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D.13.1.11 containsInSupport
Procedure from library gfan.lib (see gfan_lib).
- Usage:
- containsInSupport(c,d); c cone, d cone
containsInSupport(c,p); c cone, p intvec/bigintmat
- Return:
- 1, if d resp. p is contained in c; 0 otherwise
Example:
| | LIB "gfan.lib";
intmat M[2][2]=
1,0,
0,1;
cone c=coneViaPoints(M);
containsInSupport(c,c);
==> 1
intmat N1[2][2]=
1,1,
0,1;
cone d1=coneViaPoints(N1);
containsInSupport(c,d1);
==> 1
intmat N2[2][2]=
1,1,
1,-1;
cone d2=coneViaPoints(N2);
containsInSupport(c,d2);
==> 0
intvec p1=0,1;
containsInSupport(c,p1);
==> 1
intvec p2=1,-1;
containsInSupport(c,p2);
==> 0
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