how to construct a variable by decimal number?

[nailuy]

Hy I want to construct variable like:

[dluu13]

There are the functions like make16 and so forth. But they do things in groups of 8 bits as opposed to base ten like you have in your example.

So for var=make16(var1,var2) it would be like:
var = var1*256 + var2

Where:
var is int16
var1 and var2 are int8

[nailuy]

Dear Mr Dluu13 thank you for your reply.
I know function MAKE16.
I need function for decimal construction.
Like:
a=3
b=7
c=6
VAR=Make(abc)
result is 376.

[Ttelmah]

OK.

well you already show the standard way to do this.

There isn't any mathematical shortcut to this. *100, involves calculating
*64+*32+*4 on the source number and adding these. *10, *8 plus *2.
The compiler already optimises the multiplications pretty much as far
as they can go. The only thing you need to do differently, is:

val=a*100l + b*10 + c;

Note the 'l'. This is needed to ensure the digit is converted to an int16
before performing this multiplication, otherwise if the digits are int8 types
there can be an overflow on this multiplication.

Decimals are things that binary processors can't actually do terribly
efficiently. This is why learning to think in binary yourself can improve
coding efficiency so much. Using things like *8 counters instead of *10
etc..

[nailuy]

Dear Telmah.
Thank you for your reply.
For me is okay to know that isn't function for this.

I'll do my function.

This a*100l

l is low "L"
or
l is operator "or"

[Ttelmah]

l or L.

Case doesn't matter.

[temtronic]

l is for long...

It gets to be more 'fun' the older you get..
then the eyes see !,l,|,[,] and I as all being the SAME...

: and ; look the same too..

ah the joys of growing old

[nailuy]

yes temtronic, you are right.



I try to approach to the monitor to see the difference of what did you write.
Thank you for all replies.

[Ttelmah]

There is also the ting sometimes of choosing a different font. I use a serifed
one, so l has little ticks at the corners making it quite distinct from |.

[dluu13]

[Ttelmah]

Yes, Consolas, is very much designed to be 'clear', and does distinguish 1, l
& |.

I managed to drop an h in my post. Obviously showing my cockney roots...