Synced to HEAD

[ginac.git] / ginac / flags.h

diff --git a/ginac/flags.h b/ginac/flags.h
index 35cb6e3b0803e62323d09aa5cad55baf2960734c..1bd1bf42cee2bff82a352f6c2c17a68ac54b237b 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) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2004 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
@@ -47,6 +47,15 @@ public:
        };
 };
 
+/** Domain of an object */
+class domain {
+public:
+       enum {
+               complex,
+               real
+       };
+};
+
 /** Flags to control series expansion. */
 class series_options {
 public:
@@ -169,7 +178,8 @@ public:
                dynallocated    = 0x0001, ///< heap-allocated (i.e. created by new if we want to be clever and bypass the stack, @see ex::construct_from_basic() )
                evaluated       = 0x0002, ///< .eval() has already done its job
                expanded        = 0x0004, ///< .expand(0) has already done its job (other expand() options ignore this flag)
-               hash_calculated = 0x0008  ///< .calchash() has already done its job
+               hash_calculated = 0x0008, ///< .calchash() has already done its job
+               not_shareable   = 0x0010  ///< don't share instances of this object between different expressions unless explicitly asked to (used by ex::compare())
        };
 };