Utility class to compare two types and choose an appropriate return type for operations combining them.
Utility class to compare two types and choose an appropriate return
type for operations combining them.



git-svn-id: ffc1bc5b3feaf8644044862cc38c386ade156493@2612 434f946d-2f3d-0410-ba4c-cb9f52fb0dbf

certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh