RomTr.cpp

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/** \file     RomNSST.cpp
    \brief    Transformations
*/

#include "Rom.h"


// DCT-2
#define DEFINE_DCT2_P2_MATRIX(a) \
{ \
  {a,  a}, \
  {a, -a}  \
}

#define DEFINE_DCT2_P4_MATRIX(a,b,c) \
{ \
  { a,  a,  a,  a}, \
  { b,  c, -c, -b}, \
  { a, -a, -a,  a}, \
  { c, -b,  b, -c}  \
}

#define DEFINE_DCT2_P8_MATRIX(a,b,c,d,e,f,g) \
{ \
  { a,  a,  a,  a,  a,  a,  a,  a}, \
  { d,  e,  f,  g, -g, -f, -e, -d}, \
  { b,  c, -c, -b, -b, -c,  c,  b}, \
  { e, -g, -d, -f,  f,  d,  g, -e}, \
  { a, -a, -a,  a,  a, -a, -a,  a}, \
  { f, -d,  g,  e, -e, -g,  d, -f}, \
  { c, -b,  b, -c, -c,  b, -b,  c}, \
  { g, -f,  e, -d,  d, -e,  f, -g}  \
}

#define DEFINE_DCT2_P16_MATRIX(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o) \
{ \
  { a,  a,  a,  a,  a,  a,  a,  a,  a,  a,  a,  a,  a,  a,  a,  a}, \