1 //===----------------------------------------------------------------------===//
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
7 //===----------------------------------------------------------------------===//
11 // template<class T> class valarray;
15 // pow(const valarray<T>& x, const valarray<T>& y);
21 #include "test_macros.h"
22 #include "valarray_helper.h"
28 T a1
[] = {.9, .5, 0., .5, .75};
29 T a2
[] = {-.8, .25, 0.375, -.5, .75};
30 T a3
[] = {1.0879426248455297e+00,
31 8.4089641525371450e-01,
32 0.0000000000000000e+00,
33 1.4142135623730949e+00,
34 8.0592744886765644e-01};
35 const unsigned N
= sizeof(a1
)/sizeof(a1
[0]);
36 std::valarray
<T
> v1(a1
, N
);
37 std::valarray
<T
> v2(a2
, N
);
38 std::valarray
<T
> v3
= pow(v1
, v2
);
39 assert(v3
.size() == v1
.size());
40 for (std::size_t i
= 0; i
< v3
.size(); ++i
)
41 assert(is_about(v3
[i
], a3
[i
], 10));