f5256e16df
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// test numeric_limits
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// max_digits10
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#include <limits>
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#include <cfloat>
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template <class T, int expected>
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void
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test()
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{
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static_assert(std::numeric_limits<T>::max_digits10 == expected, "max_digits10 test 1");
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static_assert(std::numeric_limits<const T>::max_digits10 == expected, "max_digits10 test 2");
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static_assert(std::numeric_limits<volatile T>::max_digits10 == expected, "max_digits10 test 3");
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static_assert(std::numeric_limits<const volatile T>::max_digits10 == expected, "max_digits10 test 4");
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}
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int main()
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{
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test<bool, 0>();
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test<char, 0>();
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test<signed char, 0>();
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test<unsigned char, 0>();
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test<wchar_t, 0>();
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#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
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test<char16_t, 0>();
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test<char32_t, 0>();
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#endif
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test<short, 0>();
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test<unsigned short, 0>();
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test<int, 0>();
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test<unsigned int, 0>();
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test<long, 0>();
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test<unsigned long, 0>();
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test<long long, 0>();
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test<unsigned long long, 0>();
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test<float, 2+(FLT_MANT_DIG * 30103)/100000>();
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test<double, 2+(DBL_MANT_DIG * 30103)/100000>();
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test<long double, 2+(LDBL_MANT_DIG * 30103)/100000>();
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}
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