
(FPCore (x y z t a b c)
:precision binary64
(/
x
(+
x
(*
y
(exp
(*
2.0
(-
(/ (* z (sqrt (+ t a))) t)
(* (- b c) (- (+ a (/ 5.0 6.0)) (/ 2.0 (* t 3.0)))))))))))
double code(double x, double y, double z, double t, double a, double b, double c) {
return x / (x + (y * exp((2.0 * (((z * sqrt((t + a))) / t) - ((b - c) * ((a + (5.0 / 6.0)) - (2.0 / (t * 3.0)))))))));
}
real(8) function code(x, y, z, t, a, b, c)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = x / (x + (y * exp((2.0d0 * (((z * sqrt((t + a))) / t) - ((b - c) * ((a + (5.0d0 / 6.0d0)) - (2.0d0 / (t * 3.0d0)))))))))
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
return x / (x + (y * Math.exp((2.0 * (((z * Math.sqrt((t + a))) / t) - ((b - c) * ((a + (5.0 / 6.0)) - (2.0 / (t * 3.0)))))))));
}
def code(x, y, z, t, a, b, c): return x / (x + (y * math.exp((2.0 * (((z * math.sqrt((t + a))) / t) - ((b - c) * ((a + (5.0 / 6.0)) - (2.0 / (t * 3.0)))))))))
function code(x, y, z, t, a, b, c) return Float64(x / Float64(x + Float64(y * exp(Float64(2.0 * Float64(Float64(Float64(z * sqrt(Float64(t + a))) / t) - Float64(Float64(b - c) * Float64(Float64(a + Float64(5.0 / 6.0)) - Float64(2.0 / Float64(t * 3.0)))))))))) end
function tmp = code(x, y, z, t, a, b, c) tmp = x / (x + (y * exp((2.0 * (((z * sqrt((t + a))) / t) - ((b - c) * ((a + (5.0 / 6.0)) - (2.0 / (t * 3.0))))))))); end
code[x_, y_, z_, t_, a_, b_, c_] := N[(x / N[(x + N[(y * N[Exp[N[(2.0 * N[(N[(N[(z * N[Sqrt[N[(t + a), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision] - N[(N[(b - c), $MachinePrecision] * N[(N[(a + N[(5.0 / 6.0), $MachinePrecision]), $MachinePrecision] - N[(2.0 / N[(t * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x}{x + y \cdot e^{2 \cdot \left(\frac{z \cdot \sqrt{t + a}}{t} - \left(b - c\right) \cdot \left(\left(a + \frac{5}{6}\right) - \frac{2}{t \cdot 3}\right)\right)}}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 1 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t a b c)
:precision binary64
(/
x
(+
x
(*
y
(exp
(*
2.0
(-
(/ (* z (sqrt (+ t a))) t)
(* (- b c) (- (+ a (/ 5.0 6.0)) (/ 2.0 (* t 3.0)))))))))))
double code(double x, double y, double z, double t, double a, double b, double c) {
return x / (x + (y * exp((2.0 * (((z * sqrt((t + a))) / t) - ((b - c) * ((a + (5.0 / 6.0)) - (2.0 / (t * 3.0)))))))));
}
real(8) function code(x, y, z, t, a, b, c)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = x / (x + (y * exp((2.0d0 * (((z * sqrt((t + a))) / t) - ((b - c) * ((a + (5.0d0 / 6.0d0)) - (2.0d0 / (t * 3.0d0)))))))))
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
return x / (x + (y * Math.exp((2.0 * (((z * Math.sqrt((t + a))) / t) - ((b - c) * ((a + (5.0 / 6.0)) - (2.0 / (t * 3.0)))))))));
}
def code(x, y, z, t, a, b, c): return x / (x + (y * math.exp((2.0 * (((z * math.sqrt((t + a))) / t) - ((b - c) * ((a + (5.0 / 6.0)) - (2.0 / (t * 3.0)))))))))
function code(x, y, z, t, a, b, c) return Float64(x / Float64(x + Float64(y * exp(Float64(2.0 * Float64(Float64(Float64(z * sqrt(Float64(t + a))) / t) - Float64(Float64(b - c) * Float64(Float64(a + Float64(5.0 / 6.0)) - Float64(2.0 / Float64(t * 3.0)))))))))) end
function tmp = code(x, y, z, t, a, b, c) tmp = x / (x + (y * exp((2.0 * (((z * sqrt((t + a))) / t) - ((b - c) * ((a + (5.0 / 6.0)) - (2.0 / (t * 3.0))))))))); end
code[x_, y_, z_, t_, a_, b_, c_] := N[(x / N[(x + N[(y * N[Exp[N[(2.0 * N[(N[(N[(z * N[Sqrt[N[(t + a), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision] - N[(N[(b - c), $MachinePrecision] * N[(N[(a + N[(5.0 / 6.0), $MachinePrecision]), $MachinePrecision] - N[(2.0 / N[(t * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x}{x + y \cdot e^{2 \cdot \left(\frac{z \cdot \sqrt{t + a}}{t} - \left(b - c\right) \cdot \left(\left(a + \frac{5}{6}\right) - \frac{2}{t \cdot 3}\right)\right)}}
\end{array}
(FPCore (x y z t a b c)
:precision binary64
(/
x
(+
(*
(exp
(*
(-
(/ (* (sqrt (+ a t)) z) t)
(* (- (/ 2.0 (* 3.0 t)) (+ (/ 5.0 6.0) a)) (- c b)))
2.0))
y)
x)))
double code(double x, double y, double z, double t, double a, double b, double c) {
return x / ((exp(((((sqrt((a + t)) * z) / t) - (((2.0 / (3.0 * t)) - ((5.0 / 6.0) + a)) * (c - b))) * 2.0)) * y) + x);
}
real(8) function code(x, y, z, t, a, b, c)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = x / ((exp(((((sqrt((a + t)) * z) / t) - (((2.0d0 / (3.0d0 * t)) - ((5.0d0 / 6.0d0) + a)) * (c - b))) * 2.0d0)) * y) + x)
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
return x / ((Math.exp(((((Math.sqrt((a + t)) * z) / t) - (((2.0 / (3.0 * t)) - ((5.0 / 6.0) + a)) * (c - b))) * 2.0)) * y) + x);
}
def code(x, y, z, t, a, b, c): return x / ((math.exp(((((math.sqrt((a + t)) * z) / t) - (((2.0 / (3.0 * t)) - ((5.0 / 6.0) + a)) * (c - b))) * 2.0)) * y) + x)
function code(x, y, z, t, a, b, c) return Float64(x / Float64(Float64(exp(Float64(Float64(Float64(Float64(sqrt(Float64(a + t)) * z) / t) - Float64(Float64(Float64(2.0 / Float64(3.0 * t)) - Float64(Float64(5.0 / 6.0) + a)) * Float64(c - b))) * 2.0)) * y) + x)) end
function tmp = code(x, y, z, t, a, b, c) tmp = x / ((exp(((((sqrt((a + t)) * z) / t) - (((2.0 / (3.0 * t)) - ((5.0 / 6.0) + a)) * (c - b))) * 2.0)) * y) + x); end
code[x_, y_, z_, t_, a_, b_, c_] := N[(x / N[(N[(N[Exp[N[(N[(N[(N[(N[Sqrt[N[(a + t), $MachinePrecision]], $MachinePrecision] * z), $MachinePrecision] / t), $MachinePrecision] - N[(N[(N[(2.0 / N[(3.0 * t), $MachinePrecision]), $MachinePrecision] - N[(N[(5.0 / 6.0), $MachinePrecision] + a), $MachinePrecision]), $MachinePrecision] * N[(c - b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * 2.0), $MachinePrecision]], $MachinePrecision] * y), $MachinePrecision] + x), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x}{e^{\left(\frac{\sqrt{a + t} \cdot z}{t} - \left(\frac{2}{3 \cdot t} - \left(\frac{5}{6} + a\right)\right) \cdot \left(c - b\right)\right) \cdot 2} \cdot y + x}
\end{array}
Initial program 94.2%
Final simplification94.2%
(FPCore (x y z t a b c)
:precision binary64
(let* ((t_1 (* z (sqrt (+ t a)))) (t_2 (- a (/ 5.0 6.0))))
(if (< t -2.118326644891581e-50)
(/
x
(+
x
(* y (exp (* 2.0 (- (+ (* a c) (* 0.8333333333333334 c)) (* a b)))))))
(if (< t 5.196588770651547e-123)
(/
x
(+
x
(*
y
(exp
(*
2.0
(/
(-
(* t_1 (* (* 3.0 t) t_2))
(*
(- (* (+ (/ 5.0 6.0) a) (* 3.0 t)) 2.0)
(* t_2 (* (- b c) t))))
(* (* (* t t) 3.0) t_2)))))))
(/
x
(+
x
(*
y
(exp
(*
2.0
(-
(/ t_1 t)
(* (- b c) (- (+ a (/ 5.0 6.0)) (/ 2.0 (* t 3.0))))))))))))))
double code(double x, double y, double z, double t, double a, double b, double c) {
double t_1 = z * sqrt((t + a));
double t_2 = a - (5.0 / 6.0);
double tmp;
if (t < -2.118326644891581e-50) {
tmp = x / (x + (y * exp((2.0 * (((a * c) + (0.8333333333333334 * c)) - (a * b))))));
} else if (t < 5.196588770651547e-123) {
tmp = x / (x + (y * exp((2.0 * (((t_1 * ((3.0 * t) * t_2)) - (((((5.0 / 6.0) + a) * (3.0 * t)) - 2.0) * (t_2 * ((b - c) * t)))) / (((t * t) * 3.0) * t_2))))));
} else {
tmp = x / (x + (y * exp((2.0 * ((t_1 / t) - ((b - c) * ((a + (5.0 / 6.0)) - (2.0 / (t * 3.0)))))))));
}
return tmp;
}
real(8) function code(x, y, z, t, a, b, c)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
real(8) :: t_1
real(8) :: t_2
real(8) :: tmp
t_1 = z * sqrt((t + a))
t_2 = a - (5.0d0 / 6.0d0)
if (t < (-2.118326644891581d-50)) then
tmp = x / (x + (y * exp((2.0d0 * (((a * c) + (0.8333333333333334d0 * c)) - (a * b))))))
else if (t < 5.196588770651547d-123) then
tmp = x / (x + (y * exp((2.0d0 * (((t_1 * ((3.0d0 * t) * t_2)) - (((((5.0d0 / 6.0d0) + a) * (3.0d0 * t)) - 2.0d0) * (t_2 * ((b - c) * t)))) / (((t * t) * 3.0d0) * t_2))))))
else
tmp = x / (x + (y * exp((2.0d0 * ((t_1 / t) - ((b - c) * ((a + (5.0d0 / 6.0d0)) - (2.0d0 / (t * 3.0d0)))))))))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b, double c) {
double t_1 = z * Math.sqrt((t + a));
double t_2 = a - (5.0 / 6.0);
double tmp;
if (t < -2.118326644891581e-50) {
tmp = x / (x + (y * Math.exp((2.0 * (((a * c) + (0.8333333333333334 * c)) - (a * b))))));
} else if (t < 5.196588770651547e-123) {
tmp = x / (x + (y * Math.exp((2.0 * (((t_1 * ((3.0 * t) * t_2)) - (((((5.0 / 6.0) + a) * (3.0 * t)) - 2.0) * (t_2 * ((b - c) * t)))) / (((t * t) * 3.0) * t_2))))));
} else {
tmp = x / (x + (y * Math.exp((2.0 * ((t_1 / t) - ((b - c) * ((a + (5.0 / 6.0)) - (2.0 / (t * 3.0)))))))));
}
return tmp;
}
def code(x, y, z, t, a, b, c): t_1 = z * math.sqrt((t + a)) t_2 = a - (5.0 / 6.0) tmp = 0 if t < -2.118326644891581e-50: tmp = x / (x + (y * math.exp((2.0 * (((a * c) + (0.8333333333333334 * c)) - (a * b)))))) elif t < 5.196588770651547e-123: tmp = x / (x + (y * math.exp((2.0 * (((t_1 * ((3.0 * t) * t_2)) - (((((5.0 / 6.0) + a) * (3.0 * t)) - 2.0) * (t_2 * ((b - c) * t)))) / (((t * t) * 3.0) * t_2)))))) else: tmp = x / (x + (y * math.exp((2.0 * ((t_1 / t) - ((b - c) * ((a + (5.0 / 6.0)) - (2.0 / (t * 3.0))))))))) return tmp
function code(x, y, z, t, a, b, c) t_1 = Float64(z * sqrt(Float64(t + a))) t_2 = Float64(a - Float64(5.0 / 6.0)) tmp = 0.0 if (t < -2.118326644891581e-50) tmp = Float64(x / Float64(x + Float64(y * exp(Float64(2.0 * Float64(Float64(Float64(a * c) + Float64(0.8333333333333334 * c)) - Float64(a * b))))))); elseif (t < 5.196588770651547e-123) tmp = Float64(x / Float64(x + Float64(y * exp(Float64(2.0 * Float64(Float64(Float64(t_1 * Float64(Float64(3.0 * t) * t_2)) - Float64(Float64(Float64(Float64(Float64(5.0 / 6.0) + a) * Float64(3.0 * t)) - 2.0) * Float64(t_2 * Float64(Float64(b - c) * t)))) / Float64(Float64(Float64(t * t) * 3.0) * t_2))))))); else tmp = Float64(x / Float64(x + Float64(y * exp(Float64(2.0 * Float64(Float64(t_1 / t) - Float64(Float64(b - c) * Float64(Float64(a + Float64(5.0 / 6.0)) - Float64(2.0 / Float64(t * 3.0)))))))))); end return tmp end
function tmp_2 = code(x, y, z, t, a, b, c) t_1 = z * sqrt((t + a)); t_2 = a - (5.0 / 6.0); tmp = 0.0; if (t < -2.118326644891581e-50) tmp = x / (x + (y * exp((2.0 * (((a * c) + (0.8333333333333334 * c)) - (a * b)))))); elseif (t < 5.196588770651547e-123) tmp = x / (x + (y * exp((2.0 * (((t_1 * ((3.0 * t) * t_2)) - (((((5.0 / 6.0) + a) * (3.0 * t)) - 2.0) * (t_2 * ((b - c) * t)))) / (((t * t) * 3.0) * t_2)))))); else tmp = x / (x + (y * exp((2.0 * ((t_1 / t) - ((b - c) * ((a + (5.0 / 6.0)) - (2.0 / (t * 3.0))))))))); end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_, b_, c_] := Block[{t$95$1 = N[(z * N[Sqrt[N[(t + a), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(a - N[(5.0 / 6.0), $MachinePrecision]), $MachinePrecision]}, If[Less[t, -2.118326644891581e-50], N[(x / N[(x + N[(y * N[Exp[N[(2.0 * N[(N[(N[(a * c), $MachinePrecision] + N[(0.8333333333333334 * c), $MachinePrecision]), $MachinePrecision] - N[(a * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[Less[t, 5.196588770651547e-123], N[(x / N[(x + N[(y * N[Exp[N[(2.0 * N[(N[(N[(t$95$1 * N[(N[(3.0 * t), $MachinePrecision] * t$95$2), $MachinePrecision]), $MachinePrecision] - N[(N[(N[(N[(N[(5.0 / 6.0), $MachinePrecision] + a), $MachinePrecision] * N[(3.0 * t), $MachinePrecision]), $MachinePrecision] - 2.0), $MachinePrecision] * N[(t$95$2 * N[(N[(b - c), $MachinePrecision] * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[(N[(t * t), $MachinePrecision] * 3.0), $MachinePrecision] * t$95$2), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x / N[(x + N[(y * N[Exp[N[(2.0 * N[(N[(t$95$1 / t), $MachinePrecision] - N[(N[(b - c), $MachinePrecision] * N[(N[(a + N[(5.0 / 6.0), $MachinePrecision]), $MachinePrecision] - N[(2.0 / N[(t * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := z \cdot \sqrt{t + a}\\
t_2 := a - \frac{5}{6}\\
\mathbf{if}\;t < -2.118326644891581 \cdot 10^{-50}:\\
\;\;\;\;\frac{x}{x + y \cdot e^{2 \cdot \left(\left(a \cdot c + 0.8333333333333334 \cdot c\right) - a \cdot b\right)}}\\
\mathbf{elif}\;t < 5.196588770651547 \cdot 10^{-123}:\\
\;\;\;\;\frac{x}{x + y \cdot e^{2 \cdot \frac{t\_1 \cdot \left(\left(3 \cdot t\right) \cdot t\_2\right) - \left(\left(\frac{5}{6} + a\right) \cdot \left(3 \cdot t\right) - 2\right) \cdot \left(t\_2 \cdot \left(\left(b - c\right) \cdot t\right)\right)}{\left(\left(t \cdot t\right) \cdot 3\right) \cdot t\_2}}}\\
\mathbf{else}:\\
\;\;\;\;\frac{x}{x + y \cdot e^{2 \cdot \left(\frac{t\_1}{t} - \left(b - c\right) \cdot \left(\left(a + \frac{5}{6}\right) - \frac{2}{t \cdot 3}\right)\right)}}\\
\end{array}
\end{array}
herbie shell --seed 2024343
(FPCore (x y z t a b c)
:name "Numeric.SpecFunctions:invIncompleteBetaWorker from math-functions-0.1.5.2, I"
:precision binary64
:alt
(! :herbie-platform default (if (< t -2118326644891581/100000000000000000000000000000000000000000000000000000000000000000) (/ x (+ x (* y (exp (* 2 (- (+ (* a c) (* 4166666666666667/5000000000000000 c)) (* a b))))))) (if (< t 5196588770651547/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (/ x (+ x (* y (exp (* 2 (/ (- (* (* z (sqrt (+ t a))) (* (* 3 t) (- a (/ 5 6)))) (* (- (* (+ (/ 5 6) a) (* 3 t)) 2) (* (- a (/ 5 6)) (* (- b c) t)))) (* (* (* t t) 3) (- a (/ 5 6))))))))) (/ x (+ x (* y (exp (* 2 (- (/ (* z (sqrt (+ t a))) t) (* (- b c) (- (+ a (/ 5 6)) (/ 2 (* t 3)))))))))))))
(/ x (+ x (* y (exp (* 2.0 (- (/ (* z (sqrt (+ t a))) t) (* (- b c) (- (+ a (/ 5.0 6.0)) (/ 2.0 (* t 3.0)))))))))))