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 addimd(imd,nmd,node)
20!
21!     adds entity "node" to field imd. imd contains the
22!     entities selected by the user in which results are to be
23!     calculated in a modal dynamics calculation
24!
25      implicit none
26!
27      integer imd(*),nmd,node,id,l
28!
29      call nident(imd,node,nmd,id)
30      do
31         if(id.gt.0) then
32            if(imd(id).eq.node)exit
33         endif
34         nmd=nmd+1
35         do l=nmd,id+2,-1
36            imd(l)=imd(l-1)
37         enddo
38         imd(id+1)=node
39         exit
40      enddo
41!
42      return
43      end
44