1 /* Test mpz_fits_*_p */ 2 3 /* 4 Copyright 2001 Free Software Foundation, Inc. 5 6 This file is part of the GNU MP Library test suite. 7 8 The GNU MP Library test suite is free software; you can redistribute it 9 and/or modify it under the terms of the GNU General Public License as 10 published by the Free Software Foundation; either version 3 of the License, 11 or (at your option) any later version. 12 13 The GNU MP Library test suite is distributed in the hope that it will be 14 useful, but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 16 Public License for more details. 17 18 You should have received a copy of the GNU General Public License along with 19 the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */ 20 21 #include <stdio.h> 22 #include <stdlib.h> 23 #include "gmp-impl.h" 24 #include "tests.h" 25 26 27 /* Nothing sophisticated here, just exercise mpz_fits_*_p on a small amount 28 of data. */ 29 30 #define EXPECT_S(fun,name,answer) \ 31 got = fun (z); \ 32 if (got != answer) \ 33 { \ 34 printf ("%s (%s) got %d want %d\n", name, expr, got, answer); \ 35 printf (" z size %d\n", SIZ(z)); \ 36 printf (" z dec "); mpz_out_str (stdout, 10, z); printf ("\n"); \ 37 printf (" z hex "); mpz_out_str (stdout, 16, z); printf ("\n"); \ 38 error = 1; \ 39 } 40 41 #define EXPECT(fun,answer) EXPECT_S(fun,#fun,answer) 42 43 int 44 main (void) 45 { 46 mpz_t z; 47 int got; 48 const char *expr; 49 int error = 0; 50 51 tests_start (); 52 mpz_init (z); 53 54 mpz_set_ui (z, 0L); 55 expr = "0"; 56 EXPECT (mpz_fits_ulong_p, 1); 57 EXPECT (mpz_fits_uint_p, 1); 58 EXPECT (mpz_fits_ushort_p, 1); 59 EXPECT (mpz_fits_slong_p, 1); 60 EXPECT (mpz_fits_sint_p, 1); 61 EXPECT (mpz_fits_sshort_p, 1); 62 63 mpz_set_ui (z, 1L); 64 expr = "1"; 65 EXPECT (mpz_fits_ulong_p, 1); 66 EXPECT (mpz_fits_uint_p, 1); 67 EXPECT (mpz_fits_ushort_p, 1); 68 EXPECT (mpz_fits_slong_p, 1); 69 EXPECT (mpz_fits_sint_p, 1); 70 EXPECT (mpz_fits_sshort_p, 1); 71 72 mpz_set_si (z, -1L); 73 expr = "-1"; 74 EXPECT (mpz_fits_ulong_p, 0); 75 EXPECT (mpz_fits_uint_p, 0); 76 EXPECT (mpz_fits_ushort_p, 0); 77 EXPECT (mpz_fits_slong_p, 1); 78 EXPECT (mpz_fits_sint_p, 1); 79 EXPECT (mpz_fits_sshort_p, 1); 80 81 mpz_set_ui (z, 1L); 82 mpz_mul_2exp (z, z, 5L*GMP_LIMB_BITS); 83 expr = "2^(5*BPML)"; 84 EXPECT (mpz_fits_ulong_p, 0); 85 EXPECT (mpz_fits_uint_p, 0); 86 EXPECT (mpz_fits_ushort_p, 0); 87 EXPECT (mpz_fits_slong_p, 0); 88 EXPECT (mpz_fits_sint_p, 0); 89 EXPECT (mpz_fits_sshort_p, 0); 90 91 92 mpz_set_ui (z, (unsigned long) USHRT_MAX); 93 expr = "USHRT_MAX"; 94 EXPECT (mpz_fits_ulong_p, 1); 95 EXPECT (mpz_fits_uint_p, 1); 96 EXPECT (mpz_fits_ushort_p, 1); 97 98 mpz_set_ui (z, (unsigned long) USHRT_MAX); 99 mpz_add_ui (z, z, 1L); 100 expr = "USHRT_MAX + 1"; 101 EXPECT (mpz_fits_ushort_p, 0); 102 103 104 mpz_set_ui (z, (unsigned long) UINT_MAX); 105 expr = "UINT_MAX"; 106 EXPECT (mpz_fits_ulong_p, 1); 107 EXPECT (mpz_fits_uint_p, 1); 108 109 mpz_set_ui (z, (unsigned long) UINT_MAX); 110 mpz_add_ui (z, z, 1L); 111 expr = "UINT_MAX + 1"; 112 EXPECT (mpz_fits_uint_p, 0); 113 114 115 mpz_set_ui (z, ULONG_MAX); 116 expr = "ULONG_MAX"; 117 EXPECT (mpz_fits_ulong_p, 1); 118 119 mpz_set_ui (z, ULONG_MAX); 120 mpz_add_ui (z, z, 1L); 121 expr = "ULONG_MAX + 1"; 122 EXPECT (mpz_fits_ulong_p, 0); 123 124 125 mpz_set_si (z, (long) SHRT_MAX); 126 expr = "SHRT_MAX"; 127 EXPECT (mpz_fits_slong_p, 1); 128 EXPECT (mpz_fits_sint_p, 1); 129 EXPECT (mpz_fits_sshort_p, 1); 130 131 mpz_set_si (z, (long) SHRT_MAX); 132 mpz_add_ui (z, z, 1L); 133 expr = "SHRT_MAX + 1"; 134 EXPECT (mpz_fits_sshort_p, 0); 135 136 137 mpz_set_si (z, (long) INT_MAX); 138 expr = "INT_MAX"; 139 EXPECT (mpz_fits_slong_p, 1); 140 EXPECT (mpz_fits_sint_p, 1); 141 142 mpz_set_si (z, (long) INT_MAX); 143 mpz_add_ui (z, z, 1L); 144 expr = "INT_MAX + 1"; 145 EXPECT (mpz_fits_sint_p, 0); 146 147 148 mpz_set_si (z, LONG_MAX); 149 expr = "LONG_MAX"; 150 EXPECT (mpz_fits_slong_p, 1); 151 152 mpz_set_si (z, LONG_MAX); 153 mpz_add_ui (z, z, 1L); 154 expr = "LONG_MAX + 1"; 155 EXPECT (mpz_fits_slong_p, 0); 156 157 158 mpz_set_si (z, (long) SHRT_MIN); 159 expr = "SHRT_MIN"; 160 EXPECT (mpz_fits_slong_p, 1); 161 EXPECT (mpz_fits_sint_p, 1); 162 EXPECT (mpz_fits_sshort_p, 1); 163 164 mpz_set_si (z, (long) SHRT_MIN); 165 mpz_sub_ui (z, z, 1L); 166 expr = "SHRT_MIN + 1"; 167 EXPECT (mpz_fits_sshort_p, 0); 168 169 170 mpz_set_si (z, (long) INT_MIN); 171 expr = "INT_MIN"; 172 EXPECT (mpz_fits_slong_p, 1); 173 EXPECT (mpz_fits_sint_p, 1); 174 175 mpz_set_si (z, (long) INT_MIN); 176 mpz_sub_ui (z, z, 1L); 177 expr = "INT_MIN + 1"; 178 EXPECT (mpz_fits_sint_p, 0); 179 180 181 mpz_set_si (z, LONG_MIN); 182 expr = "LONG_MIN"; 183 EXPECT (mpz_fits_slong_p, 1); 184 185 mpz_set_si (z, LONG_MIN); 186 mpz_sub_ui (z, z, 1L); 187 expr = "LONG_MIN + 1"; 188 EXPECT (mpz_fits_slong_p, 0); 189 190 191 if (error) 192 abort (); 193 194 mpz_clear (z); 195 tests_end (); 196 exit (0); 197 } 198
Indexes created Sat Feb 28 05:31:39 UTC 2026