05-01-2014
So you are want to step through pairs of numbers then rather than to display all four combinations (or however many there may be)
The loop as written is working fine, but it's clearly not the logic you want. What is the relationship between the two numbers? There are all sorts of ways that this could be achieved, but the key to choosing a suitable way is to know why we need the values and how they are related. Can you elaborate?
Thanks,
Robin
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LEARN ABOUT CENTOS
slasrt.f
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)