| 1 | /* @title: Power of (integer) */ |
|---|---|
| 2 | #pragma once |
| 3 | #include <stddef.h> |
| 4 | #include <stdint.h> |
| 5 | |
| 6 | static inline size_t ipow(size_t base, int32_t exp) { |
| 7 | size_t result = 1; |
| 8 | while (exp > 0) { |
| 9 | if (exp & 1) |
| 10 | result *= base; |
| 11 | exp >>= 1; |
| 12 | base *= base; |
| 13 | } |
| 14 | return result; |
| 15 | } |
| 16 | |
| 17 | static inline size_t pow2(size_t n) { |
| 18 | return 1ULL << n; |
| 19 | } |
| 20 |