comparison: src/generics/functions.h
src/generics/functions.h
- changeset 1430
- 6ce6d3da584f
- parent 1429
- 80e8aaabeeed
equal
deleted
inserted
replaced
| 1429:80e8aaabeeed | 1430:6ce6d3da584f |
|---|---|
| 35 { | 35 { |
| 36 return (::abs(a - ::floor(a)) < 0.00001) or (::abs(a - ::ceil(a)) < 0.00001); | 36 return (::abs(a - ::floor(a)) < 0.00001) or (::abs(a - ::ceil(a)) < 0.00001); |
| 37 } | 37 } |
| 38 | 38 |
| 39 template<typename T> | 39 template<typename T> |
| 40 T squared(T value) | 40 auto constexpr squared(T value) |
| 41 { | |
| 42 return ::pow(value, 2); | |
| 43 } | |
| 44 | |
| 45 template<> | |
| 46 constexpr int squared<int>(int value) | |
| 47 { | 41 { |
| 48 return value * value; | 42 return value * value; |
| 49 } | 43 } |
| 50 | 44 |
| 51 // | 45 // |
| 68 | 62 |
| 69 // http://stackoverflow.com/a/18204188/3629665 | 63 // http://stackoverflow.com/a/18204188/3629665 |
| 70 template<typename T> | 64 template<typename T> |
| 71 constexpr int rotl10(T x) | 65 constexpr int rotl10(T x) |
| 72 { | 66 { |
| 73 return (((x) << 10) | (((x) >> 22) & 0x000000ff)); | 67 return (x << 10) | ((x >> 22) & 0x000000ff); |
| 74 } | 68 } |
| 75 | 69 |
| 76 template<typename T> | 70 template<typename T> |
| 77 constexpr int rotl20(T x) | 71 constexpr int rotl20(T x) |
| 78 { | 72 { |
| 79 return (((x) << 20) | (((x) >> 12) & 0x000000ff)); | 73 return (x << 20) | ((x >> 12) & 0x000000ff); |
| 80 } | 74 } |
| 81 | 75 |
| 82 // | 76 // |
| 83 // Get the amount of elements in something. | 77 // Get the amount of elements in something. |
| 84 // | 78 // |
