c****************************************************************

	subroutine lincomb(r_k1,r_u,r_k2,r_v,r_w)

c****************************************************************
c**
c**	FILE NAME: lincomb.f
c**
c**     DATE WRITTEN: 8/3/90
c**
c**     PROGRAMMER:Scott Hensley
c**
c** 	FUNCTIONAL DESCRIPTION: The subroutine forms the linear combination
c**	of two vectors.
c**
c**     ROUTINES CALLED:none
c**  
c**     NOTES: none
c**
c**     UPDATE LOG:
c**
c*****************************************************************

       	implicit none

c	INPUT VARIABLES:
        real*8 r_u(3)                              !3x1 vector
        real*8 r_v(3)                              !3x1 vector
        real*8 r_k1				 !scalar
        real*8 r_k2				 !scalar
   
c   	OUTPUT VARIABLES:
        real*8 r_w(3)                              !3x1 vector

c	LOCAL VARIABLES:none

c  	PROCESSING STEPS:

c       compute linear combination

	r_w(1) = r_k1*r_u(1) + r_k2*r_v(1)
	r_w(2) = r_k1*r_u(2) + r_k2*r_v(2)
	r_w(3) = r_k1*r_u(3) + r_k2*r_v(3)
      
        end