Re: [Axapta-Knowledge-Village] array problem in X++ coding - axapta (Adrsh Gupta)

Tue, 06 Sep 2005 00:20:02 -0700

hi adrsh
 

Array declaration

=

datatype Variable { , Variable } ;

Variable

=

Identifier arrayoptions

Arrayoptions

=

[ [ length ] [, memory ] ]

 

 

 

 

Where

 

Variable

Variable identifier

Length

Optional. If specified the array is a fixed length array with length items otherwise it is a dynamic array

Memory

Optional. If specified, only memory items of the array are stored in memory at once. The rest are stored on disk and automatically loaded when referenced; X++ swaps automatically.


NoYes e[100,10] does not equate 1000 positions. It means 100 posistions out of which 10 will be held in RAM
 
regards
 
harry

adrsh gupta <[EMAIL PROTECTED]> wrote:
hey sir,
 check this one out
please give me your suggestion
about this what do u think.
 
NoYes e[100,10] = 1000 position. 100 Lines, 10 Columns
date d[,10] = 10 Lines, 1 column.
real earnings[10*3] = 30 Lines, 1 column.
earnings[(i-1)*3 +j] = equal at the above, N Lines, 1 column.
earnings[#earningIndex(i,j)] = N Lines, N Columns

Regards
 
Adrsh Gupta

"Harry (Harshawardhan Deshpande" <[EMAIL PROTECTED]> wrote:
hi
 

****NoYes e[100,10]; (what it means)***

try this job
 
static void Job1(Args _args)
{
    real y [2,2];
    ;
    y[1] = 1;
    y[2] = 2;
    y[3] = 3;
}
 
now try this job
 
static void Job1(Args _args)
{
    real y [,2];
    ;
    y[1] = 1;
    y[2] = 2;
    y[3] = 3;
}
 

*******into an array containing (d1*d2*...*dk) elements

can any body tell me whats going on here.......*****

Axapta arrays have a single dimension. This is a work around in case you want to use multi-dimension arrays
 
regards
 
harry

adrsh gupta <[EMAIL PROTECTED]> wrote:

can any body tell me about this array concepts::::--------

// A dynamic array of dates, with only 10 elements in memory

date d[,10]; (what it means)

// A fixed length array of NoYes, with 100 elements and 10 in memory

NoYes e[100,10]; (what it means)

-----------------------------------------------------------------------------------------------------

multiple array indicies:--------

real earnings[10*3];

When you wish to refer to earnings[i,j], you simply write

earnings[(i-1)*3 +j].

You can easily wrap this into a macro:

#localmacro.earningIndex

(%1-1)*3+%2

#endmacro

so you could write

earnings[#earningIndex(i,j)]

The above scheme may easily be extended to any number of dimensions. The element a[i1, i2, ..., ik] can be accesses by computing the offset

(i1 - 1)*d2*d3*..*dk +

(i2 - 1)*d3*d4*...*dk + .... +

(ik-1 -1)*dk +

(ik-1)

into an array containing (d1*d2*...*dk) elements

can any body tell me whats going on here.......

---------------------------------------------------------------------------------------------------------

if any body know about it please tell me

 

Regards

Adrsh Gupta

axapta technical consultant

hero corporates

india

 

 

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