static inline uint32_t
get_short_rep_price(const lzma_coder *const coder,
const lzma_lzma_state state, const uint32_t pos_state)
{
return rc_bit_0_price(coder->is_rep0[state])
+ rc_bit_0_price(coder->is_rep0_long[state][pos_state]);
}
static void
length_update_prices(lzma_length_encoder *lc, const uint32_t pos_state)
{
const uint32_t table_size = lc->table_size;
lc->counters[pos_state] = table_size;
const uint32_t a0 = rc_bit_0_price(lc->choice);
const uint32_t a1 = rc_bit_1_price(lc->choice);
const uint32_t b0 = a1 + rc_bit_0_price(lc->choice2);
const uint32_t b1 = a1 + rc_bit_1_price(lc->choice2);
uint32_t *const prices = lc->prices[pos_state];
uint32_t i;
for (i = 0; i < table_size && i < LEN_LOW_SYMBOLS; ++i)
prices[i] = a0 + rc_bittree_price(lc->low[pos_state],
LEN_LOW_BITS, i);
for (; i < table_size && i < LEN_LOW_SYMBOLS + LEN_MID_SYMBOLS; ++i)
prices[i] = b0 + rc_bittree_price(lc->mid[pos_state],
LEN_MID_BITS, i - LEN_LOW_SYMBOLS);
for (; i < table_size; ++i)
prices[i] = b1 + rc_bittree_price(lc->high, LEN_HIGH_BITS,
i - LEN_LOW_SYMBOLS - LEN_MID_SYMBOLS);
return;
}
static inline uint32_t
get_pure_rep_price(const lzma_coder *const coder, const uint32_t rep_index,
const lzma_lzma_state state, uint32_t pos_state)
{
uint32_t price;
if (rep_index == 0) {
price = rc_bit_0_price(coder->is_rep0[state]);
price += rc_bit_1_price(coder->is_rep0_long[state][pos_state]);
} else {
price = rc_bit_1_price(coder->is_rep0[state]);
if (rep_index == 1) {
price += rc_bit_0_price(coder->is_rep1[state]);
} else {
price += rc_bit_1_price(coder->is_rep1[state]);
price += rc_bit_price(coder->is_rep2[state],
rep_index - 2);
}
}
return price;
}