Code cleanup: Ensure that a floats remain floats all the way through expressions.
Code cleanup: Ensure that a floats remain floats all the way through expressions.

curieos/Slic3r,alexrj/Slic3r,alexrj/Slic3r,alexrj/Slic3r,lordofhyphens/Slic3r,lordofhyphens/Slic3r,pieis2pi/Slic3r,alexrj/Slic3r,curieos/Slic3r,alexrj/Slic3r,lordofhyphens/Slic3r,pieis2pi/Slic3r,lordofhyphens/Slic3r,pieis2pi/Slic3r,alexrj/Slic3r,curieos/Slic3r,curieos/Slic3r,lordofhyphens/Slic3r,curieos/Slic3r,pieis2pi/Slic3r,pieis2pi/Slic3r,pieis2pi/Slic3r,lordofhyphens/Slic3r,curieos/Slic3r