Added many comments.

[ginac.git] / ginac / flags.h

diff --git a/ginac/flags.h b/ginac/flags.h
index 372b89932ec995a4f8fe1c2de6c778163cb02150..3002fb716a05ff9677ddc8139c71fffebd58c231 100644 (file)
--- a/ginac/flags.h
+++ b/ginac/flags.h
@@ -3,7 +3,7 @@
  *  Collection of all flags used through the GiNaC framework. */
 
 /*
- *  GiNaC Copyright (C) 1999-2007 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2008 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
@@ -30,7 +30,8 @@ class expand_options {
 public:
        enum {
                expand_indexed = 0x0001,      ///< expands (a+b).i to a.i+b.i
-               expand_function_args = 0x0002 ///< expands the arguments of functions
+               expand_function_args = 0x0002, ///< expands the arguments of functions
+               expand_rename_idx = 0x0004 ///< used internally by mul::expand()
        };
 };
 
@@ -38,7 +39,7 @@ public:
 class has_options {
 public:
        enum {
-               algebraic = 0x0001,              ///< enable algebraic matching
+               algebraic = 0x0001              ///< enable algebraic matching
        };
 };
 
@@ -280,6 +281,15 @@ public:
        };
 };
 
+/** Flags to control the polynomial factorization. */
+class factor_options {
+public:
+       enum {
+               polynomial = 0x0000, ///< factor only expressions that are polynomials
+               all        = 0x0001  ///< factor all polynomial subexpressions
+       };
+};
+
 } // namespace GiNaC
 
 #endif // ndef __GINAC_FLAGS_H__