mirror of https://github.com/dnomd343/klotski.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
21 lines
736 B
21 lines
736 B
2 years ago
|
#include "common.h"
|
||
|
|
|
||
|
|
void binary_reverse(uint32_t &range) { // reverse binary every 2 bits
|
||
|
|
range = ((range << 16) & 0xFFFF0000) | ((range >> 16) & 0x0000FFFF);
|
||
|
|
range = ((range << 8) & 0xFF00FF00) | ((range >> 8) & 0x00FF00FF);
|
||
|
|
range = ((range << 4) & 0xF0F0F0F0) | ((range >> 4) & 0x0F0F0F0F);
|
||
|
|
range = ((range << 2) & 0xCCCCCCCC) | ((range >> 2) & 0x33333333);
|
||
|
|
}
|
||
|
|
|
||
|
|
void binary_to_str(uint64_t binary, char *string) {
|
||
|
|
for (int i = 0; i < 9; ++i, ++string) { // only read low 9 * 4 bits
|
||
|
|
*string = int8_t(binary >> (8 - i) * 4 & 0xF);
|
||
|
|
if (*string < 10) {
|
||
|
|
*string += 48; // 0 -> 48
|
||
|
|
} else {
|
||
|
|
*string += 55; // A -> 65
|
||
|
|
}
|
||
|
|
}
|
||
|
|
string[9] = 0x0; // string ending
|
||
|
|
}
|