X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=libcds%2Fsrc%2Fcoders%2Fhuffman_codes.cpp;fp=libcds%2Fsrc%2Fcoders%2Fhuffman_codes.cpp;h=a3ccf1ab8e202b77e273e53a744e805d87f36256;hb=4bd816265ae88b4e1631634260384baa559f8967;hp=8bffa69a97e2291aa9e7e966024660eba6e30c3e;hpb=9dced5087c7c68760989cacd8bb6355099309ac0;p=SXSI%2FXMLTree.git

diff --git a/libcds/src/coders/huffman_codes.cpp b/libcds/src/coders/huffman_codes.cpp
index 8bffa69..a3ccf1a 100644
--- a/libcds/src/coders/huffman_codes.cpp
+++ b/libcds/src/coders/huffman_codes.cpp
@@ -34,6 +34,19 @@ huffman_codes::huffman_codes(uint * symb, uint n) {
   delete [] occ;
 }
 
+huffman_codes::huffman_codes(uchar * symb, uint n) {
+  uchar max_v = 0;
+  for(uint i=0;i<n;i++)
+    max_v = max(max_v,symb[i]);
+  uint * occ = new uint[max_v+1];
+  for(uint i=0;i<max_v+1;i++)
+    occ[i] = 0;
+  for(uint i=0;i<n;i++)
+    occ[symb[i]]++;
+  huff_table = createHuff(occ, max_v);
+  delete [] occ;
+}
+
 huffman_codes::huffman_codes() {
 }