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Removes unused functions from cwrs.c

--- a/libcelt/cwrs.c

+++ b/libcelt/cwrs.c

@@ -250,11 +250,6 @@

   }*/

 #ifndef SMALL_FOOTPRINT

-/*Compute V(1,_k).*/

-static inline unsigned ncwrs1(int _k){

-  return _k?2:1;

-}

-

 /*Compute U(2,_k).

   Note that this may be called with _k=32768 (maxK[2]+1).*/

 static inline unsigned ucwrs2(unsigned _k){

@@ -287,16 +282,6 @@

   return _k?((_k*(opus_uint32)_k+2)*_k)/3<<3:1;

 }

-/*Compute U(5,_k).*/

-static inline opus_uint32 ucwrs5(int _k){

-  return _k?(((((_k-2)*(unsigned)_k+5)*(opus_uint32)_k-4)*_k)/3<<1)+1:0;

-}

-

-/*Compute V(5,_k).*/

-static inline opus_uint32 ncwrs5(int _k){

-  return _k?(((_k*(unsigned)_k+5)*(opus_uint32)_k*_k)/3<<2)+2:1;

-}

-

 #endif /* SMALL_FOOTPRINT */

 /*Computes the next row/column of any recurrence that obeys the relation

@@ -544,20 +529,6 @@

   return i;

 }

-/*Returns the index of the given combination of K elements chosen from a set

-   of size 5 with associated sign bits.

-  _y: The vector of pulses, whose sum of absolute values is K.

-  _k: Returns K.*/

-static inline opus_uint32 icwrs5(const int *_y,int *_k){

-  opus_uint32 i;

-  int           k;

-  i=icwrs4(_y+1,&k);

-  i+=ucwrs5(k);

-  k+=abs(_y[0]);

-  if(_y[0]<0)i+=ucwrs5(k+1);

-  *_k=k;

-  return i;

-}

 #endif /* SMALL_FOOTPRINT */

 /*Returns the index of the given combination of K elements chosen from a set