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Re: A simple DLM question [message #81224 is a reply to message #81223]

Tue, 28 August 2012 18:10

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

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

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[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

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