
(FPCore (x y z) :precision binary64 (+ (* x (sin y)) (* z (cos y))))
double code(double x, double y, double z) {
return (x * sin(y)) + (z * cos(y));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * sin(y)) + (z * cos(y))
end function
public static double code(double x, double y, double z) {
return (x * Math.sin(y)) + (z * Math.cos(y));
}
def code(x, y, z): return (x * math.sin(y)) + (z * math.cos(y))
function code(x, y, z) return Float64(Float64(x * sin(y)) + Float64(z * cos(y))) end
function tmp = code(x, y, z) tmp = (x * sin(y)) + (z * cos(y)); end
code[x_, y_, z_] := N[(N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision] + N[(z * N[Cos[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \sin y + z \cdot \cos y
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 6 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (* x (sin y)) (* z (cos y))))
double code(double x, double y, double z) {
return (x * sin(y)) + (z * cos(y));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * sin(y)) + (z * cos(y))
end function
public static double code(double x, double y, double z) {
return (x * Math.sin(y)) + (z * Math.cos(y));
}
def code(x, y, z): return (x * math.sin(y)) + (z * math.cos(y))
function code(x, y, z) return Float64(Float64(x * sin(y)) + Float64(z * cos(y))) end
function tmp = code(x, y, z) tmp = (x * sin(y)) + (z * cos(y)); end
code[x_, y_, z_] := N[(N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision] + N[(z * N[Cos[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \sin y + z \cdot \cos y
\end{array}
(FPCore (x y z) :precision binary64 (fma (sin y) x (* z (cos y))))
double code(double x, double y, double z) {
return fma(sin(y), x, (z * cos(y)));
}
function code(x, y, z) return fma(sin(y), x, Float64(z * cos(y))) end
code[x_, y_, z_] := N[(N[Sin[y], $MachinePrecision] * x + N[(z * N[Cos[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\sin y, x, z \cdot \cos y\right)
\end{array}
Initial program 99.8%
lift-+.f64N/A
lift-*.f64N/A
*-commutativeN/A
lower-fma.f6499.9
lift-*.f64N/A
*-commutativeN/A
lower-*.f6499.9
Applied rewrites99.9%
Final simplification99.9%
(FPCore (x y z) :precision binary64 (fma (cos y) z (* x (sin y))))
double code(double x, double y, double z) {
return fma(cos(y), z, (x * sin(y)));
}
function code(x, y, z) return fma(cos(y), z, Float64(x * sin(y))) end
code[x_, y_, z_] := N[(N[Cos[y], $MachinePrecision] * z + N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\cos y, z, x \cdot \sin y\right)
\end{array}
Initial program 99.8%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
lower-fma.f6499.8
lift-*.f64N/A
*-commutativeN/A
lower-*.f6499.8
Applied rewrites99.8%
Final simplification99.8%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* z (cos y))))
(if (<= z -1.4e+148)
t_0
(if (<= z 1.6e+70) (fma 1.0 z (* x (sin y))) t_0))))
double code(double x, double y, double z) {
double t_0 = z * cos(y);
double tmp;
if (z <= -1.4e+148) {
tmp = t_0;
} else if (z <= 1.6e+70) {
tmp = fma(1.0, z, (x * sin(y)));
} else {
tmp = t_0;
}
return tmp;
}
function code(x, y, z) t_0 = Float64(z * cos(y)) tmp = 0.0 if (z <= -1.4e+148) tmp = t_0; elseif (z <= 1.6e+70) tmp = fma(1.0, z, Float64(x * sin(y))); else tmp = t_0; end return tmp end
code[x_, y_, z_] := Block[{t$95$0 = N[(z * N[Cos[y], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[z, -1.4e+148], t$95$0, If[LessEqual[z, 1.6e+70], N[(1.0 * z + N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := z \cdot \cos y\\
\mathbf{if}\;z \leq -1.4 \cdot 10^{+148}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;z \leq 1.6 \cdot 10^{+70}:\\
\;\;\;\;\mathsf{fma}\left(1, z, x \cdot \sin y\right)\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if z < -1.3999999999999999e148 or 1.6000000000000001e70 < z Initial program 99.9%
Taylor expanded in x around 0
*-commutativeN/A
lower-*.f64N/A
lower-cos.f6487.8
Applied rewrites87.8%
if -1.3999999999999999e148 < z < 1.6000000000000001e70Initial program 99.8%
Taylor expanded in y around 0
Applied rewrites88.6%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
lower-fma.f6488.6
Applied rewrites88.6%
Final simplification88.3%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* z (cos y))))
(if (<= y -3200000000000.0)
t_0
(if (<= y 26000.0)
(fma (fma (fma -0.16666666666666666 (* x y) (* -0.5 z)) y x) y z)
t_0))))
double code(double x, double y, double z) {
double t_0 = z * cos(y);
double tmp;
if (y <= -3200000000000.0) {
tmp = t_0;
} else if (y <= 26000.0) {
tmp = fma(fma(fma(-0.16666666666666666, (x * y), (-0.5 * z)), y, x), y, z);
} else {
tmp = t_0;
}
return tmp;
}
function code(x, y, z) t_0 = Float64(z * cos(y)) tmp = 0.0 if (y <= -3200000000000.0) tmp = t_0; elseif (y <= 26000.0) tmp = fma(fma(fma(-0.16666666666666666, Float64(x * y), Float64(-0.5 * z)), y, x), y, z); else tmp = t_0; end return tmp end
code[x_, y_, z_] := Block[{t$95$0 = N[(z * N[Cos[y], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[y, -3200000000000.0], t$95$0, If[LessEqual[y, 26000.0], N[(N[(N[(-0.16666666666666666 * N[(x * y), $MachinePrecision] + N[(-0.5 * z), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision] * y + z), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := z \cdot \cos y\\
\mathbf{if}\;y \leq -3200000000000:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq 26000:\\
\;\;\;\;\mathsf{fma}\left(\mathsf{fma}\left(\mathsf{fma}\left(-0.16666666666666666, x \cdot y, -0.5 \cdot z\right), y, x\right), y, z\right)\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -3.2e12 or 26000 < y Initial program 99.7%
Taylor expanded in x around 0
*-commutativeN/A
lower-*.f64N/A
lower-cos.f6446.6
Applied rewrites46.6%
if -3.2e12 < y < 26000Initial program 100.0%
Taylor expanded in y around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
lower-fma.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-*.f6498.0
Applied rewrites98.0%
Final simplification73.7%
(FPCore (x y z) :precision binary64 (fma y x z))
double code(double x, double y, double z) {
return fma(y, x, z);
}
function code(x, y, z) return fma(y, x, z) end
code[x_, y_, z_] := N[(y * x + z), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(y, x, z\right)
\end{array}
Initial program 99.8%
Taylor expanded in y around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f6454.1
Applied rewrites54.1%
(FPCore (x y z) :precision binary64 (* x y))
double code(double x, double y, double z) {
return x * y;
}
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
end function
public static double code(double x, double y, double z) {
return x * y;
}
def code(x, y, z): return x * y
function code(x, y, z) return Float64(x * y) end
function tmp = code(x, y, z) tmp = x * y; end
code[x_, y_, z_] := N[(x * y), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y
\end{array}
Initial program 99.8%
Taylor expanded in y around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f6454.1
Applied rewrites54.1%
Taylor expanded in x around inf
Applied rewrites18.0%
herbie shell --seed 2024298
(FPCore (x y z)
:name "Diagrams.ThreeD.Transform:aboutX from diagrams-lib-1.3.0.3, B"
:precision binary64
(+ (* x (sin y)) (* z (cos y))))