getround
ATF_CHECK_EQ(FE_TONEAREST, getround());
ATF_CHECK_EQ(FE_DOWNWARD, getround());
ATF_CHECK_EQ(FE_UPWARD, getround());
ATF_CHECK_EQ(FE_TOWARDZERO, getround());
ATF_CHECK_EQ(FE_TONEAREST, getround());