Fix some pedantic compiler warnings.
authorRichard Kreckel <kreckel@ginac.de>
Sun, 8 Nov 2015 22:18:19 +0000 (23:18 +0100)
committerRichard Kreckel <kreckel@ginac.de>
Sun, 8 Nov 2015 22:18:19 +0000 (23:18 +0100)
commit852fb174c43b49a3ce1b568f959d23e8a1959ee1
treec8e93c3fed8c33abfdc3465b6dd5b08eb3add4dc
parent20159f92a9ffad034172bd36d532e5ffd24c9ff2
Fix some pedantic compiler warnings.

Found with CLang++ -Wall. (There remain some more, but these are
more ugly to fix.)
ginac/basic.h
ginac/factor.cpp
ginac/numeric.cpp
ginac/ptr.h