diff options
Diffstat (limited to 'src/liblzma/rangecoder/price_table_init.c')
| -rw-r--r-- | src/liblzma/rangecoder/price_table_init.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/src/liblzma/rangecoder/price_table_init.c b/src/liblzma/rangecoder/price_table_init.c deleted file mode 100644 index 9c7d799b..00000000 --- a/src/liblzma/rangecoder/price_table_init.c +++ /dev/null @@ -1,55 +0,0 @@ -/////////////////////////////////////////////////////////////////////////////// -// -/// \file price_table_init.c -/// \brief Static initializations for the range encoder's prices array -// -// Copyright (C) 1999-2006 Igor Pavlov -// Copyright (C) 2007 Lasse Collin -// -// This library is free software; you can redistribute it and/or -// modify it under the terms of the GNU Lesser General Public -// License as published by the Free Software Foundation; either -// version 2.1 of the License, or (at your option) any later version. -// -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -// Lesser General Public License for more details. -// -/////////////////////////////////////////////////////////////////////////////// - -#ifdef HAVE_CONFIG_H -# include "range_encoder.h" -#endif - - -uint32_t lzma_rc_prices[RC_PRICE_TABLE_SIZE]; - - -extern void -lzma_rc_init(void) -{ - for (uint32_t i = (UINT32_C(1) << RC_MOVE_REDUCING_BITS) / 2; - i < RC_BIT_MODEL_TOTAL; - i += (UINT32_C(1) << RC_MOVE_REDUCING_BITS)) { - const uint32_t cycles_bits = RC_BIT_PRICE_SHIFT_BITS; - uint32_t w = i; - uint32_t bit_count = 0; - - for (uint32_t j = 0; j < cycles_bits; ++j) { - w *= w; - bit_count <<= 1; - - while (w >= (UINT32_C(1) << 16)) { - w >>= 1; - ++bit_count; - } - } - - lzma_rc_prices[i >> RC_MOVE_REDUCING_BITS] - = (RC_BIT_MODEL_TOTAL_BITS << cycles_bits) - - 15 - bit_count; - } - - return; -} |