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libcxx initial import

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
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Howard Hinnant
2010-05-11 19:42:16 +00:00
commit bc8d3f97eb
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test/language.support/support.limits/limits/numeric.limits/default.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. 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");
}