| Alexandre Lision | 7c6f4a6 | 2013-09-05 13:27:01 -0400 | [diff] [blame] | 1 | /* |
| 2 | ** Copyright (C) 2006-2011 Erik de Castro Lopo <erikd@mega-nerd.com> |
| 3 | ** |
| 4 | ** This program is free software; you can redistribute it and/or modify |
| 5 | ** it under the terms of the GNU Lesser General Public License as published by |
| 6 | ** the Free Software Foundation; either version 2.1 of the License, or |
| 7 | ** (at your option) any later version. |
| 8 | ** |
| 9 | ** This program is distributed in the hope that it will be useful, |
| 10 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | ** GNU Lesser General Public License for more details. |
| 13 | ** |
| 14 | ** You should have received a copy of the GNU Lesser General Public License |
| 15 | ** along with this program; if not, write to the Free Software |
| 16 | ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #include "sfconfig.h" |
| 20 | |
| 21 | #include <stdio.h> |
| 22 | #include <stdlib.h> |
| 23 | #include <string.h> |
| 24 | #include <stdarg.h> |
| 25 | #include <errno.h> |
| 26 | #include <math.h> |
| 27 | |
| 28 | #include "common.h" |
| 29 | #include "test_main.h" |
| 30 | |
| 31 | void |
| 32 | test_float_convert (void) |
| 33 | { static float data [] = |
| 34 | { 0.0, 1.0, -1.0, 1.0 * M_PI, -1.0 * M_PI, |
| 35 | 1e9, -1e9, 1e-9, -1e-9, 1e-10, -1e-10, |
| 36 | 1e-19, -1e-19, 1e19, -1e19, 1e-20, -1e-20, |
| 37 | } ; |
| 38 | |
| 39 | int k ; |
| 40 | |
| 41 | print_test_name (__func__) ; |
| 42 | |
| 43 | for (k = 0 ; k < ARRAY_LEN (data) ; k++) |
| 44 | { unsigned char bytes [4] ; |
| 45 | float test ; |
| 46 | |
| 47 | float32_le_write (data [k], bytes) ; |
| 48 | test = float32_le_read (bytes) ; |
| 49 | |
| 50 | if (fabs (data [k] - test) > 1e-20) |
| 51 | { printf ("\n\nLine %d : Test %d, little endian error %.15g -> %.15g.\n\n", __LINE__, k, data [k], test ) ; |
| 52 | exit (1) ; |
| 53 | } ; |
| 54 | |
| 55 | float32_be_write (data [k], bytes) ; |
| 56 | test = float32_be_read (bytes) ; |
| 57 | |
| 58 | if (fabs (data [k] - test) > 1e-20) |
| 59 | { printf ("\n\nLine %d : Test %d, big endian error %.15g -> %.15g.\n\n", __LINE__, k, data [k], test) ; |
| 60 | exit (1) ; |
| 61 | } ; |
| 62 | |
| 63 | } ; |
| 64 | |
| 65 | puts ("ok") ; |
| 66 | } /* test_float_convert */ |
| 67 | |
| 68 | void |
| 69 | test_double_convert (void) |
| 70 | { static double data [] = |
| 71 | { 0.0, 1.0, -1.0, 1.0 * M_PI, -1.0 * M_PI, |
| 72 | 1e9, -1e9, 1e-9, -1e-9, 1e-10, -1e-10, |
| 73 | 1e-19, -1e-19, 1e19, -1e19, 1e-20, -1e-20, |
| 74 | } ; |
| 75 | |
| 76 | int k ; |
| 77 | |
| 78 | print_test_name (__func__) ; |
| 79 | |
| 80 | for (k = 0 ; k < ARRAY_LEN (data) ; k++) |
| 81 | { unsigned char bytes [8] ; |
| 82 | double test ; |
| 83 | |
| 84 | double64_le_write (data [k], bytes) ; |
| 85 | test = double64_le_read (bytes) ; |
| 86 | |
| 87 | if (fabs (data [k] - test) > 1e-20) |
| 88 | { printf ("\n\nLine %d : Test %d, little endian error %.15g -> %.15g.\n\n", __LINE__, k, data [k], test ) ; |
| 89 | exit (1) ; |
| 90 | } ; |
| 91 | |
| 92 | double64_be_write (data [k], bytes) ; |
| 93 | test = double64_be_read (bytes) ; |
| 94 | |
| 95 | if (fabs (data [k] - test) > 1e-20) |
| 96 | { printf ("\n\nLine %d : Test %d, big endian error %.15g -> %.15g.\n\n", __LINE__, k, data [k], test) ; |
| 97 | exit (1) ; |
| 98 | } ; |
| 99 | |
| 100 | } ; |
| 101 | |
| 102 | puts ("ok") ; |
| 103 | } /* test_double_convert */ |
| 104 | |