
(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 (- (* 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}
Initial program 99.8%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* x (cos y))))
(if (<= y -0.13)
t_0
(if (<= y 0.046)
(+ x (* y (- (* y (+ (* x -0.5) (* 0.16666666666666666 (* y z)))) z)))
(if (<= y 5e+65) (* z (- (sin y))) t_0)))))
double code(double x, double y, double z) {
double t_0 = x * cos(y);
double tmp;
if (y <= -0.13) {
tmp = t_0;
} else if (y <= 0.046) {
tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - z));
} else if (y <= 5e+65) {
tmp = z * -sin(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 = x * cos(y)
if (y <= (-0.13d0)) then
tmp = t_0
else if (y <= 0.046d0) then
tmp = x + (y * ((y * ((x * (-0.5d0)) + (0.16666666666666666d0 * (y * z)))) - z))
else if (y <= 5d+65) then
tmp = z * -sin(y)
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = x * Math.cos(y);
double tmp;
if (y <= -0.13) {
tmp = t_0;
} else if (y <= 0.046) {
tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - z));
} else if (y <= 5e+65) {
tmp = z * -Math.sin(y);
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = x * math.cos(y) tmp = 0 if y <= -0.13: tmp = t_0 elif y <= 0.046: tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - z)) elif y <= 5e+65: tmp = z * -math.sin(y) else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(x * cos(y)) tmp = 0.0 if (y <= -0.13) tmp = t_0; elseif (y <= 0.046) tmp = Float64(x + Float64(y * Float64(Float64(y * Float64(Float64(x * -0.5) + Float64(0.16666666666666666 * Float64(y * z)))) - z))); elseif (y <= 5e+65) tmp = Float64(z * Float64(-sin(y))); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = x * cos(y); tmp = 0.0; if (y <= -0.13) tmp = t_0; elseif (y <= 0.046) tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - z)); elseif (y <= 5e+65) tmp = z * -sin(y); else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[y, -0.13], t$95$0, If[LessEqual[y, 0.046], N[(x + N[(y * N[(N[(y * N[(N[(x * -0.5), $MachinePrecision] + N[(0.16666666666666666 * N[(y * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 5e+65], N[(z * (-N[Sin[y], $MachinePrecision])), $MachinePrecision], t$95$0]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \cos y\\
\mathbf{if}\;y \leq -0.13:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq 0.046:\\
\;\;\;\;x + y \cdot \left(y \cdot \left(x \cdot -0.5 + 0.16666666666666666 \cdot \left(y \cdot z\right)\right) - z\right)\\
\mathbf{elif}\;y \leq 5 \cdot 10^{+65}:\\
\;\;\;\;z \cdot \left(-\sin y\right)\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -0.13 or 4.99999999999999973e65 < y Initial program 99.7%
Taylor expanded in x around inf 61.5%
if -0.13 < y < 0.045999999999999999Initial program 100.0%
Taylor expanded in y around 0 99.8%
if 0.045999999999999999 < y < 4.99999999999999973e65Initial program 99.7%
Taylor expanded in x around 0 65.5%
associate-*r*65.5%
neg-mul-165.5%
Simplified65.5%
Final simplification81.2%
(FPCore (x y z) :precision binary64 (if (or (<= y -0.125) (not (<= y 4.5e-24))) (* x (cos y)) (+ x (* y (- (* y (+ (* x -0.5) (* 0.16666666666666666 (* y z)))) z)))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -0.125) || !(y <= 4.5e-24)) {
tmp = x * cos(y);
} else {
tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - 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 <= (-0.125d0)) .or. (.not. (y <= 4.5d-24))) then
tmp = x * cos(y)
else
tmp = x + (y * ((y * ((x * (-0.5d0)) + (0.16666666666666666d0 * (y * z)))) - z))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -0.125) || !(y <= 4.5e-24)) {
tmp = x * Math.cos(y);
} else {
tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - z));
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -0.125) or not (y <= 4.5e-24): tmp = x * math.cos(y) else: tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - z)) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -0.125) || !(y <= 4.5e-24)) tmp = Float64(x * cos(y)); else tmp = Float64(x + Float64(y * Float64(Float64(y * Float64(Float64(x * -0.5) + Float64(0.16666666666666666 * Float64(y * z)))) - z))); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -0.125) || ~((y <= 4.5e-24))) tmp = x * cos(y); else tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - z)); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -0.125], N[Not[LessEqual[y, 4.5e-24]], $MachinePrecision]], N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision], N[(x + N[(y * N[(N[(y * N[(N[(x * -0.5), $MachinePrecision] + N[(0.16666666666666666 * N[(y * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -0.125 \lor \neg \left(y \leq 4.5 \cdot 10^{-24}\right):\\
\;\;\;\;x \cdot \cos y\\
\mathbf{else}:\\
\;\;\;\;x + y \cdot \left(y \cdot \left(x \cdot -0.5 + 0.16666666666666666 \cdot \left(y \cdot z\right)\right) - z\right)\\
\end{array}
\end{array}
if y < -0.125 or 4.4999999999999997e-24 < y Initial program 99.7%
Taylor expanded in x around inf 59.4%
if -0.125 < y < 4.4999999999999997e-24Initial program 100.0%
Taylor expanded in y around 0 100.0%
Final simplification79.4%
(FPCore (x y z) :precision binary64 (if (<= z 1.35e+188) x (* y (- z))))
double code(double x, double y, double z) {
double tmp;
if (z <= 1.35e+188) {
tmp = x;
} else {
tmp = 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 (z <= 1.35d+188) then
tmp = x
else
tmp = y * -z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (z <= 1.35e+188) {
tmp = x;
} else {
tmp = y * -z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if z <= 1.35e+188: tmp = x else: tmp = y * -z return tmp
function code(x, y, z) tmp = 0.0 if (z <= 1.35e+188) tmp = x; else tmp = Float64(y * Float64(-z)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (z <= 1.35e+188) tmp = x; else tmp = y * -z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[z, 1.35e+188], x, N[(y * (-z)), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq 1.35 \cdot 10^{+188}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(-z\right)\\
\end{array}
\end{array}
if z < 1.35e188Initial program 99.8%
Taylor expanded in y around 0 43.4%
if 1.35e188 < z Initial program 100.0%
Taylor expanded in y around 0 49.9%
mul-1-neg49.9%
unsub-neg49.9%
*-commutative49.9%
Simplified49.9%
Taylor expanded in x around 0 38.8%
mul-1-neg38.8%
distribute-rgt-neg-out38.8%
Simplified38.8%
(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 53.1%
mul-1-neg53.1%
unsub-neg53.1%
*-commutative53.1%
Simplified53.1%
Final simplification53.1%
(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%
Taylor expanded in y around 0 40.3%
herbie shell --seed 2024145
(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))))