Changeset 8bdaab in git for kernel/gfan.cc

Timestamp:

Feb 25, 2009, 3:30:25 PM (15 years ago)

Author:

Martin Monerjan

Branches:

(u'spielwiese', 'a7324b6e0b44a1a8ed3fa4d9ca3e2ff210ddd52c')

Children:

d5f35098e5ff96b29b884a0163b8da1d417b7de6

Parents:

7012d0f08e30c9406b7eb002fa6bd6b55e8cd1cd

Message:

First glimpse of class facet and class gcone


git-svn-id: file:///usr/local/Singular/svn/trunk@11465 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

• kernel/gfan.cc (modified) (2 diffs)

kernel/gfan.cc

@@ -2 +2 @@
 Compute the Groebner fan of an ideal
 Author: $Author: monerjan $
-Date: $Date: 2009-02-23 15:12:49 $
-Header: $Header: /exports/cvsroot-2/cvsroot/kernel/gfan.cc,v 1.15 2009-02-23 15:12:49 monerjan Exp $
-Id: $Id: gfan.cc,v 1.15 2009-02-23 15:12:49 monerjan Exp $
+Date: $Date: 2009-02-25 14:30:25 $
+Header: $Header: /exports/cvsroot-2/cvsroot/kernel/gfan.cc,v 1.16 2009-02-25 14:30:25 monerjan Exp $
+Id: $Id: gfan.cc,v 1.16 2009-02-25 14:30:25 monerjan Exp $
 */
 
@@ -23 +23 @@
 #endif
 
+class facet
+{
+        private:
+                intvec fnormal;         //inner normal, describing the facet uniquely
+        public:
+                facet();                //constructor
+                bool isflippable;       //flippable facet?
+};
+
+/*class gcone
+finally this should become s.th. like gconelib.{h,cc} to provide an API
+*/
+class gcone
+{
+public:
+        gcone(int);             //constructor with dimension
+        poly gc_marked_term;    //marked terms of the cone's Gröbner basis
+        ideal gc_basis;         //GB of the cone
+        gcone *next;            //Pointer to *previous* cone in search tree
+        
+        void flip();            //Compute "the other side"
+
+};//class gcone
+
 ideal getGB(ideal inputIdeal)
 {
         #ifdef gfan_DEBUG
-        printf("Now in getGB\n");
+        printf("Computing a groebner basis...\n");
         #endif