xref: /llvm-project/libcxx/test/std/numerics/numarray/template.valarray/valarray.members/max.pass.cpp (revision 2df59c50688c122bbcae7467d3eaf862c3ea3088)
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 // value_type max() const;
14 
15 #include <valarray>
16 #include <cassert>
17 
18 int main(int, char**)
19 {
20     {
21         typedef double T;
22         T a1[] = {1.5, 2.5, -3, 4, -5.5};
23         const unsigned N1 = sizeof(a1)/sizeof(a1[0]);
24         std::valarray<T> v1(a1, N1);
25         assert(v1.max() == 4.0);
26     }
27     {
28         typedef double T;
29         std::valarray<T> v1;
30         v1.max();
31     }
32     {
33         typedef double T;
34         T a1[] = {1.5, 2.5, -3, 4, -5.5};
35         const unsigned N1 = sizeof(a1)/sizeof(a1[0]);
36         std::valarray<T> v1(a1, N1);
37         assert((2*v1).max() == 8.0);
38     }
39 
40   return 0;
41 }
42