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Re: [3.4-BIB] Add trunc/round/floor/ceil/rint builtins
Jan Hubicka <jh@suse.cz> writes:
| > Jan Hubicka <jh@suse.cz> writes:
| >
| > [...]
| >
| > | > | I see. Man page claims:
| > | > | CONFORMING TO
| > | > | The floor() function conforms to SVID 3, POSIX, BSD 4.3, ISO
| > | > | 9899. The other functions are from C99.
| > | > |
| > | > | So I will disable the builtins for non c++ except for floor, right?
| > | >
| > | > If they are seen as __builtin_xxx() in source code then I don't think
| > | > there is any need to disable them for C++.
| > | I meant c99.
| >
| > OK. But then, I don't understand why you would want to disable it for
| > C89 (the same reason(s) should apply to C++ equally).
| In case rint is defined only by C99 and C89 don't even reserve it, I
| have to.
I don't have a copy of C89 handy; but I don't think it says anything
about rint. But I still don't understand why you ought to reverse
that portion, if it is spelt __builtin_rint. Please, could you
elaborate?
-- Gaby