42 lines
1.1 KiB
C++
42 lines
1.1 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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// <valarray>
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// template<class T> class valarray;
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// void resize(size_t n, value_type x = value_type());
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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 a1[] = {1, 2, 3, 4, 5};
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const unsigned N1 = sizeof(a1)/sizeof(a1[0]);
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std::valarray<T> v1(a1, N1);
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v1.resize(8);
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assert(v1.size() == 8);
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for (int i = 0; i < v1.size(); ++i)
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assert(v1[i] == 0);
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v1.resize(0);
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assert(v1.size() == 0);
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v1.resize(80);
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assert(v1.size() == 80);
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for (int i = 0; i < v1.size(); ++i)
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assert(v1[i] == 0);
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v1.resize(40);
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assert(v1.size() == 40);
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for (int i = 0; i < v1.size(); ++i)
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assert(v1[i] == 0);
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}
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}
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