
(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 (- (* 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%
Final simplification99.8%
(FPCore (x y z) :precision binary64 (if (<= z -2.15e-7) (- x (* z (sin y))) (if (<= z 9.6e-88) (* x (cos y)) (fma z (- (sin y)) x))))
double code(double x, double y, double z) {
double tmp;
if (z <= -2.15e-7) {
tmp = x - (z * sin(y));
} else if (z <= 9.6e-88) {
tmp = x * cos(y);
} else {
tmp = fma(z, -sin(y), x);
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if (z <= -2.15e-7) tmp = Float64(x - Float64(z * sin(y))); elseif (z <= 9.6e-88) tmp = Float64(x * cos(y)); else tmp = fma(z, Float64(-sin(y)), x); end return tmp end
code[x_, y_, z_] := If[LessEqual[z, -2.15e-7], N[(x - N[(z * N[Sin[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[z, 9.6e-88], N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision], N[(z * (-N[Sin[y], $MachinePrecision]) + x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -2.15 \cdot 10^{-7}:\\
\;\;\;\;x - z \cdot \sin y\\
\mathbf{elif}\;z \leq 9.6 \cdot 10^{-88}:\\
\;\;\;\;x \cdot \cos y\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(z, -\sin y, x\right)\\
\end{array}
\end{array}
if z < -2.1500000000000001e-7Initial program 99.8%
Taylor expanded in y around 0 87.8%
if -2.1500000000000001e-7 < z < 9.5999999999999998e-88Initial program 99.8%
Taylor expanded in x around inf 90.6%
if 9.5999999999999998e-88 < z Initial program 99.9%
cancel-sign-sub-inv99.9%
+-commutative99.9%
distribute-lft-neg-out99.9%
distribute-rgt-neg-in99.9%
sin-neg99.9%
fma-define99.9%
sin-neg99.9%
Simplified99.9%
Taylor expanded in y around 0 85.4%
Final simplification88.5%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* (sin y) (- z))) (t_1 (* x (cos y))))
(if (<= y -2.55e+138)
t_0
(if (<= y -1.95e+30)
t_1
(if (<= y -0.18)
t_0
(if (<= y 0.062)
(+
x
(* y (- (* y (+ (* x -0.5) (* 0.16666666666666666 (* y z)))) z)))
(if (or (<= y 470000000000.0) (not (<= y 2.5e+242))) t_0 t_1)))))))
double code(double x, double y, double z) {
double t_0 = sin(y) * -z;
double t_1 = x * cos(y);
double tmp;
if (y <= -2.55e+138) {
tmp = t_0;
} else if (y <= -1.95e+30) {
tmp = t_1;
} else if (y <= -0.18) {
tmp = t_0;
} else if (y <= 0.062) {
tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - z));
} else if ((y <= 470000000000.0) || !(y <= 2.5e+242)) {
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 = sin(y) * -z
t_1 = x * cos(y)
if (y <= (-2.55d+138)) then
tmp = t_0
else if (y <= (-1.95d+30)) then
tmp = t_1
else if (y <= (-0.18d0)) then
tmp = t_0
else if (y <= 0.062d0) then
tmp = x + (y * ((y * ((x * (-0.5d0)) + (0.16666666666666666d0 * (y * z)))) - z))
else if ((y <= 470000000000.0d0) .or. (.not. (y <= 2.5d+242))) 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 = Math.sin(y) * -z;
double t_1 = x * Math.cos(y);
double tmp;
if (y <= -2.55e+138) {
tmp = t_0;
} else if (y <= -1.95e+30) {
tmp = t_1;
} else if (y <= -0.18) {
tmp = t_0;
} else if (y <= 0.062) {
tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - z));
} else if ((y <= 470000000000.0) || !(y <= 2.5e+242)) {
tmp = t_0;
} else {
tmp = t_1;
}
return tmp;
}
def code(x, y, z): t_0 = math.sin(y) * -z t_1 = x * math.cos(y) tmp = 0 if y <= -2.55e+138: tmp = t_0 elif y <= -1.95e+30: tmp = t_1 elif y <= -0.18: tmp = t_0 elif y <= 0.062: tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - z)) elif (y <= 470000000000.0) or not (y <= 2.5e+242): tmp = t_0 else: tmp = t_1 return tmp
function code(x, y, z) t_0 = Float64(sin(y) * Float64(-z)) t_1 = Float64(x * cos(y)) tmp = 0.0 if (y <= -2.55e+138) tmp = t_0; elseif (y <= -1.95e+30) tmp = t_1; elseif (y <= -0.18) tmp = t_0; elseif (y <= 0.062) tmp = Float64(x + Float64(y * Float64(Float64(y * Float64(Float64(x * -0.5) + Float64(0.16666666666666666 * Float64(y * z)))) - z))); elseif ((y <= 470000000000.0) || !(y <= 2.5e+242)) tmp = t_0; else tmp = t_1; end return tmp end
function tmp_2 = code(x, y, z) t_0 = sin(y) * -z; t_1 = x * cos(y); tmp = 0.0; if (y <= -2.55e+138) tmp = t_0; elseif (y <= -1.95e+30) tmp = t_1; elseif (y <= -0.18) tmp = t_0; elseif (y <= 0.062) tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - z)); elseif ((y <= 470000000000.0) || ~((y <= 2.5e+242))) tmp = t_0; else tmp = t_1; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[Sin[y], $MachinePrecision] * (-z)), $MachinePrecision]}, Block[{t$95$1 = N[(x * N[Cos[y], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[y, -2.55e+138], t$95$0, If[LessEqual[y, -1.95e+30], t$95$1, If[LessEqual[y, -0.18], t$95$0, If[LessEqual[y, 0.062], N[(x + N[(y * N[(N[(y * N[(N[(x * -0.5), $MachinePrecision] + N[(0.16666666666666666 * N[(y * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[Or[LessEqual[y, 470000000000.0], N[Not[LessEqual[y, 2.5e+242]], $MachinePrecision]], t$95$0, t$95$1]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sin y \cdot \left(-z\right)\\
t_1 := x \cdot \cos y\\
\mathbf{if}\;y \leq -2.55 \cdot 10^{+138}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -1.95 \cdot 10^{+30}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;y \leq -0.18:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq 0.062:\\
\;\;\;\;x + y \cdot \left(y \cdot \left(x \cdot -0.5 + 0.16666666666666666 \cdot \left(y \cdot z\right)\right) - z\right)\\
\mathbf{elif}\;y \leq 470000000000 \lor \neg \left(y \leq 2.5 \cdot 10^{+242}\right):\\
\;\;\;\;t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if y < -2.5499999999999999e138 or -1.95000000000000005e30 < y < -0.17999999999999999 or 0.062 < y < 4.7e11 or 2.5000000000000002e242 < y Initial program 99.7%
Taylor expanded in x around 0 76.0%
neg-mul-176.0%
*-commutative76.0%
distribute-rgt-neg-in76.0%
Simplified76.0%
if -2.5499999999999999e138 < y < -1.95000000000000005e30 or 4.7e11 < y < 2.5000000000000002e242Initial program 99.5%
Taylor expanded in x around inf 66.6%
if -0.17999999999999999 < y < 0.062Initial program 100.0%
Taylor expanded in y around 0 99.8%
Final simplification85.4%
(FPCore (x y z) :precision binary64 (if (or (<= z -3.5e-7) (not (<= z 9.6e-88))) (- x (* z (sin y))) (* x (cos y))))
double code(double x, double y, double z) {
double tmp;
if ((z <= -3.5e-7) || !(z <= 9.6e-88)) {
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 <= (-3.5d-7)) .or. (.not. (z <= 9.6d-88))) 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 <= -3.5e-7) || !(z <= 9.6e-88)) {
tmp = x - (z * Math.sin(y));
} else {
tmp = x * Math.cos(y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -3.5e-7) or not (z <= 9.6e-88): tmp = x - (z * math.sin(y)) else: tmp = x * math.cos(y) return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -3.5e-7) || !(z <= 9.6e-88)) 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 <= -3.5e-7) || ~((z <= 9.6e-88))) tmp = x - (z * sin(y)); else tmp = x * cos(y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -3.5e-7], N[Not[LessEqual[z, 9.6e-88]], $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 -3.5 \cdot 10^{-7} \lor \neg \left(z \leq 9.6 \cdot 10^{-88}\right):\\
\;\;\;\;x - z \cdot \sin y\\
\mathbf{else}:\\
\;\;\;\;x \cdot \cos y\\
\end{array}
\end{array}
if z < -3.49999999999999984e-7 or 9.5999999999999998e-88 < z Initial program 99.8%
Taylor expanded in y around 0 86.7%
if -3.49999999999999984e-7 < z < 9.5999999999999998e-88Initial program 99.8%
Taylor expanded in x around inf 90.6%
Final simplification88.5%
(FPCore (x y z) :precision binary64 (if (or (<= y -0.33) (not (<= y 0.00078))) (* x (cos y)) (+ x (* y (- (* y (+ (* x -0.5) (* 0.16666666666666666 (* y z)))) z)))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -0.33) || !(y <= 0.00078)) {
tmp = x * cos(y);
} else {
tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - 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 <= (-0.33d0)) .or. (.not. (y <= 0.00078d0))) then
tmp = x * cos(y)
else
tmp = x + (y * ((y * ((x * (-0.5d0)) + (0.16666666666666666d0 * (y * z)))) - z))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -0.33) || !(y <= 0.00078)) {
tmp = x * Math.cos(y);
} else {
tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - z));
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -0.33) or not (y <= 0.00078): tmp = x * math.cos(y) else: tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - z)) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -0.33) || !(y <= 0.00078)) tmp = Float64(x * cos(y)); else tmp = Float64(x + Float64(y * Float64(Float64(y * Float64(Float64(x * -0.5) + Float64(0.16666666666666666 * Float64(y * z)))) - z))); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -0.33) || ~((y <= 0.00078))) tmp = x * cos(y); else tmp = x + (y * ((y * ((x * -0.5) + (0.16666666666666666 * (y * z)))) - z)); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -0.33], N[Not[LessEqual[y, 0.00078]], $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[(y * z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -0.33 \lor \neg \left(y \leq 0.00078\right):\\
\;\;\;\;x \cdot \cos y\\
\mathbf{else}:\\
\;\;\;\;x + y \cdot \left(y \cdot \left(x \cdot -0.5 + 0.16666666666666666 \cdot \left(y \cdot z\right)\right) - z\right)\\
\end{array}
\end{array}
if y < -0.330000000000000016 or 7.79999999999999986e-4 < y Initial program 99.6%
Taylor expanded in x around inf 51.8%
if -0.330000000000000016 < y < 7.79999999999999986e-4Initial program 100.0%
Taylor expanded in y around 0 99.5%
Final simplification76.0%
(FPCore (x y z) :precision binary64 (if (<= x -2.8e-120) x (if (<= x 5.2e-188) (* y (- z)) x)))
double code(double x, double y, double z) {
double tmp;
if (x <= -2.8e-120) {
tmp = x;
} else if (x <= 5.2e-188) {
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 <= (-2.8d-120)) then
tmp = x
else if (x <= 5.2d-188) 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 <= -2.8e-120) {
tmp = x;
} else if (x <= 5.2e-188) {
tmp = y * -z;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -2.8e-120: tmp = x elif x <= 5.2e-188: tmp = y * -z else: tmp = x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -2.8e-120) tmp = x; elseif (x <= 5.2e-188) tmp = Float64(y * Float64(-z)); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -2.8e-120) tmp = x; elseif (x <= 5.2e-188) tmp = y * -z; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -2.8e-120], x, If[LessEqual[x, 5.2e-188], N[(y * (-z)), $MachinePrecision], x]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.8 \cdot 10^{-120}:\\
\;\;\;\;x\\
\mathbf{elif}\;x \leq 5.2 \cdot 10^{-188}:\\
\;\;\;\;y \cdot \left(-z\right)\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if x < -2.79999999999999994e-120 or 5.2000000000000001e-188 < x Initial program 99.8%
Taylor expanded in x around inf 76.6%
Taylor expanded in y around 0 48.2%
if -2.79999999999999994e-120 < x < 5.2000000000000001e-188Initial program 99.9%
Taylor expanded in x around 0 80.8%
neg-mul-180.8%
*-commutative80.8%
distribute-rgt-neg-in80.8%
Simplified80.8%
Taylor expanded in y around 0 40.9%
mul-1-neg40.9%
distribute-rgt-neg-in40.9%
Simplified40.9%
Final simplification46.4%
(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 99.8%
Taylor expanded in y around 0 53.3%
mul-1-neg53.3%
unsub-neg53.3%
Simplified53.3%
Final simplification53.3%
(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 x around inf 63.2%
Taylor expanded in y around 0 41.2%
Final simplification41.2%
herbie shell --seed 2024115
(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))))