1 /* Test file for mpfr_inp_str. 2 3 Copyright 2004, 2006-2023 Free Software Foundation, Inc. 4 Contributed by the AriC and Caramba projects, INRIA. 5 6 This file is part of the GNU MPFR Library. 7 8 The GNU MPFR Library is free software; you can redistribute it and/or modify 9 it under the terms of the GNU Lesser General Public License as published by 10 the Free Software Foundation; either version 3 of the License, or (at your 11 option) any later version. 12 13 The GNU MPFR Library is distributed in the hope that it will be useful, but 14 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 16 License for more details. 17 18 You should have received a copy of the GNU Lesser General Public License 19 along with the GNU MPFR Library; see the file COPYING.LESSER. If not, see 20 https://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc., 21 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ 22 23 #include <ctype.h> 24 25 #include "mpfr-test.h" 26 27 #ifdef HAVE_LOCALE_H 28 #include <locale.h> 29 #endif 30 31 int 32 main (int argc, char *argv[]) 33 { 34 mpfr_t x; 35 mpfr_t y; 36 FILE *f; 37 int i, n; 38 39 tests_start_mpfr (); 40 41 mpfr_init (x); 42 mpfr_init (y); 43 44 mpfr_set_prec (x, 15); 45 f = src_fopen ("inp_str.dat", "r"); 46 if (f == NULL) 47 { 48 printf ("Error, can't open inp_str.dat\n"); 49 exit (1); 50 } 51 i = mpfr_inp_str (x, f, 10, MPFR_RNDN); 52 if (i != 5 || mpfr_cmp_si0 (x, -1700)) 53 { 54 printf ("Error in reading 1st line from file inp_str.dat (%d)\n", i); 55 mpfr_dump (x); 56 exit (1); 57 } 58 i = mpfr_inp_str (x, f, 10, MPFR_RNDN); 59 if (i != 10 || mpfr_cmp_ui0 (x, 31415)) 60 { 61 printf ("Error in reading 2nd line from file inp_str.dat (%d)\n", i); 62 mpfr_dump (x); 63 exit (1); 64 } 65 i = mpfr_inp_str (x, f, 10, MPFR_RNDN); 66 if (i != 111 || mpfr_cmp_ui0 (x, 31416)) 67 { 68 printf ("Error in reading 3rd line from file inp_str.dat (%d)\n", i); 69 mpfr_dump (x); 70 exit (1); 71 } 72 i = mpfr_inp_str (x, f, 10, MPFR_RNDN); 73 if (i != 0) 74 { 75 printf ("Error in reading 4th line from file inp_str.dat (%d)\n", i); 76 mpfr_dump (x); 77 exit (1); 78 } 79 80 mpfr_set_prec (x, 53); 81 mpfr_set_prec (y, 53); 82 mpfr_set_str (y, "1.0010010100001110100101001110011010111011100001110010e226", 83 2, MPFR_RNDN); 84 for (n = 2; n < 63; n++) 85 { 86 i = mpfr_inp_str (x, f, n, MPFR_RNDN); 87 if (i == 0 || !mpfr_equal_p (x, y)) 88 { 89 printf ("Error in reading %dth line from file inp_str.dat (%d)\n", 90 n+3, i); 91 mpfr_dump (x); 92 exit (1); 93 } 94 mpfr_set_ui (x, 0, MPFR_RNDN); 95 } 96 97 /* This last test assumes that isspace(0) is false. 98 If it isn't, set the locale to "C" in order to ensure that; 99 but we check isspace(0) again, just in case. */ 100 if (! isspace (0) 101 #if defined(HAVE_LOCALE_H) && defined(HAVE_SETLOCALE) 102 || (setlocale (LC_ALL, "C"), ! isspace (0)) 103 #endif 104 ) 105 { 106 i = mpfr_inp_str (x, f, 10, MPFR_RNDN); 107 if (i != 0) 108 { 109 printf ("Error in the '\\0' test (%d)\n", i); 110 exit (1); 111 } 112 i = mpfr_inp_str (x, f, 10, MPFR_RNDN); 113 if (i != 3 || mpfr_cmp_ui0 (x, 17)) 114 { 115 printf ("Error following the '\\0' test (%d)\n", i); 116 mpfr_dump (x); 117 exit (1); 118 } 119 } 120 121 fclose (f); 122 123 mpfr_clear (x); 124 mpfr_clear (y); 125 126 tests_end_mpfr (); 127 return 0; 128 } 129