
(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 5 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 99.7%
Final simplification99.7%
(FPCore (x y z) :precision binary64 (if (or (<= z -1.65e-18) (not (<= z 5.4e-116))) (- x (* z (sin y))) (* x (cos y))))
double code(double x, double y, double z) {
double tmp;
if ((z <= -1.65e-18) || !(z <= 5.4e-116)) {
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 <= (-1.65d-18)) .or. (.not. (z <= 5.4d-116))) 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 <= -1.65e-18) || !(z <= 5.4e-116)) {
tmp = x - (z * Math.sin(y));
} else {
tmp = x * Math.cos(y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -1.65e-18) or not (z <= 5.4e-116): tmp = x - (z * math.sin(y)) else: tmp = x * math.cos(y) return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -1.65e-18) || !(z <= 5.4e-116)) 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 <= -1.65e-18) || ~((z <= 5.4e-116))) tmp = x - (z * sin(y)); else tmp = x * cos(y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -1.65e-18], N[Not[LessEqual[z, 5.4e-116]], $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 -1.65 \cdot 10^{-18} \lor \neg \left(z \leq 5.4 \cdot 10^{-116}\right):\\
\;\;\;\;x - z \cdot \sin y\\
\mathbf{else}:\\
\;\;\;\;x \cdot \cos y\\
\end{array}
\end{array}
if z < -1.6500000000000001e-18 or 5.4e-116 < z Initial program 99.7%
Taylor expanded in y around 0 88.9%
if -1.6500000000000001e-18 < z < 5.4e-116Initial program 99.7%
add-cbrt-cube48.7%
pow348.7%
Applied egg-rr48.7%
Taylor expanded in y around 0 35.1%
Taylor expanded in x around inf 91.6%
Final simplification90.1%
(FPCore (x y z) :precision binary64 (if (or (<= y -0.00175) (not (<= y 9e-5))) (* x (cos y)) (- x (* y z))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -0.00175) || !(y <= 9e-5)) {
tmp = x * cos(y);
} else {
tmp = x - (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 <= (-0.00175d0)) .or. (.not. (y <= 9d-5))) then
tmp = x * cos(y)
else
tmp = x - (y * z)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -0.00175) || !(y <= 9e-5)) {
tmp = x * Math.cos(y);
} else {
tmp = x - (y * z);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -0.00175) or not (y <= 9e-5): tmp = x * math.cos(y) else: tmp = x - (y * z) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -0.00175) || !(y <= 9e-5)) tmp = Float64(x * cos(y)); else tmp = Float64(x - Float64(y * z)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -0.00175) || ~((y <= 9e-5))) tmp = x * cos(y); else tmp = x - (y * z); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -0.00175], N[Not[LessEqual[y, 9e-5]], $MachinePrecision]], N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision], N[(x - N[(y * z), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -0.00175 \lor \neg \left(y \leq 9 \cdot 10^{-5}\right):\\
\;\;\;\;x \cdot \cos y\\
\mathbf{else}:\\
\;\;\;\;x - y \cdot z\\
\end{array}
\end{array}
if y < -0.00175000000000000004 or 9.00000000000000057e-5 < y Initial program 99.5%
add-cbrt-cube65.4%
pow365.4%
Applied egg-rr65.4%
Taylor expanded in y around 0 14.1%
Taylor expanded in x around inf 51.3%
if -0.00175000000000000004 < y < 9.00000000000000057e-5Initial program 100.0%
Taylor expanded in y around 0 100.0%
Taylor expanded in y around 0 99.5%
Final simplification73.7%
(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 99.7%
Taylor expanded in y around 0 76.3%
Taylor expanded in y around 0 49.9%
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 99.7%
add-cbrt-cube60.2%
pow360.2%
Applied egg-rr60.2%
Taylor expanded in y around 0 32.6%
Taylor expanded in y around 0 39.7%
Final simplification39.7%
herbie shell --seed 2024034
(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))))