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!                     version 3; Last Modified: May 7, 2008.
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      FUNCTION VMRFOPR(optnom,opvalr8) 3
*
#if defined (DOC)
*
***s/r VMRFOPR  -real*8 interface for real*4 function MRFOPR. 
*
*Author  : JM Belanger *CMDA/SMC Sept 2000
*Revision:
*
*Arguments: See MRFOPR code for documentation
*    Input:
*      optnom
*      opvalr8
*    Output:
*      none
#endif
      IMPLICIT NONE
*implicits

      integer VMRFOPR 
      real*8 opvalr8
      character*(*) optnom
*
      integer ier
      real opvalr4
*
      integer MRFOPR
      external MRFOPR
*-----7----------------------------------------------------------------
      opvalr4=opvalr8 

      ier = MRFOPR(optnom,opvalr4)

      vmrfopr=ier

      return
      end