1 /* Test mpq_equal. 2 3 Copyright 2001 Free Software Foundation, Inc. 4 5 This file is part of the GNU MP Library test suite. 6 7 The GNU MP Library test suite is free software; you can redistribute it 8 and/or modify it under the terms of the GNU General Public License as 9 published by the Free Software Foundation; either version 3 of the License, 10 or (at your option) any later version. 11 12 The GNU MP Library test suite is distributed in the hope that it will be 13 useful, but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 15 Public License for more details. 16 17 You should have received a copy of the GNU General Public License along with 18 the GNU MP Library test suite. If not, see http://www.gnu.org/licenses/. */ 19 20 #include <stdio.h> 21 #include <stdlib.h> 22 #include "gmp.h" 23 #include "gmp-impl.h" 24 #include "tests.h" 25 26 27 void 28 check_one (mpq_srcptr x, mpq_srcptr y, int want) 29 { 30 int got; 31 32 MPQ_CHECK_FORMAT (x); 33 MPQ_CHECK_FORMAT (y); 34 35 got = mpq_equal (x, y); 36 if ((got != 0) != (want != 0)) 37 { 38 printf ("mpq_equal got %d want %d\n", got, want); 39 mpq_trace ("x", x); 40 mpq_trace ("y", y); 41 abort (); 42 } 43 } 44 45 46 void 47 check_all (mpq_ptr x, mpq_ptr y, int want) 48 { 49 check_one (x, y, want); 50 check_one (y, x, want); 51 52 mpq_neg (x, x); 53 mpq_neg (y, y); 54 55 check_one (x, y, want); 56 check_one (y, x, want); 57 } 58 59 60 #define SET4Z(z, size,l3,l2,l1,l0) \ 61 SIZ(z) = size; PTR(z)[3] = l3; PTR(z)[2] = l2; PTR(z)[1] = l1; PTR(z)[0] = l0 62 63 #define SET4(q, nsize,n3,n2,n1,n0, dsize,d3,d2,d1,d0) \ 64 SET4Z (mpq_numref(q), nsize,n3,n2,n1,n0); \ 65 SET4Z (mpq_denref(q), dsize,d3,d2,d1,d0) 66 67 68 /* Exercise various combinations of same and slightly different values. */ 69 70 void 71 check_various (void) 72 { 73 mpq_t x, y; 74 75 mpq_init (x); 76 mpq_init (y); 77 78 mpz_realloc (mpq_numref(x), (mp_size_t) 20); 79 mpz_realloc (mpq_denref(x), (mp_size_t) 20); 80 mpz_realloc (mpq_numref(y), (mp_size_t) 20); 81 mpz_realloc (mpq_denref(y), (mp_size_t) 20); 82 83 /* 0 == 0 */ 84 SET4 (x, 0,13,12,11,10, 1,23,22,21,1); 85 SET4 (y, 0,33,32,31,30, 1,43,42,41,1); 86 check_all (x, y, 1); 87 88 /* 83/99 == 83/99 */ 89 SET4 (x, 1,13,12,11,83, 1,23,22,21,99); 90 SET4 (y, 1,33,32,31,83, 1,43,42,41,99); 91 check_all (x, y, 1); 92 93 /* 1:2:3:4/5:6:7 == 1:2:3:4/5:6:7 */ 94 SET4 (x, 4,1,2,3,4, 3,88,5,6,7); 95 SET4 (y, 4,1,2,3,4, 3,99,5,6,7); 96 check_all (x, y, 1); 97 98 /* various individual changes making != */ 99 SET4 (x, 4,1,2,3,667, 3,88,5,6,7); 100 SET4 (y, 4,1,2,3,4, 3,99,5,6,7); 101 check_all (x, y, 0); 102 SET4 (x, 4,1,2,666,4, 3,88,5,6,7); 103 SET4 (y, 4,1,2,3,4, 3,99,5,6,7); 104 check_all (x, y, 0); 105 SET4 (x, 4,1,666,3,4, 3,88,5,6,7); 106 SET4 (y, 4,1,2,3,4, 3,99,5,6,7); 107 check_all (x, y, 0); 108 #if GMP_NUMB_BITS != 62 109 SET4 (x, 4,667,2,3,4, 3,88,5,6,7); 110 SET4 (y, 4,1,2,3,4, 3,99,5,6,7); 111 check_all (x, y, 0); 112 #endif 113 SET4 (x, 4,1,2,3,4, 3,88,5,6,667); 114 SET4 (y, 4,1,2,3,4, 3,99,5,6,7); 115 check_all (x, y, 0); 116 SET4 (x, 4,1,2,3,4, 3,88,5,667,7); 117 SET4 (y, 4,1,2,3,4, 3,99,5,6,7); 118 check_all (x, y, 0); 119 SET4 (x, 4,1,2,3,4, 3,88,666,6,7); 120 SET4 (y, 4,1,2,3,4, 3,99,5,6,7); 121 check_all (x, y, 0); 122 SET4 (x, -4,1,2,3,4, 3,88,5,6,7); 123 SET4 (y, 4,1,2,3,4, 3,99,5,6,7); 124 check_all (x, y, 0); 125 SET4 (x, 1,1,2,3,4, 3,88,5,6,7); 126 SET4 (y, 4,1,2,3,4, 3,99,5,6,7); 127 check_all (x, y, 0); 128 SET4 (x, 4,1,2,3,4, 3,88,5,6,7); 129 SET4 (y, 4,1,2,3,4, 2,99,5,6,7); 130 check_all (x, y, 0); 131 132 mpq_clear (x); 133 mpq_clear (y); 134 } 135 136 137 int 138 main (void) 139 { 140 tests_start (); 141 mp_trace_base = -16; 142 143 check_various (); 144 145 tests_end (); 146 exit (0); 147 } 148