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Top Forums Shell Programming and Scripting Perl Function Array Arguement Passing Post 302301639 by KevinADC on Friday 27th of March 2009 01:29:42 PM
Old 03-27-2009
Quote:
Originally Posted by pludi
@_ is the automagically created array containing all calling parameters (the array that you use when you access $_[x]). And if there's more than one array to pass around, refs are definitely the way to go, unless you have some other way to discern one array from the other.
I agree with pludi. If you have more than one array, or even really just one array, use references as I showed in my other post. As far as @_ goes, he explained it well enough so I will leave it at that.
 

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dlamrg.f(3)							      LAPACK							       dlamrg.f(3)

NAME
dlamrg.f - SYNOPSIS
Functions/Subroutines subroutine dlamrg (N1, N2, A, DTRD1, DTRD2, INDEX) DLAMRG Function/Subroutine Documentation subroutine dlamrg (integerN1, integerN2, double precision, dimension( * )A, integerDTRD1, integerDTRD2, integer, dimension( * )INDEX) DLAMRG Purpose: DLAMRG will create a permutation list which will merge the elements of A (which is composed of two independently sorted sets) into a single set which is sorted in ascending order. Parameters: N1 N1 is INTEGER N2 N2 is INTEGER These arguements contain the respective lengths of the two sorted lists to be merged. A A is DOUBLE PRECISION array, dimension (N1+N2) The first N1 elements of A contain a list of numbers which are sorted in either ascending or descending order. Likewise for the final N2 elements. DTRD1 DTRD1 is INTEGER DTRD2 DTRD2 is INTEGER These are the strides to be taken through the array A. Allowable strides are 1 and -1. They indicate whether a subset of A is sorted in ascending (DTRDx = 1) or descending (DTRDx = -1) order. INDEX INDEX is INTEGER array, dimension (N1+N2) On exit this array will contain a permutation such that if B( I ) = A( INDEX( I ) ) for I=1,N1+N2, then B will be sorted in ascending order. Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. Date: November 2011 Definition at line 100 of file dlamrg.f. Author Generated automatically by Doxygen for LAPACK from the source code. Version 3.4.1 Sun May 26 2013 dlamrg.f(3)
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