Exception for Numeric.SpecFunctions:invIncompleteBetaWorker from math-functions-0.1.5.2, F

Specification

\[\begin{array}{l} \\ \frac{e^{x \cdot \log \left(\frac{x}{x + y}\right)}}{x} \end{array} \]

(FPCore (x y) :precision binary64 (/ (exp (* x (log (/ x (+ x y))))) x))

double code(double x, double y) {
	return exp((x * log((x / (x + y))))) / x;
}

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = exp((x * log((x / (x + y))))) / x
end function

public static double code(double x, double y) {
	return Math.exp((x * Math.log((x / (x + y))))) / x;
}

def code(x, y):
	return math.exp((x * math.log((x / (x + y))))) / x

function code(x, y)
	return Float64(exp(Float64(x * log(Float64(x / Float64(x + y))))) / x)
end

function tmp = code(x, y)
	tmp = exp((x * log((x / (x + y))))) / x;
end

code[x_, y_] := N[(N[Exp[N[(x * N[Log[N[(x / N[(x + y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]], $MachinePrecision] / x), $MachinePrecision]

\begin{array}{l}

\\
\frac{e^{x \cdot \log \left(\frac{x}{x + y}\right)}}{x}
\end{array}

Reproduce

herbie shell --seed 2024243 
(FPCore (x y)
  :name "Numeric.SpecFunctions:invIncompleteBetaWorker from math-functions-0.1.5.2, F"
  :precision binary64

  :alt
  (! :herbie-platform default (if (< y -37311844206647956000000000000000000000000000000000000000000000000000000000000000000000000000000) (/ (exp (/ -1 y)) x) (if (< y 28179592427282880000000000000000000000) (/ (pow (/ x (+ y x)) x) x) (if (< y 23473874151669980000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (log (exp (/ (pow (/ x (+ y x)) x) x))) (/ (exp (/ -1 y)) x)))))

  (/ (exp (* x (log (/ x (+ x y))))) x))

Please file a bug report with this information.

Backtrace

abs: contract violation expected: real? given: 4.957544888064218+3.141592653589793i		L	C
overflow?	/home/nightlies/herbie/bhargav-log-space/src/core/logspace.rkt	39	0
f133	.../match/compiler.rkt	559	40
predict-errors	/home/nightlies/herbie/bhargav-log-space/src/core/explain.rkt	87	0
explain	/home/nightlies/herbie/bhargav-log-space/src/core/explain.rkt	613	0
explain!	/home/nightlies/herbie/bhargav-log-space/src/core/mainloop.rkt	322	0
run-improve!	/home/nightlies/herbie/bhargav-log-space/src/core/mainloop.rkt	44	0
get-alternatives/report	/home/nightlies/herbie/bhargav-log-space/src/api/sandbox.rkt	186	0
(unnamed)	/home/nightlies/herbie/bhargav-log-space/src/api/sandbox.rkt	282	6
(unnamed)	/usr/local/racket/share/pkgs/profile-lib/main.rkt	40	10
profile-thunk	/usr/local/racket/share/pkgs/profile-lib/main.rkt	9	0
(unnamed)	/usr/local/racket/collects/racket/engine.rkt	42	24