math.log10 on complex, imaginary part

Specification

?
\[\begin{array}{l} \\ \frac{\tan^{-1}_* \frac{im}{re}}{\log 10} \end{array} \]
(FPCore (re im) :precision binary64 (/ (atan2 im re) (log 10.0)))
double code(double re, double im) {
	return atan2(im, re) / log(10.0);
}
real(8) function code(re, im)
    real(8), intent (in) :: re
    real(8), intent (in) :: im
    code = atan2(im, re) / log(10.0d0)
end function
public static double code(double re, double im) {
	return Math.atan2(im, re) / Math.log(10.0);
}
def code(re, im):
	return math.atan2(im, re) / math.log(10.0)
function code(re, im)
	return Float64(atan(im, re) / log(10.0))
end
function tmp = code(re, im)
	tmp = atan2(im, re) / log(10.0);
end
code[re_, im_] := N[(N[ArcTan[im / re], $MachinePrecision] / N[Log[10.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}
\end{array}

Reproduce

?
herbie shell --seed 2024263 
(FPCore (re im)
  :name "math.log10 on complex, imaginary part"
  :precision binary64
  (/ (atan2 im re) (log 10.0)))

Please file a bug report with this information.

Backtrace

error: contract violation expected: string? given: 'atan2.f64LC
f406.../match/compiler.rkt55940
loop.../private/map.rkt4019
loop.../private/map.rkt4019
loop.../private/map.rkt4019
loop.../private/map.rkt4019
loop.../private/map.rkt4019
compile-expr/home/nightlies/herbie/bhargav-log-space/src/core/explain.rkt700
explain/home/nightlies/herbie/bhargav-log-space/src/core/explain.rkt6150
explain!/home/nightlies/herbie/bhargav-log-space/src/core/mainloop.rkt3220
run-improve!/home/nightlies/herbie/bhargav-log-space/src/core/mainloop.rkt440
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