%N whenfge %F $MIR/src/subs/math.for
%D Return locations greater than or equal to the target.
%P pjt
%: scilib
%B
        subroutine whenfge(n,array,inc,target,index,nval)

        implicit none
        integer n,inc,nval
        integer index(*)
        real array(*),target

  Whenfge returns the all the locations in a real array greater than or equal
  to the real target.

  Inputs:
    n          Number of elements to be searched.
    array      The real array to be searched.
    inc        Skip distance between elements of the searched array.
    target     Real value to be searched for in the array.

  Output:
    index      The integer array containing the index of locations
               greater than or equal to the target.
    nval       Number of values put in the index array.

  Reference:
  See page 4-65 to 4-71 of the Cray "Library Reference Manual".
