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
23 t: [intersection p1 p2]
24 [meetpaths [p1 0]--t [approximator p2 t.p]--[p2 ∞]]
27 buildchain: \ pthList .>
32 tmp: [foldl (\ p e .> [linkpaths p e]) l2 lr]
33 t1: [intersection l1 tmp]
34 ttmp: [intersection tmp l1]
35 [meetpaths t1--[approximator l1 ttmp.p]
36 ttmp--[approximator tmp t1.p]]