
(FPCore (x)
:precision binary64
(let* ((t_0 (/ 1.0 (fabs x)))
(t_1 (* (* t_0 t_0) t_0))
(t_2 (* (* t_1 t_0) t_0)))
(*
(* (/ 1.0 (sqrt PI)) (exp (* (fabs x) (fabs x))))
(+
(+ (+ t_0 (* (/ 1.0 2.0) t_1)) (* (/ 3.0 4.0) t_2))
(* (/ 15.0 8.0) (* (* t_2 t_0) t_0))))))
double code(double x) {
double t_0 = 1.0 / fabs(x);
double t_1 = (t_0 * t_0) * t_0;
double t_2 = (t_1 * t_0) * t_0;
return ((1.0 / sqrt(((double) M_PI))) * exp((fabs(x) * fabs(x)))) * (((t_0 + ((1.0 / 2.0) * t_1)) + ((3.0 / 4.0) * t_2)) + ((15.0 / 8.0) * ((t_2 * t_0) * t_0)));
}
public static double code(double x) {
double t_0 = 1.0 / Math.abs(x);
double t_1 = (t_0 * t_0) * t_0;
double t_2 = (t_1 * t_0) * t_0;
return ((1.0 / Math.sqrt(Math.PI)) * Math.exp((Math.abs(x) * Math.abs(x)))) * (((t_0 + ((1.0 / 2.0) * t_1)) + ((3.0 / 4.0) * t_2)) + ((15.0 / 8.0) * ((t_2 * t_0) * t_0)));
}
def code(x): t_0 = 1.0 / math.fabs(x) t_1 = (t_0 * t_0) * t_0 t_2 = (t_1 * t_0) * t_0 return ((1.0 / math.sqrt(math.pi)) * math.exp((math.fabs(x) * math.fabs(x)))) * (((t_0 + ((1.0 / 2.0) * t_1)) + ((3.0 / 4.0) * t_2)) + ((15.0 / 8.0) * ((t_2 * t_0) * t_0)))
function code(x) t_0 = Float64(1.0 / abs(x)) t_1 = Float64(Float64(t_0 * t_0) * t_0) t_2 = Float64(Float64(t_1 * t_0) * t_0) return Float64(Float64(Float64(1.0 / sqrt(pi)) * exp(Float64(abs(x) * abs(x)))) * Float64(Float64(Float64(t_0 + Float64(Float64(1.0 / 2.0) * t_1)) + Float64(Float64(3.0 / 4.0) * t_2)) + Float64(Float64(15.0 / 8.0) * Float64(Float64(t_2 * t_0) * t_0)))) end
function tmp = code(x) t_0 = 1.0 / abs(x); t_1 = (t_0 * t_0) * t_0; t_2 = (t_1 * t_0) * t_0; tmp = ((1.0 / sqrt(pi)) * exp((abs(x) * abs(x)))) * (((t_0 + ((1.0 / 2.0) * t_1)) + ((3.0 / 4.0) * t_2)) + ((15.0 / 8.0) * ((t_2 * t_0) * t_0))); end
code[x_] := Block[{t$95$0 = N[(1.0 / N[Abs[x], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(N[(t$95$0 * t$95$0), $MachinePrecision] * t$95$0), $MachinePrecision]}, Block[{t$95$2 = N[(N[(t$95$1 * t$95$0), $MachinePrecision] * t$95$0), $MachinePrecision]}, N[(N[(N[(1.0 / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] * N[Exp[N[(N[Abs[x], $MachinePrecision] * N[Abs[x], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] * N[(N[(N[(t$95$0 + N[(N[(1.0 / 2.0), $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision] + N[(N[(3.0 / 4.0), $MachinePrecision] * t$95$2), $MachinePrecision]), $MachinePrecision] + N[(N[(15.0 / 8.0), $MachinePrecision] * N[(N[(t$95$2 * t$95$0), $MachinePrecision] * t$95$0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{1}{\left|x\right|}\\
t_1 := \left(t\_0 \cdot t\_0\right) \cdot t\_0\\
t_2 := \left(t\_1 \cdot t\_0\right) \cdot t\_0\\
\left(\frac{1}{\sqrt{\pi}} \cdot e^{\left|x\right| \cdot \left|x\right|}\right) \cdot \left(\left(\left(t\_0 + \frac{1}{2} \cdot t\_1\right) + \frac{3}{4} \cdot t\_2\right) + \frac{15}{8} \cdot \left(\left(t\_2 \cdot t\_0\right) \cdot t\_0\right)\right)
\end{array}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 18 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x)
:precision binary64
(let* ((t_0 (/ 1.0 (fabs x)))
(t_1 (* (* t_0 t_0) t_0))
(t_2 (* (* t_1 t_0) t_0)))
(*
(* (/ 1.0 (sqrt PI)) (exp (* (fabs x) (fabs x))))
(+
(+ (+ t_0 (* (/ 1.0 2.0) t_1)) (* (/ 3.0 4.0) t_2))
(* (/ 15.0 8.0) (* (* t_2 t_0) t_0))))))
double code(double x) {
double t_0 = 1.0 / fabs(x);
double t_1 = (t_0 * t_0) * t_0;
double t_2 = (t_1 * t_0) * t_0;
return ((1.0 / sqrt(((double) M_PI))) * exp((fabs(x) * fabs(x)))) * (((t_0 + ((1.0 / 2.0) * t_1)) + ((3.0 / 4.0) * t_2)) + ((15.0 / 8.0) * ((t_2 * t_0) * t_0)));
}
public static double code(double x) {
double t_0 = 1.0 / Math.abs(x);
double t_1 = (t_0 * t_0) * t_0;
double t_2 = (t_1 * t_0) * t_0;
return ((1.0 / Math.sqrt(Math.PI)) * Math.exp((Math.abs(x) * Math.abs(x)))) * (((t_0 + ((1.0 / 2.0) * t_1)) + ((3.0 / 4.0) * t_2)) + ((15.0 / 8.0) * ((t_2 * t_0) * t_0)));
}
def code(x): t_0 = 1.0 / math.fabs(x) t_1 = (t_0 * t_0) * t_0 t_2 = (t_1 * t_0) * t_0 return ((1.0 / math.sqrt(math.pi)) * math.exp((math.fabs(x) * math.fabs(x)))) * (((t_0 + ((1.0 / 2.0) * t_1)) + ((3.0 / 4.0) * t_2)) + ((15.0 / 8.0) * ((t_2 * t_0) * t_0)))
function code(x) t_0 = Float64(1.0 / abs(x)) t_1 = Float64(Float64(t_0 * t_0) * t_0) t_2 = Float64(Float64(t_1 * t_0) * t_0) return Float64(Float64(Float64(1.0 / sqrt(pi)) * exp(Float64(abs(x) * abs(x)))) * Float64(Float64(Float64(t_0 + Float64(Float64(1.0 / 2.0) * t_1)) + Float64(Float64(3.0 / 4.0) * t_2)) + Float64(Float64(15.0 / 8.0) * Float64(Float64(t_2 * t_0) * t_0)))) end
function tmp = code(x) t_0 = 1.0 / abs(x); t_1 = (t_0 * t_0) * t_0; t_2 = (t_1 * t_0) * t_0; tmp = ((1.0 / sqrt(pi)) * exp((abs(x) * abs(x)))) * (((t_0 + ((1.0 / 2.0) * t_1)) + ((3.0 / 4.0) * t_2)) + ((15.0 / 8.0) * ((t_2 * t_0) * t_0))); end
code[x_] := Block[{t$95$0 = N[(1.0 / N[Abs[x], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(N[(t$95$0 * t$95$0), $MachinePrecision] * t$95$0), $MachinePrecision]}, Block[{t$95$2 = N[(N[(t$95$1 * t$95$0), $MachinePrecision] * t$95$0), $MachinePrecision]}, N[(N[(N[(1.0 / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] * N[Exp[N[(N[Abs[x], $MachinePrecision] * N[Abs[x], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] * N[(N[(N[(t$95$0 + N[(N[(1.0 / 2.0), $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision] + N[(N[(3.0 / 4.0), $MachinePrecision] * t$95$2), $MachinePrecision]), $MachinePrecision] + N[(N[(15.0 / 8.0), $MachinePrecision] * N[(N[(t$95$2 * t$95$0), $MachinePrecision] * t$95$0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{1}{\left|x\right|}\\
t_1 := \left(t\_0 \cdot t\_0\right) \cdot t\_0\\
t_2 := \left(t\_1 \cdot t\_0\right) \cdot t\_0\\
\left(\frac{1}{\sqrt{\pi}} \cdot e^{\left|x\right| \cdot \left|x\right|}\right) \cdot \left(\left(\left(t\_0 + \frac{1}{2} \cdot t\_1\right) + \frac{3}{4} \cdot t\_2\right) + \frac{15}{8} \cdot \left(\left(t\_2 \cdot t\_0\right) \cdot t\_0\right)\right)
\end{array}
\end{array}
(FPCore (x)
:precision binary64
(let* ((t_0 (/ 1.0 (* x x))))
(*
(/ (/ (exp (* x x)) (sqrt PI)) (fabs x))
(+ 1.0 (* t_0 (+ 0.5 (* t_0 (+ 0.75 (/ 1.875 (* x x))))))))))
double code(double x) {
double t_0 = 1.0 / (x * x);
return ((exp((x * x)) / sqrt(((double) M_PI))) / fabs(x)) * (1.0 + (t_0 * (0.5 + (t_0 * (0.75 + (1.875 / (x * x)))))));
}
public static double code(double x) {
double t_0 = 1.0 / (x * x);
return ((Math.exp((x * x)) / Math.sqrt(Math.PI)) / Math.abs(x)) * (1.0 + (t_0 * (0.5 + (t_0 * (0.75 + (1.875 / (x * x)))))));
}
def code(x): t_0 = 1.0 / (x * x) return ((math.exp((x * x)) / math.sqrt(math.pi)) / math.fabs(x)) * (1.0 + (t_0 * (0.5 + (t_0 * (0.75 + (1.875 / (x * x)))))))
function code(x) t_0 = Float64(1.0 / Float64(x * x)) return Float64(Float64(Float64(exp(Float64(x * x)) / sqrt(pi)) / abs(x)) * Float64(1.0 + Float64(t_0 * Float64(0.5 + Float64(t_0 * Float64(0.75 + Float64(1.875 / Float64(x * x)))))))) end
function tmp = code(x) t_0 = 1.0 / (x * x); tmp = ((exp((x * x)) / sqrt(pi)) / abs(x)) * (1.0 + (t_0 * (0.5 + (t_0 * (0.75 + (1.875 / (x * x))))))); end
code[x_] := Block[{t$95$0 = N[(1.0 / N[(x * x), $MachinePrecision]), $MachinePrecision]}, N[(N[(N[(N[Exp[N[(x * x), $MachinePrecision]], $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision] * N[(1.0 + N[(t$95$0 * N[(0.5 + N[(t$95$0 * N[(0.75 + N[(1.875 / N[(x * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{1}{x \cdot x}\\
\frac{\frac{e^{x \cdot x}}{\sqrt{\pi}}}{\left|x\right|} \cdot \left(1 + t\_0 \cdot \left(0.5 + t\_0 \cdot \left(0.75 + \frac{1.875}{x \cdot x}\right)\right)\right)
\end{array}
\end{array}
Initial program 100.0%
Simplified100.0%
(FPCore (x)
:precision binary64
(let* ((t_0 (* (* x x) (+ 0.5 (* x (* x 0.16666666666666666)))))
(t_1 (* (* x x) (- -1.0 t_0)))
(t_2 (* (* x x) (+ 1.0 t_0))))
(if (<= (fabs x) 5e+22)
(/
(+ 1.0 (* t_2 (* t_2 t_2)))
(* (/ (fabs x) (pow PI -0.5)) (+ 1.0 (* t_2 (+ t_2 -1.0)))))
(if (<= (fabs x) 5e+49)
(/ (/ (+ 1.0 (* t_2 t_1)) (* (sqrt PI) (+ 1.0 t_1))) (fabs x))
(/
(/
(+
1.0
(*
x
(* x (+ 1.0 (* x (* x (+ 0.5 (* (* x x) 0.16666666666666666))))))))
(sqrt PI))
(fabs x))))))
double code(double x) {
double t_0 = (x * x) * (0.5 + (x * (x * 0.16666666666666666)));
double t_1 = (x * x) * (-1.0 - t_0);
double t_2 = (x * x) * (1.0 + t_0);
double tmp;
if (fabs(x) <= 5e+22) {
tmp = (1.0 + (t_2 * (t_2 * t_2))) / ((fabs(x) / pow(((double) M_PI), -0.5)) * (1.0 + (t_2 * (t_2 + -1.0))));
} else if (fabs(x) <= 5e+49) {
tmp = ((1.0 + (t_2 * t_1)) / (sqrt(((double) M_PI)) * (1.0 + t_1))) / fabs(x);
} else {
tmp = ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / sqrt(((double) M_PI))) / fabs(x);
}
return tmp;
}
public static double code(double x) {
double t_0 = (x * x) * (0.5 + (x * (x * 0.16666666666666666)));
double t_1 = (x * x) * (-1.0 - t_0);
double t_2 = (x * x) * (1.0 + t_0);
double tmp;
if (Math.abs(x) <= 5e+22) {
tmp = (1.0 + (t_2 * (t_2 * t_2))) / ((Math.abs(x) / Math.pow(Math.PI, -0.5)) * (1.0 + (t_2 * (t_2 + -1.0))));
} else if (Math.abs(x) <= 5e+49) {
tmp = ((1.0 + (t_2 * t_1)) / (Math.sqrt(Math.PI) * (1.0 + t_1))) / Math.abs(x);
} else {
tmp = ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / Math.sqrt(Math.PI)) / Math.abs(x);
}
return tmp;
}
def code(x): t_0 = (x * x) * (0.5 + (x * (x * 0.16666666666666666))) t_1 = (x * x) * (-1.0 - t_0) t_2 = (x * x) * (1.0 + t_0) tmp = 0 if math.fabs(x) <= 5e+22: tmp = (1.0 + (t_2 * (t_2 * t_2))) / ((math.fabs(x) / math.pow(math.pi, -0.5)) * (1.0 + (t_2 * (t_2 + -1.0)))) elif math.fabs(x) <= 5e+49: tmp = ((1.0 + (t_2 * t_1)) / (math.sqrt(math.pi) * (1.0 + t_1))) / math.fabs(x) else: tmp = ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / math.sqrt(math.pi)) / math.fabs(x) return tmp
function code(x) t_0 = Float64(Float64(x * x) * Float64(0.5 + Float64(x * Float64(x * 0.16666666666666666)))) t_1 = Float64(Float64(x * x) * Float64(-1.0 - t_0)) t_2 = Float64(Float64(x * x) * Float64(1.0 + t_0)) tmp = 0.0 if (abs(x) <= 5e+22) tmp = Float64(Float64(1.0 + Float64(t_2 * Float64(t_2 * t_2))) / Float64(Float64(abs(x) / (pi ^ -0.5)) * Float64(1.0 + Float64(t_2 * Float64(t_2 + -1.0))))); elseif (abs(x) <= 5e+49) tmp = Float64(Float64(Float64(1.0 + Float64(t_2 * t_1)) / Float64(sqrt(pi) * Float64(1.0 + t_1))) / abs(x)); else tmp = Float64(Float64(Float64(1.0 + Float64(x * Float64(x * Float64(1.0 + Float64(x * Float64(x * Float64(0.5 + Float64(Float64(x * x) * 0.16666666666666666)))))))) / sqrt(pi)) / abs(x)); end return tmp end
function tmp_2 = code(x) t_0 = (x * x) * (0.5 + (x * (x * 0.16666666666666666))); t_1 = (x * x) * (-1.0 - t_0); t_2 = (x * x) * (1.0 + t_0); tmp = 0.0; if (abs(x) <= 5e+22) tmp = (1.0 + (t_2 * (t_2 * t_2))) / ((abs(x) / (pi ^ -0.5)) * (1.0 + (t_2 * (t_2 + -1.0)))); elseif (abs(x) <= 5e+49) tmp = ((1.0 + (t_2 * t_1)) / (sqrt(pi) * (1.0 + t_1))) / abs(x); else tmp = ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / sqrt(pi)) / abs(x); end tmp_2 = tmp; end
code[x_] := Block[{t$95$0 = N[(N[(x * x), $MachinePrecision] * N[(0.5 + N[(x * N[(x * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(N[(x * x), $MachinePrecision] * N[(-1.0 - t$95$0), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(x * x), $MachinePrecision] * N[(1.0 + t$95$0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[Abs[x], $MachinePrecision], 5e+22], N[(N[(1.0 + N[(t$95$2 * N[(t$95$2 * t$95$2), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[(N[Abs[x], $MachinePrecision] / N[Power[Pi, -0.5], $MachinePrecision]), $MachinePrecision] * N[(1.0 + N[(t$95$2 * N[(t$95$2 + -1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[N[Abs[x], $MachinePrecision], 5e+49], N[(N[(N[(1.0 + N[(t$95$2 * t$95$1), $MachinePrecision]), $MachinePrecision] / N[(N[Sqrt[Pi], $MachinePrecision] * N[(1.0 + t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + N[(x * N[(x * N[(1.0 + N[(x * N[(x * N[(0.5 + N[(N[(x * x), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(x \cdot x\right) \cdot \left(0.5 + x \cdot \left(x \cdot 0.16666666666666666\right)\right)\\
t_1 := \left(x \cdot x\right) \cdot \left(-1 - t\_0\right)\\
t_2 := \left(x \cdot x\right) \cdot \left(1 + t\_0\right)\\
\mathbf{if}\;\left|x\right| \leq 5 \cdot 10^{+22}:\\
\;\;\;\;\frac{1 + t\_2 \cdot \left(t\_2 \cdot t\_2\right)}{\frac{\left|x\right|}{{\pi}^{-0.5}} \cdot \left(1 + t\_2 \cdot \left(t\_2 + -1\right)\right)}\\
\mathbf{elif}\;\left|x\right| \leq 5 \cdot 10^{+49}:\\
\;\;\;\;\frac{\frac{1 + t\_2 \cdot t\_1}{\sqrt{\pi} \cdot \left(1 + t\_1\right)}}{\left|x\right|}\\
\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + x \cdot \left(x \cdot \left(1 + x \cdot \left(x \cdot \left(0.5 + \left(x \cdot x\right) \cdot 0.16666666666666666\right)\right)\right)\right)}{\sqrt{\pi}}}{\left|x\right|}\\
\end{array}
\end{array}
if (fabs.f64 x) < 4.9999999999999996e22Initial program 99.9%
Simplified100.0%
Taylor expanded in x around inf
Simplified95.5%
Taylor expanded in x around 0
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f644.5%
Simplified4.5%
Applied egg-rr36.5%
if 4.9999999999999996e22 < (fabs.f64 x) < 5.0000000000000004e49Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified100.0%
Taylor expanded in x around 0
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f645.4%
Simplified5.4%
flip-+N/A
associate-/l/N/A
/-lowering-/.f64N/A
Applied egg-rr86.3%
if 5.0000000000000004e49 < (fabs.f64 x) Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified100.0%
*-rgt-identityN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64N/A
fabs-lowering-fabs.f64100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0
+-lowering-+.f64N/A
unpow2N/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64100.0%
Simplified100.0%
Final simplification94.4%
(FPCore (x)
:precision binary64
(let* ((t_0 (+ 0.5 (* x (* x 0.16666666666666666))))
(t_1 (* (* x x) t_0))
(t_2 (* (* x x) (- -1.0 t_1))))
(if (<= (fabs x) 5e+30)
(/
(+ 1.0 (* (* (* x x) (+ 1.0 t_1)) t_2))
(* (/ (fabs x) (pow PI -0.5)) (+ 1.0 t_2)))
(if (<= (fabs x) 2e+77)
(/
(/
(+
1.0
(/
(* (* x x) (- 1.0 (* t_0 (* t_0 (* x (* x (* x x)))))))
(- 1.0 t_1)))
(sqrt PI))
(fabs x))
(/ (/ (* x (* x (* (* x x) 0.5))) (sqrt PI)) (fabs x))))))
double code(double x) {
double t_0 = 0.5 + (x * (x * 0.16666666666666666));
double t_1 = (x * x) * t_0;
double t_2 = (x * x) * (-1.0 - t_1);
double tmp;
if (fabs(x) <= 5e+30) {
tmp = (1.0 + (((x * x) * (1.0 + t_1)) * t_2)) / ((fabs(x) / pow(((double) M_PI), -0.5)) * (1.0 + t_2));
} else if (fabs(x) <= 2e+77) {
tmp = ((1.0 + (((x * x) * (1.0 - (t_0 * (t_0 * (x * (x * (x * x))))))) / (1.0 - t_1))) / sqrt(((double) M_PI))) / fabs(x);
} else {
tmp = ((x * (x * ((x * x) * 0.5))) / sqrt(((double) M_PI))) / fabs(x);
}
return tmp;
}
public static double code(double x) {
double t_0 = 0.5 + (x * (x * 0.16666666666666666));
double t_1 = (x * x) * t_0;
double t_2 = (x * x) * (-1.0 - t_1);
double tmp;
if (Math.abs(x) <= 5e+30) {
tmp = (1.0 + (((x * x) * (1.0 + t_1)) * t_2)) / ((Math.abs(x) / Math.pow(Math.PI, -0.5)) * (1.0 + t_2));
} else if (Math.abs(x) <= 2e+77) {
tmp = ((1.0 + (((x * x) * (1.0 - (t_0 * (t_0 * (x * (x * (x * x))))))) / (1.0 - t_1))) / Math.sqrt(Math.PI)) / Math.abs(x);
} else {
tmp = ((x * (x * ((x * x) * 0.5))) / Math.sqrt(Math.PI)) / Math.abs(x);
}
return tmp;
}
def code(x): t_0 = 0.5 + (x * (x * 0.16666666666666666)) t_1 = (x * x) * t_0 t_2 = (x * x) * (-1.0 - t_1) tmp = 0 if math.fabs(x) <= 5e+30: tmp = (1.0 + (((x * x) * (1.0 + t_1)) * t_2)) / ((math.fabs(x) / math.pow(math.pi, -0.5)) * (1.0 + t_2)) elif math.fabs(x) <= 2e+77: tmp = ((1.0 + (((x * x) * (1.0 - (t_0 * (t_0 * (x * (x * (x * x))))))) / (1.0 - t_1))) / math.sqrt(math.pi)) / math.fabs(x) else: tmp = ((x * (x * ((x * x) * 0.5))) / math.sqrt(math.pi)) / math.fabs(x) return tmp
function code(x) t_0 = Float64(0.5 + Float64(x * Float64(x * 0.16666666666666666))) t_1 = Float64(Float64(x * x) * t_0) t_2 = Float64(Float64(x * x) * Float64(-1.0 - t_1)) tmp = 0.0 if (abs(x) <= 5e+30) tmp = Float64(Float64(1.0 + Float64(Float64(Float64(x * x) * Float64(1.0 + t_1)) * t_2)) / Float64(Float64(abs(x) / (pi ^ -0.5)) * Float64(1.0 + t_2))); elseif (abs(x) <= 2e+77) tmp = Float64(Float64(Float64(1.0 + Float64(Float64(Float64(x * x) * Float64(1.0 - Float64(t_0 * Float64(t_0 * Float64(x * Float64(x * Float64(x * x))))))) / Float64(1.0 - t_1))) / sqrt(pi)) / abs(x)); else tmp = Float64(Float64(Float64(x * Float64(x * Float64(Float64(x * x) * 0.5))) / sqrt(pi)) / abs(x)); end return tmp end
function tmp_2 = code(x) t_0 = 0.5 + (x * (x * 0.16666666666666666)); t_1 = (x * x) * t_0; t_2 = (x * x) * (-1.0 - t_1); tmp = 0.0; if (abs(x) <= 5e+30) tmp = (1.0 + (((x * x) * (1.0 + t_1)) * t_2)) / ((abs(x) / (pi ^ -0.5)) * (1.0 + t_2)); elseif (abs(x) <= 2e+77) tmp = ((1.0 + (((x * x) * (1.0 - (t_0 * (t_0 * (x * (x * (x * x))))))) / (1.0 - t_1))) / sqrt(pi)) / abs(x); else tmp = ((x * (x * ((x * x) * 0.5))) / sqrt(pi)) / abs(x); end tmp_2 = tmp; end
code[x_] := Block[{t$95$0 = N[(0.5 + N[(x * N[(x * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(N[(x * x), $MachinePrecision] * t$95$0), $MachinePrecision]}, Block[{t$95$2 = N[(N[(x * x), $MachinePrecision] * N[(-1.0 - t$95$1), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[Abs[x], $MachinePrecision], 5e+30], N[(N[(1.0 + N[(N[(N[(x * x), $MachinePrecision] * N[(1.0 + t$95$1), $MachinePrecision]), $MachinePrecision] * t$95$2), $MachinePrecision]), $MachinePrecision] / N[(N[(N[Abs[x], $MachinePrecision] / N[Power[Pi, -0.5], $MachinePrecision]), $MachinePrecision] * N[(1.0 + t$95$2), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[N[Abs[x], $MachinePrecision], 2e+77], N[(N[(N[(1.0 + N[(N[(N[(x * x), $MachinePrecision] * N[(1.0 - N[(t$95$0 * N[(t$95$0 * N[(x * N[(x * N[(x * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(1.0 - t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision], N[(N[(N[(x * N[(x * N[(N[(x * x), $MachinePrecision] * 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := 0.5 + x \cdot \left(x \cdot 0.16666666666666666\right)\\
t_1 := \left(x \cdot x\right) \cdot t\_0\\
t_2 := \left(x \cdot x\right) \cdot \left(-1 - t\_1\right)\\
\mathbf{if}\;\left|x\right| \leq 5 \cdot 10^{+30}:\\
\;\;\;\;\frac{1 + \left(\left(x \cdot x\right) \cdot \left(1 + t\_1\right)\right) \cdot t\_2}{\frac{\left|x\right|}{{\pi}^{-0.5}} \cdot \left(1 + t\_2\right)}\\
\mathbf{elif}\;\left|x\right| \leq 2 \cdot 10^{+77}:\\
\;\;\;\;\frac{\frac{1 + \frac{\left(x \cdot x\right) \cdot \left(1 - t\_0 \cdot \left(t\_0 \cdot \left(x \cdot \left(x \cdot \left(x \cdot x\right)\right)\right)\right)\right)}{1 - t\_1}}{\sqrt{\pi}}}{\left|x\right|}\\
\mathbf{else}:\\
\;\;\;\;\frac{\frac{x \cdot \left(x \cdot \left(\left(x \cdot x\right) \cdot 0.5\right)\right)}{\sqrt{\pi}}}{\left|x\right|}\\
\end{array}
\end{array}
if (fabs.f64 x) < 4.9999999999999998e30Initial program 99.9%
Simplified100.0%
Taylor expanded in x around inf
Simplified96.9%
Taylor expanded in x around 0
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f644.4%
Simplified4.4%
*-rgt-identityN/A
associate-/l/N/A
flip-+N/A
associate-/l/N/A
/-lowering-/.f64N/A
Applied egg-rr22.8%
if 4.9999999999999998e30 < (fabs.f64 x) < 1.99999999999999997e77Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified100.0%
Taylor expanded in x around 0
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f6459.2%
Simplified59.2%
*-commutativeN/A
flip-+N/A
associate-*l/N/A
/-lowering-/.f64N/A
Applied egg-rr100.0%
if 1.99999999999999997e77 < (fabs.f64 x) Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified100.0%
Taylor expanded in x around 0
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64100.0%
Simplified100.0%
Taylor expanded in x around inf
metadata-evalN/A
pow-sqrN/A
associate-*l*N/A
*-commutativeN/A
unpow2N/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64100.0%
Simplified100.0%
Final simplification92.2%
(FPCore (x)
:precision binary64
(let* ((t_0 (* (* x x) (+ 0.5 (* x (* x 0.16666666666666666)))))
(t_1 (* (* x x) (- -1.0 t_0))))
(if (<= (fabs x) 5e+49)
(/
(/ (+ 1.0 (* (* (* x x) (+ 1.0 t_0)) t_1)) (* (sqrt PI) (+ 1.0 t_1)))
(fabs x))
(/
(/
(+
1.0
(*
x
(* x (+ 1.0 (* x (* x (+ 0.5 (* (* x x) 0.16666666666666666))))))))
(sqrt PI))
(fabs x)))))
double code(double x) {
double t_0 = (x * x) * (0.5 + (x * (x * 0.16666666666666666)));
double t_1 = (x * x) * (-1.0 - t_0);
double tmp;
if (fabs(x) <= 5e+49) {
tmp = ((1.0 + (((x * x) * (1.0 + t_0)) * t_1)) / (sqrt(((double) M_PI)) * (1.0 + t_1))) / fabs(x);
} else {
tmp = ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / sqrt(((double) M_PI))) / fabs(x);
}
return tmp;
}
public static double code(double x) {
double t_0 = (x * x) * (0.5 + (x * (x * 0.16666666666666666)));
double t_1 = (x * x) * (-1.0 - t_0);
double tmp;
if (Math.abs(x) <= 5e+49) {
tmp = ((1.0 + (((x * x) * (1.0 + t_0)) * t_1)) / (Math.sqrt(Math.PI) * (1.0 + t_1))) / Math.abs(x);
} else {
tmp = ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / Math.sqrt(Math.PI)) / Math.abs(x);
}
return tmp;
}
def code(x): t_0 = (x * x) * (0.5 + (x * (x * 0.16666666666666666))) t_1 = (x * x) * (-1.0 - t_0) tmp = 0 if math.fabs(x) <= 5e+49: tmp = ((1.0 + (((x * x) * (1.0 + t_0)) * t_1)) / (math.sqrt(math.pi) * (1.0 + t_1))) / math.fabs(x) else: tmp = ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / math.sqrt(math.pi)) / math.fabs(x) return tmp
function code(x) t_0 = Float64(Float64(x * x) * Float64(0.5 + Float64(x * Float64(x * 0.16666666666666666)))) t_1 = Float64(Float64(x * x) * Float64(-1.0 - t_0)) tmp = 0.0 if (abs(x) <= 5e+49) tmp = Float64(Float64(Float64(1.0 + Float64(Float64(Float64(x * x) * Float64(1.0 + t_0)) * t_1)) / Float64(sqrt(pi) * Float64(1.0 + t_1))) / abs(x)); else tmp = Float64(Float64(Float64(1.0 + Float64(x * Float64(x * Float64(1.0 + Float64(x * Float64(x * Float64(0.5 + Float64(Float64(x * x) * 0.16666666666666666)))))))) / sqrt(pi)) / abs(x)); end return tmp end
function tmp_2 = code(x) t_0 = (x * x) * (0.5 + (x * (x * 0.16666666666666666))); t_1 = (x * x) * (-1.0 - t_0); tmp = 0.0; if (abs(x) <= 5e+49) tmp = ((1.0 + (((x * x) * (1.0 + t_0)) * t_1)) / (sqrt(pi) * (1.0 + t_1))) / abs(x); else tmp = ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / sqrt(pi)) / abs(x); end tmp_2 = tmp; end
code[x_] := Block[{t$95$0 = N[(N[(x * x), $MachinePrecision] * N[(0.5 + N[(x * N[(x * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(N[(x * x), $MachinePrecision] * N[(-1.0 - t$95$0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[Abs[x], $MachinePrecision], 5e+49], N[(N[(N[(1.0 + N[(N[(N[(x * x), $MachinePrecision] * N[(1.0 + t$95$0), $MachinePrecision]), $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision] / N[(N[Sqrt[Pi], $MachinePrecision] * N[(1.0 + t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + N[(x * N[(x * N[(1.0 + N[(x * N[(x * N[(0.5 + N[(N[(x * x), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(x \cdot x\right) \cdot \left(0.5 + x \cdot \left(x \cdot 0.16666666666666666\right)\right)\\
t_1 := \left(x \cdot x\right) \cdot \left(-1 - t\_0\right)\\
\mathbf{if}\;\left|x\right| \leq 5 \cdot 10^{+49}:\\
\;\;\;\;\frac{\frac{1 + \left(\left(x \cdot x\right) \cdot \left(1 + t\_0\right)\right) \cdot t\_1}{\sqrt{\pi} \cdot \left(1 + t\_1\right)}}{\left|x\right|}\\
\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + x \cdot \left(x \cdot \left(1 + x \cdot \left(x \cdot \left(0.5 + \left(x \cdot x\right) \cdot 0.16666666666666666\right)\right)\right)\right)}{\sqrt{\pi}}}{\left|x\right|}\\
\end{array}
\end{array}
if (fabs.f64 x) < 5.0000000000000004e49Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified97.9%
Taylor expanded in x around 0
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f644.9%
Simplified4.9%
flip-+N/A
associate-/l/N/A
/-lowering-/.f64N/A
Applied egg-rr48.5%
if 5.0000000000000004e49 < (fabs.f64 x) Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified100.0%
*-rgt-identityN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64N/A
fabs-lowering-fabs.f64100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0
+-lowering-+.f64N/A
unpow2N/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64100.0%
Simplified100.0%
Final simplification92.2%
(FPCore (x)
:precision binary64
(let* ((t_0 (+ 0.5 (* x (* x 0.16666666666666666)))))
(if (<= (fabs x) 2e+77)
(/
(/
(+
1.0
(/
(* (* x x) (- 1.0 (* t_0 (* t_0 (* x (* x (* x x)))))))
(- 1.0 (* (* x x) t_0))))
(sqrt PI))
(fabs x))
(/ (/ (* x (* x (* (* x x) 0.5))) (sqrt PI)) (fabs x)))))
double code(double x) {
double t_0 = 0.5 + (x * (x * 0.16666666666666666));
double tmp;
if (fabs(x) <= 2e+77) {
tmp = ((1.0 + (((x * x) * (1.0 - (t_0 * (t_0 * (x * (x * (x * x))))))) / (1.0 - ((x * x) * t_0)))) / sqrt(((double) M_PI))) / fabs(x);
} else {
tmp = ((x * (x * ((x * x) * 0.5))) / sqrt(((double) M_PI))) / fabs(x);
}
return tmp;
}
public static double code(double x) {
double t_0 = 0.5 + (x * (x * 0.16666666666666666));
double tmp;
if (Math.abs(x) <= 2e+77) {
tmp = ((1.0 + (((x * x) * (1.0 - (t_0 * (t_0 * (x * (x * (x * x))))))) / (1.0 - ((x * x) * t_0)))) / Math.sqrt(Math.PI)) / Math.abs(x);
} else {
tmp = ((x * (x * ((x * x) * 0.5))) / Math.sqrt(Math.PI)) / Math.abs(x);
}
return tmp;
}
def code(x): t_0 = 0.5 + (x * (x * 0.16666666666666666)) tmp = 0 if math.fabs(x) <= 2e+77: tmp = ((1.0 + (((x * x) * (1.0 - (t_0 * (t_0 * (x * (x * (x * x))))))) / (1.0 - ((x * x) * t_0)))) / math.sqrt(math.pi)) / math.fabs(x) else: tmp = ((x * (x * ((x * x) * 0.5))) / math.sqrt(math.pi)) / math.fabs(x) return tmp
function code(x) t_0 = Float64(0.5 + Float64(x * Float64(x * 0.16666666666666666))) tmp = 0.0 if (abs(x) <= 2e+77) tmp = Float64(Float64(Float64(1.0 + Float64(Float64(Float64(x * x) * Float64(1.0 - Float64(t_0 * Float64(t_0 * Float64(x * Float64(x * Float64(x * x))))))) / Float64(1.0 - Float64(Float64(x * x) * t_0)))) / sqrt(pi)) / abs(x)); else tmp = Float64(Float64(Float64(x * Float64(x * Float64(Float64(x * x) * 0.5))) / sqrt(pi)) / abs(x)); end return tmp end
function tmp_2 = code(x) t_0 = 0.5 + (x * (x * 0.16666666666666666)); tmp = 0.0; if (abs(x) <= 2e+77) tmp = ((1.0 + (((x * x) * (1.0 - (t_0 * (t_0 * (x * (x * (x * x))))))) / (1.0 - ((x * x) * t_0)))) / sqrt(pi)) / abs(x); else tmp = ((x * (x * ((x * x) * 0.5))) / sqrt(pi)) / abs(x); end tmp_2 = tmp; end
code[x_] := Block[{t$95$0 = N[(0.5 + N[(x * N[(x * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[Abs[x], $MachinePrecision], 2e+77], N[(N[(N[(1.0 + N[(N[(N[(x * x), $MachinePrecision] * N[(1.0 - N[(t$95$0 * N[(t$95$0 * N[(x * N[(x * N[(x * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(1.0 - N[(N[(x * x), $MachinePrecision] * t$95$0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision], N[(N[(N[(x * N[(x * N[(N[(x * x), $MachinePrecision] * 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := 0.5 + x \cdot \left(x \cdot 0.16666666666666666\right)\\
\mathbf{if}\;\left|x\right| \leq 2 \cdot 10^{+77}:\\
\;\;\;\;\frac{\frac{1 + \frac{\left(x \cdot x\right) \cdot \left(1 - t\_0 \cdot \left(t\_0 \cdot \left(x \cdot \left(x \cdot \left(x \cdot x\right)\right)\right)\right)\right)}{1 - \left(x \cdot x\right) \cdot t\_0}}{\sqrt{\pi}}}{\left|x\right|}\\
\mathbf{else}:\\
\;\;\;\;\frac{\frac{x \cdot \left(x \cdot \left(\left(x \cdot x\right) \cdot 0.5\right)\right)}{\sqrt{\pi}}}{\left|x\right|}\\
\end{array}
\end{array}
if (fabs.f64 x) < 1.99999999999999997e77Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified98.5%
Taylor expanded in x around 0
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f6433.8%
Simplified33.8%
*-commutativeN/A
flip-+N/A
associate-*l/N/A
/-lowering-/.f64N/A
Applied egg-rr55.6%
if 1.99999999999999997e77 < (fabs.f64 x) Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified100.0%
Taylor expanded in x around 0
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64100.0%
Simplified100.0%
Taylor expanded in x around inf
metadata-evalN/A
pow-sqrN/A
associate-*l*N/A
*-commutativeN/A
unpow2N/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64100.0%
Simplified100.0%
Final simplification90.3%
(FPCore (x)
:precision binary64
(let* ((t_0 (* x (* x 0.5))) (t_1 (* x (* x (- -1.0 t_0)))))
(if (<= (fabs x) 5e+49)
(/
(+ 1.0 (* (* x x) (* (+ 1.0 t_0) t_1)))
(* (fabs (* x (sqrt PI))) (+ 1.0 t_1)))
(/
(/
(+
1.0
(*
x
(* x (+ 1.0 (* x (* x (+ 0.5 (* (* x x) 0.16666666666666666))))))))
(sqrt PI))
(fabs x)))))
double code(double x) {
double t_0 = x * (x * 0.5);
double t_1 = x * (x * (-1.0 - t_0));
double tmp;
if (fabs(x) <= 5e+49) {
tmp = (1.0 + ((x * x) * ((1.0 + t_0) * t_1))) / (fabs((x * sqrt(((double) M_PI)))) * (1.0 + t_1));
} else {
tmp = ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / sqrt(((double) M_PI))) / fabs(x);
}
return tmp;
}
public static double code(double x) {
double t_0 = x * (x * 0.5);
double t_1 = x * (x * (-1.0 - t_0));
double tmp;
if (Math.abs(x) <= 5e+49) {
tmp = (1.0 + ((x * x) * ((1.0 + t_0) * t_1))) / (Math.abs((x * Math.sqrt(Math.PI))) * (1.0 + t_1));
} else {
tmp = ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / Math.sqrt(Math.PI)) / Math.abs(x);
}
return tmp;
}
def code(x): t_0 = x * (x * 0.5) t_1 = x * (x * (-1.0 - t_0)) tmp = 0 if math.fabs(x) <= 5e+49: tmp = (1.0 + ((x * x) * ((1.0 + t_0) * t_1))) / (math.fabs((x * math.sqrt(math.pi))) * (1.0 + t_1)) else: tmp = ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / math.sqrt(math.pi)) / math.fabs(x) return tmp
function code(x) t_0 = Float64(x * Float64(x * 0.5)) t_1 = Float64(x * Float64(x * Float64(-1.0 - t_0))) tmp = 0.0 if (abs(x) <= 5e+49) tmp = Float64(Float64(1.0 + Float64(Float64(x * x) * Float64(Float64(1.0 + t_0) * t_1))) / Float64(abs(Float64(x * sqrt(pi))) * Float64(1.0 + t_1))); else tmp = Float64(Float64(Float64(1.0 + Float64(x * Float64(x * Float64(1.0 + Float64(x * Float64(x * Float64(0.5 + Float64(Float64(x * x) * 0.16666666666666666)))))))) / sqrt(pi)) / abs(x)); end return tmp end
function tmp_2 = code(x) t_0 = x * (x * 0.5); t_1 = x * (x * (-1.0 - t_0)); tmp = 0.0; if (abs(x) <= 5e+49) tmp = (1.0 + ((x * x) * ((1.0 + t_0) * t_1))) / (abs((x * sqrt(pi))) * (1.0 + t_1)); else tmp = ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / sqrt(pi)) / abs(x); end tmp_2 = tmp; end
code[x_] := Block[{t$95$0 = N[(x * N[(x * 0.5), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(x * N[(x * N[(-1.0 - t$95$0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[Abs[x], $MachinePrecision], 5e+49], N[(N[(1.0 + N[(N[(x * x), $MachinePrecision] * N[(N[(1.0 + t$95$0), $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[Abs[N[(x * N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision]], $MachinePrecision] * N[(1.0 + t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(1.0 + N[(x * N[(x * N[(1.0 + N[(x * N[(x * N[(0.5 + N[(N[(x * x), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \left(x \cdot 0.5\right)\\
t_1 := x \cdot \left(x \cdot \left(-1 - t\_0\right)\right)\\
\mathbf{if}\;\left|x\right| \leq 5 \cdot 10^{+49}:\\
\;\;\;\;\frac{1 + \left(x \cdot x\right) \cdot \left(\left(1 + t\_0\right) \cdot t\_1\right)}{\left|x \cdot \sqrt{\pi}\right| \cdot \left(1 + t\_1\right)}\\
\mathbf{else}:\\
\;\;\;\;\frac{\frac{1 + x \cdot \left(x \cdot \left(1 + x \cdot \left(x \cdot \left(0.5 + \left(x \cdot x\right) \cdot 0.16666666666666666\right)\right)\right)\right)}{\sqrt{\pi}}}{\left|x\right|}\\
\end{array}
\end{array}
if (fabs.f64 x) < 5.0000000000000004e49Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified97.9%
Taylor expanded in x around 0
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f644.2%
Simplified4.2%
*-rgt-identityN/A
associate-/l/N/A
flip-+N/A
associate-/l/N/A
/-lowering-/.f64N/A
Applied egg-rr31.1%
if 5.0000000000000004e49 < (fabs.f64 x) Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified100.0%
*-rgt-identityN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64N/A
fabs-lowering-fabs.f64100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0
+-lowering-+.f64N/A
unpow2N/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64100.0%
Simplified100.0%
Final simplification89.5%
(FPCore (x) :precision binary64 (* (/ (/ (exp (* x x)) (sqrt PI)) (fabs x)) (+ 1.0 (/ (+ 0.5 (/ 0.75 (* x x))) (* x x)))))
double code(double x) {
return ((exp((x * x)) / sqrt(((double) M_PI))) / fabs(x)) * (1.0 + ((0.5 + (0.75 / (x * x))) / (x * x)));
}
public static double code(double x) {
return ((Math.exp((x * x)) / Math.sqrt(Math.PI)) / Math.abs(x)) * (1.0 + ((0.5 + (0.75 / (x * x))) / (x * x)));
}
def code(x): return ((math.exp((x * x)) / math.sqrt(math.pi)) / math.fabs(x)) * (1.0 + ((0.5 + (0.75 / (x * x))) / (x * x)))
function code(x) return Float64(Float64(Float64(exp(Float64(x * x)) / sqrt(pi)) / abs(x)) * Float64(1.0 + Float64(Float64(0.5 + Float64(0.75 / Float64(x * x))) / Float64(x * x)))) end
function tmp = code(x) tmp = ((exp((x * x)) / sqrt(pi)) / abs(x)) * (1.0 + ((0.5 + (0.75 / (x * x))) / (x * x))); end
code[x_] := N[(N[(N[(N[Exp[N[(x * x), $MachinePrecision]], $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision] * N[(1.0 + N[(N[(0.5 + N[(0.75 / N[(x * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(x * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{e^{x \cdot x}}{\sqrt{\pi}}}{\left|x\right|} \cdot \left(1 + \frac{0.5 + \frac{0.75}{x \cdot x}}{x \cdot x}\right)
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
/-lowering-/.f64N/A
+-lowering-+.f64N/A
associate-*r/N/A
metadata-evalN/A
/-lowering-/.f64N/A
unpow2N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f6499.7%
Simplified99.7%
(FPCore (x) :precision binary64 (* (/ (/ (exp (* x x)) (sqrt PI)) (fabs x)) (+ 1.0 (/ 0.5 (* x x)))))
double code(double x) {
return ((exp((x * x)) / sqrt(((double) M_PI))) / fabs(x)) * (1.0 + (0.5 / (x * x)));
}
public static double code(double x) {
return ((Math.exp((x * x)) / Math.sqrt(Math.PI)) / Math.abs(x)) * (1.0 + (0.5 / (x * x)));
}
def code(x): return ((math.exp((x * x)) / math.sqrt(math.pi)) / math.fabs(x)) * (1.0 + (0.5 / (x * x)))
function code(x) return Float64(Float64(Float64(exp(Float64(x * x)) / sqrt(pi)) / abs(x)) * Float64(1.0 + Float64(0.5 / Float64(x * x)))) end
function tmp = code(x) tmp = ((exp((x * x)) / sqrt(pi)) / abs(x)) * (1.0 + (0.5 / (x * x))); end
code[x_] := N[(N[(N[(N[Exp[N[(x * x), $MachinePrecision]], $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision] * N[(1.0 + N[(0.5 / N[(x * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{e^{x \cdot x}}{\sqrt{\pi}}}{\left|x\right|} \cdot \left(1 + \frac{0.5}{x \cdot x}\right)
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
+-lowering-+.f64N/A
associate-*r/N/A
metadata-evalN/A
/-lowering-/.f64N/A
unpow2N/A
*-lowering-*.f6499.7%
Simplified99.7%
(FPCore (x) :precision binary64 (/ (/ (exp (* x x)) (sqrt PI)) (fabs x)))
double code(double x) {
return (exp((x * x)) / sqrt(((double) M_PI))) / fabs(x);
}
public static double code(double x) {
return (Math.exp((x * x)) / Math.sqrt(Math.PI)) / Math.abs(x);
}
def code(x): return (math.exp((x * x)) / math.sqrt(math.pi)) / math.fabs(x)
function code(x) return Float64(Float64(exp(Float64(x * x)) / sqrt(pi)) / abs(x)) end
function tmp = code(x) tmp = (exp((x * x)) / sqrt(pi)) / abs(x); end
code[x_] := N[(N[(N[Exp[N[(x * x), $MachinePrecision]], $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{e^{x \cdot x}}{\sqrt{\pi}}}{\left|x\right|}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified99.7%
*-rgt-identityN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64N/A
fabs-lowering-fabs.f6499.7%
Applied egg-rr99.7%
(FPCore (x)
:precision binary64
(*
(+ 1.0 (/ (+ 0.5 (/ 0.75 (* x x))) (* x x)))
(/
(/
(+
1.0
(* (* x x) (+ 1.0 (* (* x x) (+ 0.5 (* (* x x) 0.16666666666666666))))))
(sqrt PI))
(fabs x))))
double code(double x) {
return (1.0 + ((0.5 + (0.75 / (x * x))) / (x * x))) * (((1.0 + ((x * x) * (1.0 + ((x * x) * (0.5 + ((x * x) * 0.16666666666666666)))))) / sqrt(((double) M_PI))) / fabs(x));
}
public static double code(double x) {
return (1.0 + ((0.5 + (0.75 / (x * x))) / (x * x))) * (((1.0 + ((x * x) * (1.0 + ((x * x) * (0.5 + ((x * x) * 0.16666666666666666)))))) / Math.sqrt(Math.PI)) / Math.abs(x));
}
def code(x): return (1.0 + ((0.5 + (0.75 / (x * x))) / (x * x))) * (((1.0 + ((x * x) * (1.0 + ((x * x) * (0.5 + ((x * x) * 0.16666666666666666)))))) / math.sqrt(math.pi)) / math.fabs(x))
function code(x) return Float64(Float64(1.0 + Float64(Float64(0.5 + Float64(0.75 / Float64(x * x))) / Float64(x * x))) * Float64(Float64(Float64(1.0 + Float64(Float64(x * x) * Float64(1.0 + Float64(Float64(x * x) * Float64(0.5 + Float64(Float64(x * x) * 0.16666666666666666)))))) / sqrt(pi)) / abs(x))) end
function tmp = code(x) tmp = (1.0 + ((0.5 + (0.75 / (x * x))) / (x * x))) * (((1.0 + ((x * x) * (1.0 + ((x * x) * (0.5 + ((x * x) * 0.16666666666666666)))))) / sqrt(pi)) / abs(x)); end
code[x_] := N[(N[(1.0 + N[(N[(0.5 + N[(0.75 / N[(x * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(x * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(N[(1.0 + N[(N[(x * x), $MachinePrecision] * N[(1.0 + N[(N[(x * x), $MachinePrecision] * N[(0.5 + N[(N[(x * x), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(1 + \frac{0.5 + \frac{0.75}{x \cdot x}}{x \cdot x}\right) \cdot \frac{\frac{1 + \left(x \cdot x\right) \cdot \left(1 + \left(x \cdot x\right) \cdot \left(0.5 + \left(x \cdot x\right) \cdot 0.16666666666666666\right)\right)}{\sqrt{\pi}}}{\left|x\right|}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
/-lowering-/.f64N/A
+-lowering-+.f64N/A
associate-*r/N/A
metadata-evalN/A
/-lowering-/.f64N/A
unpow2N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f6499.7%
Simplified99.7%
Taylor expanded in x around 0
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f6485.5%
Simplified85.5%
Final simplification85.5%
(FPCore (x)
:precision binary64
(/
(/
(+
1.0
(* x (* x (+ 1.0 (* x (* x (+ 0.5 (* (* x x) 0.16666666666666666))))))))
(sqrt PI))
(fabs x)))
double code(double x) {
return ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / sqrt(((double) M_PI))) / fabs(x);
}
public static double code(double x) {
return ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / Math.sqrt(Math.PI)) / Math.abs(x);
}
def code(x): return ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / math.sqrt(math.pi)) / math.fabs(x)
function code(x) return Float64(Float64(Float64(1.0 + Float64(x * Float64(x * Float64(1.0 + Float64(x * Float64(x * Float64(0.5 + Float64(Float64(x * x) * 0.16666666666666666)))))))) / sqrt(pi)) / abs(x)) end
function tmp = code(x) tmp = ((1.0 + (x * (x * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666)))))))) / sqrt(pi)) / abs(x); end
code[x_] := N[(N[(N[(1.0 + N[(x * N[(x * N[(1.0 + N[(x * N[(x * N[(0.5 + N[(N[(x * x), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{1 + x \cdot \left(x \cdot \left(1 + x \cdot \left(x \cdot \left(0.5 + \left(x \cdot x\right) \cdot 0.16666666666666666\right)\right)\right)\right)}{\sqrt{\pi}}}{\left|x\right|}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified99.7%
*-rgt-identityN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64N/A
fabs-lowering-fabs.f6499.7%
Applied egg-rr99.7%
Taylor expanded in x around 0
+-lowering-+.f64N/A
unpow2N/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f6485.5%
Simplified85.5%
(FPCore (x) :precision binary64 (/ (+ 1.0 (* (* x x) (+ 1.0 (* x (* x (+ 0.5 (* (* x x) 0.16666666666666666))))))) (fabs (* x (sqrt PI)))))
double code(double x) {
return (1.0 + ((x * x) * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666))))))) / fabs((x * sqrt(((double) M_PI))));
}
public static double code(double x) {
return (1.0 + ((x * x) * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666))))))) / Math.abs((x * Math.sqrt(Math.PI)));
}
def code(x): return (1.0 + ((x * x) * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666))))))) / math.fabs((x * math.sqrt(math.pi)))
function code(x) return Float64(Float64(1.0 + Float64(Float64(x * x) * Float64(1.0 + Float64(x * Float64(x * Float64(0.5 + Float64(Float64(x * x) * 0.16666666666666666))))))) / abs(Float64(x * sqrt(pi)))) end
function tmp = code(x) tmp = (1.0 + ((x * x) * (1.0 + (x * (x * (0.5 + ((x * x) * 0.16666666666666666))))))) / abs((x * sqrt(pi))); end
code[x_] := N[(N[(1.0 + N[(N[(x * x), $MachinePrecision] * N[(1.0 + N[(x * N[(x * N[(0.5 + N[(N[(x * x), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Abs[N[(x * N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1 + \left(x \cdot x\right) \cdot \left(1 + x \cdot \left(x \cdot \left(0.5 + \left(x \cdot x\right) \cdot 0.16666666666666666\right)\right)\right)}{\left|x \cdot \sqrt{\pi}\right|}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified99.7%
Taylor expanded in x around 0
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f6485.5%
Simplified85.5%
*-rgt-identityN/A
clear-numN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
fabs-lowering-fabs.f64N/A
/-lowering-/.f64N/A
Applied egg-rr85.5%
clear-numN/A
associate-/l/N/A
add-sqr-sqrtN/A
rem-sqrt-squareN/A
fabs-mulN/A
*-commutativeN/A
/-lowering-/.f64N/A
Applied egg-rr85.1%
(FPCore (x) :precision binary64 (/ (/ (* (* (* x x) (* x x)) (+ (/ 1.0 (* x x)) 0.5)) (sqrt PI)) (fabs x)))
double code(double x) {
return ((((x * x) * (x * x)) * ((1.0 / (x * x)) + 0.5)) / sqrt(((double) M_PI))) / fabs(x);
}
public static double code(double x) {
return ((((x * x) * (x * x)) * ((1.0 / (x * x)) + 0.5)) / Math.sqrt(Math.PI)) / Math.abs(x);
}
def code(x): return ((((x * x) * (x * x)) * ((1.0 / (x * x)) + 0.5)) / math.sqrt(math.pi)) / math.fabs(x)
function code(x) return Float64(Float64(Float64(Float64(Float64(x * x) * Float64(x * x)) * Float64(Float64(1.0 / Float64(x * x)) + 0.5)) / sqrt(pi)) / abs(x)) end
function tmp = code(x) tmp = ((((x * x) * (x * x)) * ((1.0 / (x * x)) + 0.5)) / sqrt(pi)) / abs(x); end
code[x_] := N[(N[(N[(N[(N[(x * x), $MachinePrecision] * N[(x * x), $MachinePrecision]), $MachinePrecision] * N[(N[(1.0 / N[(x * x), $MachinePrecision]), $MachinePrecision] + 0.5), $MachinePrecision]), $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{\left(\left(x \cdot x\right) \cdot \left(x \cdot x\right)\right) \cdot \left(\frac{1}{x \cdot x} + 0.5\right)}{\sqrt{\pi}}}{\left|x\right|}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified99.7%
Taylor expanded in x around 0
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f6479.1%
Simplified79.1%
Taylor expanded in x around inf
*-lowering-*.f64N/A
metadata-evalN/A
pow-sqrN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
/-lowering-/.f64N/A
unpow2N/A
*-lowering-*.f6479.5%
Simplified79.5%
Final simplification79.5%
(FPCore (x) :precision binary64 (/ (/ (+ 1.0 (* x (* x (+ 1.0 (* x (* x 0.5)))))) (fabs x)) (sqrt PI)))
double code(double x) {
return ((1.0 + (x * (x * (1.0 + (x * (x * 0.5)))))) / fabs(x)) / sqrt(((double) M_PI));
}
public static double code(double x) {
return ((1.0 + (x * (x * (1.0 + (x * (x * 0.5)))))) / Math.abs(x)) / Math.sqrt(Math.PI);
}
def code(x): return ((1.0 + (x * (x * (1.0 + (x * (x * 0.5)))))) / math.fabs(x)) / math.sqrt(math.pi)
function code(x) return Float64(Float64(Float64(1.0 + Float64(x * Float64(x * Float64(1.0 + Float64(x * Float64(x * 0.5)))))) / abs(x)) / sqrt(pi)) end
function tmp = code(x) tmp = ((1.0 + (x * (x * (1.0 + (x * (x * 0.5)))))) / abs(x)) / sqrt(pi); end
code[x_] := N[(N[(N[(1.0 + N[(x * N[(x * N[(1.0 + N[(x * N[(x * 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{1 + x \cdot \left(x \cdot \left(1 + x \cdot \left(x \cdot 0.5\right)\right)\right)}{\left|x\right|}}{\sqrt{\pi}}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified99.7%
Taylor expanded in x around 0
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f6479.1%
Simplified79.1%
*-rgt-identityN/A
associate-/l/N/A
associate-/r*N/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
+-lowering-+.f64N/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64N/A
sqrt-lowering-sqrt.f64N/A
Applied egg-rr79.1%
(FPCore (x) :precision binary64 (/ (/ (* x (* x (* (* x x) 0.5))) (sqrt PI)) (fabs x)))
double code(double x) {
return ((x * (x * ((x * x) * 0.5))) / sqrt(((double) M_PI))) / fabs(x);
}
public static double code(double x) {
return ((x * (x * ((x * x) * 0.5))) / Math.sqrt(Math.PI)) / Math.abs(x);
}
def code(x): return ((x * (x * ((x * x) * 0.5))) / math.sqrt(math.pi)) / math.fabs(x)
function code(x) return Float64(Float64(Float64(x * Float64(x * Float64(Float64(x * x) * 0.5))) / sqrt(pi)) / abs(x)) end
function tmp = code(x) tmp = ((x * (x * ((x * x) * 0.5))) / sqrt(pi)) / abs(x); end
code[x_] := N[(N[(N[(x * N[(x * N[(N[(x * x), $MachinePrecision] * 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{x \cdot \left(x \cdot \left(\left(x \cdot x\right) \cdot 0.5\right)\right)}{\sqrt{\pi}}}{\left|x\right|}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified99.7%
Taylor expanded in x around 0
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f6479.1%
Simplified79.1%
Taylor expanded in x around inf
metadata-evalN/A
pow-sqrN/A
associate-*l*N/A
*-commutativeN/A
unpow2N/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f6479.1%
Simplified79.1%
Final simplification79.1%
(FPCore (x) :precision binary64 (/ (/ (+ (* x x) 1.0) (sqrt PI)) (fabs x)))
double code(double x) {
return (((x * x) + 1.0) / sqrt(((double) M_PI))) / fabs(x);
}
public static double code(double x) {
return (((x * x) + 1.0) / Math.sqrt(Math.PI)) / Math.abs(x);
}
def code(x): return (((x * x) + 1.0) / math.sqrt(math.pi)) / math.fabs(x)
function code(x) return Float64(Float64(Float64(Float64(x * x) + 1.0) / sqrt(pi)) / abs(x)) end
function tmp = code(x) tmp = (((x * x) + 1.0) / sqrt(pi)) / abs(x); end
code[x_] := N[(N[(N[(N[(x * x), $MachinePrecision] + 1.0), $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{x \cdot x + 1}{\sqrt{\pi}}}{\left|x\right|}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified99.7%
*-rgt-identityN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64N/A
fabs-lowering-fabs.f6499.7%
Applied egg-rr99.7%
Taylor expanded in x around 0
+-lowering-+.f64N/A
unpow2N/A
*-lowering-*.f6456.9%
Simplified56.9%
Final simplification56.9%
(FPCore (x) :precision binary64 (* (/ (sqrt (/ 1.0 PI)) (fabs x)) 1.8229166666666667))
double code(double x) {
return (sqrt((1.0 / ((double) M_PI))) / fabs(x)) * 1.8229166666666667;
}
public static double code(double x) {
return (Math.sqrt((1.0 / Math.PI)) / Math.abs(x)) * 1.8229166666666667;
}
def code(x): return (math.sqrt((1.0 / math.pi)) / math.fabs(x)) * 1.8229166666666667
function code(x) return Float64(Float64(sqrt(Float64(1.0 / pi)) / abs(x)) * 1.8229166666666667) end
function tmp = code(x) tmp = (sqrt((1.0 / pi)) / abs(x)) * 1.8229166666666667; end
code[x_] := N[(N[(N[Sqrt[N[(1.0 / Pi), $MachinePrecision]], $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision] * 1.8229166666666667), $MachinePrecision]
\begin{array}{l}
\\
\frac{\sqrt{\frac{1}{\pi}}}{\left|x\right|} \cdot 1.8229166666666667
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around 0
Simplified0.6%
flip-+N/A
frac-timesN/A
/-lowering-/.f64N/A
Applied egg-rr4.7%
Taylor expanded in x around 0
*-commutativeN/A
*-lowering-*.f644.7%
Simplified4.7%
Taylor expanded in x around inf
*-commutativeN/A
*-lowering-*.f64N/A
associate-*r/N/A
*-rgt-identityN/A
/-lowering-/.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
fabs-lowering-fabs.f642.3%
Simplified2.3%
(FPCore (x) :precision binary64 (/ (pow PI -0.5) (fabs x)))
double code(double x) {
return pow(((double) M_PI), -0.5) / fabs(x);
}
public static double code(double x) {
return Math.pow(Math.PI, -0.5) / Math.abs(x);
}
def code(x): return math.pow(math.pi, -0.5) / math.fabs(x)
function code(x) return Float64((pi ^ -0.5) / abs(x)) end
function tmp = code(x) tmp = (pi ^ -0.5) / abs(x); end
code[x_] := N[(N[Power[Pi, -0.5], $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{{\pi}^{-0.5}}{\left|x\right|}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
Simplified99.7%
Taylor expanded in x around 0
associate-*r/N/A
*-rgt-identityN/A
/-lowering-/.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
fabs-lowering-fabs.f642.3%
Simplified2.3%
/-lowering-/.f64N/A
inv-powN/A
sqrt-pow1N/A
metadata-evalN/A
pow-lowering-pow.f64N/A
PI-lowering-PI.f64N/A
fabs-lowering-fabs.f642.3%
Applied egg-rr2.3%
herbie shell --seed 2024145
(FPCore (x)
:name "Jmat.Real.erfi, branch x greater than or equal to 5"
:precision binary64
:pre (>= x 0.5)
(* (* (/ 1.0 (sqrt PI)) (exp (* (fabs x) (fabs x)))) (+ (+ (+ (/ 1.0 (fabs x)) (* (/ 1.0 2.0) (* (* (/ 1.0 (fabs x)) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))))) (* (/ 3.0 4.0) (* (* (* (* (/ 1.0 (fabs x)) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))))) (* (/ 15.0 8.0) (* (* (* (* (* (* (/ 1.0 (fabs x)) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))) (/ 1.0 (fabs x)))))))