C ELM8D     COORDINATE TRANSFORMATIONS BETWEEN PIVOT POINT AND MAGNET FACE
C
C OT(3,3)     COORDINATE ROTATION BETWEEN PIVOT POINT AND ENTRANCE FACE
C XT(3)       VECTOR FROM PIVOT POINT TO ENTRANCE FACE
C OR(3,3)     COORDINATE ROTATION BETWEEN PIVOT POINT AND EXIT FACE
C XR(3)       VECTOR FROM PIVOT POINT TO EXIT FACE
C OSV(3,3)    COORDINATE ROTATION FROM ENTRANCE FACE TO EXIT FACE OF LAST 
C                        PHYSICAL ELEMENT
C X0SV(3)     VECTOR FROM ENTRANCE FACE TO EXIT FACE OF LAST PHYSICAL ELEMENT
C
      REAL           OT(3,3), XT(3), OR(3,3), XR(3), OSV(3,3), X0SV(3)
C
      COMMON /ELM8D/ OT, XT, OR, XR, OSV, X0SV