lib/builtins/divsc3.c

20 COMPILER_RT_ABI Fcomplex __divsc3(float __a, float __b, float __c, float __d) {
32       __compiler_rt_scalbnf((__a * __c + __b * __d) / __denom, -__ilogbw);
34       __compiler_rt_scalbnf((__b * __c - __a * __d) / __denom, -__ilogbw);
36     if ((__denom == 0) && (!crt_isnan(__a) || !crt_isnan(__b))) {
38       COMPLEX_IMAGINARY(z) = crt_copysignf(CRT_INFINITY, __c) * __b;
39     } else if ((crt_isinf(__a) || crt_isinf(__b)) && crt_isfinite(__c) &&
42       __b = crt_copysignf(crt_isinf(__b) ? 1 : 0, __b);
43       COMPLEX_REAL(z) = CRT_INFINITY * (__a * __c + __b * __d);
44       COMPLEX_IMAGINARY(z) = CRT_INFINITY * (__b * __c - __a * __d);
46                crt_isfinite(__b)) {
49       COMPLEX_REAL(z) = 0 * (__a * __c + __b * __d);
50       COMPLEX_IMAGINARY(z) = 0 * (__b * __c - __a * __d);