src/geo2d/tcenter/x/lib.hpp
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #pragma once | ||
| 2 | |||
| 3 | #include "../../ds/t/lib.hpp" | ||
| 4 | |||
| 5 | namespace tifa_libs { | ||
| 6 | |||
| 7 | // fermat center (X13) | ||
| 8 | template <class FP> | ||
| 9 | 4 | CEXP point<FP> center_X(triangle<FP> CR t) NE { | |
| 10 | 4 | auto [A, B, C] = t.angles(); | |
| 11 | 4 | return t.trilinears(1 / std::sin(A + pi_v<FP> / 3), 1 / std::sin(B + pi_v<FP> / 3), 1 / std::sin(C + pi_v<FP> / 3)); | |
| 12 | } | ||
| 13 | |||
| 14 | } // namespace tifa_libs | ||
| 15 |