1 /* Test file for internal debugging-out functions: 2 mpfr_dump, mpfr_print_binary, mpfr_print_rnd_mode. 3 4 Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. 5 Contributed by the Arenaire and Cacao projects, INRIA. 6 7 This file is part of the GNU MPFR Library. 8 9 The GNU MPFR Library is free software; you can redistribute it and/or modify 10 it under the terms of the GNU Lesser General Public License as published by 11 the Free Software Foundation; either version 3 of the License, or (at your 12 option) any later version. 13 14 The GNU MPFR Library is distributed in the hope that it will be useful, but 15 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17 License for more details. 18 19 You should have received a copy of the GNU Lesser General Public License 20 along with the GNU MPFR Library; see the file COPYING.LESSER. If not, see 21 http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc., 22 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ 23 24 #include <stdlib.h> 25 #include "mpfr-test.h" 26 27 /* We output stdout to a file to check if it is correct 28 Is it a good idea? 29 We can't use tmpname since it is insecure */ 30 #define FILE_NAME "dummy.tmp" 31 32 static const char Buffer[] = 33 "@NaN@\n" 34 "-@Inf@\n" 35 "-0\n" 36 "0.10101010101011111001000110001100010000100000000000000E32\n"; 37 38 int 39 main (void) 40 { 41 mpfr_t x; 42 FILE *f; 43 int i; 44 45 tests_start_mpfr (); 46 47 /* Check RND_MODE */ 48 if (strcmp (mpfr_print_rnd_mode(MPFR_RNDN), "MPFR_RNDN")) 49 { 50 printf ("Error for printing MPFR_RNDN\n"); 51 exit (1); 52 } 53 if (strcmp (mpfr_print_rnd_mode(MPFR_RNDU), "MPFR_RNDU")) 54 { 55 printf ("Error for printing MPFR_RNDU\n"); 56 exit (1); 57 } 58 if (strcmp (mpfr_print_rnd_mode(MPFR_RNDD), "MPFR_RNDD")) 59 { 60 printf ("Error for printing MPFR_RNDD\n"); 61 exit (1); 62 } 63 if (strcmp (mpfr_print_rnd_mode(MPFR_RNDZ), "MPFR_RNDZ")) 64 { 65 printf ("Error for printing MPFR_RNDZ\n"); 66 exit (1); 67 } 68 if (mpfr_print_rnd_mode ((mpfr_rnd_t) -1) != NULL || 69 mpfr_print_rnd_mode (MPFR_RND_MAX) != NULL) 70 { 71 printf ("Error for illegal rounding mode values.\n"); 72 exit (1); 73 } 74 75 /* Reopen stdout to a file. All errors will be put to stderr 76 Can't use tmpname since it is unsecure */ 77 if (freopen (FILE_NAME, "w", stdout) == NULL) 78 { 79 printf ("Error can't redirect stdout\n"); 80 exit (1); 81 } 82 mpfr_init (x); 83 mpfr_set_nan (x); 84 mpfr_dump (x); 85 mpfr_set_inf (x, -1); 86 mpfr_dump (x); 87 MPFR_SET_ZERO (x); MPFR_SET_NEG (x); 88 mpfr_dump (x); 89 mpfr_set_str_binary (x, "0.101010101010111110010001100011000100001E32"); 90 mpfr_dump (x); 91 mpfr_print_mant_binary ("x=",MPFR_MANT(x), MPFR_PREC(x)); 92 93 94 mpfr_clear (x); 95 fclose (stdout); 96 /* Open it and check for it */ 97 f = fopen (FILE_NAME, "r"); 98 if (f == NULL) 99 { 100 fprintf (stderr, "Can't reopen file!\n"); 101 exit (1); 102 } 103 for(i = 0 ; i < sizeof(Buffer)-1 ; i++) 104 { 105 if (feof (f)) 106 { 107 fprintf (stderr, "Error EOF\n"); 108 exit (1); 109 } 110 if (Buffer[i] != fgetc (f)) 111 { 112 fprintf (stderr, "Character mismatch for i=%d / %lu\n", 113 i, (unsigned long) sizeof(Buffer)); 114 exit (1); 115 } 116 } 117 fclose (f); 118 119 remove (FILE_NAME); 120 tests_end_mpfr (); 121 return 0; 122 } 123