# bmalgo_impl.h File Reference

`#include "bmdef.h"`
`#include "bmutil.h"`
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## Data Structures

struct | bm::distance_metric_descriptor
| Distance metric descriptor, holds metric code and result. More...

## Namespaces

namespace | bm

## Enumerations

enum | bm::distance_metric { bm::COUNT_AND = set_COUNT_AND, bm::COUNT_XOR = set_COUNT_XOR, bm::COUNT_OR = set_COUNT_OR, bm::COUNT_SUB_AB = set_COUNT_SUB_AB, bm::COUNT_SUB_BA = set_COUNT_SUB_BA, bm::COUNT_A = set_COUNT_A, bm::COUNT_B = set_COUNT_B }
| Distance metrics codes defined for vectors A and B. More...

## Functions

distance_metric | bm::operation2metric (set_operation op)
| Convert set operation into compatible distance metric.
void | bm::combine_count_operation_with_block (const bm::word_t *blk, const bm::word_t *arg_blk, distance_metric_descriptor *dmit, distance_metric_descriptor *dmit_end)
| Internal function computes different distance metrics.
unsigned | bm::combine_count_and_operation_with_block (const bm::word_t *blk, const bm::word_t *arg_blk)
| Internal function computes AND distance.
void | bm::combine_any_operation_with_block (const bm::word_t *blk, unsigned gap, const bm::word_t *arg_blk, int arg_gap, distance_metric_descriptor *dmit, distance_metric_descriptor *dmit_end)
| Internal function computes different existense of distance metric.
unsigned | bm::combine_count_operation_with_block (const bm::word_t *blk, const bm::word_t *arg_blk, distance_metric metric)
unsigned | bm::combine_any_operation_with_block (const bm::word_t *blk, unsigned gap, const bm::word_t *arg_blk, int arg_gap, distance_metric metric)
void | bm::distance_stage (const distance_metric_descriptor *dmit, const distance_metric_descriptor *dmit_end, bool *is_all_and)
| Staging function for distance operation.
template<class BV >
void | bm::distance_operation (const BV &bv1, const BV &bv2, distance_metric_descriptor *dmit, distance_metric_descriptor *dmit_end)
| Distance computing template function.
template<class BV >
unsigned | bm::distance_and_operation (const BV &bv1, const BV &bv2)
| Distance AND computing template function.
template<class BV >
void | bm::distance_operation_any (const BV &bv1, const BV &bv2, distance_metric_descriptor *dmit, distance_metric_descriptor *dmit_end)
| Distance screening template function.
template<class BV >
bm::id_t | bm::count_and (const BV &bv1, const BV &bv2)
| Computes bitcount of AND operation of two bitsets.
template<class BV >
bm::id_t | bm::any_and (const BV &bv1, const BV &bv2)
| Computes if there is any bit in AND operation of two bitsets.
template<class BV >
bm::id_t | bm::count_xor (const BV &bv1, const BV &bv2)
| Computes bitcount of XOR operation of two bitsets.
template<class BV >
bm::id_t | bm::any_xor (const BV &bv1, const BV &bv2)
| Computes if there is any bit in XOR operation of two bitsets.
template<class BV >
bm::id_t | bm::count_sub (const BV &bv1, const BV &bv2)
| Computes bitcount of SUB operation of two bitsets.
template<class BV >
bm::id_t | bm::any_sub (const BV &bv1, const BV &bv2)
| Computes if there is any bit in SUB operation of two bitsets.
template<class BV >
bm::id_t | bm::count_or (const BV &bv1, const BV &bv2)
| Computes bitcount of OR operation of two bitsets.
template<class BV >
bm::id_t | bm::any_or (const BV &bv1, const BV &bv2)
| Computes if there is any bit in OR operation of two bitsets.
template<class It >
It | bm::block_range_scan (It first, It last, unsigned nblock, unsigned *max_id)
| Internal algorithms scans the input for the block range limit.
template<class BV , class It >
void | bm::combine_or (BV &bv, It first, It last)
| OR Combine bitvector and the iterable sequence.
template<class BV , class It >
void | bm::combine_xor (BV &bv, It first, It last)
| XOR Combine bitvector and the iterable sequence.
template<class BV , class It >
void | bm::combine_sub (BV &bv, It first, It last)
| SUB Combine bitvector and the iterable sequence.
template<class BV , class It >
void | bm::combine_and_sorted (BV &bv, It first, It last)
| AND Combine bitvector and the iterable sequence.
template<class BV , class It >
void | bm::combine_and (BV &bv, It first, It last)
| AND Combine bitvector and the iterable sequence.
template<class BV >
bm::id_t | bm::count_intervals (const BV &bv)
| Compute number of bit intervals (GAPs) in the bitvector.
template<class BV , class It >
void | bm::export_array (BV &bv, It first, It last)
| Export bitset from an array of binary data representing the bit vector.