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-rw-r--r--encoder_base.h52
1 files changed, 26 insertions, 26 deletions
diff --git a/encoder_base.h b/encoder_base.h
index 4c1962f..9d45565 100644
--- a/encoder_base.h
+++ b/encoder_base.h
@@ -1,18 +1,18 @@
-/* Lzip - LZMA lossless data compressor
- Copyright (C) 2008-2019 Antonio Diaz Diaz.
+/* Lzip - LZMA lossless data compressor
+ Copyright (C) 2008-2021 Antonio Diaz Diaz.
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 2 of the License, or
- (at your option) any later version.
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 2 of the License, or
+ (at your option) any later version.
- This program 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 General Public License for more details.
+ This program 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 General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
enum { price_shift_bits = 6,
@@ -137,7 +137,7 @@ inline int price_symbol_reversed( const Bit_model bm[], int symbol,
const bool bit = symbol & 1;
symbol >>= 1;
price += price_bit( bm[model], bit );
- model = ( model << 1 ) | bit;
+ model <<= 1; model |= bit;
}
return price;
}
@@ -315,27 +315,27 @@ public:
void encode_tree3( Bit_model bm[], const int symbol )
{
- int model = 1;
bool bit = ( symbol >> 2 ) & 1;
- encode_bit( bm[model], bit ); model = ( model << 1 ) | bit;
+ encode_bit( bm[1], bit );
+ int model = 2 | bit;
bit = ( symbol >> 1 ) & 1;
- encode_bit( bm[model], bit ); model = ( model << 1 ) | bit;
+ encode_bit( bm[model], bit ); model <<= 1; model |= bit;
encode_bit( bm[model], symbol & 1 );
}
void encode_tree6( Bit_model bm[], const unsigned symbol )
{
- int model = 1;
bool bit = ( symbol >> 5 ) & 1;
- encode_bit( bm[model], bit ); model = ( model << 1 ) | bit;
+ encode_bit( bm[1], bit );
+ int model = 2 | bit;
bit = ( symbol >> 4 ) & 1;
- encode_bit( bm[model], bit ); model = ( model << 1 ) | bit;
+ encode_bit( bm[model], bit ); model <<= 1; model |= bit;
bit = ( symbol >> 3 ) & 1;
- encode_bit( bm[model], bit ); model = ( model << 1 ) | bit;
+ encode_bit( bm[model], bit ); model <<= 1; model |= bit;
bit = ( symbol >> 2 ) & 1;
- encode_bit( bm[model], bit ); model = ( model << 1 ) | bit;
+ encode_bit( bm[model], bit ); model <<= 1; model |= bit;
bit = ( symbol >> 1 ) & 1;
- encode_bit( bm[model], bit ); model = ( model << 1 ) | bit;
+ encode_bit( bm[model], bit ); model <<= 1; model |= bit;
encode_bit( bm[model], symbol & 1 );
}
@@ -346,7 +346,7 @@ public:
{
const bool bit = ( symbol >> i ) & 1;
encode_bit( bm[model], bit );
- model = ( model << 1 ) | bit;
+ model <<= 1; model |= bit;
}
}
@@ -358,7 +358,7 @@ public:
const bool bit = symbol & 1;
symbol >>= 1;
encode_bit( bm[model], bit );
- model = ( model << 1 ) | bit;
+ model <<= 1; model |= bit;
}
}
@@ -460,8 +460,8 @@ protected:
const unsigned direct_dis = dis - base;
if( dis_slot < end_dis_model )
- renc.encode_tree_reversed( bm_dis + ( base - dis_slot ), direct_dis,
- direct_bits );
+ renc.encode_tree_reversed( bm_dis + ( base - dis_slot ),
+ direct_dis, direct_bits );
else
{
renc.encode( direct_dis >> dis_align_bits, direct_bits - dis_align_bits );