Add mul::info() and add::info() support for numeric info_flags.
authorRichard Kreckel <kreckel@ginac.de>
Sun, 11 Oct 2009 21:19:21 +0000 (23:19 +0200)
committerRichard Kreckel <kreckel@ginac.de>
Sun, 11 Oct 2009 21:19:21 +0000 (23:19 +0200)
commit5631205a455c42a32ce9d50b6c99df0f1ad6b4e7
treec102871a508d96155439ff1068a38abbba5a5426
parent9b5d06b34d3ee5f0ccd3c500be38fcdf61222956
Add mul::info() and add::info() support for numeric info_flags.

This way, GiNaC knows that the sum or product of a number of positive
expressions is again a positive expression. [by Vladimir Kisil]
ginac/add.cpp
ginac/flags.h
ginac/mul.cpp
ginac/power.cpp