From Alberto Luaces, removed #include <cmath> as it was cause a build problem under Cygwin.
From Alberto Luaces, removed #include <cmath> as it was cause a build problem under Cygwin.


XiaoCC/osg,stmh/osg,artoolkit/osg,koshman86/osg,koshman86/osg,omega-hub/osg,artoolkit/osg,ghub/osg,ntoand/osg,omega-hub/osg,stmh/osg,XiaoCC/osg,ghub/osg,artoolkit/osg,stmh/osg,XiaoCC/osg,stmh/osg,ntoand/osg,ntoand/osg,ghub/osg,koshman86/osg,stmh/osg,artoolkit/osg,omega-hub/osg,ghub/osg,XiaoCC/osg,XiaoCC/osg,omega-hub/osg,ntoand/osg,koshman86/osg