//===----------------------------------------------------------------------===// // // 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<T> template shall have all members, but with // 0 or false values. #include <limits> #include <cassert> 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<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"); }