1 2 #include <complex> 3 4 #pragma GCC system_header 5 6 std::complex<float> 7 operator""if(long double ximag) 8 { return std::complex<float>(0.0F, static_cast<float>(ximag)); } 9 10 std::complex<float> 11 operator""if(unsigned long long nimag) 12 { return std::complex<float>(0.0F, static_cast<float>(nimag)); } 13