C
C
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C


      subroutine whenmeq(n,array,inc,target,index,nmatch,mask,nright)
      integer n, array(1), inc, target, index(1), nmatch, mask, nright
      integer i, k
*
*     -------------
*     USM What Line
*     -------------
CDIR$ ID "@(#) libu/sci/c2/whenmeq.f	92.0	10/08/98 14:57:41"
*
      nmatch = 0
      if ( n .le. 0 ) return
      if ( inc .ge. 0 ) then
         i = 1
      else
         i = 1 - (n-1)*inc
      end if
      do 100 k = 1, n
         if ( and(mask,shiftr(array(i),nright)) .eq. target ) then
            nmatch = nmatch + 1
            index(nmatch) = k
         end if
         i = i + inc
100   continue
      return
      end
