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 // template<class T> 13 // complex<T> 14 // cosh(const complex<T>& x); 15 16 #include <complex> 17 #include <cassert> 18 19 #include "../cases.h" 20 21 template <class T> 22 void test(const std::complex<T> & c,std::complex<T> x)23test(const std::complex<T>& c, std::complex<T> x) 24 { 25 assert(cosh(c) == x); 26 } 27 28 template <class T> 29 void test()30test() 31 { 32 test(std::complex<T>(0, 0), std::complex<T>(1, 0)); 33 } 34 test_edges()35void test_edges() 36 { 37 const unsigned N = sizeof(testcases) / sizeof(testcases[0]); 38 for (unsigned i = 0; i < N; ++i) 39 { 40 std::complex<double> r = cosh(testcases[i]); 41 if (testcases[i].real() == 0 && testcases[i].imag() == 0) 42 { 43 assert(r.real() == 1); 44 assert(r.imag() == 0); 45 assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag())); 46 } 47 else if (testcases[i].real() == 0 && std::isinf(testcases[i].imag())) 48 { 49 assert(std::isnan(r.real())); 50 assert(r.imag() == 0); 51 } 52 else if (testcases[i].real() == 0 && std::isnan(testcases[i].imag())) 53 { 54 assert(std::isnan(r.real())); 55 assert(r.imag() == 0); 56 } 57 else if (std::isfinite(testcases[i].real()) && std::isinf(testcases[i].imag())) 58 { 59 assert(std::isnan(r.real())); 60 assert(std::isnan(r.imag())); 61 } 62 else if (std::isfinite(testcases[i].real()) && std::isnan(testcases[i].imag())) 63 { 64 assert(std::isnan(r.real())); 65 assert(std::isnan(r.imag())); 66 } 67 else if (std::isinf(testcases[i].real()) && testcases[i].imag() == 0) 68 { 69 assert(std::isinf(r.real())); 70 assert(!std::signbit(r.real())); 71 assert(r.imag() == 0); 72 assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag())); 73 } 74 else if (std::isinf(testcases[i].real()) && std::isfinite(testcases[i].imag())) 75 { 76 assert(std::isinf(r.real())); 77 assert(std::signbit(r.real()) == std::signbit(cos(testcases[i].imag()))); 78 assert(std::isinf(r.imag())); 79 assert(std::signbit(r.imag()) == std::signbit(testcases[i].real() * sin(testcases[i].imag()))); 80 } 81 else if (std::isinf(testcases[i].real()) && std::isinf(testcases[i].imag())) 82 { 83 assert(std::isinf(r.real())); 84 assert(std::isnan(r.imag())); 85 } 86 else if (std::isinf(testcases[i].real()) && std::isnan(testcases[i].imag())) 87 { 88 assert(std::isinf(r.real())); 89 assert(r.real() > 0); 90 assert(std::isnan(r.imag())); 91 } 92 else if (std::isnan(testcases[i].real()) && testcases[i].imag() == 0) 93 { 94 assert(std::isnan(r.real())); 95 assert(r.imag() == 0); 96 } 97 else if (std::isnan(testcases[i].real()) && std::isfinite(testcases[i].imag())) 98 { 99 assert(std::isnan(r.real())); 100 assert(std::isnan(r.imag())); 101 } 102 else if (std::isnan(testcases[i].real()) && std::isnan(testcases[i].imag())) 103 { 104 assert(std::isnan(r.real())); 105 assert(std::isnan(r.imag())); 106 } 107 } 108 } 109 main()110int main() 111 { 112 test<float>(); 113 test<double>(); 114 test<long double>(); 115 test_edges(); 116 } 117