1 /* Test mpz_mul_ui and mpz_mul_si. 2 3 Copyright 2001, 2002 Free Software Foundation, Inc. 4 5 This file is part of the GNU MP Library. 6 7 The GNU MP Library is free software; you can redistribute it and/or modify 8 it under the terms of the GNU Lesser General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or (at your 10 option) any later version. 11 12 The GNU MP Library is distributed in the hope that it will be useful, but 13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 15 License for more details. 16 17 You should have received a copy of the GNU Lesser General Public License 18 along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */ 19 20 #include <stdio.h> 21 #include <stdlib.h> 22 23 #include "gmp.h" 24 #include "gmp-impl.h" 25 #include "tests.h" 26 27 28 mpz_t got, want, x; 29 30 void 31 compare_si (long y) 32 { 33 if (mpz_cmp (got, want) != 0) 34 { 35 printf ("mpz_mul_si wrong\n"); 36 mpz_trace (" x", x); 37 printf (" y=%ld (0x%lX)\n", y, y); 38 mpz_trace (" got ", got); 39 mpz_trace (" want", want); 40 abort (); 41 } 42 } 43 44 void 45 compare_ui (unsigned long y) 46 { 47 if (mpz_cmp (got, want) != 0) 48 { 49 printf ("mpz_mul_ui wrong\n"); 50 mpz_trace (" x", x); 51 printf (" y=%lu (0x%lX)\n", y, y); 52 mpz_trace (" got ", got); 53 mpz_trace (" want", want); 54 abort (); 55 } 56 } 57 58 void 59 check_samples (void) 60 { 61 { 62 long y; 63 64 mpz_set_ui (x, 1L); 65 y = 0; 66 mpz_mul_si (got, x, y); 67 mpz_set_si (want, y); 68 compare_si (y); 69 70 mpz_set_ui (x, 1L); 71 y = 1; 72 mpz_mul_si (got, x, y); 73 mpz_set_si (want, y); 74 compare_si (y); 75 76 mpz_set_ui (x, 1L); 77 y = -1; 78 mpz_mul_si (got, x, y); 79 mpz_set_si (want, y); 80 compare_si (y); 81 82 mpz_set_ui (x, 1L); 83 y = LONG_MIN; 84 mpz_mul_si (got, x, y); 85 mpz_set_si (want, y); 86 compare_si (y); 87 88 mpz_set_ui (x, 1L); 89 y = LONG_MAX; 90 mpz_mul_si (got, x, y); 91 mpz_set_si (want, y); 92 compare_si (y); 93 } 94 95 { 96 unsigned long y; 97 98 mpz_set_ui (x, 1L); 99 y = 0; 100 mpz_mul_ui (got, x, y); 101 mpz_set_ui (want, y); 102 compare_ui (y); 103 104 mpz_set_ui (x, 1L); 105 y = 1; 106 mpz_mul_ui (got, x, y); 107 mpz_set_ui (want, y); 108 compare_ui (y); 109 110 mpz_set_ui (x, 1L); 111 y = ULONG_MAX; 112 mpz_mul_ui (got, x, y); 113 mpz_set_ui (want, y); 114 compare_ui (y); 115 } 116 } 117 118 int 119 main (int argc, char **argv) 120 { 121 tests_start (); 122 123 mpz_init (x); 124 mpz_init (got); 125 mpz_init (want); 126 127 check_samples (); 128 129 mpz_clear (x); 130 mpz_clear (got); 131 mpz_clear (want); 132 133 tests_end (); 134 exit (0); 135 } 136