C99：用（+0 -0.0i）初始化_complex变量的正确方法

(+0 -0.0i)

float _complex

float _Complex a = _Complex_I * (-0.0); // this seems doesn\'t work
int main()
{
    printf(\"a = (%f %f) \\t(0x%016llx)\\n\",crealf(a),cimagf(a), *((long long*)&a));
}

  __real__ a = 0.0; __imag__ a = 0.0;

CMPLX

float _Complex a = { 0.0f, -0.0f };