
(FPCore (x)
:precision binary64
(let* ((t_0 (* (* (fabs x) (fabs x)) (fabs x)))
(t_1 (* (* t_0 (fabs x)) (fabs x))))
(fabs
(*
(/ 1.0 (sqrt PI))
(+
(+ (+ (* 2.0 (fabs x)) (* (/ 2.0 3.0) t_0)) (* (/ 1.0 5.0) t_1))
(* (/ 1.0 21.0) (* (* t_1 (fabs x)) (fabs x))))))))
double code(double x) {
double t_0 = (fabs(x) * fabs(x)) * fabs(x);
double t_1 = (t_0 * fabs(x)) * fabs(x);
return fabs(((1.0 / sqrt(((double) M_PI))) * ((((2.0 * fabs(x)) + ((2.0 / 3.0) * t_0)) + ((1.0 / 5.0) * t_1)) + ((1.0 / 21.0) * ((t_1 * fabs(x)) * fabs(x))))));
}
public static double code(double x) {
double t_0 = (Math.abs(x) * Math.abs(x)) * Math.abs(x);
double t_1 = (t_0 * Math.abs(x)) * Math.abs(x);
return Math.abs(((1.0 / Math.sqrt(Math.PI)) * ((((2.0 * Math.abs(x)) + ((2.0 / 3.0) * t_0)) + ((1.0 / 5.0) * t_1)) + ((1.0 / 21.0) * ((t_1 * Math.abs(x)) * Math.abs(x))))));
}
def code(x): t_0 = (math.fabs(x) * math.fabs(x)) * math.fabs(x) t_1 = (t_0 * math.fabs(x)) * math.fabs(x) return math.fabs(((1.0 / math.sqrt(math.pi)) * ((((2.0 * math.fabs(x)) + ((2.0 / 3.0) * t_0)) + ((1.0 / 5.0) * t_1)) + ((1.0 / 21.0) * ((t_1 * math.fabs(x)) * math.fabs(x))))))
function code(x) t_0 = Float64(Float64(abs(x) * abs(x)) * abs(x)) t_1 = Float64(Float64(t_0 * abs(x)) * abs(x)) return abs(Float64(Float64(1.0 / sqrt(pi)) * Float64(Float64(Float64(Float64(2.0 * abs(x)) + Float64(Float64(2.0 / 3.0) * t_0)) + Float64(Float64(1.0 / 5.0) * t_1)) + Float64(Float64(1.0 / 21.0) * Float64(Float64(t_1 * abs(x)) * abs(x)))))) end
function tmp = code(x) t_0 = (abs(x) * abs(x)) * abs(x); t_1 = (t_0 * abs(x)) * abs(x); tmp = abs(((1.0 / sqrt(pi)) * ((((2.0 * abs(x)) + ((2.0 / 3.0) * t_0)) + ((1.0 / 5.0) * t_1)) + ((1.0 / 21.0) * ((t_1 * abs(x)) * abs(x)))))); end
code[x_] := Block[{t$95$0 = N[(N[(N[Abs[x], $MachinePrecision] * N[Abs[x], $MachinePrecision]), $MachinePrecision] * N[Abs[x], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(N[(t$95$0 * N[Abs[x], $MachinePrecision]), $MachinePrecision] * N[Abs[x], $MachinePrecision]), $MachinePrecision]}, N[Abs[N[(N[(1.0 / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] * N[(N[(N[(N[(2.0 * N[Abs[x], $MachinePrecision]), $MachinePrecision] + N[(N[(2.0 / 3.0), $MachinePrecision] * t$95$0), $MachinePrecision]), $MachinePrecision] + N[(N[(1.0 / 5.0), $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision] + N[(N[(1.0 / 21.0), $MachinePrecision] * N[(N[(t$95$1 * N[Abs[x], $MachinePrecision]), $MachinePrecision] * N[Abs[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(\left|x\right| \cdot \left|x\right|\right) \cdot \left|x\right|\\
t_1 := \left(t_0 \cdot \left|x\right|\right) \cdot \left|x\right|\\
\left|\frac{1}{\sqrt{\pi}} \cdot \left(\left(\left(2 \cdot \left|x\right| + \frac{2}{3} \cdot t_0\right) + \frac{1}{5} \cdot t_1\right) + \frac{1}{21} \cdot \left(\left(t_1 \cdot \left|x\right|\right) \cdot \left|x\right|\right)\right)\right|
\end{array}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 14 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x)
:precision binary64
(let* ((t_0 (* (* (fabs x) (fabs x)) (fabs x)))
(t_1 (* (* t_0 (fabs x)) (fabs x))))
(fabs
(*
(/ 1.0 (sqrt PI))
(+
(+ (+ (* 2.0 (fabs x)) (* (/ 2.0 3.0) t_0)) (* (/ 1.0 5.0) t_1))
(* (/ 1.0 21.0) (* (* t_1 (fabs x)) (fabs x))))))))
double code(double x) {
double t_0 = (fabs(x) * fabs(x)) * fabs(x);
double t_1 = (t_0 * fabs(x)) * fabs(x);
return fabs(((1.0 / sqrt(((double) M_PI))) * ((((2.0 * fabs(x)) + ((2.0 / 3.0) * t_0)) + ((1.0 / 5.0) * t_1)) + ((1.0 / 21.0) * ((t_1 * fabs(x)) * fabs(x))))));
}
public static double code(double x) {
double t_0 = (Math.abs(x) * Math.abs(x)) * Math.abs(x);
double t_1 = (t_0 * Math.abs(x)) * Math.abs(x);
return Math.abs(((1.0 / Math.sqrt(Math.PI)) * ((((2.0 * Math.abs(x)) + ((2.0 / 3.0) * t_0)) + ((1.0 / 5.0) * t_1)) + ((1.0 / 21.0) * ((t_1 * Math.abs(x)) * Math.abs(x))))));
}
def code(x): t_0 = (math.fabs(x) * math.fabs(x)) * math.fabs(x) t_1 = (t_0 * math.fabs(x)) * math.fabs(x) return math.fabs(((1.0 / math.sqrt(math.pi)) * ((((2.0 * math.fabs(x)) + ((2.0 / 3.0) * t_0)) + ((1.0 / 5.0) * t_1)) + ((1.0 / 21.0) * ((t_1 * math.fabs(x)) * math.fabs(x))))))
function code(x) t_0 = Float64(Float64(abs(x) * abs(x)) * abs(x)) t_1 = Float64(Float64(t_0 * abs(x)) * abs(x)) return abs(Float64(Float64(1.0 / sqrt(pi)) * Float64(Float64(Float64(Float64(2.0 * abs(x)) + Float64(Float64(2.0 / 3.0) * t_0)) + Float64(Float64(1.0 / 5.0) * t_1)) + Float64(Float64(1.0 / 21.0) * Float64(Float64(t_1 * abs(x)) * abs(x)))))) end
function tmp = code(x) t_0 = (abs(x) * abs(x)) * abs(x); t_1 = (t_0 * abs(x)) * abs(x); tmp = abs(((1.0 / sqrt(pi)) * ((((2.0 * abs(x)) + ((2.0 / 3.0) * t_0)) + ((1.0 / 5.0) * t_1)) + ((1.0 / 21.0) * ((t_1 * abs(x)) * abs(x)))))); end
code[x_] := Block[{t$95$0 = N[(N[(N[Abs[x], $MachinePrecision] * N[Abs[x], $MachinePrecision]), $MachinePrecision] * N[Abs[x], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(N[(t$95$0 * N[Abs[x], $MachinePrecision]), $MachinePrecision] * N[Abs[x], $MachinePrecision]), $MachinePrecision]}, N[Abs[N[(N[(1.0 / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] * N[(N[(N[(N[(2.0 * N[Abs[x], $MachinePrecision]), $MachinePrecision] + N[(N[(2.0 / 3.0), $MachinePrecision] * t$95$0), $MachinePrecision]), $MachinePrecision] + N[(N[(1.0 / 5.0), $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision] + N[(N[(1.0 / 21.0), $MachinePrecision] * N[(N[(t$95$1 * N[Abs[x], $MachinePrecision]), $MachinePrecision] * N[Abs[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(\left|x\right| \cdot \left|x\right|\right) \cdot \left|x\right|\\
t_1 := \left(t_0 \cdot \left|x\right|\right) \cdot \left|x\right|\\
\left|\frac{1}{\sqrt{\pi}} \cdot \left(\left(\left(2 \cdot \left|x\right| + \frac{2}{3} \cdot t_0\right) + \frac{1}{5} \cdot t_1\right) + \frac{1}{21} \cdot \left(\left(t_1 \cdot \left|x\right|\right) \cdot \left|x\right|\right)\right)\right|
\end{array}
\end{array}
(FPCore (x)
:precision binary64
(fabs
(*
(* (pow PI -0.5) x)
(+
(fma 0.6666666666666666 (* x x) 2.0)
(+ (* 0.2 (pow x 4.0)) (* 0.047619047619047616 (pow x 6.0)))))))
double code(double x) {
return fabs(((pow(((double) M_PI), -0.5) * x) * (fma(0.6666666666666666, (x * x), 2.0) + ((0.2 * pow(x, 4.0)) + (0.047619047619047616 * pow(x, 6.0))))));
}
function code(x) return abs(Float64(Float64((pi ^ -0.5) * x) * Float64(fma(0.6666666666666666, Float64(x * x), 2.0) + Float64(Float64(0.2 * (x ^ 4.0)) + Float64(0.047619047619047616 * (x ^ 6.0)))))) end
code[x_] := N[Abs[N[(N[(N[Power[Pi, -0.5], $MachinePrecision] * x), $MachinePrecision] * N[(N[(0.6666666666666666 * N[(x * x), $MachinePrecision] + 2.0), $MachinePrecision] + N[(N[(0.2 * N[Power[x, 4.0], $MachinePrecision]), $MachinePrecision] + N[(0.047619047619047616 * N[Power[x, 6.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\left|\left({\pi}^{-0.5} \cdot x\right) \cdot \left(\mathsf{fma}\left(0.6666666666666666, x \cdot x, 2\right) + \left(0.2 \cdot {x}^{4} + 0.047619047619047616 \cdot {x}^{6}\right)\right)\right|
\end{array}
Initial program 99.8%
Simplified99.3%
div-inv99.9%
Applied egg-rr99.9%
associate-*r/99.3%
*-rgt-identity99.3%
unpow199.3%
sqr-pow33.6%
fabs-sqr33.6%
sqr-pow99.3%
unpow199.3%
Simplified99.3%
Taylor expanded in x around 0 99.3%
clear-num99.4%
associate-/r/99.9%
pow1/299.9%
pow-flip99.9%
metadata-eval99.9%
Applied egg-rr99.9%
Final simplification99.9%
(FPCore (x)
:precision binary64
(fabs
(*
(/ x (sqrt PI))
(+
(+ (* 0.2 (pow x 4.0)) (* 0.047619047619047616 (pow x 6.0)))
(+ 2.0 (* 0.6666666666666666 (* x x)))))))
double code(double x) {
return fabs(((x / sqrt(((double) M_PI))) * (((0.2 * pow(x, 4.0)) + (0.047619047619047616 * pow(x, 6.0))) + (2.0 + (0.6666666666666666 * (x * x))))));
}
public static double code(double x) {
return Math.abs(((x / Math.sqrt(Math.PI)) * (((0.2 * Math.pow(x, 4.0)) + (0.047619047619047616 * Math.pow(x, 6.0))) + (2.0 + (0.6666666666666666 * (x * x))))));
}
def code(x): return math.fabs(((x / math.sqrt(math.pi)) * (((0.2 * math.pow(x, 4.0)) + (0.047619047619047616 * math.pow(x, 6.0))) + (2.0 + (0.6666666666666666 * (x * x))))))
function code(x) return abs(Float64(Float64(x / sqrt(pi)) * Float64(Float64(Float64(0.2 * (x ^ 4.0)) + Float64(0.047619047619047616 * (x ^ 6.0))) + Float64(2.0 + Float64(0.6666666666666666 * Float64(x * x)))))) end
function tmp = code(x) tmp = abs(((x / sqrt(pi)) * (((0.2 * (x ^ 4.0)) + (0.047619047619047616 * (x ^ 6.0))) + (2.0 + (0.6666666666666666 * (x * x)))))); end
code[x_] := N[Abs[N[(N[(x / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] * N[(N[(N[(0.2 * N[Power[x, 4.0], $MachinePrecision]), $MachinePrecision] + N[(0.047619047619047616 * N[Power[x, 6.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(2.0 + N[(0.6666666666666666 * N[(x * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\left|\frac{x}{\sqrt{\pi}} \cdot \left(\left(0.2 \cdot {x}^{4} + 0.047619047619047616 \cdot {x}^{6}\right) + \left(2 + 0.6666666666666666 \cdot \left(x \cdot x\right)\right)\right)\right|
\end{array}
Initial program 99.8%
Simplified99.3%
div-inv99.9%
Applied egg-rr99.9%
associate-*r/99.3%
*-rgt-identity99.3%
unpow199.3%
sqr-pow33.6%
fabs-sqr33.6%
sqr-pow99.3%
unpow199.3%
Simplified99.3%
Taylor expanded in x around 0 99.3%
fma-udef98.1%
Applied egg-rr99.3%
Final simplification99.3%
(FPCore (x)
:precision binary64
(fabs
(*
(/ x (sqrt PI))
(+
(* 0.047619047619047616 (pow x 6.0))
(+ 2.0 (* 0.6666666666666666 (* x x)))))))
double code(double x) {
return fabs(((x / sqrt(((double) M_PI))) * ((0.047619047619047616 * pow(x, 6.0)) + (2.0 + (0.6666666666666666 * (x * x))))));
}
public static double code(double x) {
return Math.abs(((x / Math.sqrt(Math.PI)) * ((0.047619047619047616 * Math.pow(x, 6.0)) + (2.0 + (0.6666666666666666 * (x * x))))));
}
def code(x): return math.fabs(((x / math.sqrt(math.pi)) * ((0.047619047619047616 * math.pow(x, 6.0)) + (2.0 + (0.6666666666666666 * (x * x))))))
function code(x) return abs(Float64(Float64(x / sqrt(pi)) * Float64(Float64(0.047619047619047616 * (x ^ 6.0)) + Float64(2.0 + Float64(0.6666666666666666 * Float64(x * x)))))) end
function tmp = code(x) tmp = abs(((x / sqrt(pi)) * ((0.047619047619047616 * (x ^ 6.0)) + (2.0 + (0.6666666666666666 * (x * x)))))); end
code[x_] := N[Abs[N[(N[(x / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] * N[(N[(0.047619047619047616 * N[Power[x, 6.0], $MachinePrecision]), $MachinePrecision] + N[(2.0 + N[(0.6666666666666666 * N[(x * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\left|\frac{x}{\sqrt{\pi}} \cdot \left(0.047619047619047616 \cdot {x}^{6} + \left(2 + 0.6666666666666666 \cdot \left(x \cdot x\right)\right)\right)\right|
\end{array}
Initial program 99.8%
Simplified99.3%
Taylor expanded in x around inf 98.1%
div-inv99.9%
Applied egg-rr98.6%
associate-*r/99.3%
*-rgt-identity99.3%
unpow199.3%
sqr-pow33.6%
fabs-sqr33.6%
sqr-pow99.3%
unpow199.3%
Simplified98.1%
fma-udef98.1%
Applied egg-rr98.1%
Final simplification98.1%
(FPCore (x)
:precision binary64
(let* ((t_0 (sqrt (/ 1.0 PI))))
(if (<= x 2.2)
(fabs (* t_0 (* x (+ 2.0 (* x (* x 0.6666666666666666))))))
(fabs (* 0.047619047619047616 (* t_0 (pow x 7.0)))))))
double code(double x) {
double t_0 = sqrt((1.0 / ((double) M_PI)));
double tmp;
if (x <= 2.2) {
tmp = fabs((t_0 * (x * (2.0 + (x * (x * 0.6666666666666666))))));
} else {
tmp = fabs((0.047619047619047616 * (t_0 * pow(x, 7.0))));
}
return tmp;
}
public static double code(double x) {
double t_0 = Math.sqrt((1.0 / Math.PI));
double tmp;
if (x <= 2.2) {
tmp = Math.abs((t_0 * (x * (2.0 + (x * (x * 0.6666666666666666))))));
} else {
tmp = Math.abs((0.047619047619047616 * (t_0 * Math.pow(x, 7.0))));
}
return tmp;
}
def code(x): t_0 = math.sqrt((1.0 / math.pi)) tmp = 0 if x <= 2.2: tmp = math.fabs((t_0 * (x * (2.0 + (x * (x * 0.6666666666666666)))))) else: tmp = math.fabs((0.047619047619047616 * (t_0 * math.pow(x, 7.0)))) return tmp
function code(x) t_0 = sqrt(Float64(1.0 / pi)) tmp = 0.0 if (x <= 2.2) tmp = abs(Float64(t_0 * Float64(x * Float64(2.0 + Float64(x * Float64(x * 0.6666666666666666)))))); else tmp = abs(Float64(0.047619047619047616 * Float64(t_0 * (x ^ 7.0)))); end return tmp end
function tmp_2 = code(x) t_0 = sqrt((1.0 / pi)); tmp = 0.0; if (x <= 2.2) tmp = abs((t_0 * (x * (2.0 + (x * (x * 0.6666666666666666)))))); else tmp = abs((0.047619047619047616 * (t_0 * (x ^ 7.0)))); end tmp_2 = tmp; end
code[x_] := Block[{t$95$0 = N[Sqrt[N[(1.0 / Pi), $MachinePrecision]], $MachinePrecision]}, If[LessEqual[x, 2.2], N[Abs[N[(t$95$0 * N[(x * N[(2.0 + N[(x * N[(x * 0.6666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], N[Abs[N[(0.047619047619047616 * N[(t$95$0 * N[Power[x, 7.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sqrt{\frac{1}{\pi}}\\
\mathbf{if}\;x \leq 2.2:\\
\;\;\;\;\left|t_0 \cdot \left(x \cdot \left(2 + x \cdot \left(x \cdot 0.6666666666666666\right)\right)\right)\right|\\
\mathbf{else}:\\
\;\;\;\;\left|0.047619047619047616 \cdot \left(t_0 \cdot {x}^{7}\right)\right|\\
\end{array}
\end{array}
if x < 2.2000000000000002Initial program 99.8%
Simplified99.4%
Taylor expanded in x around 0 86.6%
+-commutative86.6%
associate-*r*86.6%
associate-*r*86.6%
distribute-rgt-out86.6%
*-commutative86.6%
unpow186.6%
sqr-pow33.6%
fabs-sqr33.6%
sqr-pow85.9%
unpow185.9%
*-commutative85.9%
cube-mult85.9%
associate-*l*85.9%
unpow185.9%
sqr-pow33.8%
fabs-sqr33.8%
sqr-pow86.6%
unpow186.6%
*-commutative86.6%
Simplified86.6%
fma-udef86.6%
Applied egg-rr86.6%
if 2.2000000000000002 < x Initial program 99.8%
Simplified99.4%
Taylor expanded in x around inf 39.1%
Final simplification86.6%
(FPCore (x) :precision binary64 (fabs (* (/ x (sqrt PI)) (+ 2.0 (* 0.047619047619047616 (pow x 6.0))))))
double code(double x) {
return fabs(((x / sqrt(((double) M_PI))) * (2.0 + (0.047619047619047616 * pow(x, 6.0)))));
}
public static double code(double x) {
return Math.abs(((x / Math.sqrt(Math.PI)) * (2.0 + (0.047619047619047616 * Math.pow(x, 6.0)))));
}
def code(x): return math.fabs(((x / math.sqrt(math.pi)) * (2.0 + (0.047619047619047616 * math.pow(x, 6.0)))))
function code(x) return abs(Float64(Float64(x / sqrt(pi)) * Float64(2.0 + Float64(0.047619047619047616 * (x ^ 6.0))))) end
function tmp = code(x) tmp = abs(((x / sqrt(pi)) * (2.0 + (0.047619047619047616 * (x ^ 6.0))))); end
code[x_] := N[Abs[N[(N[(x / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] * N[(2.0 + N[(0.047619047619047616 * N[Power[x, 6.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\left|\frac{x}{\sqrt{\pi}} \cdot \left(2 + 0.047619047619047616 \cdot {x}^{6}\right)\right|
\end{array}
Initial program 99.8%
Simplified99.3%
Taylor expanded in x around inf 98.1%
div-inv99.9%
Applied egg-rr98.6%
associate-*r/99.3%
*-rgt-identity99.3%
unpow199.3%
sqr-pow33.6%
fabs-sqr33.6%
sqr-pow99.3%
unpow199.3%
Simplified98.1%
Taylor expanded in x around 0 97.4%
Final simplification97.4%
(FPCore (x)
:precision binary64
(let* ((t_0 (* x (* x 0.6666666666666666))) (t_1 (* x t_0)))
(if (<= x 5e-7)
(fabs (* x (* (pow PI -0.5) (+ 2.0 t_0))))
(if (<= x 6.5e+102)
(fabs
(*
(sqrt (/ 1.0 PI))
(/ (- (* t_1 t_1) (* (* x x) 4.0)) (- t_1 (* x 2.0)))))
(fabs (* (/ x (sqrt PI)) t_0))))))
double code(double x) {
double t_0 = x * (x * 0.6666666666666666);
double t_1 = x * t_0;
double tmp;
if (x <= 5e-7) {
tmp = fabs((x * (pow(((double) M_PI), -0.5) * (2.0 + t_0))));
} else if (x <= 6.5e+102) {
tmp = fabs((sqrt((1.0 / ((double) M_PI))) * (((t_1 * t_1) - ((x * x) * 4.0)) / (t_1 - (x * 2.0)))));
} else {
tmp = fabs(((x / sqrt(((double) M_PI))) * t_0));
}
return tmp;
}
public static double code(double x) {
double t_0 = x * (x * 0.6666666666666666);
double t_1 = x * t_0;
double tmp;
if (x <= 5e-7) {
tmp = Math.abs((x * (Math.pow(Math.PI, -0.5) * (2.0 + t_0))));
} else if (x <= 6.5e+102) {
tmp = Math.abs((Math.sqrt((1.0 / Math.PI)) * (((t_1 * t_1) - ((x * x) * 4.0)) / (t_1 - (x * 2.0)))));
} else {
tmp = Math.abs(((x / Math.sqrt(Math.PI)) * t_0));
}
return tmp;
}
def code(x): t_0 = x * (x * 0.6666666666666666) t_1 = x * t_0 tmp = 0 if x <= 5e-7: tmp = math.fabs((x * (math.pow(math.pi, -0.5) * (2.0 + t_0)))) elif x <= 6.5e+102: tmp = math.fabs((math.sqrt((1.0 / math.pi)) * (((t_1 * t_1) - ((x * x) * 4.0)) / (t_1 - (x * 2.0))))) else: tmp = math.fabs(((x / math.sqrt(math.pi)) * t_0)) return tmp
function code(x) t_0 = Float64(x * Float64(x * 0.6666666666666666)) t_1 = Float64(x * t_0) tmp = 0.0 if (x <= 5e-7) tmp = abs(Float64(x * Float64((pi ^ -0.5) * Float64(2.0 + t_0)))); elseif (x <= 6.5e+102) tmp = abs(Float64(sqrt(Float64(1.0 / pi)) * Float64(Float64(Float64(t_1 * t_1) - Float64(Float64(x * x) * 4.0)) / Float64(t_1 - Float64(x * 2.0))))); else tmp = abs(Float64(Float64(x / sqrt(pi)) * t_0)); end return tmp end
function tmp_2 = code(x) t_0 = x * (x * 0.6666666666666666); t_1 = x * t_0; tmp = 0.0; if (x <= 5e-7) tmp = abs((x * ((pi ^ -0.5) * (2.0 + t_0)))); elseif (x <= 6.5e+102) tmp = abs((sqrt((1.0 / pi)) * (((t_1 * t_1) - ((x * x) * 4.0)) / (t_1 - (x * 2.0))))); else tmp = abs(((x / sqrt(pi)) * t_0)); end tmp_2 = tmp; end
code[x_] := Block[{t$95$0 = N[(x * N[(x * 0.6666666666666666), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(x * t$95$0), $MachinePrecision]}, If[LessEqual[x, 5e-7], N[Abs[N[(x * N[(N[Power[Pi, -0.5], $MachinePrecision] * N[(2.0 + t$95$0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], If[LessEqual[x, 6.5e+102], N[Abs[N[(N[Sqrt[N[(1.0 / Pi), $MachinePrecision]], $MachinePrecision] * N[(N[(N[(t$95$1 * t$95$1), $MachinePrecision] - N[(N[(x * x), $MachinePrecision] * 4.0), $MachinePrecision]), $MachinePrecision] / N[(t$95$1 - N[(x * 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], N[Abs[N[(N[(x / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] * t$95$0), $MachinePrecision]], $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \left(x \cdot 0.6666666666666666\right)\\
t_1 := x \cdot t_0\\
\mathbf{if}\;x \leq 5 \cdot 10^{-7}:\\
\;\;\;\;\left|x \cdot \left({\pi}^{-0.5} \cdot \left(2 + t_0\right)\right)\right|\\
\mathbf{elif}\;x \leq 6.5 \cdot 10^{+102}:\\
\;\;\;\;\left|\sqrt{\frac{1}{\pi}} \cdot \frac{t_1 \cdot t_1 - \left(x \cdot x\right) \cdot 4}{t_1 - x \cdot 2}\right|\\
\mathbf{else}:\\
\;\;\;\;\left|\frac{x}{\sqrt{\pi}} \cdot t_0\right|\\
\end{array}
\end{array}
if x < 4.99999999999999977e-7Initial program 99.9%
Simplified99.4%
Taylor expanded in x around 0 86.5%
+-commutative86.5%
associate-*r*86.5%
associate-*r*86.5%
distribute-rgt-out86.5%
*-commutative86.5%
unpow186.5%
sqr-pow32.9%
fabs-sqr32.9%
sqr-pow85.9%
unpow185.9%
*-commutative85.9%
cube-mult85.9%
associate-*l*85.9%
unpow185.9%
sqr-pow33.1%
fabs-sqr33.1%
sqr-pow86.5%
unpow186.5%
*-commutative86.5%
Simplified86.5%
expm1-log1p-u63.0%
expm1-udef5.5%
pow1/25.5%
inv-pow5.5%
pow-pow5.5%
metadata-eval5.5%
Applied egg-rr5.5%
expm1-def63.0%
expm1-log1p86.5%
*-commutative86.5%
associate-*l*86.5%
*-commutative86.5%
Simplified86.5%
fma-udef86.0%
Applied egg-rr86.5%
if 4.99999999999999977e-7 < x < 6.5000000000000004e102Initial program 99.5%
Simplified99.0%
Taylor expanded in x around 0 91.3%
+-commutative91.3%
associate-*r*91.3%
associate-*r*91.3%
distribute-rgt-out91.0%
*-commutative91.0%
unpow191.0%
sqr-pow91.0%
fabs-sqr91.0%
sqr-pow91.0%
unpow191.0%
*-commutative91.0%
cube-mult91.0%
associate-*l*91.0%
unpow191.0%
sqr-pow91.0%
fabs-sqr91.0%
sqr-pow91.0%
unpow191.0%
*-commutative91.0%
Simplified91.3%
fma-udef91.3%
Applied egg-rr91.3%
distribute-lft-in91.0%
flip-+91.0%
*-commutative91.0%
*-commutative91.0%
*-commutative91.0%
*-commutative91.0%
swap-sqr91.0%
metadata-eval91.0%
*-commutative91.0%
Applied egg-rr91.0%
if 6.5000000000000004e102 < x Initial program 99.8%
Simplified99.4%
Taylor expanded in x around 0 86.6%
+-commutative86.6%
associate-*r*86.6%
associate-*r*86.6%
distribute-rgt-out86.6%
*-commutative86.6%
unpow186.6%
sqr-pow33.6%
fabs-sqr33.6%
sqr-pow85.9%
unpow185.9%
*-commutative85.9%
cube-mult85.9%
associate-*l*85.9%
unpow185.9%
sqr-pow33.8%
fabs-sqr33.8%
sqr-pow86.6%
unpow186.6%
*-commutative86.6%
Simplified86.6%
expm1-log1p-u63.3%
expm1-udef6.4%
pow1/26.4%
inv-pow6.4%
pow-pow6.4%
metadata-eval6.4%
Applied egg-rr6.4%
expm1-def63.3%
expm1-log1p86.6%
*-commutative86.6%
associate-*l*86.6%
*-commutative86.6%
Simplified86.6%
expm1-log1p-u63.3%
expm1-udef6.4%
*-commutative6.4%
associate-*r*6.4%
metadata-eval6.4%
pow-flip6.4%
pow1/26.4%
div-inv6.4%
Applied egg-rr6.4%
expm1-def62.8%
expm1-log1p86.1%
Simplified86.1%
Taylor expanded in x around inf 27.4%
*-commutative27.4%
unpow227.4%
associate-*r*27.4%
Simplified27.4%
Final simplification86.6%
(FPCore (x)
:precision binary64
(let* ((t_0 (* x (* x 0.6666666666666666))))
(if (<= x 2e+102)
(fabs (* x (* (pow PI -0.5) (/ (- (* t_0 t_0) 4.0) (- t_0 2.0)))))
(fabs (* (/ x (sqrt PI)) t_0)))))
double code(double x) {
double t_0 = x * (x * 0.6666666666666666);
double tmp;
if (x <= 2e+102) {
tmp = fabs((x * (pow(((double) M_PI), -0.5) * (((t_0 * t_0) - 4.0) / (t_0 - 2.0)))));
} else {
tmp = fabs(((x / sqrt(((double) M_PI))) * t_0));
}
return tmp;
}
public static double code(double x) {
double t_0 = x * (x * 0.6666666666666666);
double tmp;
if (x <= 2e+102) {
tmp = Math.abs((x * (Math.pow(Math.PI, -0.5) * (((t_0 * t_0) - 4.0) / (t_0 - 2.0)))));
} else {
tmp = Math.abs(((x / Math.sqrt(Math.PI)) * t_0));
}
return tmp;
}
def code(x): t_0 = x * (x * 0.6666666666666666) tmp = 0 if x <= 2e+102: tmp = math.fabs((x * (math.pow(math.pi, -0.5) * (((t_0 * t_0) - 4.0) / (t_0 - 2.0))))) else: tmp = math.fabs(((x / math.sqrt(math.pi)) * t_0)) return tmp
function code(x) t_0 = Float64(x * Float64(x * 0.6666666666666666)) tmp = 0.0 if (x <= 2e+102) tmp = abs(Float64(x * Float64((pi ^ -0.5) * Float64(Float64(Float64(t_0 * t_0) - 4.0) / Float64(t_0 - 2.0))))); else tmp = abs(Float64(Float64(x / sqrt(pi)) * t_0)); end return tmp end
function tmp_2 = code(x) t_0 = x * (x * 0.6666666666666666); tmp = 0.0; if (x <= 2e+102) tmp = abs((x * ((pi ^ -0.5) * (((t_0 * t_0) - 4.0) / (t_0 - 2.0))))); else tmp = abs(((x / sqrt(pi)) * t_0)); end tmp_2 = tmp; end
code[x_] := Block[{t$95$0 = N[(x * N[(x * 0.6666666666666666), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[x, 2e+102], N[Abs[N[(x * N[(N[Power[Pi, -0.5], $MachinePrecision] * N[(N[(N[(t$95$0 * t$95$0), $MachinePrecision] - 4.0), $MachinePrecision] / N[(t$95$0 - 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], N[Abs[N[(N[(x / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] * t$95$0), $MachinePrecision]], $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \left(x \cdot 0.6666666666666666\right)\\
\mathbf{if}\;x \leq 2 \cdot 10^{+102}:\\
\;\;\;\;\left|x \cdot \left({\pi}^{-0.5} \cdot \frac{t_0 \cdot t_0 - 4}{t_0 - 2}\right)\right|\\
\mathbf{else}:\\
\;\;\;\;\left|\frac{x}{\sqrt{\pi}} \cdot t_0\right|\\
\end{array}
\end{array}
if x < 1.99999999999999995e102Initial program 99.8%
Simplified99.4%
Taylor expanded in x around 0 86.6%
+-commutative86.6%
associate-*r*86.6%
associate-*r*86.6%
distribute-rgt-out86.6%
*-commutative86.6%
unpow186.6%
sqr-pow33.6%
fabs-sqr33.6%
sqr-pow85.9%
unpow185.9%
*-commutative85.9%
cube-mult85.9%
associate-*l*85.9%
unpow185.9%
sqr-pow33.8%
fabs-sqr33.8%
sqr-pow86.6%
unpow186.6%
*-commutative86.6%
Simplified86.6%
expm1-log1p-u63.3%
expm1-udef6.4%
pow1/26.4%
inv-pow6.4%
pow-pow6.4%
metadata-eval6.4%
Applied egg-rr6.4%
expm1-def63.3%
expm1-log1p86.6%
*-commutative86.6%
associate-*l*86.6%
*-commutative86.6%
Simplified86.6%
fma-udef86.1%
flip-+72.5%
metadata-eval72.5%
Applied egg-rr73.0%
if 1.99999999999999995e102 < x Initial program 99.8%
Simplified99.4%
Taylor expanded in x around 0 86.6%
+-commutative86.6%
associate-*r*86.6%
associate-*r*86.6%
distribute-rgt-out86.6%
*-commutative86.6%
unpow186.6%
sqr-pow33.6%
fabs-sqr33.6%
sqr-pow85.9%
unpow185.9%
*-commutative85.9%
cube-mult85.9%
associate-*l*85.9%
unpow185.9%
sqr-pow33.8%
fabs-sqr33.8%
sqr-pow86.6%
unpow186.6%
*-commutative86.6%
Simplified86.6%
expm1-log1p-u63.3%
expm1-udef6.4%
pow1/26.4%
inv-pow6.4%
pow-pow6.4%
metadata-eval6.4%
Applied egg-rr6.4%
expm1-def63.3%
expm1-log1p86.6%
*-commutative86.6%
associate-*l*86.6%
*-commutative86.6%
Simplified86.6%
expm1-log1p-u63.3%
expm1-udef6.4%
*-commutative6.4%
associate-*r*6.4%
metadata-eval6.4%
pow-flip6.4%
pow1/26.4%
div-inv6.4%
Applied egg-rr6.4%
expm1-def62.8%
expm1-log1p86.1%
Simplified86.1%
Taylor expanded in x around inf 27.4%
*-commutative27.4%
unpow227.4%
associate-*r*27.4%
Simplified27.4%
Final simplification73.0%
(FPCore (x)
:precision binary64
(let* ((t_0 (/ x (sqrt PI))) (t_1 (* x (* x 0.6666666666666666))))
(if (<= x 2e+102)
(fabs (* t_0 (/ (- (* t_1 t_1) 4.0) (- t_1 2.0))))
(fabs (* t_0 t_1)))))
double code(double x) {
double t_0 = x / sqrt(((double) M_PI));
double t_1 = x * (x * 0.6666666666666666);
double tmp;
if (x <= 2e+102) {
tmp = fabs((t_0 * (((t_1 * t_1) - 4.0) / (t_1 - 2.0))));
} else {
tmp = fabs((t_0 * t_1));
}
return tmp;
}
public static double code(double x) {
double t_0 = x / Math.sqrt(Math.PI);
double t_1 = x * (x * 0.6666666666666666);
double tmp;
if (x <= 2e+102) {
tmp = Math.abs((t_0 * (((t_1 * t_1) - 4.0) / (t_1 - 2.0))));
} else {
tmp = Math.abs((t_0 * t_1));
}
return tmp;
}
def code(x): t_0 = x / math.sqrt(math.pi) t_1 = x * (x * 0.6666666666666666) tmp = 0 if x <= 2e+102: tmp = math.fabs((t_0 * (((t_1 * t_1) - 4.0) / (t_1 - 2.0)))) else: tmp = math.fabs((t_0 * t_1)) return tmp
function code(x) t_0 = Float64(x / sqrt(pi)) t_1 = Float64(x * Float64(x * 0.6666666666666666)) tmp = 0.0 if (x <= 2e+102) tmp = abs(Float64(t_0 * Float64(Float64(Float64(t_1 * t_1) - 4.0) / Float64(t_1 - 2.0)))); else tmp = abs(Float64(t_0 * t_1)); end return tmp end
function tmp_2 = code(x) t_0 = x / sqrt(pi); t_1 = x * (x * 0.6666666666666666); tmp = 0.0; if (x <= 2e+102) tmp = abs((t_0 * (((t_1 * t_1) - 4.0) / (t_1 - 2.0)))); else tmp = abs((t_0 * t_1)); end tmp_2 = tmp; end
code[x_] := Block[{t$95$0 = N[(x / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(x * N[(x * 0.6666666666666666), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[x, 2e+102], N[Abs[N[(t$95$0 * N[(N[(N[(t$95$1 * t$95$1), $MachinePrecision] - 4.0), $MachinePrecision] / N[(t$95$1 - 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], N[Abs[N[(t$95$0 * t$95$1), $MachinePrecision]], $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x}{\sqrt{\pi}}\\
t_1 := x \cdot \left(x \cdot 0.6666666666666666\right)\\
\mathbf{if}\;x \leq 2 \cdot 10^{+102}:\\
\;\;\;\;\left|t_0 \cdot \frac{t_1 \cdot t_1 - 4}{t_1 - 2}\right|\\
\mathbf{else}:\\
\;\;\;\;\left|t_0 \cdot t_1\right|\\
\end{array}
\end{array}
if x < 1.99999999999999995e102Initial program 99.8%
Simplified99.4%
Taylor expanded in x around 0 86.6%
+-commutative86.6%
associate-*r*86.6%
associate-*r*86.6%
distribute-rgt-out86.6%
*-commutative86.6%
unpow186.6%
sqr-pow33.6%
fabs-sqr33.6%
sqr-pow85.9%
unpow185.9%
*-commutative85.9%
cube-mult85.9%
associate-*l*85.9%
unpow185.9%
sqr-pow33.8%
fabs-sqr33.8%
sqr-pow86.6%
unpow186.6%
*-commutative86.6%
Simplified86.6%
expm1-log1p-u63.3%
expm1-udef6.4%
pow1/26.4%
inv-pow6.4%
pow-pow6.4%
metadata-eval6.4%
Applied egg-rr6.4%
expm1-def63.3%
expm1-log1p86.6%
*-commutative86.6%
associate-*l*86.6%
*-commutative86.6%
Simplified86.6%
expm1-log1p-u63.3%
expm1-udef6.4%
*-commutative6.4%
associate-*r*6.4%
metadata-eval6.4%
pow-flip6.4%
pow1/26.4%
div-inv6.4%
Applied egg-rr6.4%
expm1-def62.8%
expm1-log1p86.1%
Simplified86.1%
fma-udef86.1%
flip-+72.5%
metadata-eval72.5%
Applied egg-rr72.5%
if 1.99999999999999995e102 < x Initial program 99.8%
Simplified99.4%
Taylor expanded in x around 0 86.6%
+-commutative86.6%
associate-*r*86.6%
associate-*r*86.6%
distribute-rgt-out86.6%
*-commutative86.6%
unpow186.6%
sqr-pow33.6%
fabs-sqr33.6%
sqr-pow85.9%
unpow185.9%
*-commutative85.9%
cube-mult85.9%
associate-*l*85.9%
unpow185.9%
sqr-pow33.8%
fabs-sqr33.8%
sqr-pow86.6%
unpow186.6%
*-commutative86.6%
Simplified86.6%
expm1-log1p-u63.3%
expm1-udef6.4%
pow1/26.4%
inv-pow6.4%
pow-pow6.4%
metadata-eval6.4%
Applied egg-rr6.4%
expm1-def63.3%
expm1-log1p86.6%
*-commutative86.6%
associate-*l*86.6%
*-commutative86.6%
Simplified86.6%
expm1-log1p-u63.3%
expm1-udef6.4%
*-commutative6.4%
associate-*r*6.4%
metadata-eval6.4%
pow-flip6.4%
pow1/26.4%
div-inv6.4%
Applied egg-rr6.4%
expm1-def62.8%
expm1-log1p86.1%
Simplified86.1%
Taylor expanded in x around inf 27.4%
*-commutative27.4%
unpow227.4%
associate-*r*27.4%
Simplified27.4%
Final simplification72.5%
(FPCore (x) :precision binary64 (fabs (* (sqrt (/ 1.0 PI)) (* x (+ 2.0 (* x (* x 0.6666666666666666)))))))
double code(double x) {
return fabs((sqrt((1.0 / ((double) M_PI))) * (x * (2.0 + (x * (x * 0.6666666666666666))))));
}
public static double code(double x) {
return Math.abs((Math.sqrt((1.0 / Math.PI)) * (x * (2.0 + (x * (x * 0.6666666666666666))))));
}
def code(x): return math.fabs((math.sqrt((1.0 / math.pi)) * (x * (2.0 + (x * (x * 0.6666666666666666))))))
function code(x) return abs(Float64(sqrt(Float64(1.0 / pi)) * Float64(x * Float64(2.0 + Float64(x * Float64(x * 0.6666666666666666)))))) end
function tmp = code(x) tmp = abs((sqrt((1.0 / pi)) * (x * (2.0 + (x * (x * 0.6666666666666666)))))); end
code[x_] := N[Abs[N[(N[Sqrt[N[(1.0 / Pi), $MachinePrecision]], $MachinePrecision] * N[(x * N[(2.0 + N[(x * N[(x * 0.6666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\left|\sqrt{\frac{1}{\pi}} \cdot \left(x \cdot \left(2 + x \cdot \left(x \cdot 0.6666666666666666\right)\right)\right)\right|
\end{array}
Initial program 99.8%
Simplified99.4%
Taylor expanded in x around 0 86.6%
+-commutative86.6%
associate-*r*86.6%
associate-*r*86.6%
distribute-rgt-out86.6%
*-commutative86.6%
unpow186.6%
sqr-pow33.6%
fabs-sqr33.6%
sqr-pow85.9%
unpow185.9%
*-commutative85.9%
cube-mult85.9%
associate-*l*85.9%
unpow185.9%
sqr-pow33.8%
fabs-sqr33.8%
sqr-pow86.6%
unpow186.6%
*-commutative86.6%
Simplified86.6%
fma-udef86.6%
Applied egg-rr86.6%
Final simplification86.6%
(FPCore (x) :precision binary64 (fabs (* x (* (pow PI -0.5) (+ 2.0 (* x (* x 0.6666666666666666)))))))
double code(double x) {
return fabs((x * (pow(((double) M_PI), -0.5) * (2.0 + (x * (x * 0.6666666666666666))))));
}
public static double code(double x) {
return Math.abs((x * (Math.pow(Math.PI, -0.5) * (2.0 + (x * (x * 0.6666666666666666))))));
}
def code(x): return math.fabs((x * (math.pow(math.pi, -0.5) * (2.0 + (x * (x * 0.6666666666666666))))))
function code(x) return abs(Float64(x * Float64((pi ^ -0.5) * Float64(2.0 + Float64(x * Float64(x * 0.6666666666666666)))))) end
function tmp = code(x) tmp = abs((x * ((pi ^ -0.5) * (2.0 + (x * (x * 0.6666666666666666)))))); end
code[x_] := N[Abs[N[(x * N[(N[Power[Pi, -0.5], $MachinePrecision] * N[(2.0 + N[(x * N[(x * 0.6666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\left|x \cdot \left({\pi}^{-0.5} \cdot \left(2 + x \cdot \left(x \cdot 0.6666666666666666\right)\right)\right)\right|
\end{array}
Initial program 99.8%
Simplified99.4%
Taylor expanded in x around 0 86.6%
+-commutative86.6%
associate-*r*86.6%
associate-*r*86.6%
distribute-rgt-out86.6%
*-commutative86.6%
unpow186.6%
sqr-pow33.6%
fabs-sqr33.6%
sqr-pow85.9%
unpow185.9%
*-commutative85.9%
cube-mult85.9%
associate-*l*85.9%
unpow185.9%
sqr-pow33.8%
fabs-sqr33.8%
sqr-pow86.6%
unpow186.6%
*-commutative86.6%
Simplified86.6%
expm1-log1p-u63.3%
expm1-udef6.4%
pow1/26.4%
inv-pow6.4%
pow-pow6.4%
metadata-eval6.4%
Applied egg-rr6.4%
expm1-def63.3%
expm1-log1p86.6%
*-commutative86.6%
associate-*l*86.6%
*-commutative86.6%
Simplified86.6%
fma-udef86.1%
Applied egg-rr86.6%
Final simplification86.6%
(FPCore (x) :precision binary64 (if (<= x 1.75) (fabs (* x (/ 2.0 (sqrt PI)))) (fabs (* (/ x (sqrt PI)) (* x (* x 0.6666666666666666))))))
double code(double x) {
double tmp;
if (x <= 1.75) {
tmp = fabs((x * (2.0 / sqrt(((double) M_PI)))));
} else {
tmp = fabs(((x / sqrt(((double) M_PI))) * (x * (x * 0.6666666666666666))));
}
return tmp;
}
public static double code(double x) {
double tmp;
if (x <= 1.75) {
tmp = Math.abs((x * (2.0 / Math.sqrt(Math.PI))));
} else {
tmp = Math.abs(((x / Math.sqrt(Math.PI)) * (x * (x * 0.6666666666666666))));
}
return tmp;
}
def code(x): tmp = 0 if x <= 1.75: tmp = math.fabs((x * (2.0 / math.sqrt(math.pi)))) else: tmp = math.fabs(((x / math.sqrt(math.pi)) * (x * (x * 0.6666666666666666)))) return tmp
function code(x) tmp = 0.0 if (x <= 1.75) tmp = abs(Float64(x * Float64(2.0 / sqrt(pi)))); else tmp = abs(Float64(Float64(x / sqrt(pi)) * Float64(x * Float64(x * 0.6666666666666666)))); end return tmp end
function tmp_2 = code(x) tmp = 0.0; if (x <= 1.75) tmp = abs((x * (2.0 / sqrt(pi)))); else tmp = abs(((x / sqrt(pi)) * (x * (x * 0.6666666666666666)))); end tmp_2 = tmp; end
code[x_] := If[LessEqual[x, 1.75], N[Abs[N[(x * N[(2.0 / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], N[Abs[N[(N[(x / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] * N[(x * N[(x * 0.6666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq 1.75:\\
\;\;\;\;\left|x \cdot \frac{2}{\sqrt{\pi}}\right|\\
\mathbf{else}:\\
\;\;\;\;\left|\frac{x}{\sqrt{\pi}} \cdot \left(x \cdot \left(x \cdot 0.6666666666666666\right)\right)\right|\\
\end{array}
\end{array}
if x < 1.75Initial program 99.8%
Simplified99.4%
Taylor expanded in x around 0 64.8%
associate-*r*65.1%
Simplified65.1%
expm1-log1p-u62.6%
expm1-udef6.0%
*-commutative6.0%
pow1/26.0%
inv-pow6.0%
pow-pow6.0%
metadata-eval6.0%
Applied egg-rr6.0%
expm1-def62.6%
expm1-log1p65.1%
associate-*l*64.8%
Simplified64.8%
expm1-log1p-u62.6%
expm1-udef6.0%
*-commutative6.0%
associate-*r*6.0%
metadata-eval6.0%
pow-flip6.0%
pow1/26.0%
div-inv6.0%
Applied egg-rr6.0%
expm1-def62.1%
expm1-log1p64.3%
associate-*l/64.6%
Simplified64.6%
expm1-log1p-u62.1%
expm1-udef6.0%
*-commutative6.0%
*-un-lft-identity6.0%
times-frac6.0%
metadata-eval6.0%
Applied egg-rr6.0%
expm1-def62.1%
expm1-log1p64.3%
*-commutative64.3%
associate-*l/64.6%
associate-*r/64.8%
Simplified64.8%
if 1.75 < x Initial program 99.8%
Simplified99.4%
Taylor expanded in x around 0 86.6%
+-commutative86.6%
associate-*r*86.6%
associate-*r*86.6%
distribute-rgt-out86.6%
*-commutative86.6%
unpow186.6%
sqr-pow33.6%
fabs-sqr33.6%
sqr-pow85.9%
unpow185.9%
*-commutative85.9%
cube-mult85.9%
associate-*l*85.9%
unpow185.9%
sqr-pow33.8%
fabs-sqr33.8%
sqr-pow86.6%
unpow186.6%
*-commutative86.6%
Simplified86.6%
expm1-log1p-u63.3%
expm1-udef6.4%
pow1/26.4%
inv-pow6.4%
pow-pow6.4%
metadata-eval6.4%
Applied egg-rr6.4%
expm1-def63.3%
expm1-log1p86.6%
*-commutative86.6%
associate-*l*86.6%
*-commutative86.6%
Simplified86.6%
expm1-log1p-u63.3%
expm1-udef6.4%
*-commutative6.4%
associate-*r*6.4%
metadata-eval6.4%
pow-flip6.4%
pow1/26.4%
div-inv6.4%
Applied egg-rr6.4%
expm1-def62.8%
expm1-log1p86.1%
Simplified86.1%
Taylor expanded in x around inf 27.4%
*-commutative27.4%
unpow227.4%
associate-*r*27.4%
Simplified27.4%
Final simplification64.8%
(FPCore (x) :precision binary64 (fabs (* (/ x (sqrt PI)) (+ 2.0 (* x (* x 0.6666666666666666))))))
double code(double x) {
return fabs(((x / sqrt(((double) M_PI))) * (2.0 + (x * (x * 0.6666666666666666)))));
}
public static double code(double x) {
return Math.abs(((x / Math.sqrt(Math.PI)) * (2.0 + (x * (x * 0.6666666666666666)))));
}
def code(x): return math.fabs(((x / math.sqrt(math.pi)) * (2.0 + (x * (x * 0.6666666666666666)))))
function code(x) return abs(Float64(Float64(x / sqrt(pi)) * Float64(2.0 + Float64(x * Float64(x * 0.6666666666666666))))) end
function tmp = code(x) tmp = abs(((x / sqrt(pi)) * (2.0 + (x * (x * 0.6666666666666666))))); end
code[x_] := N[Abs[N[(N[(x / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision] * N[(2.0 + N[(x * N[(x * 0.6666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\left|\frac{x}{\sqrt{\pi}} \cdot \left(2 + x \cdot \left(x \cdot 0.6666666666666666\right)\right)\right|
\end{array}
Initial program 99.8%
Simplified99.4%
Taylor expanded in x around 0 86.6%
+-commutative86.6%
associate-*r*86.6%
associate-*r*86.6%
distribute-rgt-out86.6%
*-commutative86.6%
unpow186.6%
sqr-pow33.6%
fabs-sqr33.6%
sqr-pow85.9%
unpow185.9%
*-commutative85.9%
cube-mult85.9%
associate-*l*85.9%
unpow185.9%
sqr-pow33.8%
fabs-sqr33.8%
sqr-pow86.6%
unpow186.6%
*-commutative86.6%
Simplified86.6%
expm1-log1p-u63.3%
expm1-udef6.4%
pow1/26.4%
inv-pow6.4%
pow-pow6.4%
metadata-eval6.4%
Applied egg-rr6.4%
expm1-def63.3%
expm1-log1p86.6%
*-commutative86.6%
associate-*l*86.6%
*-commutative86.6%
Simplified86.6%
expm1-log1p-u63.3%
expm1-udef6.4%
*-commutative6.4%
associate-*r*6.4%
metadata-eval6.4%
pow-flip6.4%
pow1/26.4%
div-inv6.4%
Applied egg-rr6.4%
expm1-def62.8%
expm1-log1p86.1%
Simplified86.1%
fma-udef86.1%
Applied egg-rr86.1%
Final simplification86.1%
(FPCore (x) :precision binary64 (if (<= x 1e+118) (fabs (* x (/ 2.0 (sqrt PI)))) (fabs (sqrt (/ (* x x) (/ PI 4.0))))))
double code(double x) {
double tmp;
if (x <= 1e+118) {
tmp = fabs((x * (2.0 / sqrt(((double) M_PI)))));
} else {
tmp = fabs(sqrt(((x * x) / (((double) M_PI) / 4.0))));
}
return tmp;
}
public static double code(double x) {
double tmp;
if (x <= 1e+118) {
tmp = Math.abs((x * (2.0 / Math.sqrt(Math.PI))));
} else {
tmp = Math.abs(Math.sqrt(((x * x) / (Math.PI / 4.0))));
}
return tmp;
}
def code(x): tmp = 0 if x <= 1e+118: tmp = math.fabs((x * (2.0 / math.sqrt(math.pi)))) else: tmp = math.fabs(math.sqrt(((x * x) / (math.pi / 4.0)))) return tmp
function code(x) tmp = 0.0 if (x <= 1e+118) tmp = abs(Float64(x * Float64(2.0 / sqrt(pi)))); else tmp = abs(sqrt(Float64(Float64(x * x) / Float64(pi / 4.0)))); end return tmp end
function tmp_2 = code(x) tmp = 0.0; if (x <= 1e+118) tmp = abs((x * (2.0 / sqrt(pi)))); else tmp = abs(sqrt(((x * x) / (pi / 4.0)))); end tmp_2 = tmp; end
code[x_] := If[LessEqual[x, 1e+118], N[Abs[N[(x * N[(2.0 / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], N[Abs[N[Sqrt[N[(N[(x * x), $MachinePrecision] / N[(Pi / 4.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq 10^{+118}:\\
\;\;\;\;\left|x \cdot \frac{2}{\sqrt{\pi}}\right|\\
\mathbf{else}:\\
\;\;\;\;\left|\sqrt{\frac{x \cdot x}{\frac{\pi}{4}}}\right|\\
\end{array}
\end{array}
if x < 9.99999999999999967e117Initial program 99.8%
Simplified99.4%
Taylor expanded in x around 0 64.8%
associate-*r*65.1%
Simplified65.1%
expm1-log1p-u62.6%
expm1-udef6.0%
*-commutative6.0%
pow1/26.0%
inv-pow6.0%
pow-pow6.0%
metadata-eval6.0%
Applied egg-rr6.0%
expm1-def62.6%
expm1-log1p65.1%
associate-*l*64.8%
Simplified64.8%
expm1-log1p-u62.6%
expm1-udef6.0%
*-commutative6.0%
associate-*r*6.0%
metadata-eval6.0%
pow-flip6.0%
pow1/26.0%
div-inv6.0%
Applied egg-rr6.0%
expm1-def62.1%
expm1-log1p64.3%
associate-*l/64.6%
Simplified64.6%
expm1-log1p-u62.1%
expm1-udef6.0%
*-commutative6.0%
*-un-lft-identity6.0%
times-frac6.0%
metadata-eval6.0%
Applied egg-rr6.0%
expm1-def62.1%
expm1-log1p64.3%
*-commutative64.3%
associate-*l/64.6%
associate-*r/64.8%
Simplified64.8%
if 9.99999999999999967e117 < x Initial program 99.8%
Simplified99.4%
Taylor expanded in x around 0 64.8%
associate-*r*65.1%
Simplified65.1%
expm1-log1p-u62.6%
expm1-udef6.0%
*-commutative6.0%
pow1/26.0%
inv-pow6.0%
pow-pow6.0%
metadata-eval6.0%
Applied egg-rr6.0%
expm1-def62.6%
expm1-log1p65.1%
associate-*l*64.8%
Simplified64.8%
expm1-log1p-u62.6%
expm1-udef6.0%
*-commutative6.0%
associate-*r*6.0%
metadata-eval6.0%
pow-flip6.0%
pow1/26.0%
div-inv6.0%
Applied egg-rr6.0%
expm1-def62.1%
expm1-log1p64.3%
associate-*l/64.6%
Simplified64.6%
add-sqr-sqrt33.0%
sqrt-unprod48.2%
frac-times48.2%
*-commutative48.2%
*-commutative48.2%
swap-sqr48.2%
metadata-eval48.2%
add-sqr-sqrt48.3%
Applied egg-rr48.3%
*-commutative48.3%
associate-/l*48.3%
Simplified48.3%
Final simplification64.8%
(FPCore (x) :precision binary64 (fabs (* x (/ 2.0 (sqrt PI)))))
double code(double x) {
return fabs((x * (2.0 / sqrt(((double) M_PI)))));
}
public static double code(double x) {
return Math.abs((x * (2.0 / Math.sqrt(Math.PI))));
}
def code(x): return math.fabs((x * (2.0 / math.sqrt(math.pi))))
function code(x) return abs(Float64(x * Float64(2.0 / sqrt(pi)))) end
function tmp = code(x) tmp = abs((x * (2.0 / sqrt(pi)))); end
code[x_] := N[Abs[N[(x * N[(2.0 / N[Sqrt[Pi], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]
\begin{array}{l}
\\
\left|x \cdot \frac{2}{\sqrt{\pi}}\right|
\end{array}
Initial program 99.8%
Simplified99.4%
Taylor expanded in x around 0 64.8%
associate-*r*65.1%
Simplified65.1%
expm1-log1p-u62.6%
expm1-udef6.0%
*-commutative6.0%
pow1/26.0%
inv-pow6.0%
pow-pow6.0%
metadata-eval6.0%
Applied egg-rr6.0%
expm1-def62.6%
expm1-log1p65.1%
associate-*l*64.8%
Simplified64.8%
expm1-log1p-u62.6%
expm1-udef6.0%
*-commutative6.0%
associate-*r*6.0%
metadata-eval6.0%
pow-flip6.0%
pow1/26.0%
div-inv6.0%
Applied egg-rr6.0%
expm1-def62.1%
expm1-log1p64.3%
associate-*l/64.6%
Simplified64.6%
expm1-log1p-u62.1%
expm1-udef6.0%
*-commutative6.0%
*-un-lft-identity6.0%
times-frac6.0%
metadata-eval6.0%
Applied egg-rr6.0%
expm1-def62.1%
expm1-log1p64.3%
*-commutative64.3%
associate-*l/64.6%
associate-*r/64.8%
Simplified64.8%
Final simplification64.8%
herbie shell --seed 2023201
(FPCore (x)
:name "Jmat.Real.erfi, branch x less than or equal to 0.5"
:precision binary64
:pre (<= x 0.5)
(fabs (* (/ 1.0 (sqrt PI)) (+ (+ (+ (* 2.0 (fabs x)) (* (/ 2.0 3.0) (* (* (fabs x) (fabs x)) (fabs x)))) (* (/ 1.0 5.0) (* (* (* (* (fabs x) (fabs x)) (fabs x)) (fabs x)) (fabs x)))) (* (/ 1.0 21.0) (* (* (* (* (* (* (fabs x) (fabs x)) (fabs x)) (fabs x)) (fabs x)) (fabs x)) (fabs x)))))))