1/* Copyright (C) 2004 Free Software Foundation. 2 3 Test for correctness of composite floating-point comparisons. 4 5 Written by Paolo Bonzini, 26th May 2004. */ 6 7extern void abort (void); 8 9#define TEST(c) if ((c) != ok) abort (); 10#define ORD(a, b) (((a) < (b)) || (a) >= (b)) 11#define UNORD(a, b) (!ORD ((a), (b))) 12#define UNEQ(a, b) (!LTGT ((a), (b))) 13#define UNLT(a, b) (((a) < (b)) || __builtin_isunordered ((a), (b))) 14#define UNLE(a, b) (((a) <= (b)) || __builtin_isunordered ((a), (b))) 15#define UNGT(a, b) (((a) > (b)) || __builtin_isunordered ((a), (b))) 16#define UNGE(a, b) (((a) >= (b)) || __builtin_isunordered ((a), (b))) 17#define LTGT(a, b) (((a) < (b)) || (a) > (b)) 18 19float pinf; 20float ninf; 21float NaN; 22 23int iuneq (float x, float y, int ok) 24{ 25 TEST (UNEQ (x, y)); 26 TEST (!LTGT (x, y)); 27 TEST (UNLE (x, y) && UNGE (x,y)); 28} 29 30int ieq (float x, float y, int ok) 31{ 32 TEST (ORD (x, y) && UNEQ (x, y)); 33} 34 35int iltgt (float x, float y, int ok) 36{ 37 TEST (!UNEQ (x, y)); 38 TEST (LTGT (x, y)); 39 TEST (ORD (x, y) && (UNLT (x, y) || UNGT (x,y))); 40} 41 42int ine (float x, float y, int ok) 43{ 44 TEST (UNLT (x, y) || UNGT (x, y)); 45 TEST ((x < y) || (x > y) || UNORD (x, y)); 46} 47 48int iunlt (float x, float y, int ok) 49{ 50 TEST (UNLT (x, y)); 51 TEST (UNORD (x, y) || (x < y)); 52} 53 54int ilt (float x, float y, int ok) 55{ 56 TEST (ORD (x, y) && UNLT (x, y)); 57 TEST ((x <= y) && (x != y)); 58 TEST ((x <= y) && (y != x)); 59 TEST ((x != y) && (x <= y)); 60 TEST ((y != x) && (x <= y)); 61} 62 63int iunle (float x, float y, int ok) 64{ 65 TEST (UNLE (x, y)); 66 TEST (UNORD (x, y) || (x <= y)); 67} 68 69int ile (float x, float y, int ok) 70{ 71 TEST (ORD (x, y) && UNLE (x, y)); 72 TEST ((x < y) || (x == y)); 73 TEST ((y > x) || (x == y)); 74 TEST ((x == y) || (x < y)); 75 TEST ((y == x) || (x < y)); 76} 77 78int iungt (float x, float y, int ok) 79{ 80 TEST (UNGT (x, y)); 81 TEST (UNORD (x, y) || (x > y)); 82} 83 84int igt (float x, float y, int ok) 85{ 86 TEST (ORD (x, y) && UNGT (x, y)); 87 TEST ((x >= y) && (x != y)); 88 TEST ((x >= y) && (y != x)); 89 TEST ((x != y) && (x >= y)); 90 TEST ((y != x) && (x >= y)); 91} 92 93int iunge (float x, float y, int ok) 94{ 95 TEST (UNGE (x, y)); 96 TEST (UNORD (x, y) || (x >= y)); 97} 98 99int ige (float x, float y, int ok) 100{ 101 TEST (ORD (x, y) && UNGE (x, y)); 102 TEST ((x > y) || (x == y)); 103 TEST ((y < x) || (x == y)); 104 TEST ((x == y) || (x > y)); 105 TEST ((y == x) || (x > y)); 106} 107 108int 109main () 110{ 111 pinf = __builtin_inf (); 112 ninf = -__builtin_inf (); 113 NaN = __builtin_nan (""); 114 115 iuneq (ninf, pinf, 0); 116 iuneq (NaN, NaN, 1); 117 iuneq (pinf, ninf, 0); 118 iuneq (1, 4, 0); 119 iuneq (3, 3, 1); 120 iuneq (5, 2, 0); 121 122 ieq (1, 4, 0); 123 ieq (3, 3, 1); 124 ieq (5, 2, 0); 125 126 iltgt (ninf, pinf, 1); 127 iltgt (NaN, NaN, 0); 128 iltgt (pinf, ninf, 1); 129 iltgt (1, 4, 1); 130 iltgt (3, 3, 0); 131 iltgt (5, 2, 1); 132 133 ine (1, 4, 1); 134 ine (3, 3, 0); 135 ine (5, 2, 1); 136 137 iunlt (NaN, ninf, 1); 138 iunlt (pinf, NaN, 1); 139 iunlt (pinf, ninf, 0); 140 iunlt (pinf, pinf, 0); 141 iunlt (ninf, ninf, 0); 142 iunlt (1, 4, 1); 143 iunlt (3, 3, 0); 144 iunlt (5, 2, 0); 145 146 ilt (1, 4, 1); 147 ilt (3, 3, 0); 148 ilt (5, 2, 0); 149 150 iunle (NaN, ninf, 1); 151 iunle (pinf, NaN, 1); 152 iunle (pinf, ninf, 0); 153 iunle (pinf, pinf, 1); 154 iunle (ninf, ninf, 1); 155 iunle (1, 4, 1); 156 iunle (3, 3, 1); 157 iunle (5, 2, 0); 158 159 ile (1, 4, 1); 160 ile (3, 3, 1); 161 ile (5, 2, 0); 162 163 iungt (NaN, ninf, 1); 164 iungt (pinf, NaN, 1); 165 iungt (pinf, ninf, 1); 166 iungt (pinf, pinf, 0); 167 iungt (ninf, ninf, 0); 168 iungt (1, 4, 0); 169 iungt (3, 3, 0); 170 iungt (5, 2, 1); 171 172 igt (1, 4, 0); 173 igt (3, 3, 0); 174 igt (5, 2, 1); 175 176 iunge (NaN, ninf, 1); 177 iunge (pinf, NaN, 1); 178 iunge (ninf, pinf, 0); 179 iunge (pinf, pinf, 1); 180 iunge (ninf, ninf, 1); 181 iunge (1, 4, 0); 182 iunge (3, 3, 1); 183 iunge (5, 2, 1); 184 185 ige (1, 4, 0); 186 ige (3, 3, 1); 187 ige (5, 2, 1); 188 189 return 0; 190} 191