?

Average Error: 0.0 → 0.0
Time: 43.3s
Precision: binary64
Cost: 13120

?

\[x \cdot e^{y \cdot y} \]
\[\frac{x}{e^{-{y}^{2}}} \]
(FPCore (x y) :precision binary64 (* x (exp (* y y))))
(FPCore (x y) :precision binary64 (/ x (exp (- (pow y 2.0)))))
double code(double x, double y) {
	return x * exp((y * y));
}
double code(double x, double y) {
	return x / exp(-pow(y, 2.0));
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = x * exp((y * y))
end function
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = x / exp(-(y ** 2.0d0))
end function
public static double code(double x, double y) {
	return x * Math.exp((y * y));
}
public static double code(double x, double y) {
	return x / Math.exp(-Math.pow(y, 2.0));
}
def code(x, y):
	return x * math.exp((y * y))
def code(x, y):
	return x / math.exp(-math.pow(y, 2.0))
function code(x, y)
	return Float64(x * exp(Float64(y * y)))
end
function code(x, y)
	return Float64(x / exp(Float64(-(y ^ 2.0))))
end
function tmp = code(x, y)
	tmp = x * exp((y * y));
end
function tmp = code(x, y)
	tmp = x / exp(-(y ^ 2.0));
end
code[x_, y_] := N[(x * N[Exp[N[(y * y), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
code[x_, y_] := N[(x / N[Exp[(-N[Power[y, 2.0], $MachinePrecision])], $MachinePrecision]), $MachinePrecision]
x \cdot e^{y \cdot y}
\frac{x}{e^{-{y}^{2}}}

Error?

Try it out?

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original0.0
Target0.0
Herbie0.0
\[x \cdot {\left(e^{y}\right)}^{y} \]

Derivation?

  1. Initial program 0.0

    \[x \cdot e^{y \cdot y} \]
  2. Applied egg-rr1.4

    \[\leadsto \color{blue}{{\left(\sqrt[3]{x \cdot e^{{y}^{2}}}\right)}^{3}} \]
  3. Applied egg-rr0.0

    \[\leadsto \color{blue}{\frac{x}{e^{-{y}^{2}}}} \]

Alternatives

Alternative 1
Error0.0
Cost6720
\[x \cdot e^{y \cdot y} \]
Alternative 2
Error0.9
Cost64
\[x \]

Error

Reproduce?

herbie shell --seed 2023033 
(FPCore (x y)
  :name "Data.Number.Erf:$dmerfcx from erf-2.0.0.0"
  :precision binary64

  :herbie-target
  (* x (pow (exp y) y))

  (* x (exp (* y y))))