comp.lang.idl-pvwave archive: archive » Re: A simple DLM question

Home » Public Forums » archive » Re: A simple DLM question

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

Re: A simple DLM question [message #81223 is a reply to message #81218]

Tue, 28 August 2012 22:03

Xin Tao
Messages: 40
Registered: April 2011

Member

Maybe it's a bug! Anyway, Jimmy's trick did it, but I'm still confused by IDL's EDG.

On Tuesday, August 28, 2012 8:10:17 PM UTC-5, Craig Markwardt wrote:
> On Tuesday, August 28, 2012 5:16:53 PM UTC-4, Xin Tao wrote:
>
>> I did check the flags of IDL_V_CONST and IDL_V_TEMP. Both failed, and then I posted the question. For example, I'm not sure how to explain this results.
>
>>
>
>>
>
>>
>
>> // Code here.
>
>>
>
>>
>
>>
>
>> void simple(int argc, IDL_VPTR argv[])
>
>>
>
>> {
>
>>
>
>> IDL_VPTR v;
>
>>
>
>>
>
>>
>
>> v = IDL_BasicTypeConversion(1, &argv[0], IDL_TYP_DOUBLE);
>
>>
>
>>
>
>>
>
>> printf("const = %d\n", v->flags & IDL_V_CONST);
>
>>
>
>> printf("temp = %d\n", v->flags & IDL_V_TEMP);
>
>>
>
>>
>
>>
>
>> if (v != argv[0]) IDL_DELTMP(v);
>
>>
>
>> }
>
>>
>
>>
>
>>
>
>>
>
>>
>
>> Now results:
>
>>
>
>>
>
>>
>
>> IDL> simple, 3.0d
>
>>
>
>> const = 1
>
>>
>
>> temp = 0
>
>>
>
>> IDL> simple, -3.0d
>
>>
>
>> const = 0
>
>>
>
>> temp = 2
>
>
>
> It is a little odd, but it may be the difference between 3.0d, a constant, and -(3.0d), which is an expression. But I'd think that IDL should be smart enough to parse -3.0d as a constant.
>
>
>
> Craig

Report message to a moderator

[Message index]

		Re: A simple DLM question By: Michael Galloy on Wed, 29 August 2012 11:16
		Re: A simple DLM question By: chris_torrence@NOSPAM on Wed, 29 August 2012 10:50
		Re: A simple DLM question By: Lajos Foldy on Wed, 29 August 2012 10:31
		Re: A simple DLM question By: Xin Tao on Wed, 29 August 2012 09:23
		Re: A simple DLM question By: chris_torrence@NOSPAM on Wed, 29 August 2012 08:55
		Re: A simple DLM question By: Xin Tao on Tue, 28 August 2012 22:03
		Re: A simple DLM question By: Craig Markwardt on Tue, 28 August 2012 18:10
		Re: A simple DLM question By: Xin Tao on Tue, 28 August 2012 14:16
		Re: A simple DLM question By: Jim Pendleton on Tue, 28 August 2012 09:06
		Re: A simple DLM question By: Xin Tao on Mon, 27 August 2012 15:08
		Re: A simple DLM question By: Xin Tao on Mon, 27 August 2012 15:04
		Re: A simple DLM question By: Craig Markwardt on Mon, 27 August 2012 13:51
		Re: A simple DLM question By: Jim Pendleton on Mon, 27 August 2012 13:48

Previous Topic:	Tasselated Cap in IDL?
Next Topic:	Re: Succinct way of testing array membership

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Oct 10 16:26:12 PDT 2025

Total time taken to generate the page: 1.03907 seconds