! The f77 software here was taken from the popular textbook
! "Finite Elements, An Introduction, Vol. 1", by
! E. B. Becker, G. F. Carey, J. T. Oden, 
! Copyright Prentice Hall, 1981, all rights reserved
! 
! At Prof. Becker's request the old Fortran 77 version was 
! converted to a Fortran 90 version, by Prof. J. E. Akin of 
! Rice University, Oct. 2, 1998, (akin@rice.edu).
!
! CODE1 was the original 1-dimensional version of the finite 
! element software in that text.  The new version has been renamed 
! new_code1.f90.  Sample input data and the corresponding output
! are also given here.
!
! Release 2.0, Allocatable Double Precision f90 version 
! Copyright 1998 J. E. Akin