
(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 (if (or (<= x -3.3e-23) (not (<= x 1.2e+103))) (* x (cos y)) (fma z (- (sin y)) x)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.3e-23) || !(x <= 1.2e+103)) {
tmp = x * cos(y);
} else {
tmp = fma(z, -sin(y), x);
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if ((x <= -3.3e-23) || !(x <= 1.2e+103)) tmp = Float64(x * cos(y)); else tmp = fma(z, Float64(-sin(y)), x); end return tmp end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.3e-23], N[Not[LessEqual[x, 1.2e+103]], $MachinePrecision]], N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision], N[(z * (-N[Sin[y], $MachinePrecision]) + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.3 \cdot 10^{-23} \lor \neg \left(x \leq 1.2 \cdot 10^{+103}\right):\\
\;\;\;\;x \cdot \cos y\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(z, -\sin y, x\right)\\
\end{array}
\end{array}
if x < -3.30000000000000021e-23 or 1.1999999999999999e103 < x Initial program 99.8%
Taylor expanded in x around inf 90.2%
if -3.30000000000000021e-23 < x < 1.1999999999999999e103Initial 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%
Taylor expanded in y around 0 85.4%
Final simplification87.3%
(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 -1.1e+125)
t_0
(if (<= y -114000.0)
t_1
(if (<= y 74.0)
(+ x (* y (- (* y (+ (* x -0.5) (* 0.16666666666666666 (* z y)))) z)))
(if (<= y 1.25e+80) 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 <= -1.1e+125) {
tmp = t_0;
} else if (y <= -114000.0) {
tmp = t_1;
} else if (y <= 74.0) {
tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (z * y)))) - z));
} else if (y <= 1.25e+80) {
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 <= (-1.1d+125)) then
tmp = t_0
else if (y <= (-114000.0d0)) then
tmp = t_1
else if (y <= 74.0d0) then
tmp = x + (y * ((y * ((x * (-0.5d0)) + (0.16666666666666666d0 * (z * y)))) - z))
else if (y <= 1.25d+80) 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 <= -1.1e+125) {
tmp = t_0;
} else if (y <= -114000.0) {
tmp = t_1;
} else if (y <= 74.0) {
tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (z * y)))) - z));
} else if (y <= 1.25e+80) {
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 <= -1.1e+125: tmp = t_0 elif y <= -114000.0: tmp = t_1 elif y <= 74.0: tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (z * y)))) - z)) elif y <= 1.25e+80: 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 <= -1.1e+125) tmp = t_0; elseif (y <= -114000.0) tmp = t_1; elseif (y <= 74.0) tmp = Float64(x + Float64(y * Float64(Float64(y * Float64(Float64(x * -0.5) + Float64(0.16666666666666666 * Float64(z * y)))) - z))); elseif (y <= 1.25e+80) 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 <= -1.1e+125) tmp = t_0; elseif (y <= -114000.0) tmp = t_1; elseif (y <= 74.0) tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (z * y)))) - z)); elseif (y <= 1.25e+80) 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, -1.1e+125], t$95$0, If[LessEqual[y, -114000.0], t$95$1, If[LessEqual[y, 74.0], 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[LessEqual[y, 1.25e+80], 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 -1.1 \cdot 10^{+125}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -114000:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;y \leq 74:\\
\;\;\;\;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 1.25 \cdot 10^{+80}:\\
\;\;\;\;t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if y < -1.09999999999999995e125 or 74 < y < 1.2499999999999999e80Initial program 99.5%
Taylor expanded in x around inf 63.3%
if -1.09999999999999995e125 < y < -114000 or 1.2499999999999999e80 < y Initial program 99.6%
Taylor expanded in x around 0 60.7%
neg-mul-160.7%
distribute-rgt-neg-in60.7%
Simplified60.7%
if -114000 < y < 74Initial program 100.0%
Taylor expanded in y around 0 98.6%
Final simplification80.1%
(FPCore (x y z) :precision binary64 (if (or (<= x -3.6e-23) (not (<= x 1.38e+103))) (* x (cos y)) (- x (* z (sin y)))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.6e-23) || !(x <= 1.38e+103)) {
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 <= (-3.6d-23)) .or. (.not. (x <= 1.38d+103))) 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 <= -3.6e-23) || !(x <= 1.38e+103)) {
tmp = x * Math.cos(y);
} else {
tmp = x - (z * Math.sin(y));
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.6e-23) or not (x <= 1.38e+103): tmp = x * math.cos(y) else: tmp = x - (z * math.sin(y)) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.6e-23) || !(x <= 1.38e+103)) 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 <= -3.6e-23) || ~((x <= 1.38e+103))) tmp = x * cos(y); else tmp = x - (z * sin(y)); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.6e-23], N[Not[LessEqual[x, 1.38e+103]], $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 -3.6 \cdot 10^{-23} \lor \neg \left(x \leq 1.38 \cdot 10^{+103}\right):\\
\;\;\;\;x \cdot \cos y\\
\mathbf{else}:\\
\;\;\;\;x - z \cdot \sin y\\
\end{array}
\end{array}
if x < -3.5999999999999998e-23 or 1.37999999999999993e103 < x Initial program 99.8%
Taylor expanded in x around inf 90.2%
if -3.5999999999999998e-23 < x < 1.37999999999999993e103Initial program 99.8%
Taylor expanded in y around 0 85.4%
Final simplification87.3%
(FPCore (x y z) :precision binary64 (if (or (<= y -0.155) (not (<= y 74.0))) (* 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 <= -0.155) || !(y <= 74.0)) {
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 <= (-0.155d0)) .or. (.not. (y <= 74.0d0))) 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 <= -0.155) || !(y <= 74.0)) {
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 <= -0.155) or not (y <= 74.0): 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 <= -0.155) || !(y <= 74.0)) 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 <= -0.155) || ~((y <= 74.0))) 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, -0.155], N[Not[LessEqual[y, 74.0]], $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 -0.155 \lor \neg \left(y \leq 74\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 < -0.154999999999999999 or 74 < y Initial program 99.6%
Taylor expanded in x around inf 49.9%
if -0.154999999999999999 < y < 74Initial program 100.0%
Taylor expanded in y around 0 99.3%
Final simplification74.2%
(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 51.5%
mul-1-neg51.5%
unsub-neg51.5%
Simplified51.5%
Final simplification51.5%
(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 z around inf 88.9%
*-commutative88.9%
associate-/l*88.8%
Simplified88.8%
Taylor expanded in y around 0 36.7%
herbie shell --seed 2024108
(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))))