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// template<class T>
14// valarray<T>
15// log10(const valarray<T>& x);
16
17#include <valarray>
18#include <cassert>
19#include <cstddef>
20
21#include "test_macros.h"
22#include "valarray_helper.h"
23
24int main(int, char**)
25{
26 {
27 typedef double T;
28 T a1[] = {.5, .75, 1, 3, 7};
29 T a3[] = {-3.0102999566398120e-01,
30 -1.2493873660829995e-01,
31 0.0000000000000000e+00,
32 4.7712125471966244e-01,
33 8.4509804001425681e-01};
34 const unsigned N = sizeof(a1)/sizeof(a1[0]);
35 std::valarray<T> v1(a1, N);
36 std::valarray<T> v3 = log10(v: 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));
40 }
41
42 return 0;
43}
44

source code of libcxx/test/std/numerics/numarray/valarray.nonmembers/valarray.transcend/log10_valarray.pass.cpp