1 files changed, 0 insertions, 89 deletions
diff --git a/contrib/vorbis/lib/scales.h b/contrib/vorbis/lib/scales.h
deleted file mode 100644
index 18bc4e7..0000000
--- a/contrib/vorbis/lib/scales.h
+++ /dev/null
@@ -1,89 +0,0 @@
-/********************************************************************
- *                                                                  *
- * THIS FILE IS PART OF THE OggVorbis SOFTWARE 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 SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
- * by the Xiph.Org Foundation http://www.xiph.org/                  *
- *                                                                  *
- ********************************************************************
-
- function: linear scale -> dB, Bark and Mel scales
-
- ********************************************************************/
-
-#ifndef _V_SCALES_H_
-#define _V_SCALES_H_
-
-#include <math.h>
-#include "os.h"
-
-#ifdef _MSC_VER
-/* MS Visual Studio doesn't have C99 inline keyword. */
-#define inline __inline
-#endif
-
-/* 20log10(x) */
-#define VORBIS_IEEE_FLOAT32 1
-#ifdef VORBIS_IEEE_FLOAT32
-
-static inline float unitnorm(float x){
-  union {
-    ogg_uint32_t i;
-    float f;
-  } ix;
-  ix.f = x;
-  ix.i = (ix.i & 0x80000000U) | (0x3f800000U);
-  return ix.f;
-}
-
-/* Segher was off (too high) by ~ .3 decibel.  Center the conversion correctly. */
-static inline float todB(const float *x){
-  union {
-    ogg_uint32_t i;
-    float f;
-  } ix;
-  ix.f = *x;
-  ix.i = ix.i&0x7fffffff;
-  return (float)(ix.i * 7.17711438e-7f -764.6161886f);
-}
-
-#define todB_nn(x) todB(x)
-
-#else
-
-static float unitnorm(float x){
-  if(x<0)return(-1.f);
-  return(1.f);
-}
-
-#define todB(x)   (*(x)==0?-400.f:log(*(x)**(x))*4.34294480f)
-#define todB_nn(x)   (*(x)==0.f?-400.f:log(*(x))*8.6858896f)
-
-#endif
-
-#define fromdB(x) (exp((x)*.11512925f))
-
-/* The bark scale equations are approximations, since the original
-   table was somewhat hand rolled.  The below are chosen to have the
-   best possible fit to the rolled tables, thus their somewhat odd
-   appearance (these are more accurate and over a longer range than
-   the oft-quoted bark equations found in the texts I have).  The
-   approximations are valid from 0 - 30kHz (nyquist) or so.
-
-   all f in Hz, z in Bark */
-
-#define toBARK(n)   (13.1f*atan(.00074f*(n))+2.24f*atan((n)*(n)*1.85e-8f)+1e-4f*(n))
-#define fromBARK(z) (102.f*(z)-2.f*pow(z,2.f)+.4f*pow(z,3.f)+pow(1.46f,z)-1.f)
-#define toMEL(n)    (log(1.f+(n)*.001f)*1442.695f)
-#define fromMEL(m)  (1000.f*exp((m)/1442.695f)-1000.f)
-
-/* Frequency to octave.  We arbitrarily declare 63.5 Hz to be octave
-   0.0 */
-
-#define toOC(n)     (log(n)*1.442695f-5.965784f)
-#define fromOC(o)   (exp(((o)+5.965784f)*.693147f))
-
-#endif