func: static void compute_antialias_float(MPADecodeContext *s,
  
                                GranuleDef *g)
  
  {
  
      float *ptr;
  
      int n, i;
  
  
  
      /* we antialias only "long" bands */
  
      if (g->block_type == 2) {
  
          if (!g->switch_point)
  
              return;
  
          /* XXX: check this for 8000Hz case */
  
          n = 1;
  
      } else {
  
          n = SBLIMIT - 1;
  
      }
  
  
  
      ptr = g->sb_hybrid + 18;
  
      for(i = n;i > 0;i--) {
  
          float tmp0, tmp1;
  
          float *csa = &csa_table_float[0][0];
  
  #define FLOAT_AA(j)\
  
          tmp0= ptr[-1-j];\
  
          tmp1= ptr[   j];\
  
          ptr[-1-j] = tmp0 * csa[0+4*j] - tmp1 * csa[1+4*j];\
  
          ptr[   j] = tmp0 * csa[1+4*j] + tmp1 * csa[0+4*j];
  
  
  
          FLOAT_AA(0)
  
          FLOAT_AA(1)
  
          FLOAT_AA(2)
  
          FLOAT_AA(3)
  
          FLOAT_AA(4)
  
          FLOAT_AA(5)
  
          FLOAT_AA(6)
  
          FLOAT_AA(7)
  
  
  
          ptr += 18;
  
      }
  
  }
  