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huffman set frequency Priorities

This commit is contained in:
Christoph J. Scherr 2022-11-27 02:28:49 +01:00
parent 131b42fcc4
commit 9457ec3672
1 changed files with 14 additions and 8 deletions
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22
huffman/huffman.c
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@ -256,16 +256,22 @@ int main(int argc, char *argv[]) {
} }
} }
if(debug){ // print refs in debug if(debug){ // print refs in debug
printf("sorted reference values:\n"); printf("sorted reference values:\n");
for (int i = 0; i < 256 - 1; i++){ for (int i = 0; i < 256 - 1; i++){
if(i%4==0) if(i%4==0)
printf("\n"); printf("\n");
printf("ref: %d \tfreq: %0.02f\t", refs[i], nodes[refs[i]].frequencyRaw); printf("ref: %d \tfreq: %0.02f\t", refs[i], nodes[refs[i]].frequencyRaw);
// FIXME doesnt work for all zeros? // FIXME doesnt work for all zeros?
}
printf("\n");
} }
printf("\n"); for (int i = 0; i < 256 - 1; i++){ // set frequencyPriorities from sorted refs
// FIXME nodes with the exact same frequency should have the same priority.
// frequenciesPrority: lower is more frequent.
nodes[refs[i]].frequencyPriority = i;
} }
free(refs); // TODO rename refs array and keep until actually no longer needed.
//free(refs);
// TODO build tree using Heaps // TODO build tree using Heaps
// TODO write Tree and compression to file // TODO write Tree and compression to file