src/maths.h@6da867fa5429 (annotated)
src/maths.h
Sun, 19 Jan 2020 02:54:48 +0200
- author
- Teemu Piippo <teemu@hecknology.net>
- date
- Sun, 19 Jan 2020 02:54:48 +0200
- changeset 22
- 6da867fa5429
- parent 20
- cef43609a374
- child 24
- 1a0faaaceb84
- permissions
- -rw-r--r--
commit work on GL rendering
| 20 | 1 | #pragma once |
| 2 | #include <cmath> | |
| 3 | ||
| 4 | namespace math | |
| 5 | { | |
| 6 | using std::abs; | |
| 7 | using std::sqrt; | |
| 8 | using std::sin; | |
| 9 | using std::cos; | |
| 10 | using std::tan; | |
| 11 | using std::atan; | |
| 12 | using std::atan2; | |
| 13 | using std::acos; | |
| 14 | using std::asin; | |
| 15 | using std::exp; | |
| 16 | using std::log; | |
| 17 | using std::log10; | |
| 18 | using std::hypot; | |
| 19 | using std::floor; | |
| 20 | using std::ceil; | |
| 21 | using std::trunc; | |
| 22 | using std::round; | |
| 23 | template<typename T, typename... Rest> | |
| 24 | inline auto hypot(T&& x, Rest&&... rest) | |
| 25 | { | |
| 26 | return math::hypot(x, math::hypot(rest...)); | |
| 27 | } | |
| 28 | template<typename T, typename... Rest> | |
| 29 | const T& max(const T& x, const T& y) | |
| 30 | { | |
| 31 | if (x > y) | |
| 32 | return x; | |
| 33 | else | |
| 34 | return y; | |
| 35 | } | |
| 36 | template<typename T, typename... Rest> | |
| 37 | const T& max(const T& x, const T& y, Rest&&... rest) | |
| 38 | { | |
| 39 | return math::max(x, math::max(y, rest...)); | |
| 40 | } | |
| 41 | template<typename T, typename... Rest> | |
| 42 | const T& min(const T& x, const T& y) | |
| 43 | { | |
| 44 | if (x < y) | |
| 45 | return x; | |
| 46 | else | |
| 47 | return y; | |
| 48 | } | |
| 49 | template<typename T, typename... Rest> | |
| 50 | const T& min(const T& x, const T& y, Rest&&... rest) | |
| 51 | { | |
| 52 | return math::min(x, math::min(y, rest...)); | |
| 53 | } | |
| 54 | constexpr double infinity = std::numeric_limits<double>::infinity(); | |
| 55 | constexpr long double pi = M_PIl; | |
| 56 | } |
