//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // test numeric_limits // The default numeric_limits template shall have all members, but with // 0 or false values. #include #include struct A { A(int i = 0) : data_(i) {} int data_; }; bool operator == (const A& x, const A& y) {return x.data_ == y.data_;} int main() { static_assert(std::numeric_limits::is_specialized == false, "std::numeric_limits::is_specialized == false"); assert(std::numeric_limits::min() == A()); assert(std::numeric_limits::max() == A()); assert(std::numeric_limits::lowest() == A()); static_assert(std::numeric_limits::digits == 0, "std::numeric_limits::digits == 0"); static_assert(std::numeric_limits::digits10 == 0, "std::numeric_limits::digits10 == 0"); static_assert(std::numeric_limits::max_digits10 == 0, "std::numeric_limits::max_digits10 == 0"); static_assert(std::numeric_limits::is_signed == false, "std::numeric_limits::is_signed == false"); static_assert(std::numeric_limits::is_integer == false, "std::numeric_limits::is_integer == false"); static_assert(std::numeric_limits::is_exact == false, "std::numeric_limits::is_exact == false"); static_assert(std::numeric_limits::radix == 0, "std::numeric_limits::radix == 0"); assert(std::numeric_limits::epsilon() == A()); assert(std::numeric_limits::round_error() == A()); static_assert(std::numeric_limits::min_exponent == 0, "std::numeric_limits::min_exponent == 0"); static_assert(std::numeric_limits::min_exponent10 == 0, "std::numeric_limits::min_exponent10 == 0"); static_assert(std::numeric_limits::max_exponent == 0, "std::numeric_limits::max_exponent == 0"); static_assert(std::numeric_limits::max_exponent10 == 0, "std::numeric_limits::max_exponent10 == 0"); static_assert(std::numeric_limits::has_infinity == false, "std::numeric_limits::has_infinity == false"); static_assert(std::numeric_limits::has_quiet_NaN == false, "std::numeric_limits::has_quiet_NaN == false"); static_assert(std::numeric_limits::has_signaling_NaN == false, "std::numeric_limits::has_signaling_NaN == false"); static_assert(std::numeric_limits::has_denorm == std::denorm_absent, "std::numeric_limits::has_denorm == std::denorm_absent"); static_assert(std::numeric_limits::has_denorm_loss == false, "std::numeric_limits::has_denorm_loss == false"); assert(std::numeric_limits::infinity() == A()); assert(std::numeric_limits::quiet_NaN() == A()); assert(std::numeric_limits::signaling_NaN() == A()); assert(std::numeric_limits::denorm_min() == A()); static_assert(std::numeric_limits::is_iec559 == false, "std::numeric_limits::is_iec559 == false"); static_assert(std::numeric_limits::is_bounded == false, "std::numeric_limits::is_bounded == false"); static_assert(std::numeric_limits::is_modulo == false, "std::numeric_limits::is_modulo == false"); static_assert(std::numeric_limits::traps == false, "std::numeric_limits::traps == false"); static_assert(std::numeric_limits::tinyness_before == false, "std::numeric_limits::tinyness_before == false"); static_assert(std::numeric_limits::round_style == std::round_toward_zero, "std::numeric_limits::round_style == std::round_toward_zero"); }