64N/A
lower-/.f6486.8
Applied rewrites86.8%
Applied rewrites88.1%
if -2e-8 < (/.f64 a (*.f64 b #s(literal 3 binary64))) < 5.0000000000000003e-111Initial program 60.5%
Taylor expanded in x around -inf
Applied rewrites58.5%
if 5.0000000000000003e-111 < (/.f64 a (*.f64 b #s(literal 3 binary64))) Initial program 78.5%
Taylor expanded in a around inf
lower-*.f64N/A
lower-/.f6474.6
Applied rewrites74.6%
Applied rewrites74.7%
Final simplification71.5%
(FPCore (x y z t a b) :precision binary64 (fma (* (sqrt x) 2.0) (cos y) (/ (* a -0.3333333333333333) b)))
double code(double x, double y, double z, double t, double a, double b) {
return fma((sqrt(x) * 2.0), cos(y), ((a * -0.3333333333333333) / b));
}
function code(x, y, z, t, a, b) return fma(Float64(sqrt(x) * 2.0), cos(y), Float64(Float64(a * -0.3333333333333333) / b)) end
code[x_, y_, z_, t_, a_, b_] := N[(N[(N[Sqrt[x], $MachinePrecision] * 2.0), $MachinePrecision] * N[Cos[y], $MachinePrecision] + N[(N[(a * -0.3333333333333333), $MachinePrecision] / b), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\sqrt{x} \cdot 2, \cos y, \frac{a \cdot -0.3333333333333333}{b}\right)
\end{array}
Initial program 72.4%
Taylor expanded in z around 0
lower-cos.f6478.2
Applied rewrites78.2%
lift--.f64N/A
sub-negN/A
lift-*.f64N/A
lift-/.f64N/A
distribute-neg-frac2N/A
lift-*.f64N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
lift-*.f64N/A
lift-/.f64N/A
lower-fma.f6478.2
lift-*.f64N/A
*-commutativeN/A
lower-*.f6478.2
lift-/.f64N/A
clear-numN/A
associate-/r/N/A
Applied rewrites78.1%
lift-*.f64N/A
lift-/.f64N/A
associate-*l/N/A
*-commutativeN/A
metadata-evalN/A
div-invN/A
lower-/.f64N/A
div-invN/A
metadata-evalN/A
lower-*.f6478.2
Applied rewrites78.2%
(FPCore (x y z t a b) :precision binary64 (fma (* (sqrt x) 2.0) (cos y) (* (/ -0.3333333333333333 b) a)))
double code(double x, double y, double z, double t, double a, double b) {
return fma((sqrt(x) * 2.0), cos(y), ((-0.3333333333333333 / b) * a));
}
function code(x, y, z, t, a, b) return fma(Float64(sqrt(x) * 2.0), cos(y), Float64(Float64(-0.3333333333333333 / b) * a)) end
code[x_, y_, z_, t_, a_, b_] := N[(N[(N[Sqrt[x], $MachinePrecision] * 2.0), $MachinePrecision] * N[Cos[y], $MachinePrecision] + N[(N[(-0.3333333333333333 / b), $MachinePrecision] * a), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\sqrt{x} \cdot 2, \cos y, \frac{-0.3333333333333333}{b} \cdot a\right)
\end{array}
Initial program 72.4%
Taylor expanded in z around 0
lower-cos.f6478.2
Applied rewrites78.2%
lift--.f64N/A
sub-negN/A
lift-*.f64N/A
lift-/.f64N/A
distribute-neg-frac2N/A
lift-*.f64N/A
*-commutativeN/A
distribute-lft-neg-inN/A
metadata-evalN/A
lift-*.f64N/A
lift-/.f64N/A
lower-fma.f6478.2
lift-*.f64N/A
*-commutativeN/A
lower-*.f6478.2
lift-/.f64N/A
clear-numN/A
associate-/r/N/A
Applied rewrites78.1%
(FPCore (x y z t a b) :precision binary64 (fma (* (cos y) 2.0) (sqrt x) (* (/ a b) -0.3333333333333333)))
double code(double x, double y, double z, double t, double a, double b) {
return fma((cos(y) * 2.0), sqrt(x), ((a / b) * -0.3333333333333333));
}
function code(x, y, z, t, a, b) return fma(Float64(cos(y) * 2.0), sqrt(x), Float64(Float64(a / b) * -0.3333333333333333)) end
code[x_, y_, z_, t_, a_, b_] := N[(N[(N[Cos[y], $MachinePrecision] * 2.0), $MachinePrecision] * N[Sqrt[x], $MachinePrecision] + N[(N[(a / b), $MachinePrecision] * -0.3333333333333333), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\cos y \cdot 2, \sqrt{x}, \frac{a}{b} \cdot -0.3333333333333333\right)
\end{array}
Initial program 72.4%
Taylor expanded in z around 0
cancel-sign-sub-invN/A
*-commutativeN/A
associate-*r*N/A
metadata-evalN/A
lower-fma.f64N/A
lower-*.f64N/A
lower-cos.f64N/A
lower-sqrt.f64N/A
lower-*.f64N/A
lower-/.f6477.9
Applied rewrites77.9%
Final simplification77.9%
(FPCore (x y z t a b) :precision binary64 (/ a (* b -3.0)))
double code(double x, double y, double z, double t, double a, double b) {
return a / (b * -3.0);
}
real(8) function code(x, y, z, t, a, b)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
code = a / (b * (-3.0d0))
end function
public static double code(double x, double y, double z, double t, double a, double b) {
return a / (b * -3.0);
}
def code(x, y, z, t, a, b): return a / (b * -3.0)
function code(x, y, z, t, a, b) return Float64(a / Float64(b * -3.0)) end
function tmp = code(x, y, z, t, a, b) tmp = a / (b * -3.0); end
code[x_, y_, z_, t_, a_, b_] := N[(a / N[(b * -3.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{a}{b \cdot -3}
\end{array}
Initial program 72.4%
Taylor expanded in a around inf
lower-*.f64N/A
lower-/.f6450.0
Applied rewrites50.0%
Applied rewrites50.3%
Final simplification50.3%
(FPCore (x y z t a b) :precision binary64 (* (/ -0.3333333333333333 b) a))
double code(double x, double y, double z, double t, double a, double b) {
return (-0.3333333333333333 / b) * a;
}
real(8) function code(x, y, z, t, a, b)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
code = ((-0.3333333333333333d0) / b) * a
end function
public static double code(double x, double y, double z, double t, double a, double b) {
return (-0.3333333333333333 / b) * a;
}
def code(x, y, z, t, a, b): return (-0.3333333333333333 / b) * a
function code(x, y, z, t, a, b) return Float64(Float64(-0.3333333333333333 / b) * a) end
function tmp = code(x, y, z, t, a, b) tmp = (-0.3333333333333333 / b) * a; end
code[x_, y_, z_, t_, a_, b_] := N[(N[(-0.3333333333333333 / b), $MachinePrecision] * a), $MachinePrecision]
\begin{array}{l}
\\
\frac{-0.3333333333333333}{b} \cdot a
\end{array}
Initial program 72.4%
Taylor expanded in a around inf
lower-*.f64N/A
lower-/.f6450.0
Applied rewrites50.0%
Applied rewrites50.3%
(FPCore (x y z t a b) :precision binary64 (* (/ a b) -0.3333333333333333))
double code(double x, double y, double z, double t, double a, double b) {
return (a / b) * -0.3333333333333333;
}
real(8) function code(x, y, z, t, a, b)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
code = (a / b) * (-0.3333333333333333d0)
end function
public static double code(double x, double y, double z, double t, double a, double b) {
return (a / b) * -0.3333333333333333;
}
def code(x, y, z, t, a, b): return (a / b) * -0.3333333333333333
function code(x, y, z, t, a, b) return Float64(Float64(a / b) * -0.3333333333333333) end
function tmp = code(x, y, z, t, a, b) tmp = (a / b) * -0.3333333333333333; end
code[x_, y_, z_, t_, a_, b_] := N[(N[(a / b), $MachinePrecision] * -0.3333333333333333), $MachinePrecision]
\begin{array}{l}
\\
\frac{a}{b} \cdot -0.3333333333333333
\end{array}
Initial program 72.4%
Taylor expanded in a around inf
lower-*.f64N/A
lower-/.f6450.0
Applied rewrites50.0%
Final simplification50.0%
(FPCore (x y z t a b)
:precision binary64
(let* ((t_1 (/ (/ 0.3333333333333333 z) t))
(t_2 (/ (/ a 3.0) b))
(t_3 (* 2.0 (sqrt x))))
(if (< z -1.3793337487235141e+129)
(- (* t_3 (cos (- (/ 1.0 y) t_1))) t_2)
(if (< z 3.516290613555987e+106)
(- (* (* (sqrt x) 2.0) (cos (- y (* (/ t 3.0) z)))) t_2)
(- (* (cos (- y t_1)) t_3) (/ (/ a b) 3.0))))))
double code(double x, double y, double z, double t, double a, double b) {
double t_1 = (0.3333333333333333 / z) / t;
double t_2 = (a / 3.0) / b;
double t_3 = 2.0 * sqrt(x);
double tmp;
if (z < -1.3793337487235141e+129) {
tmp = (t_3 * cos(((1.0 / y) - t_1))) - t_2;
} else if (z < 3.516290613555987e+106) {
tmp = ((sqrt(x) * 2.0) * cos((y - ((t / 3.0) * z)))) - t_2;
} else {
tmp = (cos((y - t_1)) * t_3) - ((a / b) / 3.0);
}
return tmp;
}
real(8) function code(x, y, z, t, a, b)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8) :: t_1
real(8) :: t_2
real(8) :: t_3
real(8) :: tmp
t_1 = (0.3333333333333333d0 / z) / t
t_2 = (a / 3.0d0) / b
t_3 = 2.0d0 * sqrt(x)
if (z < (-1.3793337487235141d+129)) then
tmp = (t_3 * cos(((1.0d0 / y) - t_1))) - t_2
else if (z < 3.516290613555987d+106) then
tmp = ((sqrt(x) * 2.0d0) * cos((y - ((t / 3.0d0) * z)))) - t_2
else
tmp = (cos((y - t_1)) * t_3) - ((a / b) / 3.0d0)
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
double t_1 = (0.3333333333333333 / z) / t;
double t_2 = (a / 3.0) / b;
double t_3 = 2.0 * Math.sqrt(x);
double tmp;
if (z < -1.3793337487235141e+129) {
tmp = (t_3 * Math.cos(((1.0 / y) - t_1))) - t_2;
} else if (z < 3.516290613555987e+106) {
tmp = ((Math.sqrt(x) * 2.0) * Math.cos((y - ((t / 3.0) * z)))) - t_2;
} else {
tmp = (Math.cos((y - t_1)) * t_3) - ((a / b) / 3.0);
}
return tmp;
}
def code(x, y, z, t, a, b): t_1 = (0.3333333333333333 / z) / t t_2 = (a / 3.0) / b t_3 = 2.0 * math.sqrt(x) tmp = 0 if z < -1.3793337487235141e+129: tmp = (t_3 * math.cos(((1.0 / y) - t_1))) - t_2 elif z < 3.516290613555987e+106: tmp = ((math.sqrt(x) * 2.0) * math.cos((y - ((t / 3.0) * z)))) - t_2 else: tmp = (math.cos((y - t_1)) * t_3) - ((a / b) / 3.0) return tmp
function code(x, y, z, t, a, b) t_1 = Float64(Float64(0.3333333333333333 / z) / t) t_2 = Float64(Float64(a / 3.0) / b) t_3 = Float64(2.0 * sqrt(x)) tmp = 0.0 if (z < -1.3793337487235141e+129) tmp = Float64(Float64(t_3 * cos(Float64(Float64(1.0 / y) - t_1))) - t_2); elseif (z < 3.516290613555987e+106) tmp = Float64(Float64(Float64(sqrt(x) * 2.0) * cos(Float64(y - Float64(Float64(t / 3.0) * z)))) - t_2); else tmp = Float64(Float64(cos(Float64(y - t_1)) * t_3) - Float64(Float64(a / b) / 3.0)); end return tmp end
function tmp_2 = code(x, y, z, t, a, b) t_1 = (0.3333333333333333 / z) / t; t_2 = (a / 3.0) / b; t_3 = 2.0 * sqrt(x); tmp = 0.0; if (z < -1.3793337487235141e+129) tmp = (t_3 * cos(((1.0 / y) - t_1))) - t_2; elseif (z < 3.516290613555987e+106) tmp = ((sqrt(x) * 2.0) * cos((y - ((t / 3.0) * z)))) - t_2; else tmp = (cos((y - t_1)) * t_3) - ((a / b) / 3.0); end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_, b_] := Block[{t$95$1 = N[(N[(0.3333333333333333 / z), $MachinePrecision] / t), $MachinePrecision]}, Block[{t$95$2 = N[(N[(a / 3.0), $MachinePrecision] / b), $MachinePrecision]}, Block[{t$95$3 = N[(2.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision]}, If[Less[z, -1.3793337487235141e+129], N[(N[(t$95$3 * N[Cos[N[(N[(1.0 / y), $MachinePrecision] - t$95$1), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] - t$95$2), $MachinePrecision], If[Less[z, 3.516290613555987e+106], N[(N[(N[(N[Sqrt[x], $MachinePrecision] * 2.0), $MachinePrecision] * N[Cos[N[(y - N[(N[(t / 3.0), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] - t$95$2), $MachinePrecision], N[(N[(N[Cos[N[(y - t$95$1), $MachinePrecision]], $MachinePrecision] * t$95$3), $MachinePrecision] - N[(N[(a / b), $MachinePrecision] / 3.0), $MachinePrecision]), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{\frac{0.3333333333333333}{z}}{t}\\
t_2 := \frac{\frac{a}{3}}{b}\\
t_3 := 2 \cdot \sqrt{x}\\
\mathbf{if}\;z < -1.3793337487235141 \cdot 10^{+129}:\\
\;\;\;\;t\_3 \cdot \cos \left(\frac{1}{y} - t\_1\right) - t\_2\\
\mathbf{elif}\;z < 3.516290613555987 \cdot 10^{+106}:\\
\;\;\;\;\left(\sqrt{x} \cdot 2\right) \cdot \cos \left(y - \frac{t}{3} \cdot z\right) - t\_2\\
\mathbf{else}:\\
\;\;\;\;\cos \left(y - t\_1\right) \cdot t\_3 - \frac{\frac{a}{b}}{3}\\
\end{array}
\end{array}
herbie shell --seed 2024332
(FPCore (x y z t a b)
:name "Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, K"
:precision binary64
:alt
(! :herbie-platform default (if (< z -1379333748723514100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (- (* (* 2 (sqrt x)) (cos (- (/ 1 y) (/ (/ 3333333333333333/10000000000000000 z) t)))) (/ (/ a 3) b)) (if (< z 35162906135559870000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (- (* (* (sqrt x) 2) (cos (- y (* (/ t 3) z)))) (/ (/ a 3) b)) (- (* (cos (- y (/ (/ 3333333333333333/10000000000000000 z) t))) (* 2 (sqrt x))) (/ (/ a b) 3)))))
(- (* (* 2.0 (sqrt x)) (cos (- y (/ (* z t) 3.0)))) (/ a (* b 3.0))))