Alpar Juttner <alpar@cs.elte.hu> [Fri, 13 Feb 2009 15:01:09 +0000] rev 511
Change LEMON's isnan() to isNaN() for the sake of AIX/xlC
Certain xlC versions implement isnan() as a #define.
Alpar Juttner <alpar@cs.elte.hu> [Fri, 13 Feb 2009 14:56:27 +0000] rev 510
Fix in lp_base.cc targeting AIX/xlC compatibility