
(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 8 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 z (- (sin y)) (* x (cos y))))
double code(double x, double y, double z) {
return fma(z, -sin(y), (x * cos(y)));
}
function code(x, y, z) return fma(z, Float64(-sin(y)), Float64(x * cos(y))) end
code[x_, y_, z_] := N[(z * (-N[Sin[y], $MachinePrecision]) + N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(z, -\sin y, x \cdot \cos y\right)
\end{array}
Initial program 99.8%
cancel-sign-sub-inv99.8%
+-commutative99.8%
distribute-lft-neg-out99.8%
distribute-rgt-neg-in99.8%
sin-neg99.8%
fma-define99.8%
sin-neg99.8%
Simplified99.8%
(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))) (t_1 (* z (- (sin y)))))
(if (<= y -2.2e+158)
t_0
(if (<= y -0.13)
t_1
(if (<= y 0.098)
(+ x (* y (- (* y (+ (* x -0.5) (* 0.16666666666666666 (* z y)))) z)))
(if (or (<= y 2.25e+114) (not (<= y 4.5e+246))) t_0 t_1))))))
double code(double x, double y, double z) {
double t_0 = x * cos(y);
double t_1 = z * -sin(y);
double tmp;
if (y <= -2.2e+158) {
tmp = t_0;
} else if (y <= -0.13) {
tmp = t_1;
} else if (y <= 0.098) {
tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (z * y)))) - z));
} else if ((y <= 2.25e+114) || !(y <= 4.5e+246)) {
tmp = t_0;
} else {
tmp = t_1;
}
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) :: t_1
real(8) :: tmp
t_0 = x * cos(y)
t_1 = z * -sin(y)
if (y <= (-2.2d+158)) then
tmp = t_0
else if (y <= (-0.13d0)) then
tmp = t_1
else if (y <= 0.098d0) then
tmp = x + (y * ((y * ((x * (-0.5d0)) + (0.16666666666666666d0 * (z * y)))) - z))
else if ((y <= 2.25d+114) .or. (.not. (y <= 4.5d+246))) then
tmp = t_0
else
tmp = t_1
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = x * Math.cos(y);
double t_1 = z * -Math.sin(y);
double tmp;
if (y <= -2.2e+158) {
tmp = t_0;
} else if (y <= -0.13) {
tmp = t_1;
} else if (y <= 0.098) {
tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (z * y)))) - z));
} else if ((y <= 2.25e+114) || !(y <= 4.5e+246)) {
tmp = t_0;
} else {
tmp = t_1;
}
return tmp;
}
def code(x, y, z): t_0 = x * math.cos(y) t_1 = z * -math.sin(y) tmp = 0 if y <= -2.2e+158: tmp = t_0 elif y <= -0.13: tmp = t_1 elif y <= 0.098: tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (z * y)))) - z)) elif (y <= 2.25e+114) or not (y <= 4.5e+246): tmp = t_0 else: tmp = t_1 return tmp
function code(x, y, z) t_0 = Float64(x * cos(y)) t_1 = Float64(z * Float64(-sin(y))) tmp = 0.0 if (y <= -2.2e+158) tmp = t_0; elseif (y <= -0.13) tmp = t_1; elseif (y <= 0.098) tmp = Float64(x + Float64(y * Float64(Float64(y * Float64(Float64(x * -0.5) + Float64(0.16666666666666666 * Float64(z * y)))) - z))); elseif ((y <= 2.25e+114) || !(y <= 4.5e+246)) tmp = t_0; else tmp = t_1; end return tmp end
function tmp_2 = code(x, y, z) t_0 = x * cos(y); t_1 = z * -sin(y); tmp = 0.0; if (y <= -2.2e+158) tmp = t_0; elseif (y <= -0.13) tmp = t_1; elseif (y <= 0.098) tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (z * y)))) - z)); elseif ((y <= 2.25e+114) || ~((y <= 4.5e+246))) tmp = t_0; else tmp = t_1; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(z * (-N[Sin[y], $MachinePrecision])), $MachinePrecision]}, If[LessEqual[y, -2.2e+158], t$95$0, If[LessEqual[y, -0.13], t$95$1, If[LessEqual[y, 0.098], N[(x + N[(y * N[(N[(y * N[(N[(x * -0.5), $MachinePrecision] + N[(0.16666666666666666 * N[(z * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[Or[LessEqual[y, 2.25e+114], N[Not[LessEqual[y, 4.5e+246]], $MachinePrecision]], t$95$0, t$95$1]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \cos y\\
t_1 := z \cdot \left(-\sin y\right)\\
\mathbf{if}\;y \leq -2.2 \cdot 10^{+158}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -0.13:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;y \leq 0.098:\\
\;\;\;\;x + y \cdot \left(y \cdot \left(x \cdot -0.5 + 0.16666666666666666 \cdot \left(z \cdot y\right)\right) - z\right)\\
\mathbf{elif}\;y \leq 2.25 \cdot 10^{+114} \lor \neg \left(y \leq 4.5 \cdot 10^{+246}\right):\\
\;\;\;\;t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if y < -2.2000000000000001e158 or 0.098000000000000004 < y < 2.25e114 or 4.5e246 < y Initial program 99.7%
Taylor expanded in x around inf 64.9%
if -2.2000000000000001e158 < y < -0.13 or 2.25e114 < y < 4.5e246Initial program 99.7%
Taylor expanded in x around 0 64.4%
neg-mul-164.4%
distribute-rgt-neg-in64.4%
Simplified64.4%
if -0.13 < y < 0.098000000000000004Initial program 100.0%
Taylor expanded in y around 0 99.3%
Final simplification81.2%
(FPCore (x y z) :precision binary64 (if (or (<= z -1.8e-137) (not (<= z 4.8e-46))) (- x (* z (sin y))) (* x (cos y))))
double code(double x, double y, double z) {
double tmp;
if ((z <= -1.8e-137) || !(z <= 4.8e-46)) {
tmp = x - (z * sin(y));
} else {
tmp = x * cos(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 <= (-1.8d-137)) .or. (.not. (z <= 4.8d-46))) then
tmp = x - (z * sin(y))
else
tmp = x * cos(y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -1.8e-137) || !(z <= 4.8e-46)) {
tmp = x - (z * Math.sin(y));
} else {
tmp = x * Math.cos(y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -1.8e-137) or not (z <= 4.8e-46): tmp = x - (z * math.sin(y)) else: tmp = x * math.cos(y) return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -1.8e-137) || !(z <= 4.8e-46)) tmp = Float64(x - Float64(z * sin(y))); else tmp = Float64(x * cos(y)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -1.8e-137) || ~((z <= 4.8e-46))) tmp = x - (z * sin(y)); else tmp = x * cos(y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -1.8e-137], N[Not[LessEqual[z, 4.8e-46]], $MachinePrecision]], N[(x - N[(z * N[Sin[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1.8 \cdot 10^{-137} \lor \neg \left(z \leq 4.8 \cdot 10^{-46}\right):\\
\;\;\;\;x - z \cdot \sin y\\
\mathbf{else}:\\
\;\;\;\;x \cdot \cos y\\
\end{array}
\end{array}
if z < -1.80000000000000003e-137 or 4.80000000000000027e-46 < z Initial program 99.8%
Taylor expanded in y around 0 87.8%
if -1.80000000000000003e-137 < z < 4.80000000000000027e-46Initial program 99.8%
Taylor expanded in x around inf 86.9%
Final simplification87.5%
(FPCore (x y z) :precision binary64 (if (or (<= y -3700000.0) (not (<= y 0.066))) (* x (cos y)) (+ x (* y (- (* y (+ (* x -0.5) (* 0.16666666666666666 (* z y)))) z)))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -3700000.0) || !(y <= 0.066)) {
tmp = x * cos(y);
} else {
tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (z * 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 <= (-3700000.0d0)) .or. (.not. (y <= 0.066d0))) then
tmp = x * cos(y)
else
tmp = x + (y * ((y * ((x * (-0.5d0)) + (0.16666666666666666d0 * (z * y)))) - z))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -3700000.0) || !(y <= 0.066)) {
tmp = x * Math.cos(y);
} else {
tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (z * y)))) - z));
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -3700000.0) or not (y <= 0.066): tmp = x * math.cos(y) else: tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (z * y)))) - z)) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -3700000.0) || !(y <= 0.066)) tmp = Float64(x * cos(y)); else tmp = Float64(x + Float64(y * Float64(Float64(y * Float64(Float64(x * -0.5) + Float64(0.16666666666666666 * Float64(z * y)))) - z))); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -3700000.0) || ~((y <= 0.066))) tmp = x * cos(y); else tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (z * y)))) - z)); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -3700000.0], N[Not[LessEqual[y, 0.066]], $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[(z * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3700000 \lor \neg \left(y \leq 0.066\right):\\
\;\;\;\;x \cdot \cos y\\
\mathbf{else}:\\
\;\;\;\;x + y \cdot \left(y \cdot \left(x \cdot -0.5 + 0.16666666666666666 \cdot \left(z \cdot y\right)\right) - z\right)\\
\end{array}
\end{array}
if y < -3.7e6 or 0.066000000000000003 < y Initial program 99.7%
Taylor expanded in x around inf 52.4%
if -3.7e6 < y < 0.066000000000000003Initial program 100.0%
Taylor expanded in y around 0 97.2%
Final simplification74.3%
(FPCore (x y z) :precision binary64 (if (or (<= z -1.4e+211) (not (<= z 3.8e+158))) (* z (- y)) x))
double code(double x, double y, double z) {
double tmp;
if ((z <= -1.4e+211) || !(z <= 3.8e+158)) {
tmp = z * -y;
} 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 ((z <= (-1.4d+211)) .or. (.not. (z <= 3.8d+158))) then
tmp = z * -y
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -1.4e+211) || !(z <= 3.8e+158)) {
tmp = z * -y;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -1.4e+211) or not (z <= 3.8e+158): tmp = z * -y else: tmp = x return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -1.4e+211) || !(z <= 3.8e+158)) tmp = Float64(z * Float64(-y)); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -1.4e+211) || ~((z <= 3.8e+158))) tmp = z * -y; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -1.4e+211], N[Not[LessEqual[z, 3.8e+158]], $MachinePrecision]], N[(z * (-y)), $MachinePrecision], x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1.4 \cdot 10^{+211} \lor \neg \left(z \leq 3.8 \cdot 10^{+158}\right):\\
\;\;\;\;z \cdot \left(-y\right)\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if z < -1.4e211 or 3.7999999999999998e158 < z Initial program 99.9%
Taylor expanded in y around 0 53.2%
mul-1-neg53.2%
unsub-neg53.2%
Simplified53.2%
Taylor expanded in x around 0 43.8%
neg-mul-143.8%
distribute-lft-neg-in43.8%
Simplified43.8%
if -1.4e211 < z < 3.7999999999999998e158Initial program 99.8%
Taylor expanded in y around 0 47.7%
sub-neg47.7%
+-commutative47.7%
neg-mul-147.7%
neg-mul-147.7%
+-commutative47.7%
sub-neg47.7%
associate-*r*47.7%
*-commutative47.7%
Simplified47.7%
Taylor expanded in y around 0 37.2%
Final simplification38.5%
(FPCore (x y z) :precision binary64 (- x (* z y)))
double code(double x, double y, double z) {
return x - (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 = x - (z * y)
end function
public static double code(double x, double y, double z) {
return x - (z * y);
}
def code(x, y, z): return x - (z * y)
function code(x, y, z) return Float64(x - Float64(z * y)) end
function tmp = code(x, y, z) tmp = x - (z * y); end
code[x_, y_, z_] := N[(x - N[(z * y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x - z \cdot y
\end{array}
Initial program 99.8%
Taylor expanded in y around 0 49.9%
mul-1-neg49.9%
unsub-neg49.9%
Simplified49.9%
Final simplification49.9%
(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%
Taylor expanded in y around 0 48.8%
sub-neg48.8%
+-commutative48.8%
neg-mul-148.8%
neg-mul-148.8%
+-commutative48.8%
sub-neg48.8%
associate-*r*48.8%
*-commutative48.8%
Simplified48.8%
Taylor expanded in y around 0 31.6%
herbie shell --seed 2024088
(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))))