Data.Colour.CIE:cieLABView from colour-2.3.3, A

Specification

?
\[\begin{array}{l} \\ \frac{841}{108} \cdot x + \frac{4}{29} \end{array} \]
(FPCore (x) :precision binary64 (+ (* (/ 841.0 108.0) x) (/ 4.0 29.0)))
double code(double x) {
	return ((841.0 / 108.0) * x) + (4.0 / 29.0);
}
real(8) function code(x)
    real(8), intent (in) :: x
    code = ((841.0d0 / 108.0d0) * x) + (4.0d0 / 29.0d0)
end function
public static double code(double x) {
	return ((841.0 / 108.0) * x) + (4.0 / 29.0);
}
def code(x):
	return ((841.0 / 108.0) * x) + (4.0 / 29.0)
function code(x)
	return Float64(Float64(Float64(841.0 / 108.0) * x) + Float64(4.0 / 29.0))
end
function tmp = code(x)
	tmp = ((841.0 / 108.0) * x) + (4.0 / 29.0);
end
code[x_] := N[(N[(N[(841.0 / 108.0), $MachinePrecision] * x), $MachinePrecision] + N[(4.0 / 29.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{841}{108} \cdot x + \frac{4}{29}
\end{array}

Reproduce

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herbie shell --seed 2024196 
(FPCore (x)
  :name "Data.Colour.CIE:cieLABView from colour-2.3.3, A"
  :precision binary64
  (+ (* (/ 841.0 108.0) x) (/ 4.0 29.0)))

Please file a bug report with this information.

Backtrace

vector-set!: contract violation expected: exact-nonnegative-integer? given: -1 argument position: 2nd first argument...: '#(#f #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f)LC
backward-pass/home/nightlies/rival/main/eval/adjust.rkt80
rival-machine-adjust/home/nightlies/rival/main/eval/run.rkt980
rival-machine-full/home/nightlies/rival/main/eval/main.rkt160
rival-apply/home/nightlies/rival/main/eval/main.rkt560
(unnamed)/usr/local/racket/collects/racket/contract/private/arrow-val-first.rkt48618
(unnamed)/home/nightlies/herbie/zane-odyssey-timeline/src/sampling.rkt1594
ival-eval/home/nightlies/herbie/zane-odyssey-timeline/src/sampling.rkt1530
<eval-prog-real>/home/nightlies/herbie/zane-odyssey-timeline/src/sampling.rkt1882
compute-local-errors/home/nightlies/herbie/zane-odyssey-timeline/src/core/localize.rkt1050
batch-localize-errors/home/nightlies/herbie/zane-odyssey-timeline/src/core/localize.rkt910
localize!/home/nightlies/herbie/zane-odyssey-timeline/src/mainloop.rkt1870
run-iter!/home/nightlies/herbie/zane-odyssey-timeline/src/mainloop.rkt700
mutate!/home/nightlies/herbie/zane-odyssey-timeline/src/mainloop.rkt620
run-improve!/home/nightlies/herbie/zane-odyssey-timeline/src/mainloop.rkt480
get-alternatives/report/home/nightlies/herbie/zane-odyssey-timeline/src/sandbox.rkt1670
(unnamed)/home/nightlies/herbie/zane-odyssey-timeline/src/sandbox.rkt2616
(unnamed)/usr/local/racket/share/pkgs/profile-lib/main.rkt4010
profile-thunk/usr/local/racket/share/pkgs/profile-lib/main.rkt90
(unnamed)/usr/local/racket/collects/racket/engine.rkt4224