1! 2! CalculiX - A 3-dimensional finite element program 3! Copyright (C) 1998-2021 Guido Dhondt 4! 5! This program is free software; you can redistribute it and/or 6! modify it under the terms of the GNU General Public License as 7! published by the Free Software Foundation(version 2); 8! 9! 10! This program is distributed in the hope that it will be useful, 11! but WITHOUT ANY WARRANTY; without even the implied warranty of 12! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13! GNU General Public License for more details. 14! 15! You should have received a copy of the GNU General Public License 16! along with this program; if not, write to the Free Software 17! Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 18! 19 subroutine writematrix(au,ad,irow,jq,neq,number) 20! 21! writes an matrix to file (for debugging purposes) 22! 23 implicit none 24! 25 character*12 name 26 character*14 name2 27! 28 integer irow(*),jq(*),neq,i,j,k,number,ii,row, 29 & column,idiff 30! 31 real*8 au(*),ad(*),help,aij,aji,diff, 32 & maxdiff,maxhelp 33! 34 name='matrix_'//char(number+96)//'.out' 35 name2='matrix_'//char(number+96)//'_t.out' 36 open(10,file=name,status='unknown') 37 write(10,*) 'matrix number ',number 38! 39 do i=1,neq 40 if(ad(i).gt.1.e-20 .or. ad(i).lt. -1.e-20)then 41 write(10,*) 'row ',i,' value ',ad(i) 42 endif 43 enddo 44! 45 diff=0.0 46 idiff=0 47 maxdiff=0.0 48! 49 do i=1,neq 50 k=jq(i+1)-jq(i) 51 if(k.gt.0)write(10,*) 'comlumn ', i 52 help=0.0 53 do j=jq(i),jq(i+1)-1 54 aij=0.0 55 aji=0.0 56 row=i 57 column=irow(j) 58 aij=au(j) 59 write(10,100) i,irow(j),au(j) 60 enddo 61 enddo 62 write(10,*)'maxdiff_impuls',maxhelp 63! 64 close(10) 65 100 format('column ',i10,1x,'row ', i10,1x,'value ',e15.8) 66 101 format('column ',i10,1x,'row ', i10,1x,'value ',e15.8, 67 & 1x,'diff',e15.8) 68 return 69 end 70 71