static assert(!isInfinity(real.init)); static assert(!isInfinity(-real.init)); static assert(!isInfinity(real.nan)); static assert(!isInfinity(-real.nan)); static assert(isInfinity(real.infinity)); static assert(isInfinity(-real.infinity)); static assert(isInfinity(-1.0L / 0.0L)); static assert(!isInfinity(real(0)));