Statistics.Distribution.Beta:$cvariance from math-functions-0.1.5.2

Specification

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\[\begin{array}{l} \\ \frac{x \cdot y}{\left(z \cdot z\right) \cdot \left(z + 1\right)} \end{array} \]
(FPCore (x y z) :precision binary64 (/ (* x y) (* (* z z) (+ z 1.0))))
double code(double x, double y, double z) {
	return (x * y) / ((z * z) * (z + 1.0));
}
real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    code = (x * y) / ((z * z) * (z + 1.0d0))
end function
public static double code(double x, double y, double z) {
	return (x * y) / ((z * z) * (z + 1.0));
}
def code(x, y, z):
	return (x * y) / ((z * z) * (z + 1.0))
function code(x, y, z)
	return Float64(Float64(x * y) / Float64(Float64(z * z) * Float64(z + 1.0)))
end
function tmp = code(x, y, z)
	tmp = (x * y) / ((z * z) * (z + 1.0));
end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] / N[(N[(z * z), $MachinePrecision] * N[(z + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{x \cdot y}{\left(z \cdot z\right) \cdot \left(z + 1\right)}
\end{array}

Reproduce

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herbie shell --seed 2024298 
(FPCore (x y z)
  :name "Statistics.Distribution.Beta:$cvariance from math-functions-0.1.5.2"
  :precision binary64

  :alt
  (! :herbie-platform default (if (< z 2496182814532307/10000000000000) (/ (* y (/ x z)) (+ z (* z z))) (/ (* (/ (/ y z) (+ 1 z)) x) z)))

  (/ (* x y) (* (* z z) (+ z 1.0))))

Please file a bug report with this information.

Backtrace

hash-set!: contract violation expected: (and/c hash? (not/c immutable?)) given: #<procedure:id->egglog> argument position: 1st other arguments...: '!= 'NeqLC
platform-spec-nodes/home/nightlies/herbie/varun10p-egglog/src/core/egglog-herbie.rkt1110
prelude/home/nightlies/herbie/varun10p-egglog/src/core/egglog-herbie.rkt750
run-improve!/home/nightlies/herbie/varun10p-egglog/src/core/mainloop.rkt460
get-alternatives/report/home/nightlies/herbie/varun10p-egglog/src/api/sandbox.rkt1860
(unnamed)/home/nightlies/herbie/varun10p-egglog/src/api/sandbox.rkt2826
(unnamed)/usr/share/racket/pkgs/profile-lib/main.rkt4010
profile-thunk/usr/share/racket/pkgs/profile-lib/main.rkt90
(unnamed)/usr/share/racket/collects/racket/engine.rkt4224