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 21:24:25 +0000 (23:24 +0200)
commitc7299e51d5ecf61b5d85bdfeb9a2db536abf18bb
tree3331f187acf8eb7cd3467a5dd6ce64f0aff13ef0
parente710763e51b6fe11020bac880c44f426544471c2
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