C OCP        LOGICAL VARIABLES PERTAINING TO O AND X0
C
C OCP(4)     TRUE IF ACCUMULATION OF O MATRIX HAS BEGUN.
C OVP(NPVAR) TRUE IF ACCUMULATION OF OV HAS BEGUN
C
      LOGICAL         OCP(4), OVP(NPVAR)
C
      COMMON /OCP/    OCP, OVP