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fuzzmatcher.h
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#ifndef FUZZMATCHER_H
#define FUZZMATCHER_H
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <string>
#include <any>
#include <string_view>
#include <vector>
#include <array>
#include <typeinfo>
#include <compare>
#include <initializer_list>
#include <queue>
#include <numeric>
#include <unordered_map>
#include <map>
#include <deque>
#include <memory>
#include <set>
#include <unordered_set>
#include <utility>
#include <algorithm>
#include <cctype>
#include <cstring>
#include <sstream>
#include <optional>
#include <filesystem>
#include <variant>
#include <cmath>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <random>
#include <charconv>
#include <iomanip>
namespace strsearch {
static constexpr int MAX_32BIT_INT = 2147483647;
static constexpr float MAX_32BIT_INT_AS_FLOAT = 2147483647.0f;
static constexpr void calculate_hemming_distance_2ways(
const std::vector<std::string_view>::iterator& a_strings,
const std::vector<std::string_view>::iterator& b_strings,
const std::vector<std::string_view>::iterator& a_strings_end,
const std::vector<std::string_view>::iterator& b_strings_end,
std::unordered_map<int, std::pair<int, float>>& result_map,
std::unordered_map<int, int>& vec1_mapping,
std::unordered_map<int, int>& vec2_mapping
) {
std::vector< std::string_view>::iterator strings_width_iter_start = a_strings;
std::vector< std::string_view>::iterator strings_height_iter_start = b_strings;
std::vector< std::string_view>::iterator strings_width_iter_end = a_strings_end;
std::vector< std::string_view>::iterator strings_height_iter_end = b_strings_end;
int idx_counter_string_width = -1;
int idx_counter_string_height = -1;
int len_string_width;
int bestbindex;
int a_len;
int b_len;
int i;
int bestresult;
auto a_len_b_len_ratio = MAX_32BIT_INT_AS_FLOAT;
int bestblength;
float a_switched;
int len_string_height;
std::string_view astringviewtemp;
std::string_view bstringviewtemp;
int result;
float was_switched;
int tmpresult;
int ii;
strings_width_iter_start = a_strings;
while (strings_width_iter_start != strings_width_iter_end) {
idx_counter_string_width++;
len_string_width = (int)strings_width_iter_start->size();
if (!len_string_width) {
strings_width_iter_start++;
continue;
}
strings_height_iter_start = b_strings;
idx_counter_string_height = -1;
a_len_b_len_ratio = MAX_32BIT_INT_AS_FLOAT;
bestresult = MAX_32BIT_INT;
bestbindex = 0;
bestblength = 0;
was_switched = 1;
a_switched = 1;
while (strings_height_iter_start != strings_height_iter_end) {
idx_counter_string_height++;
len_string_height = (int)strings_height_iter_start->size();
if ((!len_string_height)) {
strings_height_iter_start++;
continue;
}
if (len_string_width > len_string_height) {
a_len = len_string_height;
b_len = len_string_width;
astringviewtemp = (*strings_height_iter_start);
bstringviewtemp = (*strings_width_iter_start);
a_switched = -1;
}
else {
a_len = len_string_width;
b_len = len_string_height;
astringviewtemp = (*strings_width_iter_start);
bstringviewtemp = (*strings_height_iter_start);
a_switched = 1;
}
if ((a_len == b_len) && (astringviewtemp[0] == bstringviewtemp[0]) && (astringviewtemp == (bstringviewtemp))) {
bestbindex = idx_counter_string_height;
bestresult = 0.0f;
bestblength = 1;
was_switched = 1;
break;
}
result = MAX_32BIT_INT;
for (ii = 0; ii <= b_len - a_len; ii++) {
tmpresult = b_len - a_len;
for (i = 0; i <= b_len; i++) {
if (i >= a_len) {
break;
}
if (bstringviewtemp[i + ii] != astringviewtemp[i]) {
tmpresult++;
}
}
if (tmpresult < result) {
result = tmpresult;
}
}
if ((bestresult > result) || ((bestresult == result) && (((((float)b_len) / ((float)a_len))) < a_len_b_len_ratio))) {
bestresult = result;
bestbindex = idx_counter_string_height;
bestblength = b_len;
a_len_b_len_ratio = (((float)b_len) / ((float)a_len));
was_switched = a_switched;
}
strings_height_iter_start++;
}
if (bestblength) {
result_map[vec1_mapping[idx_counter_string_width]].first = vec2_mapping[bestbindex];
result_map[vec1_mapping[idx_counter_string_width]].second = was_switched * (float)bestresult;
}
strings_width_iter_start++;
}
}
static constexpr void calculate_hemming_distance_1way(
const std::vector<std::string_view>::iterator& a_strings,
const std::vector<std::string_view>::iterator& b_strings,
const std::vector<std::string_view>::iterator& a_strings_end,
const std::vector<std::string_view>::iterator& b_strings_end,
std::unordered_map<int, std::pair<int, float>>& result_map,
std::unordered_map<int, int>& vec1_mapping,
std::unordered_map<int, int>& vec2_mapping
) {
std::vector< std::string_view>::iterator strings_width_iter_start = a_strings;
std::vector< std::string_view>::iterator strings_height_iter_start = b_strings;
std::vector< std::string_view>::iterator strings_width_iter_end = a_strings_end;
std::vector< std::string_view>::iterator strings_height_iter_end = b_strings_end;
int idx_counter_string_width = -1;
int idx_counter_string_height;
int len_string_width;
int bestbindex;
int a_len;
int b_len;
int i;
int bestresult;
auto a_len_b_len_ratio = MAX_32BIT_INT_AS_FLOAT;
int bestblength;
float a_switched;
int len_string_height;
std::string_view astringviewtemp;
std::string_view bstringviewtemp;
int result;
float was_switched;
strings_width_iter_start = a_strings;
while (strings_width_iter_start != strings_width_iter_end) {
idx_counter_string_width++;
len_string_width = (int)strings_width_iter_start->size();
if (!len_string_width) {
strings_width_iter_start++;
continue;
}
strings_height_iter_start = b_strings;
idx_counter_string_height = -1;
a_len_b_len_ratio = MAX_32BIT_INT_AS_FLOAT;
bestresult = MAX_32BIT_INT;
bestbindex = 0;
bestblength = 0;
was_switched = 1;
a_switched = 1;
while (strings_height_iter_start != strings_height_iter_end) {
idx_counter_string_height++;
len_string_height = (int)strings_height_iter_start->size();
if ((!len_string_height)) {
strings_height_iter_start++;
continue;
}
if (len_string_width > len_string_height) {
a_len = len_string_height;
b_len = len_string_width;
astringviewtemp = (*strings_height_iter_start);
bstringviewtemp = (*strings_width_iter_start);
a_switched = -1;
}
else {
a_len = len_string_width;
b_len = len_string_height;
astringviewtemp = (*strings_width_iter_start);
bstringviewtemp = (*strings_height_iter_start);
a_switched = 1;
}
if ((a_len == b_len) && (astringviewtemp[0] == bstringviewtemp[0]) && (astringviewtemp == (bstringviewtemp))) {
bestbindex = idx_counter_string_height;
bestresult = 0.0f;
bestblength = 1;
was_switched = 1;
break;
}
result = b_len - a_len;
for (i = 0; i <= b_len; i++) {
if (i >= a_len) {
break;
}
if (bstringviewtemp[i] != astringviewtemp[i]) {
result++;
}
}
if ((bestresult > result) || ((bestresult == result) && ((fabs(1.0f - ((float)b_len) / ((float)a_len))) < a_len_b_len_ratio))) {
bestresult = result;
bestbindex = idx_counter_string_height;
bestblength = b_len;
a_len_b_len_ratio = fabs(1.0f - ((float)b_len) / ((float)a_len));
was_switched = a_switched;
}
strings_height_iter_start++;
}
if (bestblength) {
result_map[vec1_mapping[idx_counter_string_width]].first = vec2_mapping[bestbindex];
result_map[vec1_mapping[idx_counter_string_width]].second = (((float)bestresult) * was_switched);
}
strings_width_iter_start++;
}
}
static constexpr void calculate_longest_common_substr_v1(
const std::vector<std::string_view>::iterator& a_strings,
const std::vector<std::string_view>::iterator& b_strings,
const std::vector<std::string_view>::iterator& a_strings_end,
const std::vector<std::string_view>::iterator& b_strings_end,
std::unordered_map<int, std::pair<int, float>>& result_map,
std::unordered_map<int, int>& vec1_mapping,
std::unordered_map<int, int>& vec2_mapping
) {
std::vector< std::string_view>::iterator strings_width_iter_start = a_strings;
std::vector< std::string_view>::iterator strings_height_iter_start = b_strings;
std::vector< std::string_view>::iterator strings_width_iter_end = a_strings_end;
std::vector< std::string_view>::iterator strings_height_iter_end = b_strings_end;
int idx_counter_string_width = -1;
int idx_counter_string_height = -1;
int len_string_width;
int bestbindex;
int a_len;
int b_len;
int bestresult;
auto a_len_b_len_ratio = MAX_32BIT_INT_AS_FLOAT;
int bestblength;
float a_switched;
int len_string_height;
std::string_view astringviewtemp;
std::string_view bstringviewtemp;
int result;
int string_difference;
int tmpresult;
float was_switched;
strings_width_iter_start = a_strings;
while (strings_width_iter_start != strings_width_iter_end) {
idx_counter_string_width++;
len_string_width = (int)strings_width_iter_start->size();
if (!len_string_width) {
strings_width_iter_start++;
continue;
}
strings_height_iter_start = b_strings;
idx_counter_string_height = -1;
a_len_b_len_ratio = MAX_32BIT_INT_AS_FLOAT;
bestresult = 0;
bestbindex = 0;
bestblength = 0;
a_switched = 1;
was_switched = 1;
while (strings_height_iter_start != strings_height_iter_end) {
idx_counter_string_height++;
len_string_height = (int)strings_height_iter_start->size();
if ((!len_string_height) || (len_string_height < bestresult)) {
strings_height_iter_start++;
continue;
}
if (len_string_width > len_string_height) {
a_len = len_string_height;
b_len = len_string_width;
astringviewtemp = (*strings_height_iter_start);
bstringviewtemp = (*strings_width_iter_start);
a_switched = -1;
}
else {
a_len = len_string_width;
b_len = len_string_height;
astringviewtemp = (*strings_width_iter_start);
bstringviewtemp = (*strings_height_iter_start);
a_switched = 1;
}
if ((a_len == b_len) && (astringviewtemp[0] == bstringviewtemp[0]) && (astringviewtemp == (bstringviewtemp))) {
bestbindex = idx_counter_string_height;
bestresult = 1.0f;
bestblength = 1;
a_switched = 1;
break;
}
result = 0;
string_difference = b_len - a_len;
for (int offsetindex = 0; offsetindex < string_difference; offsetindex++) {
tmpresult = 0;
for (int stringidex = 0; stringidex < a_len; stringidex++) {
tmpresult += ((astringviewtemp[stringidex] == bstringviewtemp[stringidex + offsetindex]) ? 1 : 0);
}
if (tmpresult > result) {
result = tmpresult;
}
}
if ((bestresult < result) || ((bestresult == result) && ((fabs(1.0f - ((float)b_len) / ((float)a_len))) < a_len_b_len_ratio))) {
bestresult = result;
bestbindex = idx_counter_string_height;
bestblength = b_len;
a_len_b_len_ratio = fabs(1.0f - ((float)b_len) / ((float)a_len));
was_switched = a_switched;
}
strings_height_iter_start++;
}
if (bestblength) {
result_map[vec1_mapping[idx_counter_string_width]].first = vec2_mapping[bestbindex];
result_map[vec1_mapping[idx_counter_string_width]].second = was_switched * (((float)bestresult) / (float)bestblength);
}
strings_width_iter_start++;
}
}
static void constexpr calculate_longest_common_subsequence_v2(
const std::vector<std::string_view>::iterator& a_strings,
const std::vector<std::string_view>::iterator& b_strings,
const std::vector<std::string_view>::iterator& a_strings_end,
const std::vector<std::string_view>::iterator& b_strings_end,
std::unordered_map<int, std::pair<int, float>>& result_map,
int* fake_matrix,
int index_multiplier_width,
std::unordered_map<int, int>& vec1_mapping,
std::unordered_map<int, int>& vec2_mapping
) {
std::vector< std::string_view>::iterator strings_width_iter_start = a_strings;
std::vector< std::string_view>::iterator strings_height_iter_start = b_strings;
std::vector< std::string_view>::iterator strings_width_iter_end = a_strings_end;
std::vector< std::string_view>::iterator strings_height_iter_end = b_strings_end;
float current_jaro_distance;
float jaro_best_match;
int* start_ptr_matrix;
int idx_counter_string_width;
int idx_counter_string_height;
int jaro_best_idx_height;
int len_string_width;
int len_string_height;
int prev_row;
int current_row;
int j;
int i;
int a_len;
int b_len;
int last_string_len_difference;
float a_switched;
float was_switched;
int last_best_result_tmp;
std::string_view astringviewtemp;
std::string_view bstringviewtemp;
int* end_ptr_matrix = fake_matrix + (index_multiplier_width * 2);
strings_width_iter_start = a_strings;
idx_counter_string_width = -1;
while (strings_width_iter_start != strings_width_iter_end) {
idx_counter_string_width++;
len_string_width = (int)strings_width_iter_start->size();
if (!len_string_width) {
strings_width_iter_start++;
continue;
}
jaro_best_idx_height = 0;
jaro_best_match = 0;
strings_height_iter_start = b_strings;
idx_counter_string_height = -1;
last_string_len_difference = MAX_32BIT_INT;
was_switched = 1;
a_switched = 1;
while (strings_height_iter_start != strings_height_iter_end) {
idx_counter_string_height++;
len_string_height = (int)strings_height_iter_start->size();
if (!len_string_height) {
strings_height_iter_start++;
continue;
}
if ((len_string_height == len_string_width) && ((*strings_height_iter_start)[0] == (*strings_width_iter_start)[0]) && ((*strings_height_iter_start) == (*strings_width_iter_start))) {
jaro_best_match = 100.0f;
jaro_best_idx_height = idx_counter_string_height;
was_switched = 1;
break;
}
if (len_string_width > len_string_height) {
a_len = len_string_height;
b_len = len_string_width;
astringviewtemp = (*strings_height_iter_start);
bstringviewtemp = (*strings_width_iter_start);
a_switched = -1;
}
else {
a_len = len_string_width;
b_len = len_string_height;
astringviewtemp = (*strings_width_iter_start);
bstringviewtemp = (*strings_height_iter_start);
a_switched = 1;
}
last_best_result_tmp = 0;
start_ptr_matrix = fake_matrix;
for (; start_ptr_matrix < end_ptr_matrix;) {
*start_ptr_matrix++ = 0;
}
current_row = 0;
prev_row = 1;
for (i = 0; i < a_len; i++) {
for (j = 0; j < b_len; j++) {
if ((astringviewtemp)[i] == (bstringviewtemp)[j]) {
fake_matrix[current_row * index_multiplier_width + j] = j == 0 ? 1 : 1 + fake_matrix[prev_row * index_multiplier_width + j - 1];
if (fake_matrix[current_row * index_multiplier_width + j] > last_best_result_tmp) {
last_best_result_tmp = fake_matrix[current_row * index_multiplier_width + j];
}
else {
fake_matrix[current_row * index_multiplier_width + j] = 0;
}
}
}
prev_row = current_row;
current_row = (current_row + 1) % 2;
}
current_jaro_distance = (((float)(last_best_result_tmp * 2)) / ((len_string_height + len_string_width))) * 100.0f;
if ((current_jaro_distance > jaro_best_match) || (((current_jaro_distance == jaro_best_match) && ((last_string_len_difference < len_string_width - len_string_height && last_string_len_difference < 0))) || ((current_jaro_distance == jaro_best_match) && ((last_string_len_difference > len_string_width - len_string_height && last_string_len_difference > 0 && len_string_width - len_string_height > 0))))) {
jaro_best_match = current_jaro_distance;
was_switched = a_switched;
jaro_best_idx_height = idx_counter_string_height;
last_string_len_difference = len_string_width - len_string_height;
}
strings_height_iter_start++;
}
if (jaro_best_match > 0.0f) {
result_map[vec1_mapping[idx_counter_string_width]].first = vec2_mapping[jaro_best_idx_height];
result_map[vec1_mapping[idx_counter_string_width]].second = jaro_best_match * was_switched;
}
strings_width_iter_start++;
}
}
static constexpr void calculate_longest_common_subsequence_v1(
const std::vector<std::string_view>::iterator& a_strings,
const std::vector<std::string_view>::iterator& b_strings,
const std::vector<std::string_view>::iterator& a_strings_end,
const std::vector<std::string_view>::iterator& b_strings_end,
std::unordered_map<int, std::pair<int, float>>& result_map,
int* fake_matrix,
int index_multiplier_width,
std::unordered_map<int, int>& vec1_mapping,
std::unordered_map<int, int>& vec2_mapping
) {
std::vector< std::string_view>::iterator strings_width_iter_start = a_strings;
std::vector< std::string_view>::iterator strings_height_iter_start = b_strings;
std::vector< std::string_view>::iterator strings_width_iter_end = a_strings_end;
std::vector< std::string_view>::iterator strings_height_iter_end = b_strings_end;
int len_string_width;
int bestbindex;
int a_lensaved;
float a_switched;
float was_switched;
float interbi_result;
int a_len;
int b_len;
float interbi;
int len_string_height;
int i;
int j;
int current_row;
int prev_row;
int last_string_len_difference;
std::string_view astringviewtemp;
std::string_view bstringviewtemp;
int idx_counter_string_width = -1;
int idx_counter_string_height = -1;
strings_width_iter_start = a_strings;
while (strings_width_iter_start != strings_width_iter_end) {
idx_counter_string_width++;
len_string_width = (int)strings_width_iter_start->size();
if (!len_string_width) {
strings_width_iter_start++;
continue;
}
interbi = -1;
bestbindex = 0;
a_lensaved = 0;
a_switched = 1;
strings_height_iter_start = b_strings;
idx_counter_string_height = -1;
was_switched = 1;
last_string_len_difference = MAX_32BIT_INT;
while (strings_height_iter_start != strings_height_iter_end) {
idx_counter_string_height++;
len_string_height = (int)strings_height_iter_start->size();
if (!len_string_height) {
strings_height_iter_start++;
continue;
}
if ((len_string_height == len_string_width) && ((*strings_height_iter_start)[0] == (*strings_width_iter_start)[0]) && ((*strings_height_iter_start) == (*strings_width_iter_start))) {
interbi = 100.0f;
bestbindex = idx_counter_string_height;
was_switched = 1;
break;
}
if (len_string_width > len_string_height) {
a_len = len_string_height;
b_len = len_string_width;
astringviewtemp = (*strings_height_iter_start);
bstringviewtemp = (*strings_width_iter_start);
a_switched = -1;
}
else {
a_len = len_string_width;
b_len = len_string_height;
astringviewtemp = (*strings_width_iter_start);
bstringviewtemp = (*strings_height_iter_start);
a_switched = 1;
}
current_row = 0;
prev_row = 1;
for (i = a_len; i >= 0; i--) {
for (j = b_len; j >= 0; j--) {
if (i == a_len || j == b_len) {
fake_matrix[current_row * index_multiplier_width + j] = 0;
}
else if ((i < a_len) && (j < b_len) && ((astringviewtemp[i]) == (bstringviewtemp[j]))) {
fake_matrix[current_row * index_multiplier_width + j] = 1 + fake_matrix[prev_row * index_multiplier_width + j + 1];
}
else {
if (fake_matrix[prev_row * index_multiplier_width + j] > fake_matrix[current_row * index_multiplier_width + j + 1]) {
fake_matrix[current_row * index_multiplier_width + j] = fake_matrix[prev_row * index_multiplier_width + j];
}
else {
fake_matrix[current_row * index_multiplier_width + j] = fake_matrix[current_row * index_multiplier_width + j + 1];
}
}
}
prev_row = current_row;
current_row = (current_row + 1) % 2;
}
interbi_result = (((float)(fake_matrix[prev_row * index_multiplier_width] * 2)) / ((len_string_height + len_string_width))) * 100.0f;
if ((interbi_result > interbi) || (((interbi_result == interbi) && ((last_string_len_difference < len_string_width - len_string_height && last_string_len_difference < 0))) || ((interbi_result == interbi) && ((last_string_len_difference > len_string_width - len_string_height && last_string_len_difference > 0 && len_string_width - len_string_height > 0))))) {
bestbindex = idx_counter_string_height;
a_lensaved = len_string_width + len_string_height;
was_switched = a_switched;
interbi = interbi_result;
last_string_len_difference = len_string_width - len_string_height;
}
strings_height_iter_start++;
}
if (a_lensaved) {
result_map[vec1_mapping[idx_counter_string_width]].first = vec2_mapping[bestbindex];
result_map[vec1_mapping[idx_counter_string_width]].second = interbi * was_switched;
}
strings_width_iter_start++;
}
}
static void constexpr calculate_jaro_distance_2_way(
const std::vector<std::string_view>::iterator& a_strings,
const std::vector<std::string_view>::iterator& b_strings,
const std::vector<std::string_view>::iterator& a_strings_end,
const std::vector<std::string_view>::iterator& b_strings_end,
std::unordered_map<int, std::pair<int, float>>& result_map,
int* fake_matrix,
int index_multiplier_width,
std::unordered_map<int, int>& vec1_mapping,
std::unordered_map<int, int>& vec2_mapping
) {
std::vector< std::string_view>::iterator strings_width_iter_start = a_strings;
std::vector< std::string_view>::iterator strings_height_iter_start = b_strings;
std::vector< std::string_view>::iterator strings_width_iter_end = a_strings_end;
std::vector< std::string_view>::iterator strings_height_iter_end = b_strings_end;
float current_jaro_distance;
float current_jaro_distance_tmp;
float jaro_best_match;
int* start_ptr_matrix;
int idx_counter_string_width;
int idx_counter_string_height;
int jaro_best_idx_height;
int len_string_width;
int len_string_height;
int max_dist;
int m;
int i;
int low;
int high;
int j;
int k;
int t;
int last_string_len_difference;
std::string_view current_string_width;
std::string_view current_string_height;
int* end_ptr_matrix = fake_matrix + (index_multiplier_width * 2);
strings_width_iter_start = a_strings;
idx_counter_string_width = -1;
while (strings_width_iter_start != strings_width_iter_end) {
idx_counter_string_width++;
len_string_width = (int)strings_width_iter_start->size();
if (!len_string_width) {
strings_width_iter_start++;
continue;
}
jaro_best_idx_height = 0;
jaro_best_match = 0;
strings_height_iter_start = b_strings;
current_string_width = *strings_width_iter_start;
idx_counter_string_height = -1;
last_string_len_difference = MAX_32BIT_INT;
while (strings_height_iter_start != strings_height_iter_end) {
idx_counter_string_height++;
len_string_height = (int)strings_height_iter_start->size();
if (!len_string_height) {
strings_height_iter_start++;
continue;
}
current_string_height = *strings_height_iter_start;
if ((len_string_height == len_string_width) && (current_string_height[0] == current_string_width[0]) && (current_string_height == (current_string_width))) {
jaro_best_match = 2.0f;
jaro_best_idx_height = idx_counter_string_height;
break;
}
current_jaro_distance = 0.0f;
for (int bafo = 0; bafo < 2; bafo++) {
std::reverse((char*)&(strings_height_iter_start->data()[0]), (char*)&(strings_height_iter_start->data()[0]) + strings_height_iter_start->size());
std::reverse((char*)&(strings_width_iter_start->data()[0]), (char*)&(strings_width_iter_start->data()[0]) + strings_width_iter_start->size());
start_ptr_matrix = fake_matrix;
for (; start_ptr_matrix < end_ptr_matrix;) {
*start_ptr_matrix++ = 0;
}
max_dist = ((len_string_width > len_string_height ? len_string_width : len_string_height) / 2) - 1;
m = 0;
i = 0;
low = 0;
high = 0;
j = 0;
k = 0;
t = 0;
current_jaro_distance_tmp = 0.0f;
for (i = 0; i < len_string_width; i++) {
low = (i > max_dist ? i - max_dist : 0);
high = (i + max_dist < len_string_height ? i + max_dist : len_string_height - 1);
for (j = low; j <= high; j++) {
if (!fake_matrix[index_multiplier_width + j] && (current_string_width[i] == current_string_height[j])) {
fake_matrix[i] = 1;
fake_matrix[index_multiplier_width + j] = 1;
m++;
break;
}
}
}
if (!m) {
continue;
}
k = t = 0;
for (i = 0; i < len_string_width; i++) {
if (fake_matrix[i]) {
for (j = k; j < len_string_height; j++) {
if (fake_matrix[index_multiplier_width + j]) {
k = j + 1;
break;
}
}
if (current_string_width[i] != current_string_height[j]) {
t++;
}
}
}
t /= 2;
current_jaro_distance_tmp = (((float)m) / len_string_width + ((float)m) / len_string_height + ((float)(m - t)) / m) / 3.0f;
current_jaro_distance += current_jaro_distance_tmp;
}
if ((current_jaro_distance > jaro_best_match) || (((current_jaro_distance == jaro_best_match) && ((last_string_len_difference < len_string_width - len_string_height && last_string_len_difference < 0))) || ((current_jaro_distance == jaro_best_match) && ((last_string_len_difference > len_string_width - len_string_height && last_string_len_difference > 0 && len_string_width - len_string_height > 0))))) {
jaro_best_match = current_jaro_distance;
jaro_best_idx_height = idx_counter_string_height;
last_string_len_difference = len_string_width - len_string_height;
}
strings_height_iter_start++;
}
result_map[vec1_mapping[idx_counter_string_width]].first = vec2_mapping[jaro_best_idx_height];
result_map[vec1_mapping[idx_counter_string_width]].second = jaro_best_match;
strings_width_iter_start++;
}
}
static void constexpr calculate_jaro_winkler_distance_2_way(
const std::vector<std::string_view>::iterator& a_strings,
const std::vector<std::string_view>::iterator& b_strings,
const std::vector<std::string_view>::iterator& a_strings_end,
const std::vector<std::string_view>::iterator& b_strings_end,
std::unordered_map<int, std::pair<int, float>>& result_map,
int* fake_matrix,
int index_multiplier_width,
std::unordered_map<int, int>& vec1_mapping,
std::unordered_map<int, int>& vec2_mapping
) {
std::vector< std::string_view>::iterator strings_width_iter_start = a_strings;
std::vector< std::string_view>::iterator strings_height_iter_start = b_strings;
std::vector< std::string_view>::iterator strings_width_iter_end = a_strings_end;
std::vector< std::string_view>::iterator strings_height_iter_end = b_strings_end;
float current_jaro_distance;
float current_jaro_distance_tmp;
float jaro_best_match;
int* start_ptr_matrix;
int idx_counter_string_width;
int idx_counter_string_height;
int jaro_best_idx_height;
int len_string_width;
int len_string_height;
int max_dist;
int m;
int i;
int low;
int high;
int j;
int k;
int t;
int n;
int last_string_len_difference;
std::string_view current_string_width;
std::string_view current_string_height;
int* end_ptr_matrix = fake_matrix + (index_multiplier_width * 2);
strings_width_iter_start = a_strings;
idx_counter_string_width = -1;
while (strings_width_iter_start != strings_width_iter_end) {
idx_counter_string_width++;
len_string_width = (int)strings_width_iter_start->size();
if (!len_string_width) {
strings_width_iter_start++;
continue;
}
jaro_best_idx_height = 0;
jaro_best_match = 0;
strings_height_iter_start = b_strings;
current_string_width = *strings_width_iter_start;
idx_counter_string_height = -1;
last_string_len_difference = MAX_32BIT_INT;
while (strings_height_iter_start != strings_height_iter_end) {
idx_counter_string_height++;
len_string_height = (int)strings_height_iter_start->size();
if (!len_string_height) {
strings_height_iter_start++;
continue;
}
current_string_height = *strings_height_iter_start;
if ((len_string_height == len_string_width) && (current_string_height[0] == current_string_width[0]) && (current_string_height == (current_string_width))) {
jaro_best_match = 2.0f;
jaro_best_idx_height = idx_counter_string_height;
break;
}
current_jaro_distance = 0.0f;
for (int bafo = 0; bafo < 2; bafo++) {
std::reverse((char*)&(strings_height_iter_start->data()[0]), (char*)&(strings_height_iter_start->data()[0]) + strings_height_iter_start->size());
std::reverse((char*)&(strings_width_iter_start->data()[0]), (char*)&(strings_width_iter_start->data()[0]) + strings_width_iter_start->size());
start_ptr_matrix = fake_matrix;
for (; start_ptr_matrix < end_ptr_matrix;) {
*start_ptr_matrix++ = 0;
}
max_dist = ((len_string_width > len_string_height ? len_string_width : len_string_height) / 2) - 1;
m = 0;
i = 0;
low = 0;
high = 0;
j = 0;
k = 0;
t = 0;
current_jaro_distance_tmp = 0.0f;
for (i = 0; i < len_string_width; i++) {
low = (i > max_dist ? i - max_dist : 0);
high = (i + max_dist < len_string_height ? i + max_dist : len_string_height - 1);
for (j = low; j <= high; j++) {
if (!fake_matrix[index_multiplier_width + j] && (current_string_width[i] == current_string_height[j])) {
fake_matrix[i] = 1;
fake_matrix[index_multiplier_width + j] = 1;
m++;
break;
}
}
}
if (!m) {
continue;
}
k = t = 0;
for (i = 0; i < len_string_width; i++) {
if (fake_matrix[i]) {
for (j = k; j < len_string_height; j++) {
if (fake_matrix[index_multiplier_width + j]) {
k = j + 1;
break;
}
}
if (current_string_width[i] != current_string_height[j]) {
t++;
}
}
}
t /= 2;
current_jaro_distance_tmp = (((float)m) / len_string_width + ((float)m) / len_string_height + ((float)(m - t)) / m) / 3.0f;
n = 0;
for (i = 0; i < (len_string_width >= 4 ? 4 : len_string_width); i++) {
if ((i < len_string_height) && (current_string_width[i] == current_string_height[i])) {
n++;
}
else {
break;
}
}
current_jaro_distance_tmp = current_jaro_distance_tmp + (float)n * 0.1f * (1.0f - current_jaro_distance_tmp);
current_jaro_distance += current_jaro_distance_tmp;
}
if ((current_jaro_distance > jaro_best_match) || (((current_jaro_distance == jaro_best_match) && ((last_string_len_difference < len_string_width - len_string_height && last_string_len_difference < 0))) || ((current_jaro_distance == jaro_best_match) && ((last_string_len_difference > len_string_width - len_string_height && last_string_len_difference > 0 && len_string_width - len_string_height > 0))))) {
jaro_best_match = current_jaro_distance;
jaro_best_idx_height = idx_counter_string_height;
last_string_len_difference = len_string_width - len_string_height;
}
strings_height_iter_start++;
}
result_map[vec1_mapping[idx_counter_string_width]].first = vec2_mapping[jaro_best_idx_height];
result_map[vec1_mapping[idx_counter_string_width]].second = jaro_best_match;
strings_width_iter_start++;
}
}
static void constexpr calculate_jaro_winkler_distance_1_way(
const std::vector<std::string_view>::iterator& a_strings,
const std::vector<std::string_view>::iterator& b_strings,
const std::vector<std::string_view>::iterator& a_strings_end,
const std::vector<std::string_view>::iterator& b_strings_end,
std::unordered_map<int, std::pair<int, float>>& result_map,
int* fake_matrix,
int index_multiplier_width,
std::unordered_map<int, int>& vec1_mapping,
std::unordered_map<int, int>& vec2_mapping
) {
std::vector< std::string_view>::iterator strings_width_iter_start = a_strings;
std::vector< std::string_view>::iterator strings_height_iter_start = b_strings;
std::vector< std::string_view>::iterator strings_width_iter_end = a_strings_end;
std::vector< std::string_view>::iterator strings_height_iter_end = b_strings_end;
float current_jaro_distance;
float jaro_best_match;
int* start_ptr_matrix;
int idx_counter_string_width;
int idx_counter_string_height;
int jaro_best_idx_height;
int len_string_width;
int len_string_height;
int max_dist;
int m;
int i;
int low;
int high;
int j;
int k;
int t;
int n;
int last_string_len_difference;
std::string_view current_string_width;
std::string_view current_string_height;
int* end_ptr_matrix = fake_matrix + (index_multiplier_width * 2);
strings_width_iter_start = a_strings;
idx_counter_string_width = -1;
while (strings_width_iter_start != strings_width_iter_end) {
idx_counter_string_width++;
len_string_width = (int)strings_width_iter_start->size();
if (!len_string_width) {
strings_width_iter_start++;
continue;
}
jaro_best_idx_height = 0;
jaro_best_match = 0;
strings_height_iter_start = b_strings;
current_string_width = *strings_width_iter_start;
idx_counter_string_height = -1;
last_string_len_difference = MAX_32BIT_INT;
while (strings_height_iter_start != strings_height_iter_end) {
idx_counter_string_height++;
len_string_height = (int)strings_height_iter_start->size();
if (!len_string_height) {
strings_height_iter_start++;
continue;
}
current_string_height = *strings_height_iter_start;
if ((len_string_height == len_string_width) && (current_string_height[0] == current_string_width[0]) && (current_string_height == (current_string_width))) {
jaro_best_match = 1.0f;
jaro_best_idx_height = idx_counter_string_height;
break;
}
start_ptr_matrix = fake_matrix;
for (; start_ptr_matrix < end_ptr_matrix;) {
*start_ptr_matrix++ = 0;
}
max_dist = ((len_string_width > len_string_height ? len_string_width : len_string_height) / 2) - 1;
m = 0;
i = 0;
low = 0;
high = 0;
j = 0;
k = 0;
t = 0;
current_jaro_distance = 0.0f;
for (i = 0; i < len_string_width; i++) {
low = (i > max_dist ? i - max_dist : 0);
high = (i + max_dist < len_string_height ? i + max_dist : len_string_height - 1);
for (j = low; j <= high; j++) {
if (!fake_matrix[index_multiplier_width + j] && (current_string_width[i] == current_string_height[j])) {
fake_matrix[i] = 1;
fake_matrix[index_multiplier_width + j] = 1;
m++;
break;
}
}
}
if (!m) {
strings_height_iter_start++;
continue;
}
k = t = 0;
for (i = 0; i < len_string_width; i++) {
if (fake_matrix[i]) {
for (j = k; j < len_string_height; j++) {
if (fake_matrix[index_multiplier_width + j]) {
k = j + 1;
break;
}
}
if (current_string_width[i] != current_string_height[j]) {
t++;
}
}
}
t /= 2;
current_jaro_distance = (((float)m) / (float)len_string_width + ((float)m) / (float)len_string_height + ((float)(m - t)) / m) / 3.0f;
n = 0;
for (i = 0; i < (len_string_width >= 4 ? 4 : len_string_width); i++) {
if ((i < len_string_height) && (current_string_width[i] == current_string_height[i])) {
n++;
}
else {
break;
}
}
current_jaro_distance = current_jaro_distance + (float)n * 0.1f * (1.0f - current_jaro_distance);
if ((current_jaro_distance > jaro_best_match) || (((current_jaro_distance == jaro_best_match) && ((last_string_len_difference < len_string_width - len_string_height && last_string_len_difference < 0))) || ((current_jaro_distance == jaro_best_match) && ((last_string_len_difference > len_string_width - len_string_height && last_string_len_difference > 0 && len_string_width - len_string_height > 0))))) {
jaro_best_match = current_jaro_distance;
jaro_best_idx_height = idx_counter_string_height;
last_string_len_difference = len_string_width - len_string_height;
}
strings_height_iter_start++;
}
result_map[vec1_mapping[idx_counter_string_width]].first = vec2_mapping[jaro_best_idx_height];
result_map[vec1_mapping[idx_counter_string_width]].second = jaro_best_match;
strings_width_iter_start++;
}
}
static void constexpr calculate_jaro_distance_1_way(
const std::vector<std::string_view>::iterator& a_strings,
const std::vector<std::string_view>::iterator& b_strings,
const std::vector<std::string_view>::iterator& a_strings_end,
const std::vector<std::string_view>::iterator& b_strings_end,
std::unordered_map<int, std::pair<int, float>>& result_map,
int* fake_matrix,
int index_multiplier_width,
std::unordered_map<int, int>& vec1_mapping,
std::unordered_map<int, int>& vec2_mapping
) {
std::vector< std::string_view>::iterator strings_width_iter_start = a_strings;
std::vector< std::string_view>::iterator strings_height_iter_start = b_strings;
std::vector< std::string_view>::iterator strings_width_iter_end = a_strings_end;
std::vector< std::string_view>::iterator strings_height_iter_end = b_strings_end;