source: CGBLisp/examples/ngeometry.macsyma@ 1

Last change on this file since 1 was 1, checked in by Marek Rychlik, 15 years ago

First import of a version circa 1997.

File size: 531 bytes
Line 
1/*
2 A declarative language for specifying geometric problems
3 and geometric theorem proving
4 */
5
6/* Conventions:
7 * Points and angles are denoted with a symbol;
8 * If A is a point then xA, yA denote its x and y coordinates;
9 * If A is an angle then cA and sA denote ist cos and sin
10 * If A and B are points than lA_B denotes the distance from A to B
11
12A specification of a geometric problem will look like this
13begin_hypotheses();
14parallel(A,B,C,D);
15parallel(A,C,B,D);
16angle(P,A,B,C);
17end_hypotheses();
18
19....
20*/
21
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