
(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 (cos y) x (* (sin y) (- z))))
double code(double x, double y, double z) {
return fma(cos(y), x, (sin(y) * -z));
}
function code(x, y, z) return fma(cos(y), x, Float64(sin(y) * Float64(-z))) end
code[x_, y_, z_] := N[(N[Cos[y], $MachinePrecision] * x + N[(N[Sin[y], $MachinePrecision] * (-z)), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\cos y, x, \sin y \cdot \left(-z\right)\right)
\end{array}
Initial program 99.8%
*-commutative99.8%
fma-neg99.8%
distribute-rgt-neg-in99.8%
Applied egg-rr99.8%
Final simplification99.8%
(FPCore (x y z) :precision binary64 (- (* (cos y) x) (* z (sin y))))
double code(double x, double y, double z) {
return (cos(y) * x) - (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 = (cos(y) * x) - (z * sin(y))
end function
public static double code(double x, double y, double z) {
return (Math.cos(y) * x) - (z * Math.sin(y));
}
def code(x, y, z): return (math.cos(y) * x) - (z * math.sin(y))
function code(x, y, z) return Float64(Float64(cos(y) * x) - Float64(z * sin(y))) end
function tmp = code(x, y, z) tmp = (cos(y) * x) - (z * sin(y)); end
code[x_, y_, z_] := N[(N[(N[Cos[y], $MachinePrecision] * x), $MachinePrecision] - N[(z * N[Sin[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\cos y \cdot x - z \cdot \sin y
\end{array}
Initial program 99.8%
Final simplification99.8%
(FPCore (x y z) :precision binary64 (if (or (<= z -4.2e-7) (not (<= z 6.8e+155))) (* (sin y) (- z)) (* (cos y) x)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -4.2e-7) || !(z <= 6.8e+155)) {
tmp = sin(y) * -z;
} else {
tmp = cos(y) * 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 <= (-4.2d-7)) .or. (.not. (z <= 6.8d+155))) then
tmp = sin(y) * -z
else
tmp = cos(y) * x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -4.2e-7) || !(z <= 6.8e+155)) {
tmp = Math.sin(y) * -z;
} else {
tmp = Math.cos(y) * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -4.2e-7) or not (z <= 6.8e+155): tmp = math.sin(y) * -z else: tmp = math.cos(y) * x return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -4.2e-7) || !(z <= 6.8e+155)) tmp = Float64(sin(y) * Float64(-z)); else tmp = Float64(cos(y) * x); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -4.2e-7) || ~((z <= 6.8e+155))) tmp = sin(y) * -z; else tmp = cos(y) * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -4.2e-7], N[Not[LessEqual[z, 6.8e+155]], $MachinePrecision]], N[(N[Sin[y], $MachinePrecision] * (-z)), $MachinePrecision], N[(N[Cos[y], $MachinePrecision] * x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -4.2 \cdot 10^{-7} \lor \neg \left(z \leq 6.8 \cdot 10^{+155}\right):\\
\;\;\;\;\sin y \cdot \left(-z\right)\\
\mathbf{else}:\\
\;\;\;\;\cos y \cdot x\\
\end{array}
\end{array}
if z < -4.2e-7 or 6.8000000000000002e155 < z Initial program 99.9%
Taylor expanded in x around 0 78.5%
mul-1-neg78.5%
*-commutative78.5%
distribute-rgt-neg-in78.5%
Simplified78.5%
if -4.2e-7 < z < 6.8000000000000002e155Initial program 99.8%
Taylor expanded in x around inf 79.3%
Final simplification79.1%
(FPCore (x y z) :precision binary64 (if (or (<= y -0.00028) (not (<= y 5e-9))) (* (cos y) x) (- x (* y z))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -0.00028) || !(y <= 5e-9)) {
tmp = cos(y) * x;
} else {
tmp = x - (y * z);
}
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 ((y <= (-0.00028d0)) .or. (.not. (y <= 5d-9))) then
tmp = cos(y) * x
else
tmp = x - (y * z)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -0.00028) || !(y <= 5e-9)) {
tmp = Math.cos(y) * x;
} else {
tmp = x - (y * z);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -0.00028) or not (y <= 5e-9): tmp = math.cos(y) * x else: tmp = x - (y * z) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -0.00028) || !(y <= 5e-9)) tmp = Float64(cos(y) * x); else tmp = Float64(x - Float64(y * z)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -0.00028) || ~((y <= 5e-9))) tmp = cos(y) * x; else tmp = x - (y * z); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -0.00028], N[Not[LessEqual[y, 5e-9]], $MachinePrecision]], N[(N[Cos[y], $MachinePrecision] * x), $MachinePrecision], N[(x - N[(y * z), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -0.00028 \lor \neg \left(y \leq 5 \cdot 10^{-9}\right):\\
\;\;\;\;\cos y \cdot x\\
\mathbf{else}:\\
\;\;\;\;x - y \cdot z\\
\end{array}
\end{array}
if y < -2.7999999999999998e-4 or 5.0000000000000001e-9 < y Initial program 99.7%
Taylor expanded in x around inf 53.7%
if -2.7999999999999998e-4 < y < 5.0000000000000001e-9Initial program 100.0%
Taylor expanded in y around 0 99.9%
mul-1-neg99.9%
unsub-neg99.9%
Simplified99.9%
Final simplification78.0%
(FPCore (x y z) :precision binary64 (- x (* y z)))
double code(double x, double y, double z) {
return x - (y * z);
}
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 * z)
end function
public static double code(double x, double y, double z) {
return x - (y * z);
}
def code(x, y, z): return x - (y * z)
function code(x, y, z) return Float64(x - Float64(y * z)) end
function tmp = code(x, y, z) tmp = x - (y * z); end
code[x_, y_, z_] := N[(x - N[(y * z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x - y \cdot z
\end{array}
Initial program 99.8%
Taylor expanded in y around 0 56.0%
mul-1-neg56.0%
unsub-neg56.0%
Simplified56.0%
Final simplification56.0%
(FPCore (x y z) :precision binary64 x)
double code(double x, double y, double z) {
return x;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x
end function
public static double code(double x, double y, double z) {
return x;
}
def code(x, y, z): return x
function code(x, y, z) return x end
function tmp = code(x, y, z) tmp = x; end
code[x_, y_, z_] := x
\begin{array}{l}
\\
x
\end{array}
Initial program 99.8%
*-commutative99.8%
fma-neg99.8%
distribute-rgt-neg-in99.8%
Applied egg-rr99.8%
Taylor expanded in y around 0 40.8%
Final simplification40.8%
herbie shell --seed 2024024
(FPCore (x y z)
:name "Diagrams.ThreeD.Transform:aboutX from diagrams-lib-1.3.0.3, A"
:precision binary64
(- (* x (cos y)) (* z (sin y))))