cproj.c\complex\src - musl - musl - an implementation of the standard library for Linux-based systems

#include "complex_impl.h"
double complex cproj(double complex z)
{
	if (isinf(creal(z)) || isinf(cimag(z)))
		return CMPLX(INFINITY, copysign(0.0, cimag(z)));
	return z;
}