1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <complex> 11 12 // void real(T val); 13 // void imag(T val); 14 15 #include <complex> 16 #include <cassert> 17 18 #include "test_macros.h" 19 20 template <class T> 21 void 22 test_constexpr() 23 { 24 #if TEST_STD_VER > 11 25 constexpr std::complex<T> c1; 26 static_assert(c1.real() == 0, ""); 27 static_assert(c1.imag() == 0, ""); 28 constexpr std::complex<T> c2(3); 29 static_assert(c2.real() == 3, ""); 30 static_assert(c2.imag() == 0, ""); 31 constexpr std::complex<T> c3(3, 4); 32 static_assert(c3.real() == 3, ""); 33 static_assert(c3.imag() == 4, ""); 34 #endif 35 } 36 37 template <class T> 38 void 39 test() 40 { 41 std::complex<T> c; 42 assert(c.real() == 0); 43 assert(c.imag() == 0); 44 c.real(3.5); 45 assert(c.real() == 3.5); 46 assert(c.imag() == 0); 47 c.imag(4.5); 48 assert(c.real() == 3.5); 49 assert(c.imag() == 4.5); 50 c.real(-4.5); 51 assert(c.real() == -4.5); 52 assert(c.imag() == 4.5); 53 c.imag(-5.5); 54 assert(c.real() == -4.5); 55 assert(c.imag() == -5.5); 56 57 test_constexpr<T> (); 58 } 59 60 int main() 61 { 62 test<float>(); 63 test<double>(); 64 test<long double>(); 65 test_constexpr<int> (); 66 } 67
