fpsetround
extern fp_rnd fpsetround(fp_rnd);
__weak_alias(_fpsetround,fpsetround);
PROTO_DEPRECATED(fpsetround);
__weak_alias(_fpsetround,fpsetround);
assert(fpsetround(FP_RP) == FP_RN);
assert(fpsetround(FP_RM) == FP_RP);
assert(fpsetround(FP_RZ) == FP_RM);
assert(fpsetround(FP_RN) == FP_RZ);
fpsetround(FP_RM);
fpsetround(FP_RP);