Make sure attributes are applied to function declarations before they're
used or defined, as clang isn't as forgiving as gcc. Also, declare
__flt_rounds() so that libc can build it despire clang pro

Make sure attributes are applied to function declarations before they're
used or defined, as clang isn't as forgiving as gcc. Also, declare
__flt_rounds() so that libc can build it despire clang providing its own
<float.h>

ok stefan@ kettenis@

show more ...

Wrap the remaining math functions in libc: __fpclassify*(), __flt_rounds(),
and ldexp().

ok millert@