ab-angle->ABCF B

Specification

?
\[\begin{array}{l} \\ \begin{array}{l} t_0 := \mathsf{PI}\left(\right) \cdot \frac{angle}{180}\\ \left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin t\_0\right) \cdot \cos t\_0 \end{array} \end{array} \]
(FPCore (a b angle)
 :precision binary64
 (let* ((t_0 (* (PI) (/ angle 180.0))))
   (* (* (* 2.0 (- (pow b 2.0) (pow a 2.0))) (sin t_0)) (cos t_0))))
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \mathsf{PI}\left(\right) \cdot \frac{angle}{180}\\
\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin t\_0\right) \cdot \cos t\_0
\end{array}
\end{array}

Reproduce

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herbie shell --seed 2024288 
(FPCore (a b angle)
  :name "ab-angle->ABCF B"
  :precision binary64
  (* (* (* 2.0 (- (pow b 2.0) (pow a 2.0))) (sin (* (PI) (/ angle 180.0)))) (cos (* (PI) (/ angle 180.0)))))

Please file a bug report with this information.

Backtrace

expt: arity mismatch; the expected number of arguments does not match the given number expected: 2 given: 1LC
logexpt/home/nightlies/herbie/bhargav-log-space/src/core/logspace.rkt1450
compiled-prog/home/nightlies/herbie/bhargav-log-space/src/core/compiler.rkt272
predict-errors/home/nightlies/herbie/bhargav-log-space/src/core/explain.rkt1030
explain/home/nightlies/herbie/bhargav-log-space/src/core/explain.rkt7130
explain!/home/nightlies/herbie/bhargav-log-space/src/core/mainloop.rkt3230
run-improve!/home/nightlies/herbie/bhargav-log-space/src/core/mainloop.rkt450
get-alternatives/report/home/nightlies/herbie/bhargav-log-space/src/api/sandbox.rkt1860
(unnamed)/home/nightlies/herbie/bhargav-log-space/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