1 /* This file is part of Shapes.
3 * Shapes is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 3 of the License, or
8 * Shapes is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with Shapes. If not, see <http://www.gnu.org/licenses/>.
16 * Copyright 2008 Henrik Tidefelt
21 /* angleSelectNorm2 minimizes a linear combination of the quadratic angle differences.
22 * It does so by first bringing a1 to the interval [ 0, 2pi ], and then bringing the
23 * second angle to the range a1 + [ -pi, pi ], and then performing the minimization
24 * without the modulo operation involved.
27 angleSelectNorm2( double a1
, double a2
, double w1
, double w2
);