105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/*
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** Copyright (C) 2006-2012 Erik de Castro Lopo <erikd@mega-nerd.com>
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU Lesser General Public License as published by
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** the Free Software Foundation; either version 2.1 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU Lesser General Public License for more details.
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**
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** You should have received a copy of the GNU Lesser General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "sfconfig.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <errno.h>
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#include <math.h>
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#include "common.h"
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#include "test_main.h"
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void
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test_float_convert (void)
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{ static float data [] =
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{ 0.0, 1.0, -1.0, 1.0 * M_PI, -1.0 * M_PI,
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1e9, -1e9, 1e-9, -1e-9, 1e-10, -1e-10,
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1e-19, -1e-19, 1e19, -1e19, 1e-20, -1e-20,
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} ;
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int k ;
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print_test_name (__func__) ;
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for (k = 0 ; k < ARRAY_LEN (data) ; k++)
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{ unsigned char bytes [4] ;
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float test ;
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float32_le_write (data [k], bytes) ;
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test = float32_le_read (bytes) ;
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if (fabs (data [k] - test) > 1e-20)
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{ printf ("\n\nLine %d : Test %d, little endian error %.15g -> %.15g.\n\n", __LINE__, k, data [k], test) ;
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exit (1) ;
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} ;
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float32_be_write (data [k], bytes) ;
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test = float32_be_read (bytes) ;
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if (fabs (data [k] - test) > 1e-20)
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{ printf ("\n\nLine %d : Test %d, big endian error %.15g -> %.15g.\n\n", __LINE__, k, data [k], test) ;
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exit (1) ;
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} ;
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} ;
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puts ("ok") ;
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} /* test_float_convert */
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void
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test_double_convert (void)
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{ static double data [] =
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{ 0.0, 1.0, -1.0, 1.0 * M_PI, -1.0 * M_PI,
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1e9, -1e9, 1e-9, -1e-9, 1e-10, -1e-10,
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1e-19, -1e-19, 1e19, -1e19, 1e-20, -1e-20,
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} ;
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int k ;
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print_test_name (__func__) ;
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for (k = 0 ; k < ARRAY_LEN (data) ; k++)
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{ unsigned char bytes [8] ;
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double test ;
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double64_le_write (data [k], bytes) ;
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test = double64_le_read (bytes) ;
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if (fabs (data [k] - test) > 1e-20)
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{ printf ("\n\nLine %d : Test %d, little endian error %.15g -> %.15g.\n\n", __LINE__, k, data [k], test) ;
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exit (1) ;
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} ;
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double64_be_write (data [k], bytes) ;
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test = double64_be_read (bytes) ;
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if (fabs (data [k] - test) > 1e-20)
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{ printf ("\n\nLine %d : Test %d, big endian error %.15g -> %.15g.\n\n", __LINE__, k, data [k], test) ;
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exit (1) ;
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} ;
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} ;
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puts ("ok") ;
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} /* test_double_convert */
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