William Stevens Hamondorf
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| int64_t ipow(int64_t base, uint8_t exp) { | |
| static const uint8_t highest_bit_set[] = { | |
| 0, 1, 2, 2, 3, 3, 3, 3, | |
| 4, 4, 4, 4, 4, 4, 4, 4, | |
| 5, 5, 5, 5, 5, 5, 5, 5, | |
| 5, 5, 5, 5, 5, 5, 5, 5, | |
| 6, 6, 6, 6, 6, 6, 6, 6, | |
| 6, 6, 6, 6, 6, 6, 6, 6, | |
| 6, 6, 6, 6, 6, 6, 6, 6, | |
| 6, 6, 6, 6, 6, 6, 6, 255, // anything past 63 is a guaranteed overflow with base > 1 |
TartanLlama
/ integral_variable.cpp
Created
June 28, 2016 08:40
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| #include <utility> | |
| #include <iostream> | |
| #include <cstddef> | |
| namespace atch { namespace { | |
| template<class Tag> | |
| struct meta_counter { | |
| using size_type = std::size_t; | |
| template<size_type N> |