
(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 (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), Float64(-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%
sub-neg99.8%
+-commutative99.8%
*-commutative99.8%
distribute-rgt-neg-in99.8%
fma-def99.8%
Applied egg-rr99.8%
Final simplification99.8%
(FPCore (x y z) :precision binary64 (- (* x (cos y)) (* (sin y) z)))
double code(double x, double y, double z) {
return (x * cos(y)) - (sin(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 * cos(y)) - (sin(y) * z)
end function
public static double code(double x, double y, double z) {
return (x * Math.cos(y)) - (Math.sin(y) * z);
}
def code(x, y, z): return (x * math.cos(y)) - (math.sin(y) * z)
function code(x, y, z) return Float64(Float64(x * cos(y)) - Float64(sin(y) * z)) end
function tmp = code(x, y, z) tmp = (x * cos(y)) - (sin(y) * z); end
code[x_, y_, z_] := N[(N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision] - N[(N[Sin[y], $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \cos y - \sin y \cdot z
\end{array}
Initial program 99.8%
Final simplification99.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -7.6e-49) (not (<= x 7.9e-150))) (* x (cos y)) (* (sin y) (- z))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -7.6e-49) || !(x <= 7.9e-150)) {
tmp = x * cos(y);
} else {
tmp = sin(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 ((x <= (-7.6d-49)) .or. (.not. (x <= 7.9d-150))) then
tmp = x * cos(y)
else
tmp = sin(y) * -z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -7.6e-49) || !(x <= 7.9e-150)) {
tmp = x * Math.cos(y);
} else {
tmp = Math.sin(y) * -z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -7.6e-49) or not (x <= 7.9e-150): tmp = x * math.cos(y) else: tmp = math.sin(y) * -z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -7.6e-49) || !(x <= 7.9e-150)) tmp = Float64(x * cos(y)); else tmp = Float64(sin(y) * Float64(-z)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -7.6e-49) || ~((x <= 7.9e-150))) tmp = x * cos(y); else tmp = sin(y) * -z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -7.6e-49], N[Not[LessEqual[x, 7.9e-150]], $MachinePrecision]], N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision], N[(N[Sin[y], $MachinePrecision] * (-z)), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -7.6 \cdot 10^{-49} \lor \neg \left(x \leq 7.9 \cdot 10^{-150}\right):\\
\;\;\;\;x \cdot \cos y\\
\mathbf{else}:\\
\;\;\;\;\sin y \cdot \left(-z\right)\\
\end{array}
\end{array}
if x < -7.5999999999999994e-49 or 7.9e-150 < x Initial program 99.8%
Taylor expanded in x around inf 85.7%
if -7.5999999999999994e-49 < x < 7.9e-150Initial program 99.7%
Taylor expanded in x around 0 72.6%
mul-1-neg72.6%
*-commutative72.6%
distribute-rgt-neg-in72.6%
Simplified72.6%
Final simplification81.2%
(FPCore (x y z) :precision binary64 (if (or (<= y -5.5e-5) (not (<= y 0.000112))) (* x (cos y)) (- x (* y z))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -5.5e-5) || !(y <= 0.000112)) {
tmp = x * cos(y);
} 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 <= (-5.5d-5)) .or. (.not. (y <= 0.000112d0))) then
tmp = x * cos(y)
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 <= -5.5e-5) || !(y <= 0.000112)) {
tmp = x * Math.cos(y);
} else {
tmp = x - (y * z);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -5.5e-5) or not (y <= 0.000112): tmp = x * math.cos(y) else: tmp = x - (y * z) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -5.5e-5) || !(y <= 0.000112)) tmp = Float64(x * cos(y)); else tmp = Float64(x - Float64(y * z)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -5.5e-5) || ~((y <= 0.000112))) tmp = x * cos(y); else tmp = x - (y * z); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -5.5e-5], N[Not[LessEqual[y, 0.000112]], $MachinePrecision]], N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision], N[(x - N[(y * z), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -5.5 \cdot 10^{-5} \lor \neg \left(y \leq 0.000112\right):\\
\;\;\;\;x \cdot \cos y\\
\mathbf{else}:\\
\;\;\;\;x - y \cdot z\\
\end{array}
\end{array}
if y < -5.5000000000000002e-5 or 1.11999999999999998e-4 < y Initial program 99.6%
Taylor expanded in x around inf 56.5%
if -5.5000000000000002e-5 < y < 1.11999999999999998e-4Initial program 100.0%
Taylor expanded in y around 0 100.0%
mul-1-neg100.0%
unsub-neg100.0%
Simplified100.0%
Final simplification78.6%
(FPCore (x y z) :precision binary64 (if (<= x -2.3e-139) x (if (<= x 7e-129) (* y (- z)) x)))
double code(double x, double y, double z) {
double tmp;
if (x <= -2.3e-139) {
tmp = x;
} else if (x <= 7e-129) {
tmp = y * -z;
} else {
tmp = 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 (x <= (-2.3d-139)) then
tmp = x
else if (x <= 7d-129) then
tmp = y * -z
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -2.3e-139) {
tmp = x;
} else if (x <= 7e-129) {
tmp = y * -z;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -2.3e-139: tmp = x elif x <= 7e-129: tmp = y * -z else: tmp = x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -2.3e-139) tmp = x; elseif (x <= 7e-129) tmp = Float64(y * Float64(-z)); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -2.3e-139) tmp = x; elseif (x <= 7e-129) tmp = y * -z; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -2.3e-139], x, If[LessEqual[x, 7e-129], N[(y * (-z)), $MachinePrecision], x]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.3 \cdot 10^{-139}:\\
\;\;\;\;x\\
\mathbf{elif}\;x \leq 7 \cdot 10^{-129}:\\
\;\;\;\;y \cdot \left(-z\right)\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if x < -2.30000000000000012e-139 or 6.9999999999999995e-129 < x Initial program 99.8%
sub-neg99.8%
+-commutative99.8%
*-commutative99.8%
distribute-rgt-neg-in99.8%
fma-def99.8%
Applied egg-rr99.8%
Taylor expanded in y around 0 51.7%
if -2.30000000000000012e-139 < x < 6.9999999999999995e-129Initial program 99.7%
Taylor expanded in y around 0 48.5%
mul-1-neg48.5%
unsub-neg48.5%
Simplified48.5%
Taylor expanded in x around 0 34.8%
associate-*r*34.8%
neg-mul-134.8%
Simplified34.8%
Final simplification47.1%
(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 53.9%
mul-1-neg53.9%
unsub-neg53.9%
Simplified53.9%
Final simplification53.9%
(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%
sub-neg99.8%
+-commutative99.8%
*-commutative99.8%
distribute-rgt-neg-in99.8%
fma-def99.8%
Applied egg-rr99.8%
Taylor expanded in y around 0 42.1%
Final simplification42.1%
herbie shell --seed 2024018
(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))))