Kind of two-bit version of bit scan reverse.
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Defines |
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#define | FASTPOS_BITS 13 |
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#define | fastpos_shift(extra, n) ((extra) + (n) * (FASTPOS_BITS - 1)) |
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#define | fastpos_limit(extra, n) (UINT32_C(1) << (FASTPOS_BITS + fastpos_shift(extra, n))) |
| #define | fastpos_result(pos, extra, n) |
Functions |
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static uint32_t | get_pos_slot (uint32_t pos) |
Variables |
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const uint8_t | lzma_fastpos [1<< FASTPOS_BITS] |
Detailed Description
Kind of two-bit version of bit scan reverse.
Define Documentation
| #define fastpos_result |
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pos, |
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extra, |
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n | |
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Value:lzma_fastpos[(pos) >> fastpos_shift(extra, n)] \
+ 2 * fastpos_shift(extra, n)
