------- Comment #5 from ghazi at gcc dot gnu dot org 2007-06-16 03:44 ------- (In reply to comment #2) > The generic implementation, including for SSE, is > isgreater (abs(f), FLT_MAX) > For isfinite, use islessequal instead. For isnan, one can use > isunordered(f, f) > For isnormal, it'd be > isgreaterequal(abs(f), FLT_MIN) & islessequal(abs(f), FLT_MAX) > which is less likely to be friendly to inline.
Generic isinf implementation here: http://gcc.gnu.org/ml/gcc-patches/2007-06/msg01103.html -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30652
