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

#include "libm.h"
// FIXME
float complex casinf(float complex z)
{
	float complex w;
	float x, y;
	x = crealf(z);
	y = cimagf(z);
	w = CMPLXF(1.0 - (x - y)*(x + y), -2.0*x*y);
	return clogf(CMPLXF(-y, x) + csqrtf(w));
}