* pre-defined function convert hex to decimal?
@ 2002-11-20 17:12 Sarah Thomas
0 siblings, 0 replies; 4+ messages in thread
From: Sarah Thomas @ 2002-11-20 17:12 UTC (permalink / raw)
is there a pre-defined function in ada that converts hex to decimal,
or do I have to write from scratch? thanks
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: pre-defined function convert hex to decimal?
[not found] <mailman.1037815682.9555.comp.lang.ada@ada.eu.org>
@ 2002-11-20 18:44 ` Robert A Duff
2002-11-21 13:39 ` Marin David Condic
0 siblings, 1 reply; 4+ messages in thread
From: Robert A Duff @ 2002-11-20 18:44 UTC (permalink / raw)
"Beard, Frank Randolph CIV" <frank.beard@navy.mil> writes:
> Look at the Integer_IO routines, Put and Get, inside Ada.Text_IO.
> Pay particular attention to the "Base" parameter. Try calling Put
> (to a File) with the base parameter set to your desired base, and
> then read that value back in with Get (from a File). You can
> do something similar with the Put/Get to/from string routines.
To/from a File?! Surely you mean String.
Also, the 'Image and 'Value can also be used for hex-to-decimal
(but not the other way around).
- Bob
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: pre-defined function convert hex to decimal?
@ 2002-11-20 19:49 Gautier direct_replies_not_read
0 siblings, 0 replies; 4+ messages in thread
From: Gautier direct_replies_not_read @ 2002-11-20 19:49 UTC (permalink / raw)
>is there a pre-defined function in ada that converts hex to decimal,
>or do I have to write from scratch? thanks
You can use the 'Image and 'Value attributes. E.g.:
with Ada.Text_IO;
procedure Test_hex_to_dec is
begin
Ada.Text_IO.Put( Integer'Image( Integer'Value("16#1A2B3C#") ) );
end;
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: pre-defined function convert hex to decimal?
2002-11-20 18:44 ` pre-defined function convert hex to decimal? Robert A Duff
@ 2002-11-21 13:39 ` Marin David Condic
0 siblings, 0 replies; 4+ messages in thread
From: Marin David Condic @ 2002-11-21 13:39 UTC (permalink / raw)
Robert A Duff <bobduff@shell01.TheWorld.com> wrote in message
news:wccel9gdqsp.fsf@shell01.TheWorld.com...
> "Beard, Frank Randolph CIV" <frank.beard@navy.mil> writes:
>
> > Look at the Integer_IO routines, Put and Get, inside Ada.Text_IO.
> > Pay particular attention to the "Base" parameter. Try calling Put
> > (to a File) with the base parameter set to your desired base, and
> > then read that value back in with Get (from a File). You can
> > do something similar with the Put/Get to/from string routines.
>
> To/from a File?! Surely you mean String.
>
> Also, the 'Image and 'Value can also be used for hex-to-decimal
> (but not the other way around).
>
It might be useful for a beginner to use a file at first to see what the
results look like. From there, obviously, its better to use a string for any
real work.
MDC
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