libsndfile compiling.

[Faustine.git] / interpretor / lib / src / libsndfile-1.0.25 / src / test_float.c

diff --git a/interpretor/lib/src/libsndfile-1.0.25/src/test_float.c b/interpretor/lib/src/libsndfile-1.0.25/src/test_float.c
new file mode 100644 (file)
index 0000000..9d0b09d
--- /dev/null
+++ b/interpretor/lib/src/libsndfile-1.0.25/src/test_float.c
@@ -0,0 +1,104 @@
+/*
+** Copyright (C) 2006-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
+**
+** 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <math.h>
+
+#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 */
+