1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <valarray>
11 
12 // template<class T> class valarray;
13 
14 // void resize(size_t n, value_type x = value_type());
15 
16 #include <valarray>
17 #include <cassert>
18 
main()19 int main()
20 {
21     {
22         typedef int T;
23         T a1[] = {1, 2, 3, 4, 5};
24         const unsigned N1 = sizeof(a1)/sizeof(a1[0]);
25         std::valarray<T> v1(a1, N1);
26         v1.resize(8);
27         assert(v1.size() == 8);
28         for (int i = 0; i < v1.size(); ++i)
29             assert(v1[i] == 0);
30         v1.resize(0);
31         assert(v1.size() == 0);
32         v1.resize(80);
33         assert(v1.size() == 80);
34         for (int i = 0; i < v1.size(); ++i)
35             assert(v1[i] == 0);
36         v1.resize(40);
37         assert(v1.size() == 40);
38         for (int i = 0; i < v1.size(); ++i)
39             assert(v1[i] == 0);
40     }
41 }
42