
(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 6 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 (- (* (cos y) x) (* (sin y) z)))
double code(double x, double y, double z) {
return (cos(y) * x) - (sin(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 = (cos(y) * x) - (sin(y) * z)
end function
public static double code(double x, double y, double z) {
return (Math.cos(y) * x) - (Math.sin(y) * z);
}
def code(x, y, z): return (math.cos(y) * x) - (math.sin(y) * z)
function code(x, y, z) return Float64(Float64(cos(y) * x) - Float64(sin(y) * z)) end
function tmp = code(x, y, z) tmp = (cos(y) * x) - (sin(y) * z); end
code[x_, y_, z_] := N[(N[(N[Cos[y], $MachinePrecision] * x), $MachinePrecision] - N[(N[Sin[y], $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\cos y \cdot x - \sin y \cdot z
\end{array}
Initial program 99.8%
Final simplification99.8%
(FPCore (x y z) :precision binary64 (let* ((t_0 (* (- z) (sin y)))) (if (<= z -4.9e+86) t_0 (if (<= z 7.6e+39) (* (cos y) x) t_0))))
double code(double x, double y, double z) {
double t_0 = -z * sin(y);
double tmp;
if (z <= -4.9e+86) {
tmp = t_0;
} else if (z <= 7.6e+39) {
tmp = cos(y) * x;
} else {
tmp = t_0;
}
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) :: tmp
t_0 = -z * sin(y)
if (z <= (-4.9d+86)) then
tmp = t_0
else if (z <= 7.6d+39) then
tmp = cos(y) * x
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = -z * Math.sin(y);
double tmp;
if (z <= -4.9e+86) {
tmp = t_0;
} else if (z <= 7.6e+39) {
tmp = Math.cos(y) * x;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = -z * math.sin(y) tmp = 0 if z <= -4.9e+86: tmp = t_0 elif z <= 7.6e+39: tmp = math.cos(y) * x else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(Float64(-z) * sin(y)) tmp = 0.0 if (z <= -4.9e+86) tmp = t_0; elseif (z <= 7.6e+39) tmp = Float64(cos(y) * x); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = -z * sin(y); tmp = 0.0; if (z <= -4.9e+86) tmp = t_0; elseif (z <= 7.6e+39) tmp = cos(y) * x; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[((-z) * N[Sin[y], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[z, -4.9e+86], t$95$0, If[LessEqual[z, 7.6e+39], N[(N[Cos[y], $MachinePrecision] * x), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(-z\right) \cdot \sin y\\
\mathbf{if}\;z \leq -4.9 \cdot 10^{+86}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;z \leq 7.6 \cdot 10^{+39}:\\
\;\;\;\;\cos y \cdot x\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if z < -4.8999999999999999e86 or 7.5999999999999996e39 < z Initial program 99.8%
Taylor expanded in z around inf
mul-1-negN/A
distribute-lft-neg-inN/A
lower-*.f64N/A
lower-neg.f64N/A
lower-sin.f6467.4
Applied rewrites67.4%
if -4.8999999999999999e86 < z < 7.5999999999999996e39Initial program 99.8%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
lower-cos.f6488.4
Applied rewrites88.4%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* (cos y) x)))
(if (<= y -0.35)
t_0
(if (<= y 12.0)
(fma (- (* (fma 0.16666666666666666 (* z y) (* -0.5 x)) y) z) y x)
t_0))))
double code(double x, double y, double z) {
double t_0 = cos(y) * x;
double tmp;
if (y <= -0.35) {
tmp = t_0;
} else if (y <= 12.0) {
tmp = fma(((fma(0.16666666666666666, (z * y), (-0.5 * x)) * y) - z), y, x);
} else {
tmp = t_0;
}
return tmp;
}
function code(x, y, z) t_0 = Float64(cos(y) * x) tmp = 0.0 if (y <= -0.35) tmp = t_0; elseif (y <= 12.0) tmp = fma(Float64(Float64(fma(0.16666666666666666, Float64(z * y), Float64(-0.5 * x)) * y) - z), y, x); else tmp = t_0; end return tmp end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[Cos[y], $MachinePrecision] * x), $MachinePrecision]}, If[LessEqual[y, -0.35], t$95$0, If[LessEqual[y, 12.0], N[(N[(N[(N[(0.16666666666666666 * N[(z * y), $MachinePrecision] + N[(-0.5 * x), $MachinePrecision]), $MachinePrecision] * y), $MachinePrecision] - z), $MachinePrecision] * y + x), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \cos y \cdot x\\
\mathbf{if}\;y \leq -0.35:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq 12:\\
\;\;\;\;\mathsf{fma}\left(\mathsf{fma}\left(0.16666666666666666, z \cdot y, -0.5 \cdot x\right) \cdot y - z, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -0.34999999999999998 or 12 < y Initial program 99.6%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
lower-cos.f6451.9
Applied rewrites51.9%
if -0.34999999999999998 < y < 12Initial program 100.0%
Taylor expanded in y around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
lower--.f64N/A
*-commutativeN/A
lower-*.f64N/A
+-commutativeN/A
lower-fma.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-*.f6498.7
Applied rewrites98.7%
(FPCore (x y z) :precision binary64 (if (<= x -4.5e-195) (* 1.0 x) (if (<= x 3.4e-104) (* (- z) y) (* 1.0 x))))
double code(double x, double y, double z) {
double tmp;
if (x <= -4.5e-195) {
tmp = 1.0 * x;
} else if (x <= 3.4e-104) {
tmp = -z * y;
} else {
tmp = 1.0 * 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 <= (-4.5d-195)) then
tmp = 1.0d0 * x
else if (x <= 3.4d-104) then
tmp = -z * y
else
tmp = 1.0d0 * x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -4.5e-195) {
tmp = 1.0 * x;
} else if (x <= 3.4e-104) {
tmp = -z * y;
} else {
tmp = 1.0 * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -4.5e-195: tmp = 1.0 * x elif x <= 3.4e-104: tmp = -z * y else: tmp = 1.0 * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -4.5e-195) tmp = Float64(1.0 * x); elseif (x <= 3.4e-104) tmp = Float64(Float64(-z) * y); else tmp = Float64(1.0 * x); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -4.5e-195) tmp = 1.0 * x; elseif (x <= 3.4e-104) tmp = -z * y; else tmp = 1.0 * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -4.5e-195], N[(1.0 * x), $MachinePrecision], If[LessEqual[x, 3.4e-104], N[((-z) * y), $MachinePrecision], N[(1.0 * x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -4.5 \cdot 10^{-195}:\\
\;\;\;\;1 \cdot x\\
\mathbf{elif}\;x \leq 3.4 \cdot 10^{-104}:\\
\;\;\;\;\left(-z\right) \cdot y\\
\mathbf{else}:\\
\;\;\;\;1 \cdot x\\
\end{array}
\end{array}
if x < -4.5e-195 or 3.40000000000000015e-104 < x Initial program 99.8%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
lower-cos.f6473.2
Applied rewrites73.2%
Taylor expanded in y around 0
Applied rewrites45.1%
if -4.5e-195 < x < 3.40000000000000015e-104Initial program 99.8%
Taylor expanded in y around 0
mul-1-negN/A
unsub-negN/A
lower--.f64N/A
*-commutativeN/A
lower-*.f6459.9
Applied rewrites59.9%
Taylor expanded in z around inf
Applied rewrites42.1%
(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
mul-1-negN/A
unsub-negN/A
lower--.f64N/A
*-commutativeN/A
lower-*.f6451.6
Applied rewrites51.6%
(FPCore (x y z) :precision binary64 (* 1.0 x))
double code(double x, double y, double z) {
return 1.0 * x;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = 1.0d0 * x
end function
public static double code(double x, double y, double z) {
return 1.0 * x;
}
def code(x, y, z): return 1.0 * x
function code(x, y, z) return Float64(1.0 * x) end
function tmp = code(x, y, z) tmp = 1.0 * x; end
code[x_, y_, z_] := N[(1.0 * x), $MachinePrecision]
\begin{array}{l}
\\
1 \cdot x
\end{array}
Initial program 99.8%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
lower-cos.f6462.2
Applied rewrites62.2%
Taylor expanded in y around 0
Applied rewrites39.9%
herbie shell --seed 2024277
(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))))