1/* Test mpz_cmp_si. 2 3Copyright 2000, 2001 Free Software Foundation, Inc. 4 5This file is part of the GNU MP Library test suite. 6 7The GNU MP Library test suite is free software; you can redistribute it 8and/or modify it under the terms of the GNU General Public License as 9published by the Free Software Foundation; either version 3 of the License, 10or (at your option) any later version. 11 12The GNU MP Library test suite is distributed in the hope that it will be 13useful, but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 15Public License for more details. 16 17You should have received a copy of the GNU General Public License along with 18the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */ 19 20#include <stdio.h> 21#include <stdlib.h> 22#include "gmp-impl.h" 23#include "tests.h" 24 25#define SGN(x) ((x) < 0 ? -1 : (x) == 0 ? 0 : 1) 26 27void 28check_data (void) 29{ 30 static const struct { 31 const char *a, *b; 32 int want; 33 } data[] = { 34 { "0", "1", -1 }, 35 { "0", "0", 0 }, 36 { "0", "-1", 1 }, 37 38 { "1", "1", 0 }, 39 { "1", "0", 1 }, 40 { "1", "-1", 1 }, 41 42 { "-1", "1", -1 }, 43 { "-1", "0", -1 }, 44 { "-1", "-1", 0 }, 45 46 { "0", "-0x80000000", 1 }, 47 { "0x80000000", "-0x80000000", 1 }, 48 { "0x80000001", "-0x80000000", 1 }, 49 { "-0x80000000", "-0x80000000", 0 }, 50 { "-0x80000001", "-0x80000000", -1 }, 51 52 { "0", "-0x8000000000000000", 1 }, 53 { "0x8000000000000000", "-0x8000000000000000", 1 }, 54 { "0x8000000000000001", "-0x8000000000000000", 1 }, 55 { "-0x8000000000000000", "-0x8000000000000000", 0 }, 56 { "-0x8000000000000001", "-0x8000000000000000", -1 }, 57 }; 58 59 mpz_t a, bz; 60 long b; 61 int got; 62 int i; 63 64 mpz_init (a); 65 mpz_init (bz); 66 for (i = 0; i < numberof (data); i++) 67 { 68 mpz_set_str_or_abort (a, data[i].a, 0); 69 mpz_set_str_or_abort (bz, data[i].b, 0); 70 71 if (mpz_fits_slong_p (bz)) 72 { 73 b = mpz_get_si (bz); 74 got = mpz_cmp_si (a, b); 75 if (SGN (got) != data[i].want) 76 { 77 printf ("mpz_cmp_si wrong on data[%d]\n", i); 78 printf (" a="); mpz_out_str (stdout, 10, a); printf ("\n"); 79 printf (" b=%ld\n", b); 80 printf (" got=%d\n", got); 81 printf (" want=%d\n", data[i].want); 82 abort(); 83 } 84 } 85 } 86 87 mpz_clear (a); 88 mpz_clear (bz); 89} 90 91 92int 93main (void) 94{ 95 tests_start (); 96 97 check_data (); 98 99 tests_end (); 100 exit (0); 101} 102