Diagrams.Trail:splitAtParam from diagrams-lib-1.3.0.3, D

Specification

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

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

Reproduce

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herbie shell --seed 2024196 
(FPCore (x y)
  :name "Diagrams.Trail:splitAtParam  from diagrams-lib-1.3.0.3, D"
  :precision binary64

  :alt
  (! :herbie-platform default (if (< y -36938482788297247/10000000000000) (- (/ 1 y) (- (/ x y) x)) (if (< y 679931050341891/100000) (- 1 (/ (* (- 1 x) y) (+ y 1))) (- (/ 1 y) (- (/ x y) x)))))

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

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 #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
predict-errors/home/nightlies/herbie/zane-odyssey-timeline/src/explain.rkt860
explain/home/nightlies/herbie/zane-odyssey-timeline/src/explain.rkt7360
explain!/home/nightlies/herbie/zane-odyssey-timeline/src/mainloop.rkt3390
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