
(FPCore (x y z) :precision binary64 (+ (* x (cos y)) (* z (sin y))))
double code(double x, double y, double z) {
return (x * cos(y)) + (z * sin(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 * cos(y)) + (z * sin(y))
end function
public static double code(double x, double y, double z) {
return (x * Math.cos(y)) + (z * Math.sin(y));
}
def code(x, y, z): return (x * math.cos(y)) + (z * math.sin(y))
function code(x, y, z) return Float64(Float64(x * cos(y)) + Float64(z * sin(y))) end
function tmp = code(x, y, z) tmp = (x * cos(y)) + (z * sin(y)); end
code[x_, y_, z_] := N[(N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision] + N[(z * N[Sin[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \cos y + z \cdot \sin y
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (* x (cos y)) (* z (sin y))))
double code(double x, double y, double z) {
return (x * cos(y)) + (z * sin(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 * cos(y)) + (z * sin(y))
end function
public static double code(double x, double y, double z) {
return (x * Math.cos(y)) + (z * Math.sin(y));
}
def code(x, y, z): return (x * math.cos(y)) + (z * math.sin(y))
function code(x, y, z) return Float64(Float64(x * cos(y)) + Float64(z * sin(y))) end
function tmp = code(x, y, z) tmp = (x * cos(y)) + (z * sin(y)); end
code[x_, y_, z_] := N[(N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision] + N[(z * N[Sin[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \cos y + z \cdot \sin y
\end{array}
(FPCore (x y z) :precision binary64 (fma (cos y) x (* z (sin y))))
double code(double x, double y, double z) {
return fma(cos(y), x, (z * sin(y)));
}
function code(x, y, z) return fma(cos(y), x, Float64(z * sin(y))) end
code[x_, y_, z_] := N[(N[Cos[y], $MachinePrecision] * x + N[(z * N[Sin[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\cos y, x, z \cdot \sin y\right)
\end{array}
Initial program 99.8%
lift-+.f64N/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 (* x (cos y))))
(if (<= y -3.8e+230)
(* z (sin y))
(if (<= y -1.35e-5) t_0 (if (<= y 2e-9) (fma z y x) t_0)))))
double code(double x, double y, double z) {
double t_0 = x * cos(y);
double tmp;
if (y <= -3.8e+230) {
tmp = z * sin(y);
} else if (y <= -1.35e-5) {
tmp = t_0;
} else if (y <= 2e-9) {
tmp = fma(z, y, x);
} else {
tmp = t_0;
}
return tmp;
}
function code(x, y, z) t_0 = Float64(x * cos(y)) tmp = 0.0 if (y <= -3.8e+230) tmp = Float64(z * sin(y)); elseif (y <= -1.35e-5) tmp = t_0; elseif (y <= 2e-9) tmp = fma(z, y, x); else tmp = t_0; end return tmp end
code[x_, y_, z_] := Block[{t$95$0 = N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[y, -3.8e+230], N[(z * N[Sin[y], $MachinePrecision]), $MachinePrecision], If[LessEqual[y, -1.35e-5], t$95$0, If[LessEqual[y, 2e-9], N[(z * y + x), $MachinePrecision], t$95$0]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \cos y\\
\mathbf{if}\;y \leq -3.8 \cdot 10^{+230}:\\
\;\;\;\;z \cdot \sin y\\
\mathbf{elif}\;y \leq -1.35 \cdot 10^{-5}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq 2 \cdot 10^{-9}:\\
\;\;\;\;\mathsf{fma}\left(z, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -3.8e230Initial program 99.8%
Taylor expanded in z around inf
*-commutativeN/A
lower-*.f64N/A
lower-sin.f6470.0
Applied rewrites70.0%
if -3.8e230 < y < -1.3499999999999999e-5 or 2.00000000000000012e-9 < y Initial program 99.7%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
lower-cos.f6459.1
Applied rewrites59.1%
if -1.3499999999999999e-5 < y < 2.00000000000000012e-9Initial program 100.0%
Taylor expanded in y around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64100.0
Applied rewrites100.0%
Final simplification79.6%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* x (cos y))))
(if (<= x -1.05e+25)
t_0
(if (<= x 2.4e+120) (fma 1.0 x (* z (sin y))) t_0))))
double code(double x, double y, double z) {
double t_0 = x * cos(y);
double tmp;
if (x <= -1.05e+25) {
tmp = t_0;
} else if (x <= 2.4e+120) {
tmp = fma(1.0, x, (z * sin(y)));
} else {
tmp = t_0;
}
return tmp;
}
function code(x, y, z) t_0 = Float64(x * cos(y)) tmp = 0.0 if (x <= -1.05e+25) tmp = t_0; elseif (x <= 2.4e+120) tmp = fma(1.0, x, Float64(z * sin(y))); else tmp = t_0; end return tmp end
code[x_, y_, z_] := Block[{t$95$0 = N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[x, -1.05e+25], t$95$0, If[LessEqual[x, 2.4e+120], N[(1.0 * x + N[(z * N[Sin[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \cos y\\
\mathbf{if}\;x \leq -1.05 \cdot 10^{+25}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;x \leq 2.4 \cdot 10^{+120}:\\
\;\;\;\;\mathsf{fma}\left(1, x, z \cdot \sin y\right)\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if x < -1.05e25 or 2.40000000000000001e120 < x Initial program 99.8%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
lower-cos.f6491.2
Applied rewrites91.2%
if -1.05e25 < x < 2.40000000000000001e120Initial program 99.8%
lift-+.f64N/A
lift-*.f64N/A
*-commutativeN/A
lower-fma.f6499.8
lift-*.f64N/A
*-commutativeN/A
lower-*.f6499.8
Applied rewrites99.8%
Taylor expanded in y around 0
Applied rewrites83.7%
Final simplification86.7%
(FPCore (x y z) :precision binary64 (let* ((t_0 (* x (cos y)))) (if (<= y -1.35e-5) t_0 (if (<= y 2e-9) (fma z y x) t_0))))
double code(double x, double y, double z) {
double t_0 = x * cos(y);
double tmp;
if (y <= -1.35e-5) {
tmp = t_0;
} else if (y <= 2e-9) {
tmp = fma(z, y, x);
} else {
tmp = t_0;
}
return tmp;
}
function code(x, y, z) t_0 = Float64(x * cos(y)) tmp = 0.0 if (y <= -1.35e-5) tmp = t_0; elseif (y <= 2e-9) tmp = fma(z, y, x); else tmp = t_0; end return tmp end
code[x_, y_, z_] := Block[{t$95$0 = N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[y, -1.35e-5], t$95$0, If[LessEqual[y, 2e-9], N[(z * y + x), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \cos y\\
\mathbf{if}\;y \leq -1.35 \cdot 10^{-5}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq 2 \cdot 10^{-9}:\\
\;\;\;\;\mathsf{fma}\left(z, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -1.3499999999999999e-5 or 2.00000000000000012e-9 < y Initial program 99.7%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
lower-cos.f6456.6
Applied rewrites56.6%
if -1.3499999999999999e-5 < y < 2.00000000000000012e-9Initial program 100.0%
Taylor expanded in y around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64100.0
Applied rewrites100.0%
Final simplification77.8%
(FPCore (x y z) :precision binary64 (if (<= z -4.8e+25) (* z y) (* 1.0 x)))
double code(double x, double y, double z) {
double tmp;
if (z <= -4.8e+25) {
tmp = z * y;
} else {
tmp = 1.0 * x;
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if (z <= (-4.8d+25)) then
tmp = z * y
else
tmp = 1.0d0 * x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (z <= -4.8e+25) {
tmp = z * y;
} else {
tmp = 1.0 * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if z <= -4.8e+25: tmp = z * y else: tmp = 1.0 * x return tmp
function code(x, y, z) tmp = 0.0 if (z <= -4.8e+25) tmp = Float64(z * y); else tmp = Float64(1.0 * x); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (z <= -4.8e+25) tmp = z * y; else tmp = 1.0 * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[z, -4.8e+25], N[(z * y), $MachinePrecision], N[(1.0 * x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -4.8 \cdot 10^{+25}:\\
\;\;\;\;z \cdot y\\
\mathbf{else}:\\
\;\;\;\;1 \cdot x\\
\end{array}
\end{array}
if z < -4.79999999999999992e25Initial program 99.9%
Taylor expanded in y around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f6451.5
Applied rewrites51.5%
Taylor expanded in z around inf
Applied rewrites38.8%
if -4.79999999999999992e25 < z Initial program 99.8%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
lower-cos.f6471.8
Applied rewrites71.8%
Taylor expanded in y around 0
Applied rewrites44.4%
(FPCore (x y z) :precision binary64 (fma z y x))
double code(double x, double y, double z) {
return fma(z, y, x);
}
function code(x, y, z) return fma(z, y, x) end
code[x_, y_, z_] := N[(z * y + x), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(z, y, x\right)
\end{array}
Initial program 99.8%
Taylor expanded in y around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f6452.4
Applied rewrites52.4%
(FPCore (x y z) :precision binary64 (* z y))
double code(double x, double y, double z) {
return z * y;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z * y
end function
public static double code(double x, double y, double z) {
return z * y;
}
def code(x, y, z): return z * y
function code(x, y, z) return Float64(z * y) end
function tmp = code(x, y, z) tmp = z * y; end
code[x_, y_, z_] := N[(z * y), $MachinePrecision]
\begin{array}{l}
\\
z \cdot y
\end{array}
Initial program 99.8%
Taylor expanded in y around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f6452.4
Applied rewrites52.4%
Taylor expanded in z around inf
Applied rewrites18.2%
herbie shell --seed 2024235
(FPCore (x y z)
:name "Diagrams.ThreeD.Transform:aboutY from diagrams-lib-1.3.0.3"
:precision binary64
(+ (* x (cos y)) (* z (sin y))))