tcoork3.F

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!||====================================================================
!||    tcoork3   ../engine/source/elements/truss/tcoork3.F
!||--- called by ------------------------------------------------------
!||    tke3      ../engine/source/elements/truss/tke3.F
!||====================================================================
      SUBROUTINE tcoork3(JFT    ,JLT    ,X      ,NCC   ,MAT    ,
     1                   NGL    ,AL     ,R11    ,R21   ,R31    ,
     2                   OFFG   ,OFF    )
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   G l o b a l   P a r a m e t e r s
C-----------------------------------------------
#include      "mvsiz_p.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER JFT, JLT 
      INTEGER NCC(NIXT,*),MAT(*),NGL(*)
      my_real x(3,*), al(*),r11(*),r21(*),r31(*) ,offg(*),off(*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I, J,NC1(MVSIZ),NC2(MVSIZ)
      my_real
     .   x1(mvsiz), x2(mvsiz),y1(mvsiz), y2(mvsiz),  
     .   z1(mvsiz), z2(mvsiz), norm
C-----------------------------------------------
C   S o u r c e   L i n e s
C-----------------------------------------------
      DO i=jft,jlt
       ngl(i)=ncc(5,i)
       mat(i)=ncc(1,i)
       nc1(i)=ncc(2,i)
       nc2(i)=ncc(3,i)
      ENDDO 
C----------------------------
C     COORDONNEES
C----------------------------
      DO i=jft,jlt
       x1(i)=x(1,nc1(i))
       y1(i)=x(2,nc1(i))
       z1(i)=x(3,nc1(i))
       x2(i)=x(1,nc2(i))
       y2(i)=x(2,nc2(i))
       z2(i)=x(3,nc2(i))
      ENDDO 
C----------------------------
C     LOCAL SYSTEM
C----------------------------
      DO  i=jft,jlt
       r11(i)=x2(i)-x1(i)
       r21(i)=y2(i)-y1(i)
       r31(i)=z2(i)-z1(i)
       al(i)=sqrt(r11(i)*r11(i)+r21(i)*r21(i)+r31(i)*r31(i))
       norm=one/al(i)
       r11(i)=r11(i)*norm
       r21(i)=r21(i)*norm
       r31(i)=r31(i)*norm
      ENDDO 
C----------------------------
C     OFF
C----------------------------
      DO i=jft,jlt
       off(i)  = offg(i)
      ENDDO 
C
      RETURN
      END