Top
Back: inequalities
Forward: isOrigin
FastBack:
FastForward:
Up: gfan_lib
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

D.13.2.26 isFullSpace

Procedure from library gfan.lib (see gfan_lib).

Usage:
isFullSpace(c); c cone

Return:
1, if c is the entire ambient space; 0 otherwise

Example:
 
LIB "gfan.lib";
cone c1;
isFullSpace(c1);
==> 1
intmat M2[2][2]=
1,0,
0,1;
cone c2=coneViaPoints(M2);
isFullSpace(c2);
==> 0
intmat M3[4][2]=
1,0,
0,1,
-1,0,
0,-1;
cone c3=coneViaPoints(M3);
isFullSpace(c3);
==> 1

Top Back: inequalities Forward: isOrigin FastBack: FastForward: Up: gfan_lib Top: Singular Manual Contents: Table of Contents Index: Index About: About this document
            User manual for Singular version 4.3.1, 2022, generated by texi2html.