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 // log(const valarray<T>& x);
21 #include "test_macros.h"
22 #include "valarray_helper.h"
28 T a1
[] = {.5, .75, 1, 3, 7};
29 T a3
[] = {-6.9314718055994529e-01,
30 -2.8768207245178090e-01,
31 0.0000000000000000e+00,
32 1.0986122886681098e+00,
33 1.9459101490553132e+00};
34 const unsigned N
= sizeof(a1
)/sizeof(a1
[0]);
35 std::valarray
<T
> v1(a1
, N
);
36 std::valarray
<T
> v3
= log(v1
);
37 assert(v3
.size() == v1
.size());
38 for (std::size_t i
= 0; i
< v3
.size(); ++i
)
39 assert(is_about(v3
[i
], a3
[i
], 10));