fix TZ parsing logic for identifying POSIX-form strings

[musl.git] / src / complex / ctanf.c

#include "complex_impl.h"

float complex ctanf(float complex z)
{
        z = ctanhf(CMPLXF(-cimagf(z), crealf(z)));
        return CMPLXF(cimagf(z), -crealf(z));
}