single precision changes; corrected intersection with tolerance

src/OpenFOAM/meshes/meshShapes/face/face.H

src/OpenFOAM/meshes/meshShapes/face/faceIntersection.C

src/OpenFOAM/meshes/primitiveShapes/triangle/triangle.H

src/OpenFOAM/meshes/primitiveShapes/triangle/triangleI.H

src/autoMesh/autoHexMesh/trackedParticle/ExactParticle.C

src/meshTools/indexedOctree/indexedOctree.C

src/meshTools/indexedOctree/indexedOctree.H

src/meshTools/indexedOctree/treeDataFace.C

src/meshTools/indexedOctree/treeDataTriSurface.C

src/meshTools/octree/treeBoundBox.C

src/meshTools/octree/treeBoundBox.H

src/meshTools/triSurface/orientedSurface/orientedSurface.C

src/meshTools/triSurface/triSurfaceTools/triSurfaceTools.C

src/meshTools/triSurface/triSurfaceTools/triSurfaceTools.H

src/meshTools/triSurface/triangleFuncs/triangleFuncs.C

src/meshTools/triSurface/triangleFuncs/triangleFuncs.H