#include /* Rounding Mode */ int fe_tonearest = FE_TONEAREST; int fe_upward = FE_UPWARD; int fe_downward = FE_DOWNWARD; int fe_towardzero = FE_TOWARDZERO; /* Floating Point Exceptions */ int fe_divbyzero = FE_DIVBYZERO; int fe_inexact = FE_INEXACT; int fe_invalid = FE_INVALID; int fe_overflow = FE_OVERFLOW; int fe_underflow = FE_UNDERFLOW; int fe_all_except = FE_ALL_EXCEPT;