RE: RES: [Dev-C++] generated .exe is too big

[Per W. <pw...@ia...>]

_Bool does not increase size of final executable.

_Complex and (possibly) long long increases the size of the executable -
but only for executables that needs them, and then it can hardly count. An
opengl executable is larger than a hello world, but that isn't a
deficiency of opengl but just that the opengl application solves a harder
problem.

Without the _Complex data type, you have to implement - or link through an
existing library - your own complex math. And by doing that, the
application has to be larger or the application wouldn't work.

If you don't use _Complex but decides on defining an own data type and
then implement complex_add(), complex_mul(), ... the application will not
make any references to the _Complex helper functions and won't link in
them. No extra size of the executable added, at least for non-debug where
the compiler haven't thrown in a lot of data declarations seen in header
files etc just for good measure.

The only complaint I think I have about _Complex - too long time ago I
looked at the specification - was that some of the NaN/Infinity handling
didn't felt mathematically sound. But that is a completely different
issue.

/Per W

On Thu, 24 Apr 2003, Ioannis Vranos wrote:

> > -----Original Message-----
> > From: Per Westermark [mailto:pw...@ia...]
> > Sent: Thursday, April 24, 2003 5:26 AM
> > To: Ioannis Vranos
> > Cc: Dev-C++ Mailing List
> > Subject: RE: RES: [Dev-C++] generated .exe is too big
> >
> >
> > The changes for C99 should not make a real difference in quality of
> > mapping against hardware.
> >
> > [...]
> >
> > _Complex operators needs either multiple assembler
> > instructions or calls
> > to helper functions, to handle all combinations of NaN and
> > infinities. No
> > difference from support of float and double on a processor without fp
> > support. Linker wouldn't add these helper functions unless needed.
>
>
> Yes but there are processors with fp support. However there isn't any with
> complex support.
>
>
>
> > It isn't possible to add _Bool and _Complex as just typedef,
> > since it's a
> > question of giving the language the correct operators too. In C++ with
> > operator overloading we can add a _Complex type on our own,
> > but in C it
> > has to be made as a hard-coded data type.
>
>
>
> I mean they could avoid polluting the namespace. And what about size_t? In
> C99 it can be some type other than the provided standard built in ones, and
> yet is provided through header file only.
>
> In any case, these things do increase the size of the final executable.
>
>
> Ioannis Vranos
>
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