[gmpi] Re: Decision Time: 8.3

On Mon, Sep 15, 2003 at 02:53:46 -0700, Chris Grigg wrote:
> >I see a need for
> >
> >float - many normal params
> >double - high res params
> 
> Could those two be collapsed into just one or the other?  Smells a 
> bit redundant from a parameter perspective.

Agreed, but I also think that int should be collapsed into one floating
point type, I feel there is some extra simplicity from handling integer
values as a hinted float type, eg. automation, interpolation etc. I dont
have any religious convition about it though :)

> Yes, I like all these, at least as the semantic types.  As you say 
> below,  they can share the same binary reps in most cases, but I like 
> keeping the semantics separated at the parameter spec level.  Better 
> clarity for users.

Is that what you mean by this, more or less?
 
> >Int parameters can be faked using float.
> >
> >Enum and bool can be faked using int.
> 
> Yep..

Or float.
 
> >So that leaves my NEED list at float/real/sample_type + string + blob.  Are
> >there good reasons to turn anything else into fundamental primitives?
> >Perhaps int - can anyone justify it?
> 
> Yeah, to avoid unnecessary conversions.  I mean, by that logic, since 
> you can encode any int or float/double number as a (long enough) 
> sequence of ASCII characters, so why use anything other than string?

Conversions aren't really an issue. Often your working with boolean types
in a floating point context anyway, eg.

out = monitor_a * a + b;

where monitor_a is a boolean hinted float.

- Steve

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