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D.13.2.42 uniquePoint

Procedure from library gfan.lib (see gfan_lib).

Usage:
uniquePoint(c); c cone

Return:
bigintmat, a unique point in c stable under reflections at coordinate hyperplanes

Example:
 
LIB "gfan.lib";
intmat M1[2][2]=
1,0,
0,1;
cone c1=coneViaPoints(M1);
uniquePoint(c1);
==> 1,1
intmat M2[2][2]=
-1,0,
0,1;
cone c2=coneViaPoints(M2);
uniquePoint(c2);
==> -1,1


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