| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // <valarray> |
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| 10 | |
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| 11 | // template<class T> class valarray; |
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| 12 | |
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| 13 | // valarray(const slice_array<value_type>& sa); |
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| 14 | |
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| 15 | #include <valarray> |
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| 16 | #include <cassert> |
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| 17 | |
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| 18 | #include "test_macros.h" |
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| 19 | |
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| 20 | int main(int, char**) |
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| 21 | { |
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| 22 | int a[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}; |
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| 23 | std::valarray<int> v1(a, sizeof(a)/sizeof(a[0])); |
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| 24 | std::valarray<int> v(v1[std::slice(1, 5, 3)]); |
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| 25 | assert(v.size() == 5); |
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| 26 | assert(v[0] == 1); |
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| 27 | assert(v[1] == 4); |
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| 28 | assert(v[2] == 7); |
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| 29 | assert(v[3] == 10); |
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| 30 | assert(v[4] == 13); |
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| 31 | |
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| 32 | return 0; |
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| 33 | } |
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| 34 | |
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