comp.lang.idl-pvwave archive: archive » Re: histogram and UINT

Home » Public Forums » archive » Re: histogram and UINT

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: histogram and UINT [message #70125 is a reply to message #70124]

Wed, 17 March 2010 16:58

Kenneth P. Bowman
Messages: 585
Registered: May 2000

Senior Member

In article <hnrj7g$hqh$1@speranza.aioe.org>,
mgalloy <mgalloy@gmail.com> wrote:

> On 3/17/10 12:36 PM, Kenneth P. Bowman wrote:
>> I did notice that with IDL 7.1.1 on Mac OS X, using the U suffix
>> creates a ULONG, not a UINT. This clearly contradicts the documentation.
>>
>> IDL> help, 65U, 65US
>> <Expression> ULONG = 65
>> <Expression> UINT = 65
>>
>> You have to use US to create a UINT.
>>
>> Ken Bowman
>
> That is not what I get:
>
> IDL> help, 65u
> <Expression> UINT = 65
>
> Do you have "compile_opt defint32" in a startup file?
>
> Mike

Hmm.

This part of the docs

IDL Programmer's Guides - Defining and Using Constants - Integer Constants

implies that U and US are identical.

OTOH, the table in the DEFINT section implies that the constant 42U does not
include a type specifier.

Huh?

There may be a good reason for this syntactical subtlety (aka "a really
obscure feature"), but ITTVIS REALLY needs to make this clearer in the docs.

Ken

Report message to a moderator

[Message index]

		Re: histogram and UINT By: Michael Galloy on Thu, 18 March 2010 09:32
		Re: histogram and UINT By: Kenneth P. Bowman on Wed, 17 March 2010 16:58
		Re: histogram and UINT By: Michael Galloy on Wed, 17 March 2010 14:57
		Re: histogram and UINT By: Kenneth P. Bowman on Wed, 17 March 2010 11:36

Previous Topic:	histogram and UINT
Next Topic:	Re: Hidden Markov Model using IDL

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Oct 10 16:34:02 PDT 2025

Total time taken to generate the page: 1.76328 seconds