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lightning-sunbird  0.9+nobinonly
Defines | Functions
compress.c File Reference
#include "bzlib_private.h"

Go to the source code of this file.

Defines

#define bsNEEDW(nz)
#define BZ_LESSER_ICOST   0
#define BZ_GREATER_ICOST   15
#define BZ_ITER(nn)
#define BZ_ITUR(nn)   s->rfreq[bt][ mtfv[gs+(nn)] ]++
#define BZ_ITAH(nn)

Functions

void BZ2_bsInitWrite (EState *s)
static void bsFinishWrite (EState *s)
static __inline__ void bsW (EState *s, Int32 n, UInt32 v)
static void bsPutUInt32 (EState *s, UInt32 u)
static void bsPutUChar (EState *s, UChar c)
static void makeMaps_e (EState *s)
static void generateMTFValues (EState *s)
static void sendMTFValues (EState *s)
void BZ2_compressBlock (EState *s, Bool is_last_block)

Define Documentation

#define bsNEEDW (   nz)
Value:
{                                             \
   while (s->bsLive >= 8) {                   \
      s->zbits[s->numZ]                       \
         = (UChar)(s->bsBuff >> 24);          \
      s->numZ++;                              \
      s->bsBuff <<= 8;                        \
      s->bsLive -= 8;                         \
   }                                          \
}

Definition at line 102 of file compress.c.

Definition at line 280 of file compress.c.

#define BZ_ITAH (   nn)
Value:
mtfv_i = mtfv[gs+(nn)];              \
               bsW ( s,                             \
                     s_len_sel_selCtr[mtfv_i],      \
                     s_code_sel_selCtr[mtfv_i] )
#define BZ_ITER (   nn)
Value:
icv = mtfv[gs+(nn)];           \
               cost01 += s->len_pack[icv][0]; \
               cost23 += s->len_pack[icv][1]; \
               cost45 += s->len_pack[icv][2]; \
#define BZ_ITUR (   nn)    s->rfreq[bt][ mtfv[gs+(nn)] ]++

Definition at line 279 of file compress.c.


Function Documentation

static void bsFinishWrite ( EState s) [static]

Definition at line 90 of file compress.c.

{
   while (s->bsLive > 0) {
      s->zbits[s->numZ] = (UChar)(s->bsBuff >> 24);
      s->numZ++;
      s->bsBuff <<= 8;
      s->bsLive -= 8;
   }
}

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static void bsPutUChar ( EState s,
UChar  c 
) [static]

Definition at line 138 of file compress.c.

{
   bsW( s, 8, (UInt32)c );
}

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static void bsPutUInt32 ( EState s,
UInt32  u 
) [static]

Definition at line 127 of file compress.c.

{
   bsW ( s, 8, (u >> 24) & 0xffL );
   bsW ( s, 8, (u >> 16) & 0xffL );
   bsW ( s, 8, (u >>  8) & 0xffL );
   bsW ( s, 8,  u        & 0xffL );
}

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static __inline__ void bsW ( EState s,
Int32  n,
UInt32  v 
) [static]

Definition at line 117 of file compress.c.

{
   bsNEEDW ( n );
   s->bsBuff |= (v << (32 - s->bsLive - n));
   s->bsLive += n;
}

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Definition at line 81 of file compress.c.

{
   s->bsLive = 0;
   s->bsBuff = 0;
}

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void BZ2_compressBlock ( EState s,
Bool  is_last_block 
)

Definition at line 646 of file compress.c.

{
   if (s->nblock > 0) {

      BZ_FINALISE_CRC ( s->blockCRC );
      s->combinedCRC = (s->combinedCRC << 1) | (s->combinedCRC >> 31);
      s->combinedCRC ^= s->blockCRC;
      if (s->blockNo > 1) s->numZ = 0;

      if (s->verbosity >= 2)
         VPrintf4( "    block %d: crc = 0x%08x, "
                   "combined CRC = 0x%08x, size = %d\n",
                   s->blockNo, s->blockCRC, s->combinedCRC, s->nblock );

      BZ2_blockSort ( s );
   }

   s->zbits = (UChar*) (&((UChar*)s->arr2)[s->nblock]);

   /*-- If this is the first block, create the stream header. --*/
   if (s->blockNo == 1) {
      BZ2_bsInitWrite ( s );
      bsPutUChar ( s, BZ_HDR_B );
      bsPutUChar ( s, BZ_HDR_Z );
      bsPutUChar ( s, BZ_HDR_h );
      bsPutUChar ( s, (UChar)(BZ_HDR_0 + s->blockSize100k) );
   }

   if (s->nblock > 0) {

      bsPutUChar ( s, 0x31 ); bsPutUChar ( s, 0x41 );
      bsPutUChar ( s, 0x59 ); bsPutUChar ( s, 0x26 );
      bsPutUChar ( s, 0x53 ); bsPutUChar ( s, 0x59 );

      /*-- Now the block's CRC, so it is in a known place. --*/
      bsPutUInt32 ( s, s->blockCRC );

      /*-- 
         Now a single bit indicating (non-)randomisation. 
         As of version 0.9.5, we use a better sorting algorithm
         which makes randomisation unnecessary.  So always set
         the randomised bit to 'no'.  Of course, the decoder
         still needs to be able to handle randomised blocks
         so as to maintain backwards compatibility with
         older versions of bzip2.
      --*/
      bsW(s,1,0);

      bsW ( s, 24, s->origPtr );
      generateMTFValues ( s );
      sendMTFValues ( s );
   }


   /*-- If this is the last block, add the stream trailer. --*/
   if (is_last_block) {

      bsPutUChar ( s, 0x17 ); bsPutUChar ( s, 0x72 );
      bsPutUChar ( s, 0x45 ); bsPutUChar ( s, 0x38 );
      bsPutUChar ( s, 0x50 ); bsPutUChar ( s, 0x90 );
      bsPutUInt32 ( s, s->combinedCRC );
      if (s->verbosity >= 2)
         VPrintf1( "    final combined CRC = 0x%08x\n   ", s->combinedCRC );
      bsFinishWrite ( s );
   }
}

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static void generateMTFValues ( EState s) [static]

Definition at line 164 of file compress.c.

{
   UChar   yy[256];
   Int32   i, j;
   Int32   zPend;
   Int32   wr;
   Int32   EOB;

   /* 
      After sorting (eg, here),
         s->arr1 [ 0 .. s->nblock-1 ] holds sorted order,
         and
         ((UChar*)s->arr2) [ 0 .. s->nblock-1 ] 
         holds the original block data.

      The first thing to do is generate the MTF values,
      and put them in
         ((UInt16*)s->arr1) [ 0 .. s->nblock-1 ].
      Because there are strictly fewer or equal MTF values
      than block values, ptr values in this area are overwritten
      with MTF values only when they are no longer needed.

      The final compressed bitstream is generated into the
      area starting at
         (UChar*) (&((UChar*)s->arr2)[s->nblock])

      These storage aliases are set up in bzCompressInit(),
      except for the last one, which is arranged in 
      compressBlock().
   */
   UInt32* ptr   = s->ptr;
   UChar* block  = s->block;
   UInt16* mtfv  = s->mtfv;

   makeMaps_e ( s );
   EOB = s->nInUse+1;

   for (i = 0; i <= EOB; i++) s->mtfFreq[i] = 0;

   wr = 0;
   zPend = 0;
   for (i = 0; i < s->nInUse; i++) yy[i] = (UChar) i;

   for (i = 0; i < s->nblock; i++) {
      UChar ll_i;
      AssertD ( wr <= i, "generateMTFValues(1)" );
      j = ptr[i]-1; if (j < 0) j += s->nblock;
      ll_i = s->unseqToSeq[block[j]];
      AssertD ( ll_i < s->nInUse, "generateMTFValues(2a)" );

      if (yy[0] == ll_i) { 
         zPend++;
      } else {

         if (zPend > 0) {
            zPend--;
            while (True) {
               if (zPend & 1) {
                  mtfv[wr] = BZ_RUNB; wr++; 
                  s->mtfFreq[BZ_RUNB]++; 
               } else {
                  mtfv[wr] = BZ_RUNA; wr++; 
                  s->mtfFreq[BZ_RUNA]++; 
               }
               if (zPend < 2) break;
               zPend = (zPend - 2) / 2;
            };
            zPend = 0;
         }
         {
            register UChar  rtmp;
            register UChar* ryy_j;
            register UChar  rll_i;
            rtmp  = yy[1];
            yy[1] = yy[0];
            ryy_j = &(yy[1]);
            rll_i = ll_i;
            while ( rll_i != rtmp ) {
               register UChar rtmp2;
               ryy_j++;
               rtmp2  = rtmp;
               rtmp   = *ryy_j;
               *ryy_j = rtmp2;
            };
            yy[0] = rtmp;
            j = ryy_j - &(yy[0]);
            mtfv[wr] = j+1; wr++; s->mtfFreq[j+1]++;
         }

      }
   }

   if (zPend > 0) {
      zPend--;
      while (True) {
         if (zPend & 1) {
            mtfv[wr] = BZ_RUNB; wr++; 
            s->mtfFreq[BZ_RUNB]++; 
         } else {
            mtfv[wr] = BZ_RUNA; wr++; 
            s->mtfFreq[BZ_RUNA]++; 
         }
         if (zPend < 2) break;
         zPend = (zPend - 2) / 2;
      };
      zPend = 0;
   }

   mtfv[wr] = EOB; wr++; s->mtfFreq[EOB]++;

   s->nMTF = wr;
}

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static void makeMaps_e ( EState s) [static]

Definition at line 150 of file compress.c.

{
   Int32 i;
   s->nInUse = 0;
   for (i = 0; i < 256; i++)
      if (s->inUse[i]) {
         s->unseqToSeq[i] = s->nInUse;
         s->nInUse++;
      }
}

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static void sendMTFValues ( EState s) [static]

Definition at line 283 of file compress.c.

{
   Int32 v, t, i, j, gs, ge, totc, bt, bc, iter;
   Int32 nSelectors, alphaSize, minLen, maxLen, selCtr;
   Int32 nGroups, nBytes;

   /*--
   UChar  len [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
   is a global since the decoder also needs it.

   Int32  code[BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
   Int32  rfreq[BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
   are also globals only used in this proc.
   Made global to keep stack frame size small.
   --*/


   UInt16 cost[BZ_N_GROUPS];
   Int32  fave[BZ_N_GROUPS];

   UInt16* mtfv = s->mtfv;

   if (s->verbosity >= 3)
      VPrintf3( "      %d in block, %d after MTF & 1-2 coding, "
                "%d+2 syms in use\n", 
                s->nblock, s->nMTF, s->nInUse );

   alphaSize = s->nInUse+2;
   for (t = 0; t < BZ_N_GROUPS; t++)
      for (v = 0; v < alphaSize; v++)
         s->len[t][v] = BZ_GREATER_ICOST;

   /*--- Decide how many coding tables to use ---*/
   AssertH ( s->nMTF > 0, 3001 );
   if (s->nMTF < 200)  nGroups = 2; else
   if (s->nMTF < 600)  nGroups = 3; else
   if (s->nMTF < 1200) nGroups = 4; else
   if (s->nMTF < 2400) nGroups = 5; else
                       nGroups = 6;

   /*--- Generate an initial set of coding tables ---*/
   { 
      Int32 nPart, remF, tFreq, aFreq;

      nPart = nGroups;
      remF  = s->nMTF;
      gs = 0;
      while (nPart > 0) {
         tFreq = remF / nPart;
         ge = gs-1;
         aFreq = 0;
         while (aFreq < tFreq && ge < alphaSize-1) {
            ge++;
            aFreq += s->mtfFreq[ge];
         }

         if (ge > gs 
             && nPart != nGroups && nPart != 1 
             && ((nGroups-nPart) % 2 == 1)) {
            aFreq -= s->mtfFreq[ge];
            ge--;
         }

         if (s->verbosity >= 3)
            VPrintf5( "      initial group %d, [%d .. %d], "
                      "has %d syms (%4.1f%%)\n",
                      nPart, gs, ge, aFreq, 
                      (100.0 * (float)aFreq) / (float)(s->nMTF) );
 
         for (v = 0; v < alphaSize; v++)
            if (v >= gs && v <= ge) 
               s->len[nPart-1][v] = BZ_LESSER_ICOST; else
               s->len[nPart-1][v] = BZ_GREATER_ICOST;
 
         nPart--;
         gs = ge+1;
         remF -= aFreq;
      }
   }

   /*--- 
      Iterate up to BZ_N_ITERS times to improve the tables.
   ---*/
   for (iter = 0; iter < BZ_N_ITERS; iter++) {

      for (t = 0; t < nGroups; t++) fave[t] = 0;

      for (t = 0; t < nGroups; t++)
         for (v = 0; v < alphaSize; v++)
            s->rfreq[t][v] = 0;

      /*---
        Set up an auxiliary length table which is used to fast-track
       the common case (nGroups == 6). 
      ---*/
      if (nGroups == 6) {
         for (v = 0; v < alphaSize; v++) {
            s->len_pack[v][0] = (s->len[1][v] << 16) | s->len[0][v];
            s->len_pack[v][1] = (s->len[3][v] << 16) | s->len[2][v];
            s->len_pack[v][2] = (s->len[5][v] << 16) | s->len[4][v];
        }
      }

      nSelectors = 0;
      totc = 0;
      gs = 0;
      while (True) {

         /*--- Set group start & end marks. --*/
         if (gs >= s->nMTF) break;
         ge = gs + BZ_G_SIZE - 1; 
         if (ge >= s->nMTF) ge = s->nMTF-1;

         /*-- 
            Calculate the cost of this group as coded
            by each of the coding tables.
         --*/
         for (t = 0; t < nGroups; t++) cost[t] = 0;

         if (nGroups == 6 && 50 == ge-gs+1) {
            /*--- fast track the common case ---*/
            register UInt32 cost01, cost23, cost45;
            register UInt16 icv;
            cost01 = cost23 = cost45 = 0;

#           define BZ_ITER(nn)                \
               icv = mtfv[gs+(nn)];           \
               cost01 += s->len_pack[icv][0]; \
               cost23 += s->len_pack[icv][1]; \
               cost45 += s->len_pack[icv][2]; \

            BZ_ITER(0);  BZ_ITER(1);  BZ_ITER(2);  BZ_ITER(3);  BZ_ITER(4);
            BZ_ITER(5);  BZ_ITER(6);  BZ_ITER(7);  BZ_ITER(8);  BZ_ITER(9);
            BZ_ITER(10); BZ_ITER(11); BZ_ITER(12); BZ_ITER(13); BZ_ITER(14);
            BZ_ITER(15); BZ_ITER(16); BZ_ITER(17); BZ_ITER(18); BZ_ITER(19);
            BZ_ITER(20); BZ_ITER(21); BZ_ITER(22); BZ_ITER(23); BZ_ITER(24);
            BZ_ITER(25); BZ_ITER(26); BZ_ITER(27); BZ_ITER(28); BZ_ITER(29);
            BZ_ITER(30); BZ_ITER(31); BZ_ITER(32); BZ_ITER(33); BZ_ITER(34);
            BZ_ITER(35); BZ_ITER(36); BZ_ITER(37); BZ_ITER(38); BZ_ITER(39);
            BZ_ITER(40); BZ_ITER(41); BZ_ITER(42); BZ_ITER(43); BZ_ITER(44);
            BZ_ITER(45); BZ_ITER(46); BZ_ITER(47); BZ_ITER(48); BZ_ITER(49);

#           undef BZ_ITER

            cost[0] = cost01 & 0xffff; cost[1] = cost01 >> 16;
            cost[2] = cost23 & 0xffff; cost[3] = cost23 >> 16;
            cost[4] = cost45 & 0xffff; cost[5] = cost45 >> 16;

         } else {
           /*--- slow version which correctly handles all situations ---*/
            for (i = gs; i <= ge; i++) { 
               UInt16 icv = mtfv[i];
               for (t = 0; t < nGroups; t++) cost[t] += s->len[t][icv];
            }
         }
 
         /*-- 
            Find the coding table which is best for this group,
            and record its identity in the selector table.
         --*/
         bc = 999999999; bt = -1;
         for (t = 0; t < nGroups; t++)
            if (cost[t] < bc) { bc = cost[t]; bt = t; };
         totc += bc;
         fave[bt]++;
         s->selector[nSelectors] = bt;
         nSelectors++;

         /*-- 
            Increment the symbol frequencies for the selected table.
          --*/
         if (nGroups == 6 && 50 == ge-gs+1) {
            /*--- fast track the common case ---*/

#           define BZ_ITUR(nn) s->rfreq[bt][ mtfv[gs+(nn)] ]++

            BZ_ITUR(0);  BZ_ITUR(1);  BZ_ITUR(2);  BZ_ITUR(3);  BZ_ITUR(4);
            BZ_ITUR(5);  BZ_ITUR(6);  BZ_ITUR(7);  BZ_ITUR(8);  BZ_ITUR(9);
            BZ_ITUR(10); BZ_ITUR(11); BZ_ITUR(12); BZ_ITUR(13); BZ_ITUR(14);
            BZ_ITUR(15); BZ_ITUR(16); BZ_ITUR(17); BZ_ITUR(18); BZ_ITUR(19);
            BZ_ITUR(20); BZ_ITUR(21); BZ_ITUR(22); BZ_ITUR(23); BZ_ITUR(24);
            BZ_ITUR(25); BZ_ITUR(26); BZ_ITUR(27); BZ_ITUR(28); BZ_ITUR(29);
            BZ_ITUR(30); BZ_ITUR(31); BZ_ITUR(32); BZ_ITUR(33); BZ_ITUR(34);
            BZ_ITUR(35); BZ_ITUR(36); BZ_ITUR(37); BZ_ITUR(38); BZ_ITUR(39);
            BZ_ITUR(40); BZ_ITUR(41); BZ_ITUR(42); BZ_ITUR(43); BZ_ITUR(44);
            BZ_ITUR(45); BZ_ITUR(46); BZ_ITUR(47); BZ_ITUR(48); BZ_ITUR(49);

#           undef BZ_ITUR

         } else {
           /*--- slow version which correctly handles all situations ---*/
            for (i = gs; i <= ge; i++)
               s->rfreq[bt][ mtfv[i] ]++;
         }

         gs = ge+1;
      }
      if (s->verbosity >= 3) {
         VPrintf2 ( "      pass %d: size is %d, grp uses are ", 
                   iter+1, totc/8 );
         for (t = 0; t < nGroups; t++)
            VPrintf1 ( "%d ", fave[t] );
         VPrintf0 ( "\n" );
      }

      /*--
        Recompute the tables based on the accumulated frequencies.
      --*/
      /* maxLen was changed from 20 to 17 in bzip2-1.0.3.  See 
         comment in huffman.c for details. */
      for (t = 0; t < nGroups; t++)
         BZ2_hbMakeCodeLengths ( &(s->len[t][0]), &(s->rfreq[t][0]), 
                                 alphaSize, 17 /*20*/ );
   }


   AssertH( nGroups < 8, 3002 );
   AssertH( nSelectors < 32768 &&
            nSelectors <= (2 + (900000 / BZ_G_SIZE)),
            3003 );


   /*--- Compute MTF values for the selectors. ---*/
   {
      UChar pos[BZ_N_GROUPS], ll_i, tmp2, tmp;
      for (i = 0; i < nGroups; i++) pos[i] = i;
      for (i = 0; i < nSelectors; i++) {
         ll_i = s->selector[i];
         j = 0;
         tmp = pos[j];
         while ( ll_i != tmp ) {
            j++;
            tmp2 = tmp;
            tmp = pos[j];
            pos[j] = tmp2;
         };
         pos[0] = tmp;
         s->selectorMtf[i] = j;
      }
   };

   /*--- Assign actual codes for the tables. --*/
   for (t = 0; t < nGroups; t++) {
      minLen = 32;
      maxLen = 0;
      for (i = 0; i < alphaSize; i++) {
         if (s->len[t][i] > maxLen) maxLen = s->len[t][i];
         if (s->len[t][i] < minLen) minLen = s->len[t][i];
      }
      AssertH ( !(maxLen > 17 /*20*/ ), 3004 );
      AssertH ( !(minLen < 1),  3005 );
      BZ2_hbAssignCodes ( &(s->code[t][0]), &(s->len[t][0]), 
                          minLen, maxLen, alphaSize );
   }

   /*--- Transmit the mapping table. ---*/
   { 
      Bool inUse16[16];
      for (i = 0; i < 16; i++) {
          inUse16[i] = False;
          for (j = 0; j < 16; j++)
             if (s->inUse[i * 16 + j]) inUse16[i] = True;
      }
     
      nBytes = s->numZ;
      for (i = 0; i < 16; i++)
         if (inUse16[i]) bsW(s,1,1); else bsW(s,1,0);

      for (i = 0; i < 16; i++)
         if (inUse16[i])
            for (j = 0; j < 16; j++) {
               if (s->inUse[i * 16 + j]) bsW(s,1,1); else bsW(s,1,0);
            }

      if (s->verbosity >= 3) 
         VPrintf1( "      bytes: mapping %d, ", s->numZ-nBytes );
   }

   /*--- Now the selectors. ---*/
   nBytes = s->numZ;
   bsW ( s, 3, nGroups );
   bsW ( s, 15, nSelectors );
   for (i = 0; i < nSelectors; i++) { 
      for (j = 0; j < s->selectorMtf[i]; j++) bsW(s,1,1);
      bsW(s,1,0);
   }
   if (s->verbosity >= 3)
      VPrintf1( "selectors %d, ", s->numZ-nBytes );

   /*--- Now the coding tables. ---*/
   nBytes = s->numZ;

   for (t = 0; t < nGroups; t++) {
      Int32 curr = s->len[t][0];
      bsW ( s, 5, curr );
      for (i = 0; i < alphaSize; i++) {
         while (curr < s->len[t][i]) { bsW(s,2,2); curr++; /* 10 */ };
         while (curr > s->len[t][i]) { bsW(s,2,3); curr--; /* 11 */ };
         bsW ( s, 1, 0 );
      }
   }

   if (s->verbosity >= 3)
      VPrintf1 ( "code lengths %d, ", s->numZ-nBytes );

   /*--- And finally, the block data proper ---*/
   nBytes = s->numZ;
   selCtr = 0;
   gs = 0;
   while (True) {
      if (gs >= s->nMTF) break;
      ge = gs + BZ_G_SIZE - 1; 
      if (ge >= s->nMTF) ge = s->nMTF-1;
      AssertH ( s->selector[selCtr] < nGroups, 3006 );

      if (nGroups == 6 && 50 == ge-gs+1) {
            /*--- fast track the common case ---*/
            UInt16 mtfv_i;
            UChar* s_len_sel_selCtr 
               = &(s->len[s->selector[selCtr]][0]);
            Int32* s_code_sel_selCtr
               = &(s->code[s->selector[selCtr]][0]);

#           define BZ_ITAH(nn)                      \
               mtfv_i = mtfv[gs+(nn)];              \
               bsW ( s,                             \
                     s_len_sel_selCtr[mtfv_i],      \
                     s_code_sel_selCtr[mtfv_i] )

            BZ_ITAH(0);  BZ_ITAH(1);  BZ_ITAH(2);  BZ_ITAH(3);  BZ_ITAH(4);
            BZ_ITAH(5);  BZ_ITAH(6);  BZ_ITAH(7);  BZ_ITAH(8);  BZ_ITAH(9);
            BZ_ITAH(10); BZ_ITAH(11); BZ_ITAH(12); BZ_ITAH(13); BZ_ITAH(14);
            BZ_ITAH(15); BZ_ITAH(16); BZ_ITAH(17); BZ_ITAH(18); BZ_ITAH(19);
            BZ_ITAH(20); BZ_ITAH(21); BZ_ITAH(22); BZ_ITAH(23); BZ_ITAH(24);
            BZ_ITAH(25); BZ_ITAH(26); BZ_ITAH(27); BZ_ITAH(28); BZ_ITAH(29);
            BZ_ITAH(30); BZ_ITAH(31); BZ_ITAH(32); BZ_ITAH(33); BZ_ITAH(34);
            BZ_ITAH(35); BZ_ITAH(36); BZ_ITAH(37); BZ_ITAH(38); BZ_ITAH(39);
            BZ_ITAH(40); BZ_ITAH(41); BZ_ITAH(42); BZ_ITAH(43); BZ_ITAH(44);
            BZ_ITAH(45); BZ_ITAH(46); BZ_ITAH(47); BZ_ITAH(48); BZ_ITAH(49);

#           undef BZ_ITAH

      } else {
        /*--- slow version which correctly handles all situations ---*/
         for (i = gs; i <= ge; i++) {
            bsW ( s, 
                  s->len  [s->selector[selCtr]] [mtfv[i]],
                  s->code [s->selector[selCtr]] [mtfv[i]] );
         }
      }


      gs = ge+1;
      selCtr++;
   }
   AssertH( selCtr == nSelectors, 3007 );

   if (s->verbosity >= 3)
      VPrintf1( "codes %d\n", s->numZ-nBytes );
}

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