xref: /llvm-project/libcxx/test/std/numerics/numarray/template.valarray/valarray.cons/value_size.pass.cpp (revision 7fc6a55688c816f5fc1a5481ae7af25be7500356)
1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <valarray>
10 
11 // template<class T> class valarray;
12 
13 // valarray(const value_type& x, size_t n);
14 
15 #include <valarray>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 
main(int,char **)20 int main(int, char**)
21 {
22     {
23         std::valarray<int> v(5, 100);
24         assert(v.size() == 100);
25         for (int i = 0; i < 100; ++i)
26             assert(v[i] == 5);
27     }
28     {
29         std::valarray<double> v(2.5, 100);
30         assert(v.size() == 100);
31         for (int i = 0; i < 100; ++i)
32             assert(v[i] == 2.5);
33     }
34     {
35         std::valarray<std::valarray<double> > v(std::valarray<double>(10), 100);
36         assert(v.size() == 100);
37         for (int i = 0; i < 100; ++i)
38             assert(v[i].size() == 10);
39     }
40 
41   return 0;
42 }
43