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4.23.1.8 isCompatible

Syntax:
isCompatible( fan f, cone c )
Type:
int
Purpose:
1 iff cone is compatible with the fan; 0 otherwise
Example:
 
LIB"gfanlib.so";
fan f=emptyFan(3);
intmat M1[3][3]=
1,0,0,
0,1,0,
0,0,1;
cone c1=coneViaPoints(M1);
isCompatible(f,c1);
==> 1
insertCone(f,c1);
intmat M2[3][3]=
1,1,1,
1,0,0,
0,1,0;
cone c2=coneViaPoints(M2);
isCompatible(f,c2);
==> 0
intmat M3[3][3]=
1,0,0,
0,1,0,
0,0,-1;
cone c3=coneViaPoints(M3);
isCompatible(f,c3);
==> 1