Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, K

Specification

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\[\begin{array}{l} \\ \left(2 \cdot \sqrt{x}\right) \cdot \cos \left(y - \frac{z \cdot t}{3}\right) - \frac{a}{b \cdot 3} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (- (* (* 2.0 (sqrt x)) (cos (- y (/ (* z t) 3.0)))) (/ a (* b 3.0))))
double code(double x, double y, double z, double t, double a, double b) {
	return ((2.0 * sqrt(x)) * cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0));
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = ((2.0d0 * sqrt(x)) * cos((y - ((z * t) / 3.0d0)))) - (a / (b * 3.0d0))
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	return ((2.0 * Math.sqrt(x)) * Math.cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0));
}
def code(x, y, z, t, a, b):
	return ((2.0 * math.sqrt(x)) * math.cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0))
function code(x, y, z, t, a, b)
	return Float64(Float64(Float64(2.0 * sqrt(x)) * cos(Float64(y - Float64(Float64(z * t) / 3.0)))) - Float64(a / Float64(b * 3.0)))
end
function tmp = code(x, y, z, t, a, b)
	tmp = ((2.0 * sqrt(x)) * cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0));
end
code[x_, y_, z_, t_, a_, b_] := N[(N[(N[(2.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * N[Cos[N[(y - N[(N[(z * t), $MachinePrecision] / 3.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] - N[(a / N[(b * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\left(2 \cdot \sqrt{x}\right) \cdot \cos \left(y - \frac{z \cdot t}{3}\right) - \frac{a}{b \cdot 3}
\end{array}

Reproduce

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herbie shell --seed 2024039 
(FPCore (x y z t a b)
  :name "Diagrams.Solve.Polynomial:cubForm  from diagrams-solve-0.1, K"
  :precision binary64

  :herbie-target
  (if (< z -1.3793337487235141e+129) (- (* (* 2.0 (sqrt x)) (cos (- (/ 1.0 y) (/ (/ 0.3333333333333333 z) t)))) (/ (/ a 3.0) b)) (if (< z 3.516290613555987e+106) (- (* (* (sqrt x) 2.0) (cos (- y (* (/ t 3.0) z)))) (/ (/ a 3.0) b)) (- (* (cos (- y (/ (/ 0.3333333333333333 z) t))) (* 2.0 (sqrt x))) (/ (/ a b) 3.0))))

  (- (* (* 2.0 (sqrt x)) (cos (- y (/ (* z t) 3.0)))) (/ a (* b 3.0))))

Please file a bug report with this information.

Backtrace

member: not a proper list in: 3LC
gather-multiplicative-terms/home/nightlies/herbie/sound-rules/src/core/reduce.rkt1250
simplify-node*/home/nightlies/herbie/sound-rules/src/core/reduce.rkt840
hash-ref!/usr/local/racket/collects/racket/private/more-scheme.rkt3772
hash-ref!/usr/local/racket/collects/racket/private/more-scheme.rkt3772
loop.../private/map.rkt4019
loop.../private/map.rkt4019
f19.../match/compiler.rkt55940
hash-ref!/usr/local/racket/collects/racket/private/more-scheme.rkt3772
loop.../private/map.rkt4019
loop.../private/map.rkt4019
f19.../match/compiler.rkt55940
hash-ref!/usr/local/racket/collects/racket/private/more-scheme.rkt3772
loop.../private/map.rkt4019
f13.../match/compiler.rkt55940
hash-ref!/usr/local/racket/collects/racket/private/more-scheme.rkt3772
approximate/home/nightlies/herbie/sound-rules/src/core/taylor.rkt70
taylor-expr/home/nightlies/herbie/sound-rules/src/patch.rkt890
taylor-alt/home/nightlies/herbie/sound-rules/src/patch.rkt960
gen-series!/home/nightlies/herbie/sound-rules/src/patch.rkt1090
patch-table-run/home/nightlies/herbie/sound-rules/src/patch.rkt2570
(unnamed)/usr/local/racket/collects/racket/contract/private/arrow-val-first.rkt48618
run-iter!/home/nightlies/herbie/sound-rules/src/mainloop.rkt2880
mutate!/home/nightlies/herbie/sound-rules/src/mainloop.rkt3400
run-improve!/home/nightlies/herbie/sound-rules/src/mainloop.rkt3260
get-alternatives/report/home/nightlies/herbie/sound-rules/src/sandbox.rkt1690
(unnamed)/home/nightlies/herbie/sound-rules/src/sandbox.rkt2626
(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