third_party/ulib/musl/src/complex/casinf.c

#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));
}