Fixed compilation with SOFA_FLOAT

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9839 b7f1a160-662a-0410-a6d8-bea165342f16
Fixed compilation with SOFA_FLOAT

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9840 b7f1a160-662a-0410-a6d8-bea165342f16