Added delaunay decomposition function
Added delaunay decomposition function

GPMueller/spirit,Disselkamp/spirit,GPMueller/spirit,Disselkamp/spirit,spirit-code/spirit,GPMueller/spirit,Disselkamp/spirit,spirit-code/spirit,spirit-code/spirit,Disselkamp/spirit,GPMueller/spirit,spirit-code/spirit,Disselkamp/spirit,Disselkamp/spirit,spirit-code/spirit,spirit-code/spirit,GPMueller/spirit,GPMueller/spirit