\[\frac{\log \left(\sqrt{re \cdot re + im \cdot im}\right)}{\log 10}\]

\frac{\log \left(\sqrt{re \cdot re + im \cdot im}\right)}{\log 10}

double f(double re, double im) {
        double r43016 = re;
        double r43017 = r43016 * r43016;
        double r43018 = im;
        double r43019 = r43018 * r43018;
        double r43020 = r43017 + r43019;
        double r43021 = sqrt(r43020);
        double r43022 = log(r43021);
        double r43023 = 10.0;
        double r43024 = log(r43023);
        double r43025 = r43022 / r43024;
        return r43025;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019323 
(FPCore (re im)
  :name "math.log10 on complex, real part"
  :precision binary64
  (/ (log (sqrt (+ (* re re) (* im im)))) (log 10)))

Backtrace

get-representation: Unknown representation real		L	C
(unnamed)	/data/pavpan/nightlies/herbie/fix-interface-bugs/src/core/regimes.rkt	65	3
filter	/opt/racket-7.2/collects/racket/private/list.rkt	256	2
infer-splitpoints	/data/pavpan/nightlies/herbie/fix-interface-bugs/src/core/regimes.rkt	34	0
get-final-combination	/data/pavpan/nightlies/herbie/fix-interface-bugs/src/mainloop.rkt	369	0
(unnamed)	/opt/racket-7.2/collects/racket/private/more-scheme.rkt	261	28
run	/opt/racket-7.2/share/pkgs/profile-lib/main.rkt	39	2
profile-thunk16	/opt/racket-7.2/share/pkgs/profile-lib/main.rkt	9	0
(unnamed)	/opt/racket-7.2/collects/racket/private/more-scheme.rkt	261	28