FLT_MAX
return (FLT_MAX * copysignf(FLT_MAX, x));
return (FLT_MAX * copysignf(FLT_MAX, x));
return sval.fvalue == -FLT_MAX;
return sval.fvalue == FLT_MAX;
ret.fvalue = FLT_MAX;
ret.fvalue = -FLT_MAX;