| /* Copyright 2013 Google Inc. All Rights Reserved. | |
| Distributed under MIT license. | |
| See file LICENSE for detail or copy at https://opensource.org/licenses/MIT | |
| */ | |
| /* Functions to estimate the bit cost of Huffman trees. */ | |
| #ifndef BROTLI_ENC_BIT_COST_H_ | |
| #define BROTLI_ENC_BIT_COST_H_ | |
| #include "../common/platform.h" | |
| #include "histogram.h" | |
| #if defined(__cplusplus) || defined(c_plusplus) | |
| extern "C" { | |
| #endif | |
| BROTLI_INTERNAL double BrotliBitsEntropy( | |
| const uint32_t* population, size_t size); | |
| BROTLI_INTERNAL double BrotliPopulationCostLiteral( | |
| const HistogramLiteral* histogram); | |
| BROTLI_INTERNAL double BrotliPopulationCostCommand( | |
| const HistogramCommand* histogram); | |
| BROTLI_INTERNAL double BrotliPopulationCostDistance( | |
| const HistogramDistance* histogram); | |
| #if defined(__cplusplus) || defined(c_plusplus) | |
| } /* extern "C" */ | |
| #endif | |
| #endif /* BROTLI_ENC_BIT_COST_H_ */ |