* Collection of all flags used through the GiNaC framework. */
/*
- * GiNaC Copyright (C) 1999-2005 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2007 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
subs_algebraic = 0x0002, // for backwards compatibility
pattern_is_product = 0x0004, ///< used internally by expairseq::subschildren()
pattern_is_not_product = 0x0008, ///< used internally by expairseq::subschildren()
- no_index_renaming = 0x0010
+ no_index_renaming = 0x0010,
+ // To indicate that we want to substitue an index by something that is
+ // is not an index. Without this flag the index value would be
+ // substituted in that case.
+ really_subs_idx = 0x0020
};
};
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
- not_shareable = 0x0010 ///< don't share instances of this object between different expressions unless explicitly asked to (used by ex::compare())
+ not_shareable = 0x0010, ///< don't share instances of this object between different expressions unless explicitly asked to (used by ex::compare())
+ has_indices = 0x0020,
+ has_no_indices = 0x0040 // ! (has_indices || has_no_indices) means "don't know"
};
};
has_indices, // object has at least one index
// answered by class idx
- idx
+ idx,
+
+ // answered by classes numeric, symbol, add, mul, power
+ expanded
};
};