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D.13.1.13 containsRelatively

Procedure from library gfan.lib (see gfan_lib).

Usage:
containsRelatively(c,p); c cone, intvec p

Return:
1 iff the given cone contains the given point in its relative interior; 0 otherwise

Example:
 
LIB "gfan.lib";
intmat M[2][2]=
1,0,
0,1;
cone c=coneViaPoints(M);
intvec p1=1,1;
containsRelatively(c,p1);
==> 1
intvec p2=0,1;
containsRelatively(c,p2);
==> 0