!>
!> DLAORD sorts the elements of a vector x in increasing or decreasing
!> order.
!> 

JOB

!>          JOB is CHARACTER
!>          = 'I':  Sort in increasing order
!>          = 'D':  Sort in decreasing order
!> 

N

!>          N is INTEGER
!>          The length of the vector X.
!> 

X

!>          X is DOUBLE PRECISION array, dimension
!>                         (1+(N-1)*INCX)
!>          On entry, the vector of length n to be sorted.
!>          On exit, the vector x is sorted in the prescribed order.
!> 

INCX

!>          INCX is INTEGER
!>          The spacing between successive elements of X.  INCX >= 0.
!> 

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