fminimum_mag_num
double fminimum_mag_num(double, double);
__weak_reference(fminimum_mag_num, fminimum_mag_numl);
TEST(fminimum_mag_num, double, big, small, expected_min_mag_num, rmode);
TEST(fminimum_mag_num, double, small, big, expected_min_mag_num, rmode);