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NAME
     dlasrt - the numbers in D in increasing order (if ID =  'I')
     or in decreasing order (if ID = 'D' )

SYNOPSIS
     SUBROUTINE DLASRT( ID, N, D, INFO )

     CHARACTER ID

     INTEGER INFO, N

     DOUBLE PRECISION D( * )



     #include <sunperf.h>

     void dlasrt(char id, int n, double *d, int *info) ;

PURPOSE
     Sort the numbers in D in increasing order (if ID =  'I')  or
     in decreasing order (if ID = 'D' ).

     Use Quick Sort, reverting to Insertion sort on arrays of
     size <= 20. Dimension of STACK limits N to about 2**32.


ARGUMENTS
     ID        (input) CHARACTER*1
               = 'I': sort D in increasing order;
               = 'D': sort D in decreasing order.

     N         (input) INTEGER
               The length of the array D.

     D         (input/output) DOUBLE PRECISION  array,  dimension
               (N)
               On entry, the array to be sorted.  On exit, D  has
               been  sorted into increasing order (D(1) <= ... <=
               D(N) ) or into decreasing order (D(1)  >=  ...  >=
               D(N) ), depending on ID.

     INFO      (output) INTEGER
               = 0:  successful exit
               < 0:  if INFO = -i, the i-th argument had an ille-
               gal value

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