c Scilab ( http://www.scilab.org/ ) - This file is part of Scilab c Copyright (C) INRIA c c This file must be used under the terms of the CeCILL. c This source file is licensed as described in the file COPYING, which c you should have received as part of this distribution. The terms c are also available at c http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt subroutine wful2sp(ma,na,ar,ai,nel,indr,rr,ri,zeror,zeroi) c converts a full matrix to a sparse representation double precision ar(ma,na),ai(ma,na),rr(*),ri(*) double precision zeror,zeroi integer indr(*) c nel=0 do 5 i=1,ma ni=0 do 4 j=1,na if(ar(i,j).ne.zeror.or.ai(i,j).ne.zeroi) then nel=nel+1 indr(ma+nel)=j rr(nel)=ar(i,j) ri(nel)=ai(i,j) ni=ni+1 endif 4 continue indr(i)=ni 5 continue end