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36 lines
951 B
C++
36 lines
951 B
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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// template<class T>
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// valarray<T>
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// abs(const valarray<T>& x);
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#include <valarray>
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#include <cassert>
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#include <cstddef>
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int main()
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{
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{
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typedef double T;
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T a1[] = {1.5, -2.5, 3.4, -4.5, -5.0};
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T a3[] = {1.5, 2.5, 3.4, 4.5, 5.0};
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const unsigned N = sizeof(a1)/sizeof(a1[0]);
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std::valarray<T> v1(a1, N);
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std::valarray<T> v3 = abs(v1);
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assert(v3.size() == v1.size());
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for (std::size_t i = 0; i < v3.size(); ++i)
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assert(v3[i] == a3[i]);
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}
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}
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