only use memcpy realloc to shrink if an exact-sized free chunk exists

[oweals/musl.git] / src / complex / csinf.c

#include "complex_impl.h"

float complex csinf(float complex z)
{
        z = csinhf(CMPLXF(-cimagf(z), crealf(z)));
        return CMPLXF(cimagf(z), -crealf(z));
}