/* ** Copyright (C) 2006-2011 Erik de Castro Lopo ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU Lesser General Public License as published by ** the Free Software Foundation; either version 2.1 of the License, or ** (at your option) any later version. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU Lesser General Public License for more details. ** ** You should have received a copy of the GNU Lesser General Public License ** along with this program; if not, write to the Free Software ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "sfconfig.h" #include #include #include #include #include #include #include "common.h" #include "test_main.h" void test_float_convert (void) { static float data [] = { 0.0, 1.0, -1.0, 1.0 * M_PI, -1.0 * M_PI, 1e9, -1e9, 1e-9, -1e-9, 1e-10, -1e-10, 1e-19, -1e-19, 1e19, -1e19, 1e-20, -1e-20, } ; int k ; print_test_name (__func__) ; for (k = 0 ; k < ARRAY_LEN (data) ; k++) { unsigned char bytes [4] ; float test ; float32_le_write (data [k], bytes) ; test = float32_le_read (bytes) ; if (fabs (data [k] - test) > 1e-20) { printf ("\n\nLine %d : Test %d, little endian error %.15g -> %.15g.\n\n", __LINE__, k, data [k], test ) ; exit (1) ; } ; float32_be_write (data [k], bytes) ; test = float32_be_read (bytes) ; if (fabs (data [k] - test) > 1e-20) { printf ("\n\nLine %d : Test %d, big endian error %.15g -> %.15g.\n\n", __LINE__, k, data [k], test) ; exit (1) ; } ; } ; puts ("ok") ; } /* test_float_convert */ void test_double_convert (void) { static double data [] = { 0.0, 1.0, -1.0, 1.0 * M_PI, -1.0 * M_PI, 1e9, -1e9, 1e-9, -1e-9, 1e-10, -1e-10, 1e-19, -1e-19, 1e19, -1e19, 1e-20, -1e-20, } ; int k ; print_test_name (__func__) ; for (k = 0 ; k < ARRAY_LEN (data) ; k++) { unsigned char bytes [8] ; double test ; double64_le_write (data [k], bytes) ; test = double64_le_read (bytes) ; if (fabs (data [k] - test) > 1e-20) { printf ("\n\nLine %d : Test %d, little endian error %.15g -> %.15g.\n\n", __LINE__, k, data [k], test ) ; exit (1) ; } ; double64_be_write (data [k], bytes) ; test = double64_be_read (bytes) ; if (fabs (data [k] - test) > 1e-20) { printf ("\n\nLine %d : Test %d, big endian error %.15g -> %.15g.\n\n", __LINE__, k, data [k], test) ; exit (1) ; } ; } ; puts ("ok") ; } /* test_double_convert */