diff options
Diffstat (limited to 'converter/other/fiasco/lib/arith.h')
| -rw-r--r-- | converter/other/fiasco/lib/arith.h | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/converter/other/fiasco/lib/arith.h b/converter/other/fiasco/lib/arith.h index 04297eb5..152dabab 100644 --- a/converter/other/fiasco/lib/arith.h +++ b/converter/other/fiasco/lib/arith.h @@ -20,24 +20,24 @@ typedef struct model { - unsigned symbols; /* number of symbols in the alphabet */ - unsigned scale; /* if totals > scale rescale totals */ - unsigned order; /* order of the probability model */ - unsigned *context; /* context of the model */ - unsigned *totals; /* the totals */ + unsigned symbols; /* number of symbols in the alphabet */ + unsigned scale; /* if totals > scale rescale totals */ + unsigned order; /* order of the probability model */ + unsigned *context; /* context of the model */ + unsigned *totals; /* the totals */ } model_t; typedef struct arith { - u_word_t low; /* start of the current code range */ - u_word_t high; /* end of the current code range */ - u_word_t underflow; /* number of underflow bits pending */ - u_word_t code; /* the present input code value */ - bitfile_t *file; /* I/O stream */ + u_word_t low; /* start of the current code range */ + u_word_t high; /* end of the current code range */ + u_word_t underflow; /* number of underflow bits pending */ + u_word_t code; /* the present input code value */ + bitfile_t *file; /* I/O stream */ } arith_t; enum interval {LOW = 0x0000, FIRST_QUARTER = 0x4000, HALF = 0x8000, - THIRD_QUARTER = 0xc000, HIGH = 0xffff}; + THIRD_QUARTER = 0xc000, HIGH = 0xffff}; arith_t * alloc_encoder (bitfile_t *file); @@ -47,8 +47,8 @@ real_t encode_symbol (unsigned symbol, arith_t *arith, model_t *model); void encode_array (bitfile_t *output, const unsigned *data, const unsigned *context, - const unsigned *c_symbols, unsigned n_context, unsigned n_data, - unsigned scaling); + const unsigned *c_symbols, unsigned n_context, unsigned n_data, + unsigned scaling); arith_t * alloc_decoder (bitfile_t *input); void @@ -57,8 +57,8 @@ unsigned decode_symbol (arith_t *arith, model_t *model); unsigned * decode_array (bitfile_t *input, const unsigned *context, - const unsigned *c_symbols, unsigned n_context, - unsigned n_data, unsigned scaling); + const unsigned *c_symbols, unsigned n_context, + unsigned n_data, unsigned scaling); model_t * alloc_model (unsigned m, unsigned scale, unsigned n, unsigned *totals); void @@ -67,7 +67,7 @@ free_model (model_t *model); #define RESCALE_INPUT_INTERVAL for (;;) \ if ((high >= HALF) && (low < HALF) && \ ((low & FIRST_QUARTER) != FIRST_QUARTER \ - || (high & FIRST_QUARTER) != 0)) \ + || (high & FIRST_QUARTER) != 0)) \ { \ break; \ } \ @@ -88,8 +88,8 @@ free_model (model_t *model); high |= HALF + 1; \ code <<= 1; \ code += get_bit (input); \ - } - + } + #define RESCALE_OUTPUT_INTERVAL for (;;) \ { \ if (high < HALF) \ @@ -116,7 +116,7 @@ free_model (model_t *model); high <<= 1; \ high |= 1; \ low <<= 1; \ - } - + } + #endif /* not _ARITH_H */ |