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4.22.3.25 negatedCone

Syntax:
negatedCone( cone c )
Type:
cone
Purpose:
the negated (or negative) of the cone
Example:
 
LIB"gfanlib.so";
intmat M[2][2]=
1,0,
0,1;
cone c=coneViaPoints(M);
cone cn=negatedCone(c);
cn;
==> AMBIENT_DIM
==> 2
==> FACETS
==> -1, 0,
==>  0,-1
==> LINEAR_SPAN
==> 
==> 
print(rays(cn));
==> -1, 0,
==>  0,-1