On Monday, March 31, 2003, at 02:49 AM, Stefan Farfeleder wrote:
The isnan() macro is a new feature of C99 and thus not (yet) part of C++. Nevertheless you can use -D_GLIBCPP_USE_C99 to include this and
There may be no guarantee that any new parts of C99 ever make it into the C++
language.
C++ has always been a superset of a subset of C :). That is to say that C is not
100% contained within C++.
This has gotten to be more of a problem since
the C99 standard has added things the C++ already had as well such as
_Complex and the very weird tgmath.h header that seemingly cannot even be
written with standard C. [I have seen the version that came with RedHat linux and
it involved a bunch of gcc specific code].
Anyway... Its a real world problem now and the errors people are seeing are due to
the fact that g++-3.x is more standards compliant than 2.x was.
Dave
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