
(FPCore (x y z) :precision binary64 (+ (* x (sin y)) (* z (cos y))))
double code(double x, double y, double z) {
return (x * sin(y)) + (z * cos(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 * sin(y)) + (z * cos(y))
end function
public static double code(double x, double y, double z) {
return (x * Math.sin(y)) + (z * Math.cos(y));
}
def code(x, y, z): return (x * math.sin(y)) + (z * math.cos(y))
function code(x, y, z) return Float64(Float64(x * sin(y)) + Float64(z * cos(y))) end
function tmp = code(x, y, z) tmp = (x * sin(y)) + (z * cos(y)); end
code[x_, y_, z_] := N[(N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision] + N[(z * N[Cos[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \sin y + z \cdot \cos y
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 6 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (* x (sin y)) (* z (cos y))))
double code(double x, double y, double z) {
return (x * sin(y)) + (z * cos(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 * sin(y)) + (z * cos(y))
end function
public static double code(double x, double y, double z) {
return (x * Math.sin(y)) + (z * Math.cos(y));
}
def code(x, y, z): return (x * math.sin(y)) + (z * math.cos(y))
function code(x, y, z) return Float64(Float64(x * sin(y)) + Float64(z * cos(y))) end
function tmp = code(x, y, z) tmp = (x * sin(y)) + (z * cos(y)); end
code[x_, y_, z_] := N[(N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision] + N[(z * N[Cos[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \sin y + z \cdot \cos y
\end{array}
(FPCore (x y z) :precision binary64 (+ (* x (sin y)) (* z (cos y))))
double code(double x, double y, double z) {
return (x * sin(y)) + (z * cos(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 * sin(y)) + (z * cos(y))
end function
public static double code(double x, double y, double z) {
return (x * Math.sin(y)) + (z * Math.cos(y));
}
def code(x, y, z): return (x * math.sin(y)) + (z * math.cos(y))
function code(x, y, z) return Float64(Float64(x * sin(y)) + Float64(z * cos(y))) end
function tmp = code(x, y, z) tmp = (x * sin(y)) + (z * cos(y)); end
code[x_, y_, z_] := N[(N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision] + N[(z * N[Cos[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \sin y + z \cdot \cos y
\end{array}
Initial program 99.8%
(FPCore (x y z) :precision binary64 (if (or (<= y -15500000.0) (not (<= y 1.8))) (* x (sin y)) (+ z (* y (+ x (* y (+ (* z -0.5) (* -0.16666666666666666 (* x y)))))))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -15500000.0) || !(y <= 1.8)) {
tmp = x * sin(y);
} else {
tmp = z + (y * (x + (y * ((z * -0.5) + (-0.16666666666666666 * (x * 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 ((y <= (-15500000.0d0)) .or. (.not. (y <= 1.8d0))) then
tmp = x * sin(y)
else
tmp = z + (y * (x + (y * ((z * (-0.5d0)) + ((-0.16666666666666666d0) * (x * y))))))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -15500000.0) || !(y <= 1.8)) {
tmp = x * Math.sin(y);
} else {
tmp = z + (y * (x + (y * ((z * -0.5) + (-0.16666666666666666 * (x * y))))));
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -15500000.0) or not (y <= 1.8): tmp = x * math.sin(y) else: tmp = z + (y * (x + (y * ((z * -0.5) + (-0.16666666666666666 * (x * y)))))) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -15500000.0) || !(y <= 1.8)) tmp = Float64(x * sin(y)); else tmp = Float64(z + Float64(y * Float64(x + Float64(y * Float64(Float64(z * -0.5) + Float64(-0.16666666666666666 * Float64(x * y))))))); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -15500000.0) || ~((y <= 1.8))) tmp = x * sin(y); else tmp = z + (y * (x + (y * ((z * -0.5) + (-0.16666666666666666 * (x * y)))))); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -15500000.0], N[Not[LessEqual[y, 1.8]], $MachinePrecision]], N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision], N[(z + N[(y * N[(x + N[(y * N[(N[(z * -0.5), $MachinePrecision] + N[(-0.16666666666666666 * N[(x * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -15500000 \lor \neg \left(y \leq 1.8\right):\\
\;\;\;\;x \cdot \sin y\\
\mathbf{else}:\\
\;\;\;\;z + y \cdot \left(x + y \cdot \left(z \cdot -0.5 + -0.16666666666666666 \cdot \left(x \cdot y\right)\right)\right)\\
\end{array}
\end{array}
if y < -1.55e7 or 1.80000000000000004 < y Initial program 99.7%
Taylor expanded in x around inf 46.9%
if -1.55e7 < y < 1.80000000000000004Initial program 100.0%
Taylor expanded in y around 0 98.4%
Final simplification73.7%
(FPCore (x y z)
:precision binary64
(if (<= y -0.023)
(* z (cos y))
(if (<= y 1.95)
(+ z (* y (+ x (* y (+ (* z -0.5) (* -0.16666666666666666 (* x y)))))))
(* x (sin y)))))
double code(double x, double y, double z) {
double tmp;
if (y <= -0.023) {
tmp = z * cos(y);
} else if (y <= 1.95) {
tmp = z + (y * (x + (y * ((z * -0.5) + (-0.16666666666666666 * (x * y))))));
} else {
tmp = x * 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 (y <= (-0.023d0)) then
tmp = z * cos(y)
else if (y <= 1.95d0) then
tmp = z + (y * (x + (y * ((z * (-0.5d0)) + ((-0.16666666666666666d0) * (x * y))))))
else
tmp = x * sin(y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (y <= -0.023) {
tmp = z * Math.cos(y);
} else if (y <= 1.95) {
tmp = z + (y * (x + (y * ((z * -0.5) + (-0.16666666666666666 * (x * y))))));
} else {
tmp = x * Math.sin(y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -0.023: tmp = z * math.cos(y) elif y <= 1.95: tmp = z + (y * (x + (y * ((z * -0.5) + (-0.16666666666666666 * (x * y)))))) else: tmp = x * math.sin(y) return tmp
function code(x, y, z) tmp = 0.0 if (y <= -0.023) tmp = Float64(z * cos(y)); elseif (y <= 1.95) tmp = Float64(z + Float64(y * Float64(x + Float64(y * Float64(Float64(z * -0.5) + Float64(-0.16666666666666666 * Float64(x * y))))))); else tmp = Float64(x * sin(y)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -0.023) tmp = z * cos(y); elseif (y <= 1.95) tmp = z + (y * (x + (y * ((z * -0.5) + (-0.16666666666666666 * (x * y)))))); else tmp = x * sin(y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -0.023], N[(z * N[Cos[y], $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 1.95], N[(z + N[(y * N[(x + N[(y * N[(N[(z * -0.5), $MachinePrecision] + N[(-0.16666666666666666 * N[(x * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -0.023:\\
\;\;\;\;z \cdot \cos y\\
\mathbf{elif}\;y \leq 1.95:\\
\;\;\;\;z + y \cdot \left(x + y \cdot \left(z \cdot -0.5 + -0.16666666666666666 \cdot \left(x \cdot y\right)\right)\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot \sin y\\
\end{array}
\end{array}
if y < -0.023Initial program 99.7%
Taylor expanded in x around 0 60.4%
if -0.023 < y < 1.94999999999999996Initial program 100.0%
Taylor expanded in y around 0 99.1%
if 1.94999999999999996 < y Initial program 99.6%
Taylor expanded in x around inf 52.6%
Final simplification78.6%
(FPCore (x y z) :precision binary64 (if (<= z -2.6e-155) z (if (<= z 1.15e-163) (* x y) z)))
double code(double x, double y, double z) {
double tmp;
if (z <= -2.6e-155) {
tmp = z;
} else if (z <= 1.15e-163) {
tmp = x * y;
} else {
tmp = 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 (z <= (-2.6d-155)) then
tmp = z
else if (z <= 1.15d-163) then
tmp = x * y
else
tmp = z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (z <= -2.6e-155) {
tmp = z;
} else if (z <= 1.15e-163) {
tmp = x * y;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if z <= -2.6e-155: tmp = z elif z <= 1.15e-163: tmp = x * y else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if (z <= -2.6e-155) tmp = z; elseif (z <= 1.15e-163) tmp = Float64(x * y); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (z <= -2.6e-155) tmp = z; elseif (z <= 1.15e-163) tmp = x * y; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[z, -2.6e-155], z, If[LessEqual[z, 1.15e-163], N[(x * y), $MachinePrecision], z]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -2.6 \cdot 10^{-155}:\\
\;\;\;\;z\\
\mathbf{elif}\;z \leq 1.15 \cdot 10^{-163}:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if z < -2.60000000000000008e-155 or 1.15e-163 < z Initial program 99.8%
Taylor expanded in x around 0 74.9%
Taylor expanded in y around 0 45.4%
if -2.60000000000000008e-155 < z < 1.15e-163Initial program 99.9%
Taylor expanded in x around inf 81.9%
Taylor expanded in y around 0 49.6%
(FPCore (x y z) :precision binary64 (+ z (* x y)))
double code(double x, double y, double z) {
return z + (x * y);
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z + (x * y)
end function
public static double code(double x, double y, double z) {
return z + (x * y);
}
def code(x, y, z): return z + (x * y)
function code(x, y, z) return Float64(z + Float64(x * y)) end
function tmp = code(x, y, z) tmp = z + (x * y); end
code[x_, y_, z_] := N[(z + N[(x * y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
z + x \cdot y
\end{array}
Initial program 99.8%
Taylor expanded in y around 0 53.2%
+-commutative53.2%
Simplified53.2%
Final simplification53.2%
(FPCore (x y z) :precision binary64 z)
double code(double x, double y, double z) {
return z;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z
end function
public static double code(double x, double y, double z) {
return z;
}
def code(x, y, z): return z
function code(x, y, z) return z end
function tmp = code(x, y, z) tmp = z; end
code[x_, y_, z_] := z
\begin{array}{l}
\\
z
\end{array}
Initial program 99.8%
Taylor expanded in x around 0 62.6%
Taylor expanded in y around 0 39.4%
herbie shell --seed 2024106
(FPCore (x y z)
:name "Diagrams.ThreeD.Transform:aboutX from diagrams-lib-1.3.0.3, B"
:precision binary64
(+ (* x (sin y)) (* z (cos y))))