Data.Colour.CIE:cieLAB from colour-2.3.3, B

Specification

?
\[\begin{array}{l} \\ \frac{x + 16}{116} \end{array} \]
(FPCore (x) :precision binary64 (/ (+ x 16.0) 116.0))
double code(double x) {
	return (x + 16.0) / 116.0;
}
real(8) function code(x)
    real(8), intent (in) :: x
    code = (x + 16.0d0) / 116.0d0
end function
public static double code(double x) {
	return (x + 16.0) / 116.0;
}
def code(x):
	return (x + 16.0) / 116.0
function code(x)
	return Float64(Float64(x + 16.0) / 116.0)
end
function tmp = code(x)
	tmp = (x + 16.0) / 116.0;
end
code[x_] := N[(N[(x + 16.0), $MachinePrecision] / 116.0), $MachinePrecision]
\begin{array}{l}

\\
\frac{x + 16}{116}
\end{array}

Reproduce

?
herbie shell --seed 2024277 
(FPCore (x)
  :name "Data.Colour.CIE:cieLAB from colour-2.3.3, B"
  :precision binary64
  (/ (+ x 16.0) 116.0))

Please file a bug report with this information.

Backtrace

match: no matching clause for 'xLC
fn->ival-fn/home/nightlies/.local/share/racket/8.10/pkgs/rival/eval/compile.rkt170
rival-compile/home/nightlies/.local/share/racket/8.10/pkgs/rival/eval/compile.rkt2530
(unnamed)/usr/share/racket/collects/racket/contract/private/arrow-val-first.rkt48618
f115.../match/compiler.rkt55940
compute-true-error/home/nightlies/herbie/zane-concrete-values/src/core/localize.rkt1310
compute-local-errors/home/nightlies/herbie/zane-concrete-values/src/core/localize.rkt2160
actual-errors/home/nightlies/herbie/zane-concrete-values/src/core/explain.rkt350
generate-timelines/home/nightlies/herbie/zane-concrete-values/src/core/explain.rkt4980
explain!/home/nightlies/herbie/zane-concrete-values/src/core/mainloop.rkt3230
run-improve!/home/nightlies/herbie/zane-concrete-values/src/core/mainloop.rkt450
get-alternatives/report/home/nightlies/herbie/zane-concrete-values/src/api/sandbox.rkt1860
(unnamed)/home/nightlies/herbie/zane-concrete-values/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