/* 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_ */