Create a branch to merge Tremolo optimisations into

git-svn-id: https://svn.xiph.org/branches/lowmem-branch/Tremolo@17216 0101bb08-14d6-0310-b084-bc0e0c8e3800

1 files changed, 62 insertions, 0 deletions

diff --git a/os.h b/os.h
new file mode 100644
index 0000000..65a4992
--- /dev/null
+++ b/os.h
@@ -0,0 +1,62 @@
+#ifndef _OS_H
+#define _OS_H
+/********************************************************************
+ *                                                                  *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE.   *
+ *                                                                  *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
+ *                                                                  *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002    *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/                  *
+ *                                                                  *
+ ********************************************************************
+
+ function: #ifdef jail to whip a few platforms into the UNIX ideal.
+
+ ********************************************************************/
+
+#include <math.h>
+#include "os_types.h"
+
+#ifndef _V_IFDEFJAIL_H_
+#  define _V_IFDEFJAIL_H_
+
+#  ifdef __GNUC__
+#    define STIN static __inline__
+#  elif _WIN32
+#    define STIN static __inline
+#  endif
+#else
+#  define STIN static
+#endif
+
+#ifndef M_PI
+#  define M_PI (3.1415926536f)
+#endif
+
+#ifdef _WIN32
+#  include <malloc.h>
+#  define rint(x)   (floor((x)+0.5f)) 
+#  define NO_FLOAT_MATH_LIB
+#  define FAST_HYPOT(a, b) sqrt((a)*(a) + (b)*(b))
+#endif
+
+#ifdef HAVE_ALLOCA_H
+#  include <alloca.h>
+#endif
+
+#ifdef USE_MEMORY_H
+#  include <memory.h>
+#endif
+
+#ifndef min
+#  define min(x,y)  ((x)>(y)?(y):(x))
+#endif
+
+#ifndef max
+#  define max(x,y)  ((x)<(y)?(y):(x))
+#endif
+
+#endif /* _OS_H */