DLASRT2(l) LAPACK routine (version 1.5) DLASRT2(l)
NAME
DLASRT2 - the numbers in D in increasing order (if ID = 'I') or in decreasing order (if ID = 'D' )
SYNOPSIS
SUBROUTINE DLASRT2( ID, N, D, KEY, INFO )
CHARACTER ID
INTEGER INFO, N
INTEGER KEY( * )
DOUBLE PRECISION D( * )
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.
KEY (input/output) INTEGER array, dimension (N)
On entry, KEY contains a key to each of the entries in D() Typically, KEY(I) = I for all I On exit, KEY is permuted in exactly the
same manner as D() was permuted from input to output Therefore, if KEY(I) = I for all I upon input, then D_out(I) = D_in(KEY(I))
INFO (output) INTEGER
= 0: successful exit
< 0: if INFO = -i, the i-th argument had an illegal value
LAPACK version 1.5 12 May 1997 DLASRT2(l)
Check Out this Related Man Page
slasrt.f(3) LAPACK slasrt.f(3)NAME
slasrt.f -
SYNOPSIS
Functions/Subroutines
subroutine slasrt (ID, N, D, INFO)
SLASRT sorts numbers in increasing or decreasing order.
Function/Subroutine Documentation
subroutine slasrt (characterID, integerN, real, dimension( * )D, integerINFO)
SLASRT sorts numbers in increasing or decreasing order.
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.
Parameters:
ID
ID is CHARACTER*1
= 'I': sort D in increasing order;
= 'D': sort D in decreasing order.
N
N is INTEGER
The length of the array D.
D
D is REAL 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
INFO is INTEGER
= 0: successful exit
< 0: if INFO = -i, the i-th argument had an illegal value
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
September 2012
Definition at line 89 of file slasrt.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.2 Tue Sep 25 2012 slasrt.f(3)
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