b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
66 lines
1.9 KiB
C++
66 lines
1.9 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 dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <valarray>
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// template<class T> class valarray;
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// valarray operator+() const;
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#include <valarray>
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#include <cassert>
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int main()
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{
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{
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typedef int T;
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T a[] = {1, 2, 3, 4, 5};
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const unsigned N = sizeof(a)/sizeof(a[0]);
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std::valarray<T> v(a, N);
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std::valarray<T> v2 = +v;
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assert(v2.size() == v.size());
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for (int i = 0; i < v2.size(); ++i)
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assert(v2[i] == +v[i]);
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}
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{
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typedef double T;
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T a[] = {1, 2.5, 3, 4.25, 5};
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const unsigned N = sizeof(a)/sizeof(a[0]);
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std::valarray<T> v(a, N);
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std::valarray<T> v2 = +v;
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assert(v2.size() == v.size());
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for (int i = 0; i < v2.size(); ++i)
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assert(v2[i] == +v[i]);
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}
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{
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typedef std::valarray<double> T;
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T a[] = {T(1), T(2), T(3), T(4), T(5)};
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const unsigned N = sizeof(a)/sizeof(a[0]);
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std::valarray<T> v(a, N);
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std::valarray<T> v2 = +v;
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assert(v2.size() == v.size());
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for (int i = 0; i < N; ++i)
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{
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assert(v2[i].size() == v[i].size());
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for (int j = 0; j < v[i].size(); ++j)
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assert(v2[i][j] == +v[i][j]);
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}
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}
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{
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typedef double T;
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T a[] = {1, 2.5, 3, 4.25, 5};
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const unsigned N = sizeof(a)/sizeof(a[0]);
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std::valarray<T> v(a, N);
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std::valarray<T> v2 = +(v + v);
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assert(v2.size() == v.size());
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for (int i = 0; i < v2.size(); ++i)
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assert(v2[i] == +2*v[i]);
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}
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}
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