src/geo2d/ang_pp/lib.hpp
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #pragma once | ||
| 2 | |||
| 3 | #include "../ds/p/lib.hpp" | ||
| 4 | |||
| 5 | namespace tifa_libs { | ||
| 6 | |||
| 7 | // clamp angle of two points, result in $(-\pi,\pi]$ | ||
| 8 | template <class FP> | ||
| 9 | 47555 | CEXP FP ang_PP(point<FP> CR p1, point<FP> CR p2) NE { return std::atan2(p1 ^ p2, p1 * p2); } | |
| 10 | // clamp angle of two points, result in $[0,2\pi)$ | ||
| 11 | template <class FP> | ||
| 12 | 24 | CEXP FP ang2pi_PP(point<FP> CR p1, point<FP> CR p2) NE { | |
| 13 | 24 | const FP res = ang_PP(p1, p2); | |
| 14 | 24 | retif_((is_neg(res)), res + 2 * pi_v<FP>, res); | |
| 15 | } | ||
| 16 | |||
| 17 | } // namespace tifa_libs | ||
| 18 |