
(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 6 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 (sin y) z (* x (cos y))))
double code(double x, double y, double z) {
return fma(sin(y), z, (x * cos(y)));
}
function code(x, y, z) return fma(sin(y), z, Float64(x * cos(y))) end
code[x_, y_, z_] := N[(N[Sin[y], $MachinePrecision] * z + N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\sin y, z, x \cdot \cos 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 (sin y)))) (if (<= z -4.8e+133) t_0 (if (<= z 205000.0) (* x (cos y)) t_0))))
double code(double x, double y, double z) {
double t_0 = z * sin(y);
double tmp;
if (z <= -4.8e+133) {
tmp = t_0;
} else if (z <= 205000.0) {
tmp = x * cos(y);
} else {
tmp = t_0;
}
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) :: t_0
real(8) :: tmp
t_0 = z * sin(y)
if (z <= (-4.8d+133)) then
tmp = t_0
else if (z <= 205000.0d0) then
tmp = x * cos(y)
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = z * Math.sin(y);
double tmp;
if (z <= -4.8e+133) {
tmp = t_0;
} else if (z <= 205000.0) {
tmp = x * Math.cos(y);
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = z * math.sin(y) tmp = 0 if z <= -4.8e+133: tmp = t_0 elif z <= 205000.0: tmp = x * math.cos(y) else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(z * sin(y)) tmp = 0.0 if (z <= -4.8e+133) tmp = t_0; elseif (z <= 205000.0) tmp = Float64(x * cos(y)); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = z * sin(y); tmp = 0.0; if (z <= -4.8e+133) tmp = t_0; elseif (z <= 205000.0) tmp = x * cos(y); else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(z * N[Sin[y], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[z, -4.8e+133], t$95$0, If[LessEqual[z, 205000.0], N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := z \cdot \sin y\\
\mathbf{if}\;z \leq -4.8 \cdot 10^{+133}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;z \leq 205000:\\
\;\;\;\;x \cdot \cos y\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if z < -4.7999999999999997e133 or 205000 < z Initial program 99.8%
Taylor expanded in z around inf
*-commutativeN/A
lower-*.f64N/A
lower-sin.f6475.1
Applied rewrites75.1%
if -4.7999999999999997e133 < z < 205000Initial program 99.8%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
lower-cos.f6483.5
Applied rewrites83.5%
Final simplification80.2%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* x (cos y))))
(if (<= y -1620000.0)
t_0
(if (<= y 0.0052) (fma (fma (* x y) -0.5 z) y x) t_0))))
double code(double x, double y, double z) {
double t_0 = x * cos(y);
double tmp;
if (y <= -1620000.0) {
tmp = t_0;
} else if (y <= 0.0052) {
tmp = fma(fma((x * y), -0.5, 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 <= -1620000.0) tmp = t_0; elseif (y <= 0.0052) tmp = fma(fma(Float64(x * y), -0.5, 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, -1620000.0], t$95$0, If[LessEqual[y, 0.0052], N[(N[(N[(x * y), $MachinePrecision] * -0.5 + z), $MachinePrecision] * y + x), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \cos y\\
\mathbf{if}\;y \leq -1620000:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq 0.0052:\\
\;\;\;\;\mathsf{fma}\left(\mathsf{fma}\left(x \cdot y, -0.5, z\right), y, x\right)\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -1.62e6 or 0.0051999999999999998 < y Initial program 99.6%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
lower-cos.f6448.8
Applied rewrites48.8%
if -1.62e6 < y < 0.0051999999999999998Initial 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-*.f6499.3
Applied rewrites99.3%
Final simplification76.6%
(FPCore (x y z) :precision binary64 (if (<= z -9.5e+138) (* z y) (if (<= z 3.5e+86) (* 1.0 x) (* z y))))
double code(double x, double y, double z) {
double tmp;
if (z <= -9.5e+138) {
tmp = z * y;
} else if (z <= 3.5e+86) {
tmp = 1.0 * x;
} else {
tmp = z * y;
}
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 <= (-9.5d+138)) then
tmp = z * y
else if (z <= 3.5d+86) then
tmp = 1.0d0 * x
else
tmp = z * y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (z <= -9.5e+138) {
tmp = z * y;
} else if (z <= 3.5e+86) {
tmp = 1.0 * x;
} else {
tmp = z * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if z <= -9.5e+138: tmp = z * y elif z <= 3.5e+86: tmp = 1.0 * x else: tmp = z * y return tmp
function code(x, y, z) tmp = 0.0 if (z <= -9.5e+138) tmp = Float64(z * y); elseif (z <= 3.5e+86) tmp = Float64(1.0 * x); else tmp = Float64(z * y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (z <= -9.5e+138) tmp = z * y; elseif (z <= 3.5e+86) tmp = 1.0 * x; else tmp = z * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[z, -9.5e+138], N[(z * y), $MachinePrecision], If[LessEqual[z, 3.5e+86], N[(1.0 * x), $MachinePrecision], N[(z * y), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -9.5 \cdot 10^{+138}:\\
\;\;\;\;z \cdot y\\
\mathbf{elif}\;z \leq 3.5 \cdot 10^{+86}:\\
\;\;\;\;1 \cdot x\\
\mathbf{else}:\\
\;\;\;\;z \cdot y\\
\end{array}
\end{array}
if z < -9.49999999999999998e138 or 3.50000000000000019e86 < z Initial program 99.8%
Taylor expanded in y around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f6454.3
Applied rewrites54.3%
Taylor expanded in z around inf
Applied rewrites40.6%
if -9.49999999999999998e138 < z < 3.50000000000000019e86Initial program 99.8%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
lower-cos.f6480.1
Applied rewrites80.1%
Taylor expanded in y around 0
Applied rewrites54.4%
(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.f6456.7
Applied rewrites56.7%
(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.f6456.7
Applied rewrites56.7%
Taylor expanded in z around inf
Applied rewrites18.2%
herbie shell --seed 2024240
(FPCore (x y z)
:name "Diagrams.ThreeD.Transform:aboutY from diagrams-lib-1.3.0.3"
:precision binary64
(+ (* x (cos y)) (* z (sin y))))