
(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 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 (<= y -0.055) (not (<= y 0.032))) (* z (- (sin y))) (+ x (* y (- (* y (+ (* x -0.5) (* 0.16666666666666666 (* z y)))) z)))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -0.055) || !(y <= 0.032)) {
tmp = z * -sin(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 <= (-0.055d0)) .or. (.not. (y <= 0.032d0))) then
tmp = z * -sin(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 <= -0.055) || !(y <= 0.032)) {
tmp = z * -Math.sin(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 <= -0.055) or not (y <= 0.032): tmp = z * -math.sin(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 <= -0.055) || !(y <= 0.032)) tmp = Float64(z * Float64(-sin(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 <= -0.055) || ~((y <= 0.032))) tmp = z * -sin(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, -0.055], N[Not[LessEqual[y, 0.032]], $MachinePrecision]], N[(z * (-N[Sin[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 -0.055 \lor \neg \left(y \leq 0.032\right):\\
\;\;\;\;z \cdot \left(-\sin y\right)\\
\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 < -0.0550000000000000003 or 0.032000000000000001 < y Initial program 99.7%
Taylor expanded in x around 0 59.0%
neg-mul-159.0%
*-commutative59.0%
distribute-rgt-neg-in59.0%
Simplified59.0%
if -0.0550000000000000003 < y < 0.032000000000000001Initial program 100.0%
Taylor expanded in y around 0 99.4%
Final simplification79.4%
(FPCore (x y z) :precision binary64 (if (or (<= y -0.0245) (not (<= y 0.86))) (* 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 <= -0.0245) || !(y <= 0.86)) {
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 <= (-0.0245d0)) .or. (.not. (y <= 0.86d0))) 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 <= -0.0245) || !(y <= 0.86)) {
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 <= -0.0245) or not (y <= 0.86): 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 <= -0.0245) || !(y <= 0.86)) 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 <= -0.0245) || ~((y <= 0.86))) 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, -0.0245], N[Not[LessEqual[y, 0.86]], $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 -0.0245 \lor \neg \left(y \leq 0.86\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 < -0.024500000000000001 or 0.859999999999999987 < y Initial program 99.7%
Taylor expanded in x around inf 44.3%
if -0.024500000000000001 < y < 0.859999999999999987Initial program 100.0%
Taylor expanded in y around 0 99.3%
Final simplification72.0%
(FPCore (x y z) :precision binary64 (if (or (<= z -5.2e+188) (not (<= z 1.6e+164))) (* z (- y)) x))
double code(double x, double y, double z) {
double tmp;
if ((z <= -5.2e+188) || !(z <= 1.6e+164)) {
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 <= (-5.2d+188)) .or. (.not. (z <= 1.6d+164))) 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 <= -5.2e+188) || !(z <= 1.6e+164)) {
tmp = z * -y;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -5.2e+188) or not (z <= 1.6e+164): tmp = z * -y else: tmp = x return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -5.2e+188) || !(z <= 1.6e+164)) tmp = Float64(z * Float64(-y)); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -5.2e+188) || ~((z <= 1.6e+164))) tmp = z * -y; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -5.2e+188], N[Not[LessEqual[z, 1.6e+164]], $MachinePrecision]], N[(z * (-y)), $MachinePrecision], x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -5.2 \cdot 10^{+188} \lor \neg \left(z \leq 1.6 \cdot 10^{+164}\right):\\
\;\;\;\;z \cdot \left(-y\right)\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if z < -5.19999999999999975e188 or 1.5999999999999999e164 < z Initial program 99.8%
Taylor expanded in y around 0 56.4%
mul-1-neg56.4%
unsub-neg56.4%
*-commutative56.4%
Simplified56.4%
Taylor expanded in x around 0 42.1%
neg-mul-142.1%
distribute-lft-neg-in42.1%
Simplified42.1%
if -5.19999999999999975e188 < z < 1.5999999999999999e164Initial program 99.8%
Taylor expanded in y around 0 43.4%
Final simplification43.1%
(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 53.2%
mul-1-neg53.2%
unsub-neg53.2%
*-commutative53.2%
Simplified53.2%
(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 37.1%
herbie shell --seed 2024170
(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))))