
(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 15 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 (/ (/ (exp (* x x)) (fabs x)) (sqrt PI)))
double code(double x) {
return (exp((x * x)) / fabs(x)) / sqrt(((double) M_PI));
}
public static double code(double x) {
return (Math.exp((x * x)) / Math.abs(x)) / Math.sqrt(Math.PI);
}
def code(x): return (math.exp((x * x)) / math.fabs(x)) / math.sqrt(math.pi)
function code(x) return Float64(Float64(exp(Float64(x * x)) / abs(x)) / sqrt(pi)) end
function tmp = code(x) tmp = (exp((x * x)) / abs(x)) / sqrt(pi); end
code[x_] := N[(N[(N[Exp[N[(x * x), $MachinePrecision]], $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision] / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{e^{x \cdot x}}{\left|x\right|}}{\sqrt{\pi}}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64100.0%
Simplified100.0%
*-commutativeN/A
sqrt-divN/A
metadata-evalN/A
un-div-invN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64100.0%
Applied egg-rr100.0%
(FPCore (x)
:precision binary64
(let* ((t_0 (* (* x x) (+ 0.5 (* (* x x) 0.16666666666666666))))
(t_1 (+ 1.0 t_0))
(t_2 (sqrt (/ 1.0 PI)))
(t_3 (- -1.0 t_0))
(t_4 (* (* x x) t_1))
(t_5 (* x (* x x))))
(if (<= (fabs x) 5e+23)
(*
t_2
(/
(+ 1.0 (* (* t_5 t_5) (* t_1 (* t_1 t_1))))
(* (fabs x) (+ 1.0 (* t_4 (+ t_4 -1.0))))))
(if (<= (fabs x) 2e+50)
(*
t_2
(/
(/ (+ 1.0 (* (* x x) (* (* x x) (* t_1 t_3)))) (fabs x))
(+ 1.0 (* (* x x) t_3))))
(*
t_2
(/
(+ 1.0 (* (* x x) (* (* x x) (* x (* x 0.16666666666666666)))))
(fabs x)))))))
double code(double x) {
double t_0 = (x * x) * (0.5 + ((x * x) * 0.16666666666666666));
double t_1 = 1.0 + t_0;
double t_2 = sqrt((1.0 / ((double) M_PI)));
double t_3 = -1.0 - t_0;
double t_4 = (x * x) * t_1;
double t_5 = x * (x * x);
double tmp;
if (fabs(x) <= 5e+23) {
tmp = t_2 * ((1.0 + ((t_5 * t_5) * (t_1 * (t_1 * t_1)))) / (fabs(x) * (1.0 + (t_4 * (t_4 + -1.0)))));
} else if (fabs(x) <= 2e+50) {
tmp = t_2 * (((1.0 + ((x * x) * ((x * x) * (t_1 * t_3)))) / fabs(x)) / (1.0 + ((x * x) * t_3)));
} else {
tmp = t_2 * ((1.0 + ((x * x) * ((x * x) * (x * (x * 0.16666666666666666))))) / fabs(x));
}
return tmp;
}
public static double code(double x) {
double t_0 = (x * x) * (0.5 + ((x * x) * 0.16666666666666666));
double t_1 = 1.0 + t_0;
double t_2 = Math.sqrt((1.0 / Math.PI));
double t_3 = -1.0 - t_0;
double t_4 = (x * x) * t_1;
double t_5 = x * (x * x);
double tmp;
if (Math.abs(x) <= 5e+23) {
tmp = t_2 * ((1.0 + ((t_5 * t_5) * (t_1 * (t_1 * t_1)))) / (Math.abs(x) * (1.0 + (t_4 * (t_4 + -1.0)))));
} else if (Math.abs(x) <= 2e+50) {
tmp = t_2 * (((1.0 + ((x * x) * ((x * x) * (t_1 * t_3)))) / Math.abs(x)) / (1.0 + ((x * x) * t_3)));
} else {
tmp = t_2 * ((1.0 + ((x * x) * ((x * x) * (x * (x * 0.16666666666666666))))) / Math.abs(x));
}
return tmp;
}
def code(x): t_0 = (x * x) * (0.5 + ((x * x) * 0.16666666666666666)) t_1 = 1.0 + t_0 t_2 = math.sqrt((1.0 / math.pi)) t_3 = -1.0 - t_0 t_4 = (x * x) * t_1 t_5 = x * (x * x) tmp = 0 if math.fabs(x) <= 5e+23: tmp = t_2 * ((1.0 + ((t_5 * t_5) * (t_1 * (t_1 * t_1)))) / (math.fabs(x) * (1.0 + (t_4 * (t_4 + -1.0))))) elif math.fabs(x) <= 2e+50: tmp = t_2 * (((1.0 + ((x * x) * ((x * x) * (t_1 * t_3)))) / math.fabs(x)) / (1.0 + ((x * x) * t_3))) else: tmp = t_2 * ((1.0 + ((x * x) * ((x * x) * (x * (x * 0.16666666666666666))))) / math.fabs(x)) return tmp
function code(x) t_0 = Float64(Float64(x * x) * Float64(0.5 + Float64(Float64(x * x) * 0.16666666666666666))) t_1 = Float64(1.0 + t_0) t_2 = sqrt(Float64(1.0 / pi)) t_3 = Float64(-1.0 - t_0) t_4 = Float64(Float64(x * x) * t_1) t_5 = Float64(x * Float64(x * x)) tmp = 0.0 if (abs(x) <= 5e+23) tmp = Float64(t_2 * Float64(Float64(1.0 + Float64(Float64(t_5 * t_5) * Float64(t_1 * Float64(t_1 * t_1)))) / Float64(abs(x) * Float64(1.0 + Float64(t_4 * Float64(t_4 + -1.0)))))); elseif (abs(x) <= 2e+50) tmp = Float64(t_2 * Float64(Float64(Float64(1.0 + Float64(Float64(x * x) * Float64(Float64(x * x) * Float64(t_1 * t_3)))) / abs(x)) / Float64(1.0 + Float64(Float64(x * x) * t_3)))); else tmp = Float64(t_2 * Float64(Float64(1.0 + Float64(Float64(x * x) * Float64(Float64(x * x) * Float64(x * Float64(x * 0.16666666666666666))))) / abs(x))); end return tmp end
function tmp_2 = code(x) t_0 = (x * x) * (0.5 + ((x * x) * 0.16666666666666666)); t_1 = 1.0 + t_0; t_2 = sqrt((1.0 / pi)); t_3 = -1.0 - t_0; t_4 = (x * x) * t_1; t_5 = x * (x * x); tmp = 0.0; if (abs(x) <= 5e+23) tmp = t_2 * ((1.0 + ((t_5 * t_5) * (t_1 * (t_1 * t_1)))) / (abs(x) * (1.0 + (t_4 * (t_4 + -1.0))))); elseif (abs(x) <= 2e+50) tmp = t_2 * (((1.0 + ((x * x) * ((x * x) * (t_1 * t_3)))) / abs(x)) / (1.0 + ((x * x) * t_3))); else tmp = t_2 * ((1.0 + ((x * x) * ((x * x) * (x * (x * 0.16666666666666666))))) / abs(x)); end tmp_2 = tmp; end
code[x_] := Block[{t$95$0 = N[(N[(x * x), $MachinePrecision] * N[(0.5 + N[(N[(x * x), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(1.0 + t$95$0), $MachinePrecision]}, Block[{t$95$2 = N[Sqrt[N[(1.0 / Pi), $MachinePrecision]], $MachinePrecision]}, Block[{t$95$3 = N[(-1.0 - t$95$0), $MachinePrecision]}, Block[{t$95$4 = N[(N[(x * x), $MachinePrecision] * t$95$1), $MachinePrecision]}, Block[{t$95$5 = N[(x * N[(x * x), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[Abs[x], $MachinePrecision], 5e+23], N[(t$95$2 * N[(N[(1.0 + N[(N[(t$95$5 * t$95$5), $MachinePrecision] * N[(t$95$1 * N[(t$95$1 * t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[Abs[x], $MachinePrecision] * N[(1.0 + N[(t$95$4 * N[(t$95$4 + -1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[N[Abs[x], $MachinePrecision], 2e+50], N[(t$95$2 * N[(N[(N[(1.0 + N[(N[(x * x), $MachinePrecision] * N[(N[(x * x), $MachinePrecision] * N[(t$95$1 * t$95$3), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision] / N[(1.0 + N[(N[(x * x), $MachinePrecision] * t$95$3), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(t$95$2 * N[(N[(1.0 + N[(N[(x * x), $MachinePrecision] * N[(N[(x * x), $MachinePrecision] * N[(x * N[(x * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(x \cdot x\right) \cdot \left(0.5 + \left(x \cdot x\right) \cdot 0.16666666666666666\right)\\
t_1 := 1 + t\_0\\
t_2 := \sqrt{\frac{1}{\pi}}\\
t_3 := -1 - t\_0\\
t_4 := \left(x \cdot x\right) \cdot t\_1\\
t_5 := x \cdot \left(x \cdot x\right)\\
\mathbf{if}\;\left|x\right| \leq 5 \cdot 10^{+23}:\\
\;\;\;\;t\_2 \cdot \frac{1 + \left(t\_5 \cdot t\_5\right) \cdot \left(t\_1 \cdot \left(t\_1 \cdot t\_1\right)\right)}{\left|x\right| \cdot \left(1 + t\_4 \cdot \left(t\_4 + -1\right)\right)}\\
\mathbf{elif}\;\left|x\right| \leq 2 \cdot 10^{+50}:\\
\;\;\;\;t\_2 \cdot \frac{\frac{1 + \left(x \cdot x\right) \cdot \left(\left(x \cdot x\right) \cdot \left(t\_1 \cdot t\_3\right)\right)}{\left|x\right|}}{1 + \left(x \cdot x\right) \cdot t\_3}\\
\mathbf{else}:\\
\;\;\;\;t\_2 \cdot \frac{1 + \left(x \cdot x\right) \cdot \left(\left(x \cdot x\right) \cdot \left(x \cdot \left(x \cdot 0.16666666666666666\right)\right)\right)}{\left|x\right|}\\
\end{array}
\end{array}
if (fabs.f64 x) < 4.9999999999999999e23Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64100.0%
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-*.f643.7%
Simplified3.7%
div-invN/A
flip3-+N/A
frac-timesN/A
*-rgt-identityN/A
Applied egg-rr40.6%
if 4.9999999999999999e23 < (fabs.f64 x) < 2.0000000000000002e50Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64100.0%
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-*.f645.2%
Simplified5.2%
div-invN/A
flip-+N/A
associate-*l/N/A
/-lowering-/.f64N/A
Applied egg-rr100.0%
if 2.0000000000000002e50 < (fabs.f64 x) Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64100.0%
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-*.f64100.0%
Simplified100.0%
Taylor expanded in x around inf
metadata-evalN/A
pow-sqrN/A
cube-prodN/A
unpow2N/A
unpow3N/A
pow-sqrN/A
metadata-evalN/A
associate-*l*N/A
*-commutativeN/A
associate-*l*N/A
metadata-evalN/A
pow-sqrN/A
associate-*r*N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
*-commutativeN/A
unpow2N/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64100.0%
Simplified100.0%
Final simplification97.0%
(FPCore (x)
:precision binary64
(let* ((t_0 (* (* x x) (+ 0.5 (* (* x x) 0.16666666666666666))))
(t_1 (sqrt (/ 1.0 PI)))
(t_2 (- -1.0 t_0)))
(if (<= (fabs x) 2e+50)
(*
t_1
(/
(/ (+ 1.0 (* (* x x) (* (* x x) (* (+ 1.0 t_0) t_2)))) (fabs x))
(+ 1.0 (* (* x x) t_2))))
(*
t_1
(/
(+ 1.0 (* (* x x) (* (* x x) (* x (* x 0.16666666666666666)))))
(fabs x))))))
double code(double x) {
double t_0 = (x * x) * (0.5 + ((x * x) * 0.16666666666666666));
double t_1 = sqrt((1.0 / ((double) M_PI)));
double t_2 = -1.0 - t_0;
double tmp;
if (fabs(x) <= 2e+50) {
tmp = t_1 * (((1.0 + ((x * x) * ((x * x) * ((1.0 + t_0) * t_2)))) / fabs(x)) / (1.0 + ((x * x) * t_2)));
} else {
tmp = t_1 * ((1.0 + ((x * x) * ((x * x) * (x * (x * 0.16666666666666666))))) / fabs(x));
}
return tmp;
}
public static double code(double x) {
double t_0 = (x * x) * (0.5 + ((x * x) * 0.16666666666666666));
double t_1 = Math.sqrt((1.0 / Math.PI));
double t_2 = -1.0 - t_0;
double tmp;
if (Math.abs(x) <= 2e+50) {
tmp = t_1 * (((1.0 + ((x * x) * ((x * x) * ((1.0 + t_0) * t_2)))) / Math.abs(x)) / (1.0 + ((x * x) * t_2)));
} else {
tmp = t_1 * ((1.0 + ((x * x) * ((x * x) * (x * (x * 0.16666666666666666))))) / Math.abs(x));
}
return tmp;
}
def code(x): t_0 = (x * x) * (0.5 + ((x * x) * 0.16666666666666666)) t_1 = math.sqrt((1.0 / math.pi)) t_2 = -1.0 - t_0 tmp = 0 if math.fabs(x) <= 2e+50: tmp = t_1 * (((1.0 + ((x * x) * ((x * x) * ((1.0 + t_0) * t_2)))) / math.fabs(x)) / (1.0 + ((x * x) * t_2))) else: tmp = t_1 * ((1.0 + ((x * x) * ((x * x) * (x * (x * 0.16666666666666666))))) / math.fabs(x)) return tmp
function code(x) t_0 = Float64(Float64(x * x) * Float64(0.5 + Float64(Float64(x * x) * 0.16666666666666666))) t_1 = sqrt(Float64(1.0 / pi)) t_2 = Float64(-1.0 - t_0) tmp = 0.0 if (abs(x) <= 2e+50) tmp = Float64(t_1 * Float64(Float64(Float64(1.0 + Float64(Float64(x * x) * Float64(Float64(x * x) * Float64(Float64(1.0 + t_0) * t_2)))) / abs(x)) / Float64(1.0 + Float64(Float64(x * x) * t_2)))); else tmp = Float64(t_1 * Float64(Float64(1.0 + Float64(Float64(x * x) * Float64(Float64(x * x) * Float64(x * Float64(x * 0.16666666666666666))))) / abs(x))); end return tmp end
function tmp_2 = code(x) t_0 = (x * x) * (0.5 + ((x * x) * 0.16666666666666666)); t_1 = sqrt((1.0 / pi)); t_2 = -1.0 - t_0; tmp = 0.0; if (abs(x) <= 2e+50) tmp = t_1 * (((1.0 + ((x * x) * ((x * x) * ((1.0 + t_0) * t_2)))) / abs(x)) / (1.0 + ((x * x) * t_2))); else tmp = t_1 * ((1.0 + ((x * x) * ((x * x) * (x * (x * 0.16666666666666666))))) / abs(x)); end tmp_2 = tmp; end
code[x_] := Block[{t$95$0 = N[(N[(x * x), $MachinePrecision] * N[(0.5 + N[(N[(x * x), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[Sqrt[N[(1.0 / Pi), $MachinePrecision]], $MachinePrecision]}, Block[{t$95$2 = N[(-1.0 - t$95$0), $MachinePrecision]}, If[LessEqual[N[Abs[x], $MachinePrecision], 2e+50], N[(t$95$1 * N[(N[(N[(1.0 + N[(N[(x * x), $MachinePrecision] * N[(N[(x * x), $MachinePrecision] * N[(N[(1.0 + t$95$0), $MachinePrecision] * t$95$2), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision] / N[(1.0 + N[(N[(x * x), $MachinePrecision] * t$95$2), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(t$95$1 * N[(N[(1.0 + N[(N[(x * x), $MachinePrecision] * N[(N[(x * x), $MachinePrecision] * N[(x * N[(x * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(x \cdot x\right) \cdot \left(0.5 + \left(x \cdot x\right) \cdot 0.16666666666666666\right)\\
t_1 := \sqrt{\frac{1}{\pi}}\\
t_2 := -1 - t\_0\\
\mathbf{if}\;\left|x\right| \leq 2 \cdot 10^{+50}:\\
\;\;\;\;t\_1 \cdot \frac{\frac{1 + \left(x \cdot x\right) \cdot \left(\left(x \cdot x\right) \cdot \left(\left(1 + t\_0\right) \cdot t\_2\right)\right)}{\left|x\right|}}{1 + \left(x \cdot x\right) \cdot t\_2}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \frac{1 + \left(x \cdot x\right) \cdot \left(\left(x \cdot x\right) \cdot \left(x \cdot \left(x \cdot 0.16666666666666666\right)\right)\right)}{\left|x\right|}\\
\end{array}
\end{array}
if (fabs.f64 x) < 2.0000000000000002e50Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64100.0%
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-*.f644.6%
Simplified4.6%
div-invN/A
flip-+N/A
associate-*l/N/A
/-lowering-/.f64N/A
Applied egg-rr59.6%
if 2.0000000000000002e50 < (fabs.f64 x) Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64100.0%
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-*.f64100.0%
Simplified100.0%
Taylor expanded in x around inf
metadata-evalN/A
pow-sqrN/A
cube-prodN/A
unpow2N/A
unpow3N/A
pow-sqrN/A
metadata-evalN/A
associate-*l*N/A
*-commutativeN/A
associate-*l*N/A
metadata-evalN/A
pow-sqrN/A
associate-*r*N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
*-commutativeN/A
unpow2N/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64100.0%
Simplified100.0%
Final simplification95.1%
(FPCore (x)
:precision binary64
(let* ((t_0 (+ 0.5 (* (* x x) 0.16666666666666666))) (t_1 (* (* x x) t_0)))
(if (<= (fabs x) 5e+74)
(*
(sqrt (/ 1.0 PI))
(/
(+ 1.0 (/ (* (* x x) (- 1.0 (* x (* t_1 (* x t_0))))) (- 1.0 t_1)))
(fabs x)))
(* (/ (* x x) (/ (/ (sqrt PI) x) x)) (/ 0.5 (fabs x))))))
double code(double x) {
double t_0 = 0.5 + ((x * x) * 0.16666666666666666);
double t_1 = (x * x) * t_0;
double tmp;
if (fabs(x) <= 5e+74) {
tmp = sqrt((1.0 / ((double) M_PI))) * ((1.0 + (((x * x) * (1.0 - (x * (t_1 * (x * t_0))))) / (1.0 - t_1))) / fabs(x));
} else {
tmp = ((x * x) / ((sqrt(((double) M_PI)) / x) / x)) * (0.5 / 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 tmp;
if (Math.abs(x) <= 5e+74) {
tmp = Math.sqrt((1.0 / Math.PI)) * ((1.0 + (((x * x) * (1.0 - (x * (t_1 * (x * t_0))))) / (1.0 - t_1))) / Math.abs(x));
} else {
tmp = ((x * x) / ((Math.sqrt(Math.PI) / x) / x)) * (0.5 / Math.abs(x));
}
return tmp;
}
def code(x): t_0 = 0.5 + ((x * x) * 0.16666666666666666) t_1 = (x * x) * t_0 tmp = 0 if math.fabs(x) <= 5e+74: tmp = math.sqrt((1.0 / math.pi)) * ((1.0 + (((x * x) * (1.0 - (x * (t_1 * (x * t_0))))) / (1.0 - t_1))) / math.fabs(x)) else: tmp = ((x * x) / ((math.sqrt(math.pi) / x) / x)) * (0.5 / math.fabs(x)) return tmp
function code(x) t_0 = Float64(0.5 + Float64(Float64(x * x) * 0.16666666666666666)) t_1 = Float64(Float64(x * x) * t_0) tmp = 0.0 if (abs(x) <= 5e+74) tmp = Float64(sqrt(Float64(1.0 / pi)) * Float64(Float64(1.0 + Float64(Float64(Float64(x * x) * Float64(1.0 - Float64(x * Float64(t_1 * Float64(x * t_0))))) / Float64(1.0 - t_1))) / abs(x))); else tmp = Float64(Float64(Float64(x * x) / Float64(Float64(sqrt(pi) / x) / x)) * Float64(0.5 / 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; tmp = 0.0; if (abs(x) <= 5e+74) tmp = sqrt((1.0 / pi)) * ((1.0 + (((x * x) * (1.0 - (x * (t_1 * (x * t_0))))) / (1.0 - t_1))) / abs(x)); else tmp = ((x * x) / ((sqrt(pi) / x) / x)) * (0.5 / abs(x)); end tmp_2 = tmp; end
code[x_] := Block[{t$95$0 = N[(0.5 + N[(N[(x * x), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(N[(x * x), $MachinePrecision] * t$95$0), $MachinePrecision]}, If[LessEqual[N[Abs[x], $MachinePrecision], 5e+74], N[(N[Sqrt[N[(1.0 / Pi), $MachinePrecision]], $MachinePrecision] * N[(N[(1.0 + N[(N[(N[(x * x), $MachinePrecision] * N[(1.0 - N[(x * N[(t$95$1 * N[(x * t$95$0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(1.0 - t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(x * x), $MachinePrecision] / N[(N[(N[Sqrt[Pi], $MachinePrecision] / x), $MachinePrecision] / x), $MachinePrecision]), $MachinePrecision] * N[(0.5 / N[Abs[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := 0.5 + \left(x \cdot x\right) \cdot 0.16666666666666666\\
t_1 := \left(x \cdot x\right) \cdot t\_0\\
\mathbf{if}\;\left|x\right| \leq 5 \cdot 10^{+74}:\\
\;\;\;\;\sqrt{\frac{1}{\pi}} \cdot \frac{1 + \frac{\left(x \cdot x\right) \cdot \left(1 - x \cdot \left(t\_1 \cdot \left(x \cdot t\_0\right)\right)\right)}{1 - t\_1}}{\left|x\right|}\\
\mathbf{else}:\\
\;\;\;\;\frac{x \cdot x}{\frac{\frac{\sqrt{\pi}}{x}}{x}} \cdot \frac{0.5}{\left|x\right|}\\
\end{array}
\end{array}
if (fabs.f64 x) < 4.99999999999999963e74Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64100.0%
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-*.f6443.1%
Simplified43.1%
*-commutativeN/A
flip-+N/A
associate-*l/N/A
/-lowering-/.f64N/A
Applied egg-rr64.9%
if 4.99999999999999963e74 < (fabs.f64 x) Initial program 100.0%
Simplified100.0%
Taylor expanded in x around 0
+-commutativeN/A
distribute-lft-inN/A
associate-+l+N/A
Simplified100.0%
Taylor expanded in x around inf
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
*-commutativeN/A
associate-*l/N/A
associate-/l*N/A
metadata-evalN/A
associate-*l/N/A
*-lowering-*.f64N/A
metadata-evalN/A
pow-sqrN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
associate-*l/N/A
metadata-evalN/A
/-lowering-/.f64N/A
fabs-lowering-fabs.f64100.0%
Simplified100.0%
associate-*l*N/A
associate-*r*N/A
*-lowering-*.f64N/A
sqrt-divN/A
metadata-evalN/A
associate-*l/N/A
*-lft-identityN/A
/-lowering-/.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64N/A
clear-numN/A
un-div-invN/A
/-lowering-/.f64N/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
fabs-lowering-fabs.f6494.2%
Applied egg-rr94.2%
associate-*r/N/A
div-invN/A
clear-numN/A
*-lowering-*.f64N/A
clear-numN/A
associate-*l/N/A
*-lft-identityN/A
/-lowering-/.f64N/A
*-lowering-*.f64N/A
associate-/r*N/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
fabs-lowering-fabs.f64100.0%
Applied egg-rr100.0%
Final simplification92.9%
(FPCore (x)
:precision binary64
(let* ((t_0 (* x (* x x))) (t_1 (* (* x x) 0.16666666666666666)))
(if (<= (fabs x) 5e+74)
(*
(sqrt (/ 1.0 PI))
(/
(+
1.0
(*
(* x x)
(+
1.0
(/
(* (* x x) (+ 0.125 (* t_0 (* t_0 0.004629629629629629))))
(+ 0.25 (* t_1 (+ t_1 -0.5)))))))
(fabs x)))
(* (/ (* x x) (/ (/ (sqrt PI) x) x)) (/ 0.5 (fabs x))))))
double code(double x) {
double t_0 = x * (x * x);
double t_1 = (x * x) * 0.16666666666666666;
double tmp;
if (fabs(x) <= 5e+74) {
tmp = sqrt((1.0 / ((double) M_PI))) * ((1.0 + ((x * x) * (1.0 + (((x * x) * (0.125 + (t_0 * (t_0 * 0.004629629629629629)))) / (0.25 + (t_1 * (t_1 + -0.5))))))) / fabs(x));
} else {
tmp = ((x * x) / ((sqrt(((double) M_PI)) / x) / x)) * (0.5 / fabs(x));
}
return tmp;
}
public static double code(double x) {
double t_0 = x * (x * x);
double t_1 = (x * x) * 0.16666666666666666;
double tmp;
if (Math.abs(x) <= 5e+74) {
tmp = Math.sqrt((1.0 / Math.PI)) * ((1.0 + ((x * x) * (1.0 + (((x * x) * (0.125 + (t_0 * (t_0 * 0.004629629629629629)))) / (0.25 + (t_1 * (t_1 + -0.5))))))) / Math.abs(x));
} else {
tmp = ((x * x) / ((Math.sqrt(Math.PI) / x) / x)) * (0.5 / Math.abs(x));
}
return tmp;
}
def code(x): t_0 = x * (x * x) t_1 = (x * x) * 0.16666666666666666 tmp = 0 if math.fabs(x) <= 5e+74: tmp = math.sqrt((1.0 / math.pi)) * ((1.0 + ((x * x) * (1.0 + (((x * x) * (0.125 + (t_0 * (t_0 * 0.004629629629629629)))) / (0.25 + (t_1 * (t_1 + -0.5))))))) / math.fabs(x)) else: tmp = ((x * x) / ((math.sqrt(math.pi) / x) / x)) * (0.5 / math.fabs(x)) return tmp
function code(x) t_0 = Float64(x * Float64(x * x)) t_1 = Float64(Float64(x * x) * 0.16666666666666666) tmp = 0.0 if (abs(x) <= 5e+74) tmp = Float64(sqrt(Float64(1.0 / pi)) * Float64(Float64(1.0 + Float64(Float64(x * x) * Float64(1.0 + Float64(Float64(Float64(x * x) * Float64(0.125 + Float64(t_0 * Float64(t_0 * 0.004629629629629629)))) / Float64(0.25 + Float64(t_1 * Float64(t_1 + -0.5))))))) / abs(x))); else tmp = Float64(Float64(Float64(x * x) / Float64(Float64(sqrt(pi) / x) / x)) * Float64(0.5 / abs(x))); end return tmp end
function tmp_2 = code(x) t_0 = x * (x * x); t_1 = (x * x) * 0.16666666666666666; tmp = 0.0; if (abs(x) <= 5e+74) tmp = sqrt((1.0 / pi)) * ((1.0 + ((x * x) * (1.0 + (((x * x) * (0.125 + (t_0 * (t_0 * 0.004629629629629629)))) / (0.25 + (t_1 * (t_1 + -0.5))))))) / abs(x)); else tmp = ((x * x) / ((sqrt(pi) / x) / x)) * (0.5 / abs(x)); end tmp_2 = tmp; end
code[x_] := Block[{t$95$0 = N[(x * N[(x * x), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(N[(x * x), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]}, If[LessEqual[N[Abs[x], $MachinePrecision], 5e+74], N[(N[Sqrt[N[(1.0 / Pi), $MachinePrecision]], $MachinePrecision] * N[(N[(1.0 + N[(N[(x * x), $MachinePrecision] * N[(1.0 + N[(N[(N[(x * x), $MachinePrecision] * N[(0.125 + N[(t$95$0 * N[(t$95$0 * 0.004629629629629629), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(0.25 + N[(t$95$1 * N[(t$95$1 + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(x * x), $MachinePrecision] / N[(N[(N[Sqrt[Pi], $MachinePrecision] / x), $MachinePrecision] / x), $MachinePrecision]), $MachinePrecision] * N[(0.5 / N[Abs[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \left(x \cdot x\right)\\
t_1 := \left(x \cdot x\right) \cdot 0.16666666666666666\\
\mathbf{if}\;\left|x\right| \leq 5 \cdot 10^{+74}:\\
\;\;\;\;\sqrt{\frac{1}{\pi}} \cdot \frac{1 + \left(x \cdot x\right) \cdot \left(1 + \frac{\left(x \cdot x\right) \cdot \left(0.125 + t\_0 \cdot \left(t\_0 \cdot 0.004629629629629629\right)\right)}{0.25 + t\_1 \cdot \left(t\_1 + -0.5\right)}\right)}{\left|x\right|}\\
\mathbf{else}:\\
\;\;\;\;\frac{x \cdot x}{\frac{\frac{\sqrt{\pi}}{x}}{x}} \cdot \frac{0.5}{\left|x\right|}\\
\end{array}
\end{array}
if (fabs.f64 x) < 4.99999999999999963e74Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64100.0%
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-*.f6443.1%
Simplified43.1%
*-commutativeN/A
flip3-+N/A
associate-*l/N/A
/-lowering-/.f64N/A
Applied egg-rr55.8%
if 4.99999999999999963e74 < (fabs.f64 x) Initial program 100.0%
Simplified100.0%
Taylor expanded in x around 0
+-commutativeN/A
distribute-lft-inN/A
associate-+l+N/A
Simplified100.0%
Taylor expanded in x around inf
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
*-commutativeN/A
associate-*l/N/A
associate-/l*N/A
metadata-evalN/A
associate-*l/N/A
*-lowering-*.f64N/A
metadata-evalN/A
pow-sqrN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
associate-*l/N/A
metadata-evalN/A
/-lowering-/.f64N/A
fabs-lowering-fabs.f64100.0%
Simplified100.0%
associate-*l*N/A
associate-*r*N/A
*-lowering-*.f64N/A
sqrt-divN/A
metadata-evalN/A
associate-*l/N/A
*-lft-identityN/A
/-lowering-/.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64N/A
clear-numN/A
un-div-invN/A
/-lowering-/.f64N/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
fabs-lowering-fabs.f6494.2%
Applied egg-rr94.2%
associate-*r/N/A
div-invN/A
clear-numN/A
*-lowering-*.f64N/A
clear-numN/A
associate-*l/N/A
*-lft-identityN/A
/-lowering-/.f64N/A
*-lowering-*.f64N/A
associate-/r*N/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
fabs-lowering-fabs.f64100.0%
Applied egg-rr100.0%
Final simplification91.0%
(FPCore (x)
:precision binary64
(let* ((t_0 (* x (* x x))))
(if (<= (fabs x) 5e+74)
(*
(/ (sqrt (/ 1.0 PI)) (fabs x))
(+
1.0
(/
(* (* x x) (+ 1.0 (* t_0 (* t_0 0.125))))
(+ 1.0 (* (* x x) (- (* (* x x) 0.25) 0.5))))))
(* (/ (* x x) (/ (/ (sqrt PI) x) x)) (/ 0.5 (fabs x))))))
double code(double x) {
double t_0 = x * (x * x);
double tmp;
if (fabs(x) <= 5e+74) {
tmp = (sqrt((1.0 / ((double) M_PI))) / fabs(x)) * (1.0 + (((x * x) * (1.0 + (t_0 * (t_0 * 0.125)))) / (1.0 + ((x * x) * (((x * x) * 0.25) - 0.5)))));
} else {
tmp = ((x * x) / ((sqrt(((double) M_PI)) / x) / x)) * (0.5 / fabs(x));
}
return tmp;
}
public static double code(double x) {
double t_0 = x * (x * x);
double tmp;
if (Math.abs(x) <= 5e+74) {
tmp = (Math.sqrt((1.0 / Math.PI)) / Math.abs(x)) * (1.0 + (((x * x) * (1.0 + (t_0 * (t_0 * 0.125)))) / (1.0 + ((x * x) * (((x * x) * 0.25) - 0.5)))));
} else {
tmp = ((x * x) / ((Math.sqrt(Math.PI) / x) / x)) * (0.5 / Math.abs(x));
}
return tmp;
}
def code(x): t_0 = x * (x * x) tmp = 0 if math.fabs(x) <= 5e+74: tmp = (math.sqrt((1.0 / math.pi)) / math.fabs(x)) * (1.0 + (((x * x) * (1.0 + (t_0 * (t_0 * 0.125)))) / (1.0 + ((x * x) * (((x * x) * 0.25) - 0.5))))) else: tmp = ((x * x) / ((math.sqrt(math.pi) / x) / x)) * (0.5 / math.fabs(x)) return tmp
function code(x) t_0 = Float64(x * Float64(x * x)) tmp = 0.0 if (abs(x) <= 5e+74) tmp = Float64(Float64(sqrt(Float64(1.0 / pi)) / abs(x)) * Float64(1.0 + Float64(Float64(Float64(x * x) * Float64(1.0 + Float64(t_0 * Float64(t_0 * 0.125)))) / Float64(1.0 + Float64(Float64(x * x) * Float64(Float64(Float64(x * x) * 0.25) - 0.5)))))); else tmp = Float64(Float64(Float64(x * x) / Float64(Float64(sqrt(pi) / x) / x)) * Float64(0.5 / abs(x))); end return tmp end
function tmp_2 = code(x) t_0 = x * (x * x); tmp = 0.0; if (abs(x) <= 5e+74) tmp = (sqrt((1.0 / pi)) / abs(x)) * (1.0 + (((x * x) * (1.0 + (t_0 * (t_0 * 0.125)))) / (1.0 + ((x * x) * (((x * x) * 0.25) - 0.5))))); else tmp = ((x * x) / ((sqrt(pi) / x) / x)) * (0.5 / abs(x)); end tmp_2 = tmp; end
code[x_] := Block[{t$95$0 = N[(x * N[(x * x), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[Abs[x], $MachinePrecision], 5e+74], N[(N[(N[Sqrt[N[(1.0 / Pi), $MachinePrecision]], $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision] * N[(1.0 + N[(N[(N[(x * x), $MachinePrecision] * N[(1.0 + N[(t$95$0 * N[(t$95$0 * 0.125), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(1.0 + N[(N[(x * x), $MachinePrecision] * N[(N[(N[(x * x), $MachinePrecision] * 0.25), $MachinePrecision] - 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(x * x), $MachinePrecision] / N[(N[(N[Sqrt[Pi], $MachinePrecision] / x), $MachinePrecision] / x), $MachinePrecision]), $MachinePrecision] * N[(0.5 / N[Abs[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \left(x \cdot x\right)\\
\mathbf{if}\;\left|x\right| \leq 5 \cdot 10^{+74}:\\
\;\;\;\;\frac{\sqrt{\frac{1}{\pi}}}{\left|x\right|} \cdot \left(1 + \frac{\left(x \cdot x\right) \cdot \left(1 + t\_0 \cdot \left(t\_0 \cdot 0.125\right)\right)}{1 + \left(x \cdot x\right) \cdot \left(\left(x \cdot x\right) \cdot 0.25 - 0.5\right)}\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{x \cdot x}{\frac{\frac{\sqrt{\pi}}{x}}{x}} \cdot \frac{0.5}{\left|x\right|}\\
\end{array}
\end{array}
if (fabs.f64 x) < 4.99999999999999963e74Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64100.0%
Simplified100.0%
Taylor expanded in x around 0
Simplified4.4%
*-commutativeN/A
flip3-+N/A
associate-*l/N/A
/-lowering-/.f64N/A
Applied egg-rr55.5%
if 4.99999999999999963e74 < (fabs.f64 x) Initial program 100.0%
Simplified100.0%
Taylor expanded in x around 0
+-commutativeN/A
distribute-lft-inN/A
associate-+l+N/A
Simplified100.0%
Taylor expanded in x around inf
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
*-commutativeN/A
associate-*l/N/A
associate-/l*N/A
metadata-evalN/A
associate-*l/N/A
*-lowering-*.f64N/A
metadata-evalN/A
pow-sqrN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
associate-*l/N/A
metadata-evalN/A
/-lowering-/.f64N/A
fabs-lowering-fabs.f64100.0%
Simplified100.0%
associate-*l*N/A
associate-*r*N/A
*-lowering-*.f64N/A
sqrt-divN/A
metadata-evalN/A
associate-*l/N/A
*-lft-identityN/A
/-lowering-/.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64N/A
clear-numN/A
un-div-invN/A
/-lowering-/.f64N/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
fabs-lowering-fabs.f6494.2%
Applied egg-rr94.2%
associate-*r/N/A
div-invN/A
clear-numN/A
*-lowering-*.f64N/A
clear-numN/A
associate-*l/N/A
*-lft-identityN/A
/-lowering-/.f64N/A
*-lowering-*.f64N/A
associate-/r*N/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
fabs-lowering-fabs.f64100.0%
Applied egg-rr100.0%
Final simplification91.0%
(FPCore (x) :precision binary64 (* (sqrt (/ 1.0 PI)) (/ (+ 1.0 (* (* x x) (* (* x x) (* x (* x 0.16666666666666666))))) (fabs x))))
double code(double x) {
return sqrt((1.0 / ((double) M_PI))) * ((1.0 + ((x * x) * ((x * x) * (x * (x * 0.16666666666666666))))) / fabs(x));
}
public static double code(double x) {
return Math.sqrt((1.0 / Math.PI)) * ((1.0 + ((x * x) * ((x * x) * (x * (x * 0.16666666666666666))))) / Math.abs(x));
}
def code(x): return math.sqrt((1.0 / math.pi)) * ((1.0 + ((x * x) * ((x * x) * (x * (x * 0.16666666666666666))))) / math.fabs(x))
function code(x) return Float64(sqrt(Float64(1.0 / pi)) * Float64(Float64(1.0 + Float64(Float64(x * x) * Float64(Float64(x * x) * Float64(x * Float64(x * 0.16666666666666666))))) / abs(x))) end
function tmp = code(x) tmp = sqrt((1.0 / pi)) * ((1.0 + ((x * x) * ((x * x) * (x * (x * 0.16666666666666666))))) / abs(x)); end
code[x_] := N[(N[Sqrt[N[(1.0 / Pi), $MachinePrecision]], $MachinePrecision] * N[(N[(1.0 + N[(N[(x * x), $MachinePrecision] * N[(N[(x * x), $MachinePrecision] * N[(x * N[(x * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Abs[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\sqrt{\frac{1}{\pi}} \cdot \frac{1 + \left(x \cdot x\right) \cdot \left(\left(x \cdot x\right) \cdot \left(x \cdot \left(x \cdot 0.16666666666666666\right)\right)\right)}{\left|x\right|}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64100.0%
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-*.f6488.4%
Simplified88.4%
Taylor expanded in x around inf
metadata-evalN/A
pow-sqrN/A
cube-prodN/A
unpow2N/A
unpow3N/A
pow-sqrN/A
metadata-evalN/A
associate-*l*N/A
*-commutativeN/A
associate-*l*N/A
metadata-evalN/A
pow-sqrN/A
associate-*r*N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
*-commutativeN/A
unpow2N/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f6488.4%
Simplified88.4%
(FPCore (x) :precision binary64 (* (* (sqrt (/ 1.0 PI)) (* x (* x (fabs x)))) (+ 0.5 (* x (* x 0.16666666666666666)))))
double code(double x) {
return (sqrt((1.0 / ((double) M_PI))) * (x * (x * fabs(x)))) * (0.5 + (x * (x * 0.16666666666666666)));
}
public static double code(double x) {
return (Math.sqrt((1.0 / Math.PI)) * (x * (x * Math.abs(x)))) * (0.5 + (x * (x * 0.16666666666666666)));
}
def code(x): return (math.sqrt((1.0 / math.pi)) * (x * (x * math.fabs(x)))) * (0.5 + (x * (x * 0.16666666666666666)))
function code(x) return Float64(Float64(sqrt(Float64(1.0 / pi)) * Float64(x * Float64(x * abs(x)))) * Float64(0.5 + Float64(x * Float64(x * 0.16666666666666666)))) end
function tmp = code(x) tmp = (sqrt((1.0 / pi)) * (x * (x * abs(x)))) * (0.5 + (x * (x * 0.16666666666666666))); end
code[x_] := N[(N[(N[Sqrt[N[(1.0 / Pi), $MachinePrecision]], $MachinePrecision] * N[(x * N[(x * N[Abs[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(0.5 + N[(x * N[(x * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(\sqrt{\frac{1}{\pi}} \cdot \left(x \cdot \left(x \cdot \left|x\right|\right)\right)\right) \cdot \left(0.5 + x \cdot \left(x \cdot 0.16666666666666666\right)\right)
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64100.0%
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-*.f6488.4%
Simplified88.4%
Taylor expanded in x around inf
Simplified85.3%
(FPCore (x) :precision binary64 (* (sqrt (/ 1.0 PI)) (* (fabs x) (* (* x x) (* x (* x 0.16666666666666666))))))
double code(double x) {
return sqrt((1.0 / ((double) M_PI))) * (fabs(x) * ((x * x) * (x * (x * 0.16666666666666666))));
}
public static double code(double x) {
return Math.sqrt((1.0 / Math.PI)) * (Math.abs(x) * ((x * x) * (x * (x * 0.16666666666666666))));
}
def code(x): return math.sqrt((1.0 / math.pi)) * (math.fabs(x) * ((x * x) * (x * (x * 0.16666666666666666))))
function code(x) return Float64(sqrt(Float64(1.0 / pi)) * Float64(abs(x) * Float64(Float64(x * x) * Float64(x * Float64(x * 0.16666666666666666))))) end
function tmp = code(x) tmp = sqrt((1.0 / pi)) * (abs(x) * ((x * x) * (x * (x * 0.16666666666666666)))); end
code[x_] := N[(N[Sqrt[N[(1.0 / Pi), $MachinePrecision]], $MachinePrecision] * N[(N[Abs[x], $MachinePrecision] * N[(N[(x * x), $MachinePrecision] * N[(x * N[(x * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\sqrt{\frac{1}{\pi}} \cdot \left(\left|x\right| \cdot \left(\left(x \cdot x\right) \cdot \left(x \cdot \left(x \cdot 0.16666666666666666\right)\right)\right)\right)
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64100.0%
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-*.f6488.4%
Simplified88.4%
Taylor expanded in x around inf
associate-*r/N/A
*-commutativeN/A
associate-*r/N/A
metadata-evalN/A
pow-sqrN/A
cube-prodN/A
unpow2N/A
cube-unmultN/A
pow-sqrN/A
metadata-evalN/A
associate-/l*N/A
associate-*r*N/A
*-commutativeN/A
metadata-evalN/A
pow-sqrN/A
associate-*l*N/A
*-commutativeN/A
associate-*l/N/A
Simplified85.3%
(FPCore (x) :precision binary64 (* (/ (* x x) (/ (/ (sqrt PI) x) x)) (/ 0.5 (fabs x))))
double code(double x) {
return ((x * x) / ((sqrt(((double) M_PI)) / x) / x)) * (0.5 / fabs(x));
}
public static double code(double x) {
return ((x * x) / ((Math.sqrt(Math.PI) / x) / x)) * (0.5 / Math.abs(x));
}
def code(x): return ((x * x) / ((math.sqrt(math.pi) / x) / x)) * (0.5 / math.fabs(x))
function code(x) return Float64(Float64(Float64(x * x) / Float64(Float64(sqrt(pi) / x) / x)) * Float64(0.5 / abs(x))) end
function tmp = code(x) tmp = ((x * x) / ((sqrt(pi) / x) / x)) * (0.5 / abs(x)); end
code[x_] := N[(N[(N[(x * x), $MachinePrecision] / N[(N[(N[Sqrt[Pi], $MachinePrecision] / x), $MachinePrecision] / x), $MachinePrecision]), $MachinePrecision] * N[(0.5 / N[Abs[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot x}{\frac{\frac{\sqrt{\pi}}{x}}{x}} \cdot \frac{0.5}{\left|x\right|}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around 0
+-commutativeN/A
distribute-lft-inN/A
associate-+l+N/A
Simplified80.6%
Taylor expanded in x around inf
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
*-commutativeN/A
associate-*l/N/A
associate-/l*N/A
metadata-evalN/A
associate-*l/N/A
*-lowering-*.f64N/A
metadata-evalN/A
pow-sqrN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
associate-*l/N/A
metadata-evalN/A
/-lowering-/.f64N/A
fabs-lowering-fabs.f6480.6%
Simplified80.6%
associate-*l*N/A
associate-*r*N/A
*-lowering-*.f64N/A
sqrt-divN/A
metadata-evalN/A
associate-*l/N/A
*-lft-identityN/A
/-lowering-/.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64N/A
clear-numN/A
un-div-invN/A
/-lowering-/.f64N/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
fabs-lowering-fabs.f6475.9%
Applied egg-rr75.9%
associate-*r/N/A
div-invN/A
clear-numN/A
*-lowering-*.f64N/A
clear-numN/A
associate-*l/N/A
*-lft-identityN/A
/-lowering-/.f64N/A
*-lowering-*.f64N/A
associate-/r*N/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
fabs-lowering-fabs.f6480.6%
Applied egg-rr80.6%
(FPCore (x) :precision binary64 (* (* (fabs x) (sqrt (/ 1.0 PI))) (+ 1.0 (* x (* x 0.5)))))
double code(double x) {
return (fabs(x) * sqrt((1.0 / ((double) M_PI)))) * (1.0 + (x * (x * 0.5)));
}
public static double code(double x) {
return (Math.abs(x) * Math.sqrt((1.0 / Math.PI))) * (1.0 + (x * (x * 0.5)));
}
def code(x): return (math.fabs(x) * math.sqrt((1.0 / math.pi))) * (1.0 + (x * (x * 0.5)))
function code(x) return Float64(Float64(abs(x) * sqrt(Float64(1.0 / pi))) * Float64(1.0 + Float64(x * Float64(x * 0.5)))) end
function tmp = code(x) tmp = (abs(x) * sqrt((1.0 / pi))) * (1.0 + (x * (x * 0.5))); end
code[x_] := N[(N[(N[Abs[x], $MachinePrecision] * N[Sqrt[N[(1.0 / Pi), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] * N[(1.0 + N[(x * N[(x * 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(\left|x\right| \cdot \sqrt{\frac{1}{\pi}}\right) \cdot \left(1 + x \cdot \left(x \cdot 0.5\right)\right)
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around inf
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64100.0%
Simplified100.0%
Taylor expanded in x around 0
Simplified80.6%
Taylor expanded in x around inf
Simplified75.9%
Final simplification75.9%
(FPCore (x) :precision binary64 (* (* x (* (fabs x) 0.5)) (/ x (sqrt PI))))
double code(double x) {
return (x * (fabs(x) * 0.5)) * (x / sqrt(((double) M_PI)));
}
public static double code(double x) {
return (x * (Math.abs(x) * 0.5)) * (x / Math.sqrt(Math.PI));
}
def code(x): return (x * (math.fabs(x) * 0.5)) * (x / math.sqrt(math.pi))
function code(x) return Float64(Float64(x * Float64(abs(x) * 0.5)) * Float64(x / sqrt(pi))) end
function tmp = code(x) tmp = (x * (abs(x) * 0.5)) * (x / sqrt(pi)); end
code[x_] := N[(N[(x * N[(N[Abs[x], $MachinePrecision] * 0.5), $MachinePrecision]), $MachinePrecision] * N[(x / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(x \cdot \left(\left|x\right| \cdot 0.5\right)\right) \cdot \frac{x}{\sqrt{\pi}}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around 0
+-commutativeN/A
distribute-lft-inN/A
associate-+l+N/A
Simplified80.6%
Taylor expanded in x around inf
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
*-commutativeN/A
associate-*l/N/A
associate-/l*N/A
metadata-evalN/A
associate-*l/N/A
*-lowering-*.f64N/A
metadata-evalN/A
pow-sqrN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
associate-*l/N/A
metadata-evalN/A
/-lowering-/.f64N/A
fabs-lowering-fabs.f6480.6%
Simplified80.6%
*-commutativeN/A
sqrt-divN/A
metadata-evalN/A
un-div-invN/A
*-commutativeN/A
associate-*r*N/A
pow3N/A
associate-*r*N/A
*-lft-identityN/A
times-fracN/A
*-lowering-*.f64N/A
Applied egg-rr75.9%
Taylor expanded in x around 0
cube-multN/A
unpow2N/A
associate-/l*N/A
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f64N/A
*-commutativeN/A
Simplified75.9%
(FPCore (x) :precision binary64 (/ (* x x) (fabs (* x (sqrt PI)))))
double code(double x) {
return (x * x) / fabs((x * sqrt(((double) M_PI))));
}
public static double code(double x) {
return (x * x) / Math.abs((x * Math.sqrt(Math.PI)));
}
def code(x): return (x * x) / math.fabs((x * math.sqrt(math.pi)))
function code(x) return Float64(Float64(x * x) / abs(Float64(x * sqrt(pi)))) end
function tmp = code(x) tmp = (x * x) / abs((x * sqrt(pi))); end
code[x_] := N[(N[(x * x), $MachinePrecision] / N[Abs[N[(x * N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot x}{\left|x \cdot \sqrt{\pi}\right|}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around 0
+-commutativeN/A
associate-*l/N/A
associate-*r/N/A
*-rgt-identityN/A
associate-*r/N/A
*-lft-identityN/A
distribute-rgt-outN/A
*-lowering-*.f64N/A
Simplified56.5%
Taylor expanded in x around inf
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f6456.5%
Simplified56.5%
*-commutativeN/A
div-invN/A
associate-*l*N/A
associate-/r/N/A
un-div-invN/A
/-lowering-/.f64N/A
*-lowering-*.f64N/A
sqrt-divN/A
metadata-evalN/A
associate-/r/N/A
/-rgt-identityN/A
add-sqr-sqrtN/A
rem-sqrt-squareN/A
mul-fabsN/A
fabs-lowering-fabs.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
PI-lowering-PI.f6456.5%
Applied egg-rr56.5%
(FPCore (x) :precision binary64 (* (fabs x) (sqrt (/ 1.0 PI))))
double code(double x) {
return fabs(x) * sqrt((1.0 / ((double) M_PI)));
}
public static double code(double x) {
return Math.abs(x) * Math.sqrt((1.0 / Math.PI));
}
def code(x): return math.fabs(x) * math.sqrt((1.0 / math.pi))
function code(x) return Float64(abs(x) * sqrt(Float64(1.0 / pi))) end
function tmp = code(x) tmp = abs(x) * sqrt((1.0 / pi)); end
code[x_] := N[(N[Abs[x], $MachinePrecision] * N[Sqrt[N[(1.0 / Pi), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left|x\right| \cdot \sqrt{\frac{1}{\pi}}
\end{array}
Initial program 100.0%
Simplified100.0%
Taylor expanded in x around 0
+-commutativeN/A
associate-*l/N/A
associate-*r/N/A
*-rgt-identityN/A
associate-*r/N/A
*-lft-identityN/A
distribute-rgt-outN/A
*-lowering-*.f64N/A
Simplified56.5%
Taylor expanded in x around inf
*-commutativeN/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f6456.5%
Simplified56.5%
Taylor expanded in x around 0
associate-*l/N/A
associate-*r/N/A
*-rgt-identityN/A
*-inversesN/A
associate-/l*N/A
pow-sqrN/A
metadata-evalN/A
times-fracN/A
*-commutativeN/A
associate-/l*N/A
metadata-evalN/A
pow-sqrN/A
fabs-sqrN/A
pow-sqrN/A
metadata-evalN/A
*-commutativeN/A
unpow2N/A
fabs-sqrN/A
unpow2N/A
Simplified5.4%
Final simplification5.4%
(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
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
/-lowering-/.f64N/A
PI-lowering-PI.f64N/A
/-lowering-/.f64N/A
exp-lowering-exp.f64N/A
unpow2N/A
*-lowering-*.f64N/A
fabs-lowering-fabs.f64100.0%
Simplified100.0%
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.f642.2%
Simplified2.2%
/-lowering-/.f64N/A
sqrt-divN/A
metadata-evalN/A
pow1/2N/A
pow-flipN/A
pow-lowering-pow.f64N/A
PI-lowering-PI.f64N/A
metadata-evalN/A
fabs-lowering-fabs.f642.2%
Applied egg-rr2.2%
herbie shell --seed 2024192
(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)))))))