Bit manipulation primitives (internal) More...
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Classes | |
| struct | bm::bit_block_t |
| bit-block array wrapped into union for correct interpretation of 32-bit vs 64-bit access vs SIMD More... | |
| union | bm::bit_block_t::bunion_t |
| struct | bm::conditional< b > |
| ad-hoc conditional expressions More... | |
| struct | bm::conditional< false > |
| class | bm::ptr_guard< T > |
| Mini auto-pointer for internal memory management. More... | |
| struct | bm::and_func |
| and functor More... | |
| struct | bm::xor_func |
| xor functor More... | |
| struct | bm::or_func |
| or functor More... | |
| struct | bm::sub_func |
| sub functor More... | |
Namespaces | |
| bm | |
| #include<zmmintrin.h> | |
Functions | |
| template<typename T > | |
| T | bm::min_value (T v1, T v2) noexcept |
| Get minimum of 2 values. More... | |
| template<typename T > | |
| T | bm::ilog2 (T x) noexcept |
| Fast loop-less function to find LOG2. More... | |
| template<> | |
| bm::gap_word_t | bm::ilog2 (gap_word_t x) noexcept |
| unsigned | bm::count_leading_zeros (unsigned x) noexcept |
| Portable LZCNT with (uses minimal LUT) More... | |
| unsigned | bm::count_trailing_zeros (unsigned v) noexcept |
| Portable TZCNT with (uses 37-LUT) More... | |
| template<typename T > | |
| T | bm::ilog2_LUT (T x) noexcept |
| Lookup table based integer LOG2. More... | |
| template<> | |
| bm::gap_word_t | bm::ilog2_LUT< bm::gap_word_t > (bm::gap_word_t x) noexcept |
| Lookup table based short integer LOG2. More... | |
| template<typename T > | |
| T | bm::bit_scan_fwd (T v) noexcept |
| unsigned | bm::bit_scan_reverse32 (unsigned w) noexcept |
| unsigned | bm::bit_scan_forward32 (unsigned w) noexcept |
| unsigned long long | bm::bmi_bslr_u64 (unsigned long long w) noexcept |
| unsigned long long | bm::bmi_blsi_u64 (unsigned long long w) |
| unsigned | bm::count_leading_zeros_u32 (unsigned w) noexcept |
| 32-bit bit-scan reverse More... | |
| unsigned | bm::count_leading_zeros_u64 (bm::id64_t w) noexcept |
| 64-bit bit-scan reverse More... | |
| unsigned | bm::count_trailing_zeros_u32 (unsigned w) noexcept |
| 32-bit bit-scan fwd More... | |
| unsigned | bm::count_trailing_zeros_u64 (bm::id64_t w) noexcept |
| 64-bit bit-scan fwd More... | |
| template<class T > | |
| unsigned | bm::bit_scan_reverse (T value) noexcept |
| unsigned | bm::mask_r_u32 (unsigned nbit) noexcept |
| unsigned | bm::mask_l_u32 (unsigned nbit) noexcept |
| template<typename W > | |
| void | bm::xor_swap (W &x, W &y) noexcept |
| XOR swap two variables. More... | |
| unsigned | bm::compute_h64_mask (unsigned long long w) noexcept |
| Сompute mask of bytes presense in 64-bit word. More... | |
| bool | bm::has_zero_byte_u64 (bm::id64_t v) noexcept |
| Returns true if INT64 contains 0 octet. More... | |
| bm::id_t | bm::word_bitcount (bm::id_t w) noexcept |
| unsigned | bm::word_bitcount64 (bm::id64_t x) noexcept |
| template<typename T > | |
| bool | bm::is_aligned (T *p) noexcept |
| Check pointer alignment. More... | |
Detailed Description
Bit manipulation primitives (internal)
Definition in file bmutil.h.
