1 /* Test mpf_add. 2 3 Copyright 1996, 2001 Free Software Foundation, Inc. 4 5 This file is part of the GNU MP Library test suite. 6 7 The GNU MP Library test suite is free software; you can redistribute it 8 and/or modify it under the terms of the GNU General Public License as 9 published by the Free Software Foundation; either version 3 of the License, 10 or (at your option) any later version. 11 12 The GNU MP Library test suite is distributed in the hope that it will be 13 useful, but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 15 Public License for more details. 16 17 You should have received a copy of the GNU General Public License along with 18 the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */ 19 20 #include <stdio.h> 21 #include <stdlib.h> 22 23 #include "gmp-impl.h" 24 #include "tests.h" 25 26 #ifndef SIZE 27 #define SIZE 16 28 #endif 29 30 int 31 main (int argc, char **argv) 32 { 33 mp_size_t size; 34 mp_exp_t exp; 35 int reps = 20000; 36 int i; 37 mpf_t u, v, w, wref; 38 mp_size_t bprec = 100; 39 mpf_t rerr, max_rerr, limit_rerr; 40 41 tests_start (); 42 43 if (argc > 1) 44 { 45 reps = strtol (argv[1], 0, 0); 46 if (argc > 2) 47 bprec = strtol (argv[2], 0, 0); 48 } 49 50 mpf_set_default_prec (bprec); 51 52 mpf_init_set_ui (limit_rerr, 1); 53 mpf_div_2exp (limit_rerr, limit_rerr, bprec); 54 #if VERBOSE 55 mpf_dump (limit_rerr); 56 #endif 57 mpf_init (rerr); 58 mpf_init_set_ui (max_rerr, 0); 59 60 mpf_init (u); 61 mpf_init (v); 62 mpf_init (w); 63 mpf_init (wref); 64 for (i = 0; i < reps; i++) 65 { 66 size = urandom () % (2 * SIZE) - SIZE; 67 exp = urandom () % SIZE; 68 mpf_random2 (u, size, exp); 69 70 size = urandom () % (2 * SIZE) - SIZE; 71 exp = urandom () % SIZE; 72 mpf_random2 (v, size, exp); 73 74 mpf_add (w, u, v); 75 refmpf_add (wref, u, v); 76 77 mpf_reldiff (rerr, w, wref); 78 if (mpf_cmp (rerr, max_rerr) > 0) 79 { 80 mpf_set (max_rerr, rerr); 81 #if VERBOSE 82 mpf_dump (max_rerr); 83 #endif 84 if (mpf_cmp (rerr, limit_rerr) > 0) 85 { 86 printf ("ERROR after %d tests\n", i); 87 printf (" u = "); mpf_dump (u); 88 printf (" v = "); mpf_dump (v); 89 printf ("wref = "); mpf_dump (wref); 90 printf (" w = "); mpf_dump (w); 91 abort (); 92 } 93 } 94 } 95 96 mpf_clear (limit_rerr); 97 mpf_clear (rerr); 98 mpf_clear (max_rerr); 99 100 mpf_clear (u); 101 mpf_clear (v); 102 mpf_clear (w); 103 mpf_clear (wref); 104 105 tests_end (); 106 exit (0); 107 } 108