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 // constexpr complex(const T& re = T(), const T& im = T()); 13 14 #include <complex> 15 #include <cassert> 16 17 #include "test_macros.h" 18 19 template <class T> 20 void 21 test() 22 { 23 { 24 const std::complex<T> c; 25 assert(c.real() == 0); 26 assert(c.imag() == 0); 27 } 28 { 29 const std::complex<T> c = 7.5; 30 assert(c.real() == 7.5); 31 assert(c.imag() == 0); 32 } 33 { 34 const std::complex<T> c(8.5); 35 assert(c.real() == 8.5); 36 assert(c.imag() == 0); 37 } 38 { 39 const std::complex<T> c(10.5, -9.5); 40 assert(c.real() == 10.5); 41 assert(c.imag() == -9.5); 42 } 43 #if TEST_STD_VER >= 11 44 { 45 constexpr std::complex<T> c; 46 static_assert(c.real() == 0, ""); 47 static_assert(c.imag() == 0, ""); 48 } 49 { 50 constexpr std::complex<T> c = 7.5; 51 static_assert(c.real() == 7.5, ""); 52 static_assert(c.imag() == 0, ""); 53 } 54 { 55 constexpr std::complex<T> c(8.5); 56 static_assert(c.real() == 8.5, ""); 57 static_assert(c.imag() == 0, ""); 58 } 59 { 60 constexpr std::complex<T> c(10.5, -9.5); 61 static_assert(c.real() == 10.5, ""); 62 static_assert(c.imag() == -9.5, ""); 63 } 64 #endif 65 } 66 67 int main() 68 { 69 test<float>(); 70 test<double>(); 71 test<long double>(); 72 } 73
