| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // test numeric_limits |
| |
| // The default numeric_limits<T> template shall have all members, but with |
| // 0 or false values. |
| |
| #include <limits> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| 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(int, char**) |
| { |
| static_assert(std::numeric_limits<A>::is_specialized == false, |
| "std::numeric_limits<A>::is_specialized == false"); |
| assert(std::numeric_limits<A>::min() == A()); |
| assert(std::numeric_limits<A>::max() == A()); |
| assert(std::numeric_limits<A>::lowest() == A()); |
| static_assert(std::numeric_limits<A>::digits == 0, |
| "std::numeric_limits<A>::digits == 0"); |
| static_assert(std::numeric_limits<A>::digits10 == 0, |
| "std::numeric_limits<A>::digits10 == 0"); |
| static_assert(std::numeric_limits<A>::max_digits10 == 0, |
| "std::numeric_limits<A>::max_digits10 == 0"); |
| static_assert(std::numeric_limits<A>::is_signed == false, |
| "std::numeric_limits<A>::is_signed == false"); |
| static_assert(std::numeric_limits<A>::is_integer == false, |
| "std::numeric_limits<A>::is_integer == false"); |
| static_assert(std::numeric_limits<A>::is_exact == false, |
| "std::numeric_limits<A>::is_exact == false"); |
| static_assert(std::numeric_limits<A>::radix == 0, |
| "std::numeric_limits<A>::radix == 0"); |
| assert(std::numeric_limits<A>::epsilon() == A()); |
| assert(std::numeric_limits<A>::round_error() == A()); |
| static_assert(std::numeric_limits<A>::min_exponent == 0, |
| "std::numeric_limits<A>::min_exponent == 0"); |
| static_assert(std::numeric_limits<A>::min_exponent10 == 0, |
| "std::numeric_limits<A>::min_exponent10 == 0"); |
| static_assert(std::numeric_limits<A>::max_exponent == 0, |
| "std::numeric_limits<A>::max_exponent == 0"); |
| static_assert(std::numeric_limits<A>::max_exponent10 == 0, |
| "std::numeric_limits<A>::max_exponent10 == 0"); |
| static_assert(std::numeric_limits<A>::has_infinity == false, |
| "std::numeric_limits<A>::has_infinity == false"); |
| static_assert(std::numeric_limits<A>::has_quiet_NaN == false, |
| "std::numeric_limits<A>::has_quiet_NaN == false"); |
| static_assert(std::numeric_limits<A>::has_signaling_NaN == false, |
| "std::numeric_limits<A>::has_signaling_NaN == false"); |
| static_assert(std::numeric_limits<A>::has_denorm == std::denorm_absent, |
| "std::numeric_limits<A>::has_denorm == std::denorm_absent"); |
| static_assert(std::numeric_limits<A>::has_denorm_loss == false, |
| "std::numeric_limits<A>::has_denorm_loss == false"); |
| assert(std::numeric_limits<A>::infinity() == A()); |
| assert(std::numeric_limits<A>::quiet_NaN() == A()); |
| assert(std::numeric_limits<A>::signaling_NaN() == A()); |
| assert(std::numeric_limits<A>::denorm_min() == A()); |
| static_assert(std::numeric_limits<A>::is_iec559 == false, |
| "std::numeric_limits<A>::is_iec559 == false"); |
| static_assert(std::numeric_limits<A>::is_bounded == false, |
| "std::numeric_limits<A>::is_bounded == false"); |
| static_assert(std::numeric_limits<A>::is_modulo == false, |
| "std::numeric_limits<A>::is_modulo == false"); |
| static_assert(std::numeric_limits<A>::traps == false, |
| "std::numeric_limits<A>::traps == false"); |
| static_assert(std::numeric_limits<A>::tinyness_before == false, |
| "std::numeric_limits<A>::tinyness_before == false"); |
| static_assert(std::numeric_limits<A>::round_style == std::round_toward_zero, |
| "std::numeric_limits<A>::round_style == std::round_toward_zero"); |
| |
| return 0; |
| } |