?

\[\left(\left(cosTheta_i > 0.9999 \land cosTheta_i \leq 1\right) \land \left(2.328306437 \cdot 10^{-10} \leq u1 \land u1 \leq 1\right)\right) \land \left(2.328306437 \cdot 10^{-10} \leq u2 \land u2 \leq 1\right)\]

\[\sqrt{-\log \left(1 - u1\right)} \cdot \sin \left(\left(2 \cdot \pi\right) \cdot u2\right) \]

(FPCore (cosTheta_i u1 u2)
 :precision binary64
 (* (sqrt (- (log (- 1.0 u1)))) (sin (* (* 2.0 PI) u2))))

double code(double cosTheta_i, double u1, double u2) {
	return sqrt(-log((1.0 - u1))) * sin(((2.0 * ((double) M_PI)) * u2));
}

public static double code(double cosTheta_i, double u1, double u2) {
	return Math.sqrt(-Math.log((1.0 - u1))) * Math.sin(((2.0 * Math.PI) * u2));
}

def code(cosTheta_i, u1, u2):
	return math.sqrt(-math.log((1.0 - u1))) * math.sin(((2.0 * math.pi) * u2))

function code(cosTheta_i, u1, u2)
	return Float64(sqrt(Float64(-log(Float64(1.0 - u1)))) * sin(Float64(Float64(2.0 * pi) * u2)))
end

function tmp = code(cosTheta_i, u1, u2)
	tmp = sqrt(-log((1.0 - u1))) * sin(((2.0 * pi) * u2));
end

code[cosTheta$95$i_, u1_, u2_] := N[(N[Sqrt[(-N[Log[N[(1.0 - u1), $MachinePrecision]], $MachinePrecision])], $MachinePrecision] * N[Sin[N[(N[(2.0 * Pi), $MachinePrecision] * u2), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]

\sqrt{-\log \left(1 - u1\right)} \cdot \sin \left(\left(2 \cdot \pi\right) \cdot u2\right)

Reproduce?

Please include this information when filing a bug report:

herbie shell --seed 2023033 
(FPCore (cosTheta_i u1 u2)
  :name "Beckmann Sample, near normal, slope_y"
  :precision binary64
  :pre (and (and (and (> cosTheta_i 0.9999) (<= cosTheta_i 1.0)) (and (<= 2.328306437e-10 u1) (<= u1 1.0))) (and (<= 2.328306437e-10 u2) (<= u2 1.0)))
  (* (sqrt (- (log (- 1.0 u1)))) (sin (* (* 2.0 PI) u2))))

Backtrace

map: contract violation expected: list? given: #<eof>		L	C
gen-map	/usr/share/racket/collects/racket/private/map.rkt	257	2
run-egglog	/home/nightlies/herbie/oflatt-egglog-ctx/src/egglog/run-egglog.rkt	1456	0
run-simplify-input	/home/nightlies/herbie/oflatt-egglog-ctx/src/core/simplify.rkt	73	0
simplify-batch	/home/nightlies/herbie/oflatt-egglog-ctx/src/core/simplify.rkt	48	0
(unnamed)	/usr/share/racket/collects/racket/contract/private/arrow-higher-order.rkt	379	33
simplify!	/home/nightlies/herbie/oflatt-egglog-ctx/src/patch.rkt	246	0
patch-table-run	/home/nightlies/herbie/oflatt-egglog-ctx/src/patch.rkt	318	0
(unnamed)	/usr/share/racket/collects/racket/contract/private/arrow-val-first.rkt	486	18
run-iter!	/home/nightlies/herbie/oflatt-egglog-ctx/src/mainloop.rkt	262	0
mutate!	/home/nightlies/herbie/oflatt-egglog-ctx/src/mainloop.rkt	372	0
run-improve!	/home/nightlies/herbie/oflatt-egglog-ctx/src/mainloop.rkt	320	0
run-herbie	/home/nightlies/herbie/oflatt-egglog-ctx/src/sandbox.rkt	57	0
(unnamed)	/home/nightlies/herbie/oflatt-egglog-ctx/src/sandbox.rkt	133	6
(unnamed)	/usr/share/racket/pkgs/profile-lib/main.rkt	40	10
profile-thunk	/usr/share/racket/pkgs/profile-lib/main.rkt	9	0
(unnamed)	/usr/share/racket/collects/racket/engine.rkt	42	24