
(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 (- (* 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 (<= x -3.9e-69) (not (<= x 1.75e+148))) (* x (cos y)) (- x (* z (sin y)))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.9e-69) || !(x <= 1.75e+148)) {
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 <= (-3.9d-69)) .or. (.not. (x <= 1.75d+148))) 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 <= -3.9e-69) || !(x <= 1.75e+148)) {
tmp = x * Math.cos(y);
} else {
tmp = x - (z * Math.sin(y));
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.9e-69) or not (x <= 1.75e+148): tmp = x * math.cos(y) else: tmp = x - (z * math.sin(y)) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.9e-69) || !(x <= 1.75e+148)) 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 <= -3.9e-69) || ~((x <= 1.75e+148))) tmp = x * cos(y); else tmp = x - (z * sin(y)); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.9e-69], N[Not[LessEqual[x, 1.75e+148]], $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 -3.9 \cdot 10^{-69} \lor \neg \left(x \leq 1.75 \cdot 10^{+148}\right):\\
\;\;\;\;x \cdot \cos y\\
\mathbf{else}:\\
\;\;\;\;x - z \cdot \sin y\\
\end{array}
\end{array}
if x < -3.89999999999999981e-69 or 1.7499999999999999e148 < x Initial program 99.8%
Taylor expanded in x around inf 92.2%
if -3.89999999999999981e-69 < x < 1.7499999999999999e148Initial program 99.8%
Taylor expanded in y around 0 85.5%
Final simplification88.1%
(FPCore (x y z) :precision binary64 (if (or (<= x -5.9e-120) (not (<= x 6.2e-39))) (* x (cos y)) (* z (- (sin y)))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5.9e-120) || !(x <= 6.2e-39)) {
tmp = x * cos(y);
} else {
tmp = 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 <= (-5.9d-120)) .or. (.not. (x <= 6.2d-39))) then
tmp = x * cos(y)
else
tmp = z * -sin(y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -5.9e-120) || !(x <= 6.2e-39)) {
tmp = x * Math.cos(y);
} else {
tmp = z * -Math.sin(y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -5.9e-120) or not (x <= 6.2e-39): tmp = x * math.cos(y) else: tmp = z * -math.sin(y) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -5.9e-120) || !(x <= 6.2e-39)) tmp = Float64(x * cos(y)); else tmp = Float64(z * Float64(-sin(y))); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -5.9e-120) || ~((x <= 6.2e-39))) tmp = x * cos(y); else tmp = z * -sin(y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -5.9e-120], N[Not[LessEqual[x, 6.2e-39]], $MachinePrecision]], N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision], N[(z * (-N[Sin[y], $MachinePrecision])), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5.9 \cdot 10^{-120} \lor \neg \left(x \leq 6.2 \cdot 10^{-39}\right):\\
\;\;\;\;x \cdot \cos y\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(-\sin y\right)\\
\end{array}
\end{array}
if x < -5.89999999999999979e-120 or 6.1999999999999994e-39 < x Initial program 99.7%
Taylor expanded in x around inf 80.9%
if -5.89999999999999979e-120 < x < 6.1999999999999994e-39Initial program 99.8%
Taylor expanded in x around 0 72.2%
neg-mul-172.2%
distribute-rgt-neg-in72.2%
Simplified72.2%
Final simplification77.5%
(FPCore (x y z) :precision binary64 (if (or (<= y -5.6) (not (<= y 0.0069))) (* 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 <= -5.6) || !(y <= 0.0069)) {
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 <= (-5.6d0)) .or. (.not. (y <= 0.0069d0))) 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 <= -5.6) || !(y <= 0.0069)) {
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 <= -5.6) or not (y <= 0.0069): 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 <= -5.6) || !(y <= 0.0069)) 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 <= -5.6) || ~((y <= 0.0069))) 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, -5.6], N[Not[LessEqual[y, 0.0069]], $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 -5.6 \lor \neg \left(y \leq 0.0069\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 < -5.5999999999999996 or 0.0068999999999999999 < y Initial program 99.6%
Taylor expanded in x around inf 52.6%
if -5.5999999999999996 < y < 0.0068999999999999999Initial program 100.0%
Taylor expanded in y around 0 99.2%
Final simplification73.0%
(FPCore (x y z) :precision binary64 (if (<= x -3.2e-126) x (if (<= x 1.04e-193) (* y (- z)) x)))
double code(double x, double y, double z) {
double tmp;
if (x <= -3.2e-126) {
tmp = x;
} else if (x <= 1.04e-193) {
tmp = y * -z;
} 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 (x <= (-3.2d-126)) then
tmp = x
else if (x <= 1.04d-193) then
tmp = y * -z
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -3.2e-126) {
tmp = x;
} else if (x <= 1.04e-193) {
tmp = y * -z;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -3.2e-126: tmp = x elif x <= 1.04e-193: tmp = y * -z else: tmp = x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -3.2e-126) tmp = x; elseif (x <= 1.04e-193) tmp = Float64(y * Float64(-z)); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -3.2e-126) tmp = x; elseif (x <= 1.04e-193) tmp = y * -z; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -3.2e-126], x, If[LessEqual[x, 1.04e-193], N[(y * (-z)), $MachinePrecision], x]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.2 \cdot 10^{-126}:\\
\;\;\;\;x\\
\mathbf{elif}\;x \leq 1.04 \cdot 10^{-193}:\\
\;\;\;\;y \cdot \left(-z\right)\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if x < -3.2000000000000001e-126 or 1.04000000000000001e-193 < x Initial program 99.7%
Taylor expanded in y around 0 67.6%
Taylor expanded in x around inf 40.6%
if -3.2000000000000001e-126 < x < 1.04000000000000001e-193Initial program 99.8%
Taylor expanded in y around 0 91.6%
Taylor expanded in x around 0 79.0%
neg-mul-179.0%
distribute-lft-neg-in79.0%
*-commutative79.0%
Simplified79.0%
Taylor expanded in y around 0 31.3%
mul-1-neg31.3%
distribute-rgt-neg-in31.3%
Simplified31.3%
(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 46.7%
mul-1-neg46.7%
unsub-neg46.7%
Simplified46.7%
Final simplification46.7%
(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 72.9%
Taylor expanded in x around inf 35.4%
herbie shell --seed 2024089
(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))))