1 /* Test mpf_set_si and mpf_init_set_si. 2 3 Copyright 2000, 2001, 2003 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 #include "gmp.h" 23 #include "gmp-impl.h" 24 #include "tests.h" 25 26 void 27 check_data (void) 28 { 29 static const struct { 30 long x; 31 mp_size_t want_size; 32 mp_limb_t want_data[2]; 33 } data[] = { 34 35 { 0L, 0 }, 36 { 1L, 1, { 1 } }, 37 { -1L, -1, { 1 } }, 38 39 #if GMP_NUMB_BITS >= BITS_PER_ULONG 40 { LONG_MAX, 1, { LONG_MAX, 0 } }, 41 { -LONG_MAX, -1, { LONG_MAX, 0 } }, 42 { LONG_HIGHBIT, -1, { ULONG_HIGHBIT, 0 } }, 43 #else 44 { LONG_MAX, 2, { LONG_MAX & GMP_NUMB_MASK, LONG_MAX >> GMP_NUMB_BITS } }, 45 { -LONG_MAX, -2, { LONG_MAX & GMP_NUMB_MASK, LONG_MAX >> GMP_NUMB_BITS }}, 46 { LONG_HIGHBIT, -2, { 0, ULONG_HIGHBIT >> GMP_NUMB_BITS } }, 47 #endif 48 }; 49 50 mpf_t x; 51 int i; 52 53 for (i = 0; i < numberof (data); i++) 54 { 55 mpf_init (x); 56 mpf_set_si (x, data[i].x); 57 MPF_CHECK_FORMAT (x); 58 if (x->_mp_size != data[i].want_size 59 || refmpn_cmp_allowzero (x->_mp_d, data[i].want_data, 60 ABS (data[i].want_size)) != 0 61 || x->_mp_exp != ABS (data[i].want_size)) 62 { 63 printf ("mpf_set_si wrong on data[%d]\n", i); 64 abort(); 65 } 66 mpf_clear (x); 67 68 mpf_init_set_si (x, data[i].x); 69 MPF_CHECK_FORMAT (x); 70 if (x->_mp_size != data[i].want_size 71 || refmpn_cmp_allowzero (x->_mp_d, data[i].want_data, 72 ABS (data[i].want_size)) != 0 73 || x->_mp_exp != ABS (data[i].want_size)) 74 { 75 printf ("mpf_init_set_si wrong on data[%d]\n", i); 76 abort(); 77 } 78 mpf_clear (x); 79 } 80 } 81 82 int 83 main (void) 84 { 85 tests_start (); 86 87 check_data (); 88 89 tests_end (); 90 exit (0); 91 } 92