Re: Fixed point support for GCC cross compiler

shafi wrote:


[...]


> Someone told me that one can add support in two ways.
> 1. Include the support through the compiler (change the internals).
> 2. Outside the compiler, through a library. (library support)
>
> I am not sure which one to pursue. [...]


Do you have to add it to the compiler? I've built a C++ Fixed class
that overloads all the basic math operators. And my math library is
parameterized on type so that you can write code that uses fixed-point,
floating-point (or even arbitrary-precision) number types as needed.
And for switching on an application-wide basis I write code that uses a
"Real" type, which I typedef to "Fixed" or float, or double as the
platform demands.


Works just fine. Sorry I'm not in a position to share, but it wasn't
that tough if you know C++.


-thant

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