Re: [boost] Re: Math Functions

From: Kevin Lynch (krlynch_at_[hidden])
Date: 2001-10-05 12:20:14

Eric Ford wrote:
> 
> > > MAKE_STD_FUNCTION_REAL2 (and SPECIALIZE_...) need to be able to
> deal
> > > with arguments of differing types.  More template arguments...
> >
> > > ldexp will either need to take two template arguments (even though
> we
> > > know the second should be an int) or be done separately.
> 
> > I'm not sure I understand these two comments.  Could you elaborate a
> > bit?  I understand removing the limitation on the SPECIALIZE_...
> macros
> > (I've already run into a need to make the return type a parameter
> > already for some of the C99 functions).  But why does M_S_F_R_2 need
> to
> > change?
> 
> Since you would only specialize for int*, and the default is a
> compile error, it doesn't matter if the second parameter is there. But
> then you'd need to specialize the relevant functions as templates
> taking two parameters rather than one.
> 
> E
> 

Of course!  I can't believe I missed that - after all, the whole point
of the library is to prevent implicit conversions in function calls, and
that's what the templates do.  I've already implemented this in my copy,
which I will hopefully upload later today.  

Moving forward....

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