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 extrapolate_u(yi,yn,ipkon,inum,kon,lakon,nfield,nk,
20     &  ne,mi,ndim,orab,ielorien,co,iorienloc,cflag,
21     &  vold,force,ielmat,thicke,ielprop,prop,i)
22!
23!     extrapolates nfield values at the integration points to the
24!     nodes for user element i
25!
26      implicit none
27!
28      logical force
29!
30      character*1 cflag
31      character*8 lakon(*)
32!
33      integer ipkon(*),inum(*),kon(*),mi(*),ne,nfield,nk,i,ndim,
34     &  iorienloc,ielorien(mi(3),*),ielmat(mi(3),*),ielprop(*)
35!
36      real*8 yi(ndim,mi(1),*),yn(nfield,*),orab(7,*),co(3,*),prop(*),
37     &  vold(0:mi(2),*),thicke(mi(3),*)
38!
39      if(lakon(i)(2:3).eq.'1 ') then
40         call extrapolate_u1(yi,yn,ipkon,inum,kon,lakon,nfield,nk,
41     &        ne,mi,ndim,orab,ielorien,co,iorienloc,cflag,
42     &        vold,force,ielmat,thicke,ielprop,prop,i)
43      elseif(lakon(i)(2:3).eq.'S3') then
44         call extrapolate_us3(yi,yn,ipkon,inum,kon,lakon,nfield,nk,
45     &        ne,mi,ndim,orab,ielorien,co,iorienloc,cflag,
46     &        vold,force,ielmat,thicke,ielprop,prop,i)
47      elseif(lakon(i)(2:4).eq.'S45') then
48         call extrapolate_us45(yi,yn,ipkon,inum,kon,lakon,nfield,nk,
49     &        ne,mi,ndim,orab,ielorien,co,iorienloc,cflag,
50     &        vold,force,ielmat,thicke,ielprop,prop,i)
51      endif
52!
53      return
54      end
55