
(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 (if (or (<= x -4.4e+14) (not (<= x 1.9e+31))) (* x (cos y)) (- x (* z (sin y)))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -4.4e+14) || !(x <= 1.9e+31)) {
tmp = x * cos(y);
} else {
tmp = x - (z * sin(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 ((x <= (-4.4d+14)) .or. (.not. (x <= 1.9d+31))) then
tmp = x * cos(y)
else
tmp = x - (z * sin(y))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -4.4e+14) || !(x <= 1.9e+31)) {
tmp = x * Math.cos(y);
} else {
tmp = x - (z * Math.sin(y));
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -4.4e+14) or not (x <= 1.9e+31): tmp = x * math.cos(y) else: tmp = x - (z * math.sin(y)) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -4.4e+14) || !(x <= 1.9e+31)) tmp = Float64(x * cos(y)); else tmp = Float64(x - Float64(z * sin(y))); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -4.4e+14) || ~((x <= 1.9e+31))) tmp = x * cos(y); else tmp = x - (z * sin(y)); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -4.4e+14], N[Not[LessEqual[x, 1.9e+31]], $MachinePrecision]], N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision], N[(x - N[(z * N[Sin[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -4.4 \cdot 10^{+14} \lor \neg \left(x \leq 1.9 \cdot 10^{+31}\right):\\
\;\;\;\;x \cdot \cos y\\
\mathbf{else}:\\
\;\;\;\;x - z \cdot \sin y\\
\end{array}
\end{array}
if x < -4.4e14 or 1.9000000000000001e31 < x Initial program 99.8%
Taylor expanded in x around inf 87.1%
if -4.4e14 < x < 1.9000000000000001e31Initial program 99.7%
Taylor expanded in y around 0 90.5%
Final simplification88.9%
(FPCore (x y z) :precision binary64 (if (or (<= x -1.25e-79) (not (<= x 1.8e-52))) (* x (cos y)) (* z (- (sin y)))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.25e-79) || !(x <= 1.8e-52)) {
tmp = x * cos(y);
} else {
tmp = z * -sin(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 ((x <= (-1.25d-79)) .or. (.not. (x <= 1.8d-52))) then
tmp = x * cos(y)
else
tmp = z * -sin(y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -1.25e-79) || !(x <= 1.8e-52)) {
tmp = x * Math.cos(y);
} else {
tmp = z * -Math.sin(y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.25e-79) or not (x <= 1.8e-52): tmp = x * math.cos(y) else: tmp = z * -math.sin(y) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.25e-79) || !(x <= 1.8e-52)) tmp = Float64(x * cos(y)); else tmp = Float64(z * Float64(-sin(y))); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -1.25e-79) || ~((x <= 1.8e-52))) tmp = x * cos(y); else tmp = z * -sin(y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.25e-79], N[Not[LessEqual[x, 1.8e-52]], $MachinePrecision]], N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision], N[(z * (-N[Sin[y], $MachinePrecision])), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.25 \cdot 10^{-79} \lor \neg \left(x \leq 1.8 \cdot 10^{-52}\right):\\
\;\;\;\;x \cdot \cos y\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(-\sin y\right)\\
\end{array}
\end{array}
if x < -1.25e-79 or 1.79999999999999994e-52 < x Initial program 99.8%
Taylor expanded in x around inf 82.6%
if -1.25e-79 < x < 1.79999999999999994e-52Initial program 99.8%
Taylor expanded in x around 0 76.2%
neg-mul-176.2%
*-commutative76.2%
distribute-rgt-neg-in76.2%
Simplified76.2%
Final simplification80.1%
(FPCore (x y z) :precision binary64 (if (or (<= y -0.016) (not (<= y 0.00028))) (* 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 <= -0.016) || !(y <= 0.00028)) {
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 <= (-0.016d0)) .or. (.not. (y <= 0.00028d0))) 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 <= -0.016) || !(y <= 0.00028)) {
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 <= -0.016) or not (y <= 0.00028): 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 <= -0.016) || !(y <= 0.00028)) 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 <= -0.016) || ~((y <= 0.00028))) 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, -0.016], N[Not[LessEqual[y, 0.00028]], $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 -0.016 \lor \neg \left(y \leq 0.00028\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 < -0.016 or 2.7999999999999998e-4 < y Initial program 99.6%
Taylor expanded in x around inf 53.1%
if -0.016 < y < 2.7999999999999998e-4Initial program 100.0%
Taylor expanded in y around 0 100.0%
Final simplification75.8%
(FPCore (x y z) :precision binary64 (if (<= x -7.2e-79) x (if (<= x 2.35e-52) (* y (- z)) x)))
double code(double x, double y, double z) {
double tmp;
if (x <= -7.2e-79) {
tmp = x;
} else if (x <= 2.35e-52) {
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 <= (-7.2d-79)) then
tmp = x
else if (x <= 2.35d-52) 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 <= -7.2e-79) {
tmp = x;
} else if (x <= 2.35e-52) {
tmp = y * -z;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -7.2e-79: tmp = x elif x <= 2.35e-52: tmp = y * -z else: tmp = x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -7.2e-79) tmp = x; elseif (x <= 2.35e-52) tmp = Float64(y * Float64(-z)); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -7.2e-79) tmp = x; elseif (x <= 2.35e-52) tmp = y * -z; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -7.2e-79], x, If[LessEqual[x, 2.35e-52], N[(y * (-z)), $MachinePrecision], x]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -7.2 \cdot 10^{-79}:\\
\;\;\;\;x\\
\mathbf{elif}\;x \leq 2.35 \cdot 10^{-52}:\\
\;\;\;\;y \cdot \left(-z\right)\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if x < -7.2000000000000005e-79 or 2.3499999999999999e-52 < x Initial program 99.8%
Taylor expanded in y around 0 49.1%
if -7.2000000000000005e-79 < x < 2.3499999999999999e-52Initial program 99.8%
Taylor expanded in x around 0 76.2%
neg-mul-176.2%
*-commutative76.2%
distribute-rgt-neg-in76.2%
Simplified76.2%
Taylor expanded in y around 0 34.6%
(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 51.8%
mul-1-neg51.8%
unsub-neg51.8%
*-commutative51.8%
Simplified51.8%
(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 37.8%
herbie shell --seed 2024136
(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))))