计算几何大全,c++代码,内含点,直线,线段,圆,弧,多边形等求交,相互关系等等各种算法,对CAD等编程有很大帮助-computational geometry Daquan, c code, intron, straight line, circle, arc, polygon, etc. intersection, mutual relations, and so on various algorithms, such as the CAD program is very helpful
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