1 #define _STLP_DO_IMPORT_CSTD_FUNCTIONS 2 3 #include <limits> 4 #include <cmath> 5 //We also test math functions imported from stdlib.h or 6 //defined in cstdlib 7 #include <cstdlib> 8 9 #include "math_aux.h" 10 #include "cppunit/cppunit_proxy.h" 11 12 //This test purpose is to check the right import of math.h C symbols 13 //into the std namespace so we do not use the using namespace std 14 //specification 15 16 // 17 // TestCase class 18 // 19 class CMathTest : public CPPUNIT_NS::TestCase 20 { 21 CPPUNIT_TEST_SUITE(CMathTest); 22 #if defined (STLPORT) && !defined (_STLP_USE_NAMESPACES) 23 CPPUNIT_IGNORE; 24 #endif 25 CPPUNIT_TEST(import_checks); 26 CPPUNIT_TEST_SUITE_END(); 27 28 protected: 29 void import_checks(); 30 }; 31 32 CPPUNIT_TEST_SUITE_REGISTRATION(CMathTest); 33 34 // 35 // tests implementation 36 // 37 void CMathTest::import_checks() 38 { 39 #if !defined (STLPORT) || defined (_STLP_USE_NAMESPACES) 40 int int_val = -1; 41 long long_val = -1l; 42 float float_val = -1.0f; 43 double double_val = -1.0; 44 # if !defined (_STLP_NO_LONG_DOUBLE) 45 long double long_double_val = -1.0l; 46 # endif 47 48 CPPUNIT_CHECK( are_equals(std::abs(int_val), -int_val) ); 49 CPPUNIT_CHECK( are_equals(std::abs(long_val), -long_val) ); 50 CPPUNIT_CHECK( are_equals(std::labs(long_val), -long_val) ); 51 CPPUNIT_CHECK( are_equals(std::abs(float_val), -float_val) ); 52 CPPUNIT_CHECK( are_equals(std::abs(double_val), -double_val) ); 53 # if !defined (_STLP_NO_LONG_DOUBLE) 54 CPPUNIT_CHECK( are_equals(std::abs(long_double_val), -long_double_val) ); 55 # endif 56 57 CPPUNIT_CHECK( are_equals(std::fabs(float_val), -float_val) ); 58 CPPUNIT_CHECK( are_equals(std::fabs(double_val), -double_val) ); 59 # if !defined (_STLP_NO_LONG_DOUBLE) 60 CPPUNIT_CHECK( are_equals(std::fabs(long_double_val), -long_double_val) ); 61 # endif 62 63 std::div_t div_res = std::div(3, 2); 64 CPPUNIT_CHECK( div_res.quot == 1 ); 65 CPPUNIT_CHECK( div_res.rem == 1 ); 66 std::ldiv_t ldiv_res = std::ldiv(3l, 2l); 67 CPPUNIT_CHECK( ldiv_res.quot == 1l ); 68 CPPUNIT_CHECK( ldiv_res.rem == 1l ); 69 ldiv_res = std::div(3l, 2l); 70 CPPUNIT_CHECK( ldiv_res.quot == 1l ); 71 CPPUNIT_CHECK( ldiv_res.rem == 1l ); 72 73 std::srand(2); 74 int rand_val = std::rand(); 75 CPPUNIT_CHECK( rand_val >= 0 && rand_val <= RAND_MAX ); 76 77 CPPUNIT_CHECK( are_equals(std::floor(1.5), 1.0) ); 78 CPPUNIT_CHECK( are_equals(std::ceil(1.5), 2.0) ); 79 CPPUNIT_CHECK( are_equals(std::fmod(1.5, 1.0), 0.5) ); 80 CPPUNIT_CHECK( are_equals(std::sqrt(4.0), 2.0) ); 81 CPPUNIT_CHECK( are_equals(std::pow(2.0, 2), 4.0) ); 82 /* 83 * Uncomment the following to check that it generates an ambiguous call 84 * as there is no Standard pow(int, int) function only pow(double, int), 85 * pow(float, int) and some others... 86 * If it do not generate a compile time error it should at least give 87 * the good result. 88 */ 89 //CPPUNIT_CHECK( are_equals(std::pow(10, -2), 0.01) ); 90 CPPUNIT_CHECK( are_equals(std::pow(10.0, -2), 0.01) ); 91 CPPUNIT_CHECK( are_equals(std::exp(0.0), 1.0) ); 92 CPPUNIT_CHECK( are_equals(std::log(std::exp(1.0)), 1.0) ); 93 CPPUNIT_CHECK( are_equals(std::log10(100.0), 2.0) ); 94 # if !defined (STLPORT) || !defined (_STLP_USING_PLATFORM_SDK_COMPILER) || !defined (_WIN64) 95 CPPUNIT_CHECK( are_equals(std::modf(100.5, &double_val), 0.5) ); 96 CPPUNIT_CHECK( are_equals(double_val, 100.0) ); 97 # endif 98 double_val = std::frexp(8.0, &int_val); 99 CPPUNIT_CHECK( are_equals(double_val * std::pow(2.0, int_val), 8.0) ); 100 CPPUNIT_CHECK( are_equals(std::ldexp(1.0, 2), 4.0) ); 101 CPPUNIT_CHECK( are_equals(std::cos(std::acos(1.0)), 1.0) ); 102 CPPUNIT_CHECK( are_equals(std::sin(std::asin(1.0)), 1.0) ); 103 CPPUNIT_CHECK( are_equals(std::tan(std::atan(1.0)), 1.0) ); 104 CPPUNIT_CHECK( are_equals(std::tan(std::atan2(1.0, 1.0)), 1.0) ); 105 CPPUNIT_CHECK( are_equals(std::cosh(0.0), 1.0) ); 106 CPPUNIT_CHECK( are_equals(std::sinh(0.0), 0.0) ); 107 # if !defined (STLPORT) || !defined (_STLP_USING_PLATFORM_SDK_COMPILER) || !defined (_M_AMD64) 108 CPPUNIT_CHECK( are_equals(std::tanh(0.0), 0.0) ); 109 # endif 110 111 CPPUNIT_CHECK( are_equals(std::floor(1.5f), 1.0f) ); 112 CPPUNIT_CHECK( are_equals(std::ceil(1.5f), 2.0f) ); 113 CPPUNIT_CHECK( are_equals(std::fmod(1.5f, 1.0f), 0.5f) ); 114 CPPUNIT_CHECK( are_equals(std::sqrt(4.0f), 2.0f) ); 115 CPPUNIT_CHECK( are_equals(std::pow(2.0f, 2), 4.0f) ); 116 CPPUNIT_CHECK( are_equals(std::exp(0.0f), 1.0f) ); 117 CPPUNIT_CHECK( are_equals(std::log(std::exp(1.0f)), 1.0f) ); 118 CPPUNIT_CHECK( are_equals(std::log10(100.0f), 2.0f) ); 119 # if !defined (STLPORT) || !defined (_STLP_USING_PLATFORM_SDK_COMPILER) || !defined (_WIN64) 120 CPPUNIT_CHECK( are_equals(std::modf(100.5f, &float_val), 0.5f) ); 121 CPPUNIT_CHECK( are_equals(float_val, 100.0f) ); 122 # endif 123 float_val = std::frexp(8.0f, &int_val); 124 CPPUNIT_CHECK( are_equals(float_val * std::pow(2.0f, int_val), 8.0f) ); 125 CPPUNIT_CHECK( are_equals(std::ldexp(1.0f, 2), 4.0f) ); 126 CPPUNIT_CHECK( are_equals(std::cos(std::acos(1.0f)), 1.0f) ); 127 CPPUNIT_CHECK( are_equals(std::sin(std::asin(1.0f)), 1.0f) ); 128 CPPUNIT_CHECK( are_equals(std::tan(std::atan(1.0f)), 1.0f) ); 129 CPPUNIT_CHECK( are_equals(std::tan(std::atan2(1.0f, 1.0f)), 1.0f) ); 130 CPPUNIT_CHECK( are_equals(std::cosh(0.0f), 1.0f) ); 131 CPPUNIT_CHECK( are_equals(std::sinh(0.0f), 0.0f) ); 132 # if !defined (STLPORT) || !defined (_STLP_USING_PLATFORM_SDK_COMPILER) || !defined (_M_AMD64) 133 CPPUNIT_CHECK( are_equals(std::tanh(0.0f), 0.0f) ); 134 # endif 135 136 # if !defined (_STLP_NO_LONG_DOUBLE) 137 CPPUNIT_CHECK( are_equals(std::floor(1.5l), 1.0l) ); 138 CPPUNIT_CHECK( are_equals(std::ceil(1.5l), 2.0l) ); 139 CPPUNIT_CHECK( are_equals(std::fmod(1.5l, 1.0l), 0.5l) ); 140 CPPUNIT_CHECK( are_equals(std::sqrt(4.0l), 2.0l) ); 141 CPPUNIT_CHECK( are_equals(std::pow(2.0l, 2), 4.0l) ); 142 CPPUNIT_CHECK( are_equals(std::exp(0.0l), 1.0l) ); 143 CPPUNIT_CHECK( are_equals(std::log(std::exp(1.0l)), 1.0l) ); 144 CPPUNIT_CHECK( are_equals(std::log10(100.0l), 2.0l) ); 145 # if !defined (STLPORT) || !defined (_STLP_USING_PLATFORM_SDK_COMPILER) || !defined (_WIN64) 146 CPPUNIT_CHECK( are_equals(std::modf(100.5l, &long_double_val), 0.5l) ); 147 CPPUNIT_CHECK( are_equals(long_double_val, 100.0l) ); 148 # endif 149 long_double_val = std::frexp(8.0l, &int_val); 150 CPPUNIT_CHECK( are_equals(long_double_val * std::pow(2.0l, int_val), 8.0l) ); 151 CPPUNIT_CHECK( are_equals(std::ldexp(1.0l, 2), 4.0l) ); 152 CPPUNIT_CHECK( are_equals(std::cos(std::acos(1.0l)), 1.0l) ); 153 CPPUNIT_CHECK( are_equals(std::sin(std::asin(1.0l)), 1.0l) ); 154 CPPUNIT_CHECK( are_equals(std::tan(0.0l), 0.0l) ); 155 CPPUNIT_CHECK( are_equals(std::atan(0.0l), 0.0l) ); 156 CPPUNIT_CHECK( are_equals(std::atan2(0.0l, 1.0l), 0.0l) ); 157 CPPUNIT_CHECK( are_equals(std::cosh(0.0l), 1.0l) ); 158 CPPUNIT_CHECK( are_equals(std::sinh(0.0l), 0.0l) ); 159 # if !defined (STLPORT) || !defined (_STLP_USING_PLATFORM_SDK_COMPILER) || !defined (_M_AMD64) 160 CPPUNIT_CHECK( are_equals(std::tanh(0.0l), 0.0l) ); 161 # endif 162 # endif 163 164 CPPUNIT_CHECK( are_equals(std::sqrt(std::sqrt(std::sqrt(256.0))), 2.0) ); 165 CPPUNIT_CHECK( are_equals(std::sqrt(std::sqrt(std::sqrt(256.0f))), 2.0f) ); 166 # if !defined (_STLP_NO_LONG_DOUBLE) 167 CPPUNIT_CHECK( are_equals(std::sqrt(std::sqrt(std::sqrt(256.0l))), 2.0l) ); 168 # endif 169 #endif 170 } 171
