FP_RN
float_round_nearest_even = FP_RN,
float_round_nearest_even = FP_RN,
ATF_CHECK_EQ(r = fpgetround(), FP_RN);
if (FP_RN != r)
fprintf(stderr, "default expected=%s got=%s\n", getname(FP_RN),
{ "RN", FP_RN, 1 },
case FP_RN:
case FP_RN: /* the nearest value is always Inf */