| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <valarray> |
| |
| // template <class T> class slice_array |
| |
| // const slice_array& operator=(const slice_array& sa) const; |
| |
| #include <valarray> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| { |
| int a1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}; |
| int a2[] = {-1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12}; |
| std::valarray<int> v1(a1, sizeof(a1)/sizeof(a1[0])); |
| const std::valarray<int> v2(a2, sizeof(a2)/sizeof(a2[0])); |
| v1[std::slice(1, 5, 3)] = v2[std::slice(2, 5, 2)]; |
| assert(v1.size() == 16); |
| assert(v1[ 0] == 0); |
| assert(v1[ 1] == -3); |
| assert(v1[ 2] == 2); |
| assert(v1[ 3] == 3); |
| assert(v1[ 4] == -5); |
| assert(v1[ 5] == 5); |
| assert(v1[ 6] == 6); |
| assert(v1[ 7] == -7); |
| assert(v1[ 8] == 8); |
| assert(v1[ 9] == 9); |
| assert(v1[10] == -9); |
| assert(v1[11] == 11); |
| assert(v1[12] == 12); |
| assert(v1[13] == -11); |
| assert(v1[14] == 14); |
| assert(v1[15] == 15); |
| } |
| // Test return value of assignment. |
| { |
| int a1[] = {0, 1, 2}; |
| std::valarray<int> v1(a1, 3); |
| std::slice_array<int> s1 = v1[std::slice(1, 1, 1)]; |
| std::slice_array<int> s2 = v1[std::slice(0, 1, 1)]; |
| std::slice_array<int> const & s3 = (s1 = s2); |
| assert(&s1 == &s3); |
| } |
| |
| return 0; |
| } |