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Subject: [ggl] user controllable numeric conversion.
From: Barend Gehrels (barend.gehrels)
Date: 2010-05-04 11:58:26

Hi again,

>> What about use macro to switch between numeric_cast and implicit
>> conversion?
>> for example:
>> # define NUMERIC_CAST(TargetType, Source) Source
>> #else
>> # define NUMERIC_CAST(TargetType, Source)
>> ::boost::numeric_cast<TargetType>(Source)
>> #endif
>> then, in the code:
>> t = NUMERIC_CAST((target type here), (Source value here));
>> Using numeric_cast as default can make the complier output neat and
>> tidy. It should also work smoothly for common use.
>> User can define USE_IMPLICIT_CONVERSION when they don't want
>> numeric_cast.
> Besides that I don't like macro's, this might be useful to enable both
> options.
Without a macro it should also be possible using an inline function
(still within defines), e.g. boost::geometry::numeric_cast<> forwarding
to boost::numeric_cast (or just assigning)


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