- introduced info_flag::algebraic.

[ginac.git] / ginac / flags.h

diff --git a/ginac/flags.h b/ginac/flags.h
index 76fe8217aaa6c38e0d675654d1a4ca87bd475c88..8b9caed477db87c54015de4b1619f7001a6237fb 100644 (file)
--- a/ginac/flags.h
+++ b/ginac/flags.h
@@ -2,8 +2,30 @@
  *
  *  Collection of all flags used through the GiNaC framework. */
 
-#ifndef _FLAGS_H_
-#define _FLAGS_H_
+/*
+ *  GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef __GINAC_FLAGS_H__
+#define __GINAC_FLAGS_H__
+
+#ifndef NO_NAMESPACE_GINAC
+namespace GiNaC {
+#endif // ndef NO_NAMESPACE_GINAC
 
 class expand_options {
 public:
@@ -20,14 +42,17 @@ public:
          };
 };
 
+/** Possible attributes an object can have. */
 class info_flags {
 public:
-    enum { 
+    enum {
            // answered by class numeric
            numeric,
            real,
            rational,
            integer,
+           crational,
+           cinteger,
            positive,
            negative,
            nonnegative,
@@ -37,7 +62,7 @@ public:
            even,
            odd,
            prime,
-
+           
            // answered by class relation
            relation,
            relation_equal,
@@ -46,35 +71,35 @@ public:
            relation_less_or_equal,
            relation_greater,
            relation_greater_or_equal,
-
+           
            // answered by class symbol
            symbol,
-
+           
            // answered by class lst
            list,
-
+           
            // answered by class exprseq
            exprseq,
-
+           
            // answered by classes numeric, symbol, add, mul, power
            polynomial,
            integer_polynomial,
+           cinteger_polynomial,
            rational_polynomial,
+           crational_polynomial,
            rational_function,
-
-           // answered by class ex
-           normal_form,
+           algebraic,
            
            // answered by class indexed
            indexed,      // class can carry indices
            has_indices,  // object has at least one index
-
+           
            // answered by class idx
            idx,
-
+           
            // answered by class coloridx
            coloridx,
-
+           
            // answered by class lorentzidx
            lorentzidx
     };
@@ -94,4 +119,17 @@ public:
        };
 };
 
-#endif // ndef _FLAGS_H_
+class remember_strategies {
+public:
+    enum { delete_never, // let table grow undefinitely, not recommmended, but currently default
+           delete_lru,   // least recently used
+           delete_lfu,   // least frequently used
+           delete_cyclic // first one in list (oldest)
+    };
+};
+
+#ifndef NO_NAMESPACE_GINAC
+} // namespace GiNaC
+#endif // ndef NO_NAMESPACE_GINAC
+
+#endif // ndef __GINAC_FLAGS_H__