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4.22.4.20 getNegated

Syntax:
getNegated( cone c )
Type:
cone
Purpose:
the negated (or negative) of the cone
Example:
 
intmat M[2][2]=
1,0,
0,1;
cone c=coneViaRays(M);
cone cn=getNegated(c);
cn;
==> AMBIENT_DIM
==> 2
==> INEQUALITIES
==> -1,0,
==> 0,-1
==> EQUATIONS
==> 
print(getRays(cn));
==>     -1     0
==>      0    -1