diff options
Diffstat (limited to 'lib_generic/bzlib_huffman.c')
| -rw-r--r-- | lib_generic/bzlib_huffman.c | 76 |
1 files changed, 38 insertions, 38 deletions
diff --git a/lib_generic/bzlib_huffman.c b/lib_generic/bzlib_huffman.c index 6cf336e..effae98 100644 --- a/lib_generic/bzlib_huffman.c +++ b/lib_generic/bzlib_huffman.c @@ -91,8 +91,8 @@ yy = zz << 1; \ if (yy > nHeap) break; \ if (yy < nHeap && \ - weight[heap[yy+1]] < weight[heap[yy]]) \ - yy++; \ + weight[heap[yy+1]] < weight[heap[yy]]) \ + yy++; \ if (weight[tmp] < weight[heap[yy]]) break; \ heap[zz] = heap[yy]; \ zz = yy; \ @@ -103,9 +103,9 @@ /*---------------------------------------------------*/ void BZ2_hbMakeCodeLengths ( UChar *len, - Int32 *freq, - Int32 alphaSize, - Int32 maxLen ) + Int32 *freq, + Int32 alphaSize, + Int32 maxLen ) { /*-- Nodes and heap entries run from 1. Entry 0 @@ -131,43 +131,43 @@ void BZ2_hbMakeCodeLengths ( UChar *len, parent[0] = -2; for (i = 1; i <= alphaSize; i++) { - parent[i] = -1; - nHeap++; - heap[nHeap] = i; - UPHEAP(nHeap); + parent[i] = -1; + nHeap++; + heap[nHeap] = i; + UPHEAP(nHeap); } AssertH( nHeap < (BZ_MAX_ALPHA_SIZE+2), 2001 ); while (nHeap > 1) { - n1 = heap[1]; heap[1] = heap[nHeap]; nHeap--; DOWNHEAP(1); - n2 = heap[1]; heap[1] = heap[nHeap]; nHeap--; DOWNHEAP(1); - nNodes++; - parent[n1] = parent[n2] = nNodes; - weight[nNodes] = ADDWEIGHTS(weight[n1], weight[n2]); - parent[nNodes] = -1; - nHeap++; - heap[nHeap] = nNodes; - UPHEAP(nHeap); + n1 = heap[1]; heap[1] = heap[nHeap]; nHeap--; DOWNHEAP(1); + n2 = heap[1]; heap[1] = heap[nHeap]; nHeap--; DOWNHEAP(1); + nNodes++; + parent[n1] = parent[n2] = nNodes; + weight[nNodes] = ADDWEIGHTS(weight[n1], weight[n2]); + parent[nNodes] = -1; + nHeap++; + heap[nHeap] = nNodes; + UPHEAP(nHeap); } AssertH( nNodes < (BZ_MAX_ALPHA_SIZE * 2), 2002 ); tooLong = False; for (i = 1; i <= alphaSize; i++) { - j = 0; - k = i; - while (parent[k] >= 0) { k = parent[k]; j++; } - len[i-1] = j; - if (j > maxLen) tooLong = True; + j = 0; + k = i; + while (parent[k] >= 0) { k = parent[k]; j++; } + len[i-1] = j; + if (j > maxLen) tooLong = True; } if (! tooLong) break; for (i = 1; i < alphaSize; i++) { - j = weight[i] >> 8; - j = 1 + (j / 2); - weight[i] = j << 8; + j = weight[i] >> 8; + j = 1 + (j / 2); + weight[i] = j << 8; } } } @@ -175,17 +175,17 @@ void BZ2_hbMakeCodeLengths ( UChar *len, /*---------------------------------------------------*/ void BZ2_hbAssignCodes ( Int32 *code, - UChar *length, - Int32 minLen, - Int32 maxLen, - Int32 alphaSize ) + UChar *length, + Int32 minLen, + Int32 maxLen, + Int32 alphaSize ) { Int32 n, vec, i; vec = 0; for (n = minLen; n <= maxLen; n++) { for (i = 0; i < alphaSize; i++) - if (length[i] == n) { code[i] = vec; vec++; }; + if (length[i] == n) { code[i] = vec; vec++; }; vec <<= 1; } } @@ -193,19 +193,19 @@ void BZ2_hbAssignCodes ( Int32 *code, /*---------------------------------------------------*/ void BZ2_hbCreateDecodeTables ( Int32 *limit, - Int32 *base, - Int32 *perm, - UChar *length, - Int32 minLen, - Int32 maxLen, - Int32 alphaSize ) + Int32 *base, + Int32 *perm, + UChar *length, + Int32 minLen, + Int32 maxLen, + Int32 alphaSize ) { Int32 pp, i, j, vec; pp = 0; for (i = minLen; i <= maxLen; i++) for (j = 0; j < alphaSize; j++) - if (length[j] == i) { perm[pp] = j; pp++; }; + if (length[j] == i) { perm[pp] = j; pp++; }; for (i = 0; i < BZ_MAX_CODE_LEN; i++) base[i] = 0; for (i = 0; i < alphaSize; i++) base[length[i]+1]++; |