1/* Test itom. 2 3Copyright 2000, 2001 Free Software Foundation, Inc. 4 5This file is part of the GNU MP Library. 6 7The GNU MP Library is free software; you can redistribute it and/or modify 8it under the terms of the GNU Lesser General Public License as published by 9the Free Software Foundation; either version 3 of the License, or (at your 10option) any later version. 11 12The GNU MP Library is distributed in the hope that it will be useful, but 13WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 15License for more details. 16 17You should have received a copy of the GNU Lesser General Public License 18along 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 "mp.h" 25#include "tests.h" 26 27#define SGN(x) ((x) < 0 ? -1 : (x) == 0 ? 0 : 1) 28 29 30void 31check_data (void) 32{ 33 static const struct { 34 short m; 35 mp_size_t want_size; 36 mp_limb_t want_limb; 37 } data[] = { 38 39 { 0L, 0 }, 40 { 1L, 1, 1 }, 41 { -1L, -1, 1 }, 42 43 { SHRT_MAX, 1, SHRT_MAX }, 44 { -SHRT_MAX, -1, SHRT_MAX }, 45 { SHRT_MIN, -1, -SHRT_MIN }, 46 }; 47 48 MINT *m; 49 int i; 50 51 for (i = 0; i < numberof (data); i++) 52 { 53 m = itom (data[i].m); 54 if (m->_mp_size != data[i].want_size 55 || (m->_mp_size != 0 && m->_mp_d[0] != data[i].want_limb)) 56 { 57 printf ("itom wrong on data[%d]\n", i); 58 abort(); 59 } 60 mfree (m); 61 } 62} 63 64 65int 66main (void) 67{ 68 tests_start (); 69 70 check_data (); 71 72 tests_end (); 73 exit (0); 74} 75