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remove: legacy code

legacy
Dnomd343 3 years ago
parent
a7c0779f5a
commit
672c89556f
3 changed files with 95 additions and 241 deletions
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  1. 145
      all_cases/all_cases.cc
  2. 31
      all_cases/all_cases.h
  3. 160
      all_cases/short_code.cc

145
all_cases/all_cases.cc
View File

@ -1,145 +0,0 @@
#include <algorithm>
#include "all_cases.h"
//inline uint32_t binary_count(uint32_t bin) { // get number of non-zero bits
// bin -= (bin >> 1) & 0x55555555;
// bin = (bin & 0x33333333) + ((bin >> 2) & 0x33333333);
// bin = ((bin >> 4) + bin) & 0x0F0F0F0F;
//// return (bin * 0x01010101) >> 24; // AMD CPU
// bin += bin >> 8;
// bin += bin >> 16;
// return bin & 0b111111;
//}
//uint32_t AllCases::binary_reverse(uint32_t bin) { // reverse binary every 2-bits
// bin = ((bin << 16) & 0xFFFF0000) | ((bin >> 16) & 0x0000FFFF);
// bin = ((bin << 8) & 0xFF00FF00) | ((bin >> 8) & 0x00FF00FF);
// bin = ((bin << 4) & 0xF0F0F0F0) | ((bin >> 4) & 0x0F0F0F0F);
// return ((bin << 2) & 0xCCCCCCCC) | ((bin >> 2) & 0x33333333);
//}
//bool AllCases::check_case(uint32_t head, uint32_t range) { // check whether the case is valid
// uint32_t mask = 0b110011 << head; // fill 2x2 block
// for (int addr = 0; range; range >>= 2) { // traverse every 2-bits
// while (mask >> addr & 0b1) {
// ++addr; // search next not filled block
// }
// switch (range & 0b11) {
// case 0b00: // space block
// case 0b11: // 1x1 block
// if (addr > 19) { // invalid address
// return false;
// }
// mask |= 0b1 << addr; // fill 1x1 block
// break;
// case 0b10: // 2x1 block
// if (addr > 15 || mask >> (addr + 4) & 0b1) { // invalid address
// return false;
// }
// mask |= 0b10001 << addr; // fill 2x1 block
// break;
// case 0b01: // 1x2 block
// if (addr > 18 || (addr & 0b11) == 0b11 || mask >> (addr + 1) & 0b1) { // invalid address
// return false;
// }
// mask |= 0b11 << addr; // fill 1x2 block
// break;
// }
// }
// return true; // valid case
//}
//void AllCases::generate_ranges(int n1, int n2, int n3, int n4) { // build target ranges
// int len, limit;
// constexpr uint32_t M_01 = 0b01 << 30;
// constexpr uint32_t M_10 = 0b10 << 30;
// constexpr uint32_t M_11 = 0b11 << 30;
// std::vector<uint32_t> cache_1, cache_2;
//
// len = n1 + n2;
// limit = 0b1 << len;
// for (uint32_t bin = 0; bin < limit; ++bin) {
// if (binary_count(bin) != n2) { // skip binary without `n2` non-zero bits
// continue;
// }
// uint32_t range = 0;
// for (int i = 0; i < len; ++i) { // generate range base on binary value
// range >>= 2;
// if ((bin >> i) & 0b1) { // non-zero bit
// range |= M_01; // 01000...
// }
// }
// cache_1.emplace_back(range); // insert into first layer
// }
//
// len += n3;
// limit <<= n3;
// for (uint32_t bin = 0; bin < limit; ++bin) {
// if (binary_count(bin) != n3) { // skip binary without `n3` non-zero bits
// continue;
// }
// for (uint32_t base : cache_1) { // traverse first layer
// uint32_t range = 0;
// for (int i = 0; i < len; ++i) { // generate range base on binary value
// if ((bin >> i) & 0b1) { // non-zero bit
// (range >>= 2) |= M_10; // 10000...
// continue;
// }
// (range >>= 2) |= base & M_11;
// base <<= 2;
// }
// cache_2.emplace_back(range); // insert into second layer
// }
// }
//
// len += n4;
// limit <<= n4;
// for (uint32_t bin = 0; bin < limit; ++bin) {
// if (binary_count(bin) != n4) { // skip binary without `n4` non-zero bits
// continue;
// }
// for (uint32_t base : cache_2) { // traverse second layer
// uint32_t range = 0;
// for (int i = 0; i < len; ++i) { // generate range base on binary value
// if ((bin >> i) & 0b1) { // non-zero bit
// (range >>= 2) |= M_11; // 11000...
// continue;
// }
// (range >>= 2) |= base & M_11;
// base <<= 2;
// }
// basic_ranges.emplace_back(range); // insert into release ranges
// }
// }
//}
//void AllCases::load_basic_ranges() { // load basic ranges
// for (int n = 0; n <= 7; ++n) { // number of 1x2 and 2x1 block -> 0 ~ 7
// for (int n_2x1 = 0; n_2x1 <= n; ++n_2x1) { // number of 2x1 block -> 0 ~ n
// for (int n_1x1 = 0; n_1x1 <= (14 - n * 2); ++n_1x1) { // number of 1x1 block -> 0 ~ (14 - 2n)
// int n_1x2 = n - n_2x1;
// int n_space = 16 - n * 2 - n_1x1;
// /// 0x0 -> 00 | 1x2 -> 01 | 2x1 -> 10 | 1x1 -> 11
// generate_ranges(n_space, n_1x2, n_2x1, n_1x1); // build target ranges
// }
// }
// }
// std::sort(basic_ranges.begin(), basic_ranges.end()); // sort basic ranges
// for (uint32_t &range : basic_ranges) {
// range = binary_reverse(range); // range reverse
// }
//}
//void AllCases::find_all_cases() { // find all valid cases
// for (uint32_t head = 0; head < 16; ++head) { // address for 2x2 block
// if ((head & 0b11) == 0b11) {
// continue;
// }
// all_cases[head].clear();
// for (uint32_t range : basic_ranges) { // combine 2x2 address and range
// if (check_case(head, range)) {
// all_cases[head].emplace_back(binary_reverse(range)); // found valid case
// }
// }
// }
//}

31
all_cases/all_cases.h
View File

@ -3,20 +3,19 @@
#include <iostream> #include <iostream>
#include <vector> #include <vector>
class AllCases { //class AllCases {
public: //public:
AllCases() { // AllCases() {
load_basic_ranges(); // load_basic_ranges();
} // }
void find_all_cases(); // void find_all_cases();
std::vector<uint32_t> all_cases[16]; // std::vector<uint32_t> all_cases[16];
std::vector<uint32_t> basic_ranges; // std::vector<uint32_t> basic_ranges;
//
static uint32_t binary_reverse(uint32_t bin); // static uint32_t binary_reverse(uint32_t bin);
static bool check_case(uint32_t head, uint32_t range);
private:
void load_basic_ranges();
void generate_ranges(int n1, int n2, int n3, int n4);
// static bool check_case(uint32_t head, uint32_t range); // static bool check_case(uint32_t head, uint32_t range);
}; //
//private:
// void load_basic_ranges();
// void generate_ranges(int n1, int n2, int n3, int n4);
//};

160
all_cases/short_code.cc
View File

@ -3,7 +3,7 @@
#include <unordered_map> #include <unordered_map>
#include "all_cases.h" #include "all_cases.h"
#include "short_code.h" #include "short_code.h"
#include "short_code_mark.h" //#include "short_code_mark.h"
// TODO: try to remove: `0` `O` `I` `l` // TODO: try to remove: `0` `O` `I` `l`
@ -49,85 +49,85 @@ uint32_t code_from_string(const std::string &short_code) {
return result; return result;
} }
uint64_t unzip_short_code(uint32_t short_code) { //uint64_t unzip_short_code(uint32_t short_code) {
//
auto a = AllCases(); // load basic ranges // auto a = AllCases(); // load basic ranges
//
std::cout << "short code: " << short_code << std::endl; // std::cout << "short code: " << short_code << std::endl;
//
uint32_t head = 0; // uint32_t head = 0;
for (; head < 16; ++head) { // for (; head < 16; ++head) {
if (short_code < ALL_CASES_INDEX[head]) { // if (short_code < ALL_CASES_INDEX[head]) {
break; // break;
} // }
short_code -= ALL_CASES_INDEX[head]; // short_code -= ALL_CASES_INDEX[head];
} // }
//
std::cout << "head: " << head << std::endl; // std::cout << "head: " << head << std::endl;
std::cout << "short code: " << short_code << std::endl; // std::cout << "short code: " << short_code << std::endl;
//
uint32_t prefix = 0; // uint32_t prefix = 0;
for (; prefix < 256; ++prefix) { // for (; prefix < 256; ++prefix) {
if (short_code < RANGE_PREFIX_INDEX[head][prefix]) { // if (short_code < RANGE_PREFIX_INDEX[head][prefix]) {
break; // break;
} // }
short_code -= RANGE_PREFIX_INDEX[head][prefix]; // short_code -= RANGE_PREFIX_INDEX[head][prefix];
} // }
//
std::cout << "prefix: " << prefix << std::endl; // std::cout << "prefix: " << prefix << std::endl;
std::cout << "short code: " << short_code << std::endl; // std::cout << "short code: " << short_code << std::endl;
//
uint32_t range; // uint32_t range;
for (int i = 0; i < BASIC_RANGES_INDEX[prefix]; ++i) { // for (int i = 0; i < BASIC_RANGES_INDEX[prefix]; ++i) {
range = a.basic_ranges[i + BASIC_RANGES_OFFSET[prefix]]; // range = a.basic_ranges[i + BASIC_RANGES_OFFSET[prefix]];
if (AllCases::check_case(head, range)) { // if (AllCases::check_case(head, range)) {
if (short_code == 0) { // if (short_code == 0) {
break; // break;
} // }
--short_code; // --short_code;
} // }
} // }
return (uint64_t)head << 32 | AllCases::binary_reverse(range); // return (uint64_t)head << 32 | AllCases::binary_reverse(range);
} //}
uint32_t zip_short_code(uint64_t code) {
auto a = AllCases(); // load basic ranges
uint32_t head = code >> 32;
uint32_t head_offset = ALL_CASES_OFFSET[head];
std::cout << "head: " << head << std::endl;
std::cout << "head offset: " << head_offset << std::endl;
uint32_t prefix = (code >> 24) & 0xFF;
uint32_t prefix_offset = RANGE_PREFIX_OFFSET[head][prefix];
std::cout << "prefix: " << prefix << std::endl;
std::cout << "prefix offset: " << prefix_offset << std::endl;
uint32_t basic_index = BASIC_RANGES_INDEX[prefix];
uint32_t basic_offset = BASIC_RANGES_OFFSET[prefix];
std::cout << "basic index: " << basic_index << std::endl;
std::cout << "basic offset: " << basic_offset << std::endl;
auto target_range = AllCases::binary_reverse((uint32_t)code);
printf("target range -> %08X\n", target_range);
uint32_t sub_offset = 0;
for (int i = 0; i < basic_index; ++i) {
uint32_t range = a.basic_ranges[i + basic_offset];
if (range == target_range) {
break;
}
if (AllCases::check_case(head, range)) {
++sub_offset;
}
}
std::cout << "sub offset: " << sub_offset << std::endl;
return head_offset + prefix_offset + sub_offset; //uint32_t zip_short_code(uint64_t code) {
} // auto a = AllCases(); // load basic ranges
//
// uint32_t head = code >> 32;
// uint32_t head_offset = ALL_CASES_OFFSET[head];
//
// std::cout << "head: " << head << std::endl;
// std::cout << "head offset: " << head_offset << std::endl;
//
// uint32_t prefix = (code >> 24) & 0xFF;
// uint32_t prefix_offset = RANGE_PREFIX_OFFSET[head][prefix];
//
// std::cout << "prefix: " << prefix << std::endl;
// std::cout << "prefix offset: " << prefix_offset << std::endl;
//
// uint32_t basic_index = BASIC_RANGES_INDEX[prefix];
// uint32_t basic_offset = BASIC_RANGES_OFFSET[prefix];
//
// std::cout << "basic index: " << basic_index << std::endl;
// std::cout << "basic offset: " << basic_offset << std::endl;
//
// auto target_range = AllCases::binary_reverse((uint32_t)code);
// printf("target range -> %08X\n", target_range);
//
// uint32_t sub_offset = 0;
// for (int i = 0; i < basic_index; ++i) {
// uint32_t range = a.basic_ranges[i + basic_offset];
// if (range == target_range) {
// break;
// }
// if (AllCases::check_case(head, range)) {
// ++sub_offset;
// }
// }
// std::cout << "sub offset: " << sub_offset << std::endl;
//
// return head_offset + prefix_offset + sub_offset;
//}
int main() { int main() {
@ -139,7 +139,7 @@ int main() {
return 0; return 0;
auto a = AllCases(); // auto a = AllCases();
// a.find_all_cases(); // a.find_all_cases();
// std::vector<uint64_t> all_cases; // std::vector<uint64_t> all_cases;

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