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84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <valarray>
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// template <class T> class indirect_array
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// const indirect_array& operator=(const indirect_array& ia) const;
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#include <valarray>
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#include <cassert>
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#include "test_macros.h"
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int main(int, char**)
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{
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int a1[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
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12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
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24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
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36, 37, 38, 39, 40};
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const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
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int a2[] = { -0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11,
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-12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23,
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-24, -25, -26, -27, -28, -29, -30, -31, -32, -33, -34, -35,
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-36, -37};
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const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
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std::size_t s[] = { 3, 4, 5, 7, 8, 9, 11, 12, 13, 15, 16, 17,
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22, 23, 24, 26, 27, 28, 30, 31, 32, 34, 35, 36};
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const std::size_t S = sizeof(s)/sizeof(s[0]);
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std::valarray<int> v1(a1, N1);
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const std::valarray<int> v2(a2, N2);
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std::valarray<std::size_t> ia(s, S);
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v1[ia] = v2[ia];
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assert(v1.size() == 41);
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assert(v1[ 0] == 0);
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assert(v1[ 1] == 1);
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assert(v1[ 2] == 2);
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assert(v1[ 3] == -3);
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assert(v1[ 4] == -4);
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assert(v1[ 5] == -5);
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assert(v1[ 6] == 6);
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assert(v1[ 7] == -7);
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assert(v1[ 8] == -8);
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assert(v1[ 9] == -9);
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assert(v1[10] == 10);
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assert(v1[11] == -11);
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assert(v1[12] == -12);
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assert(v1[13] == -13);
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assert(v1[14] == 14);
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assert(v1[15] == -15);
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assert(v1[16] == -16);
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assert(v1[17] == -17);
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assert(v1[18] == 18);
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assert(v1[19] == 19);
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assert(v1[20] == 20);
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assert(v1[21] == 21);
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assert(v1[22] == -22);
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assert(v1[23] == -23);
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assert(v1[24] == -24);
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assert(v1[25] == 25);
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assert(v1[26] == -26);
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assert(v1[27] == -27);
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assert(v1[28] == -28);
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assert(v1[29] == 29);
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assert(v1[30] == -30);
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assert(v1[31] == -31);
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assert(v1[32] == -32);
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assert(v1[33] == 33);
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assert(v1[34] == -34);
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assert(v1[35] == -35);
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assert(v1[36] == -36);
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assert(v1[37] == 37);
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assert(v1[38] == 38);
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assert(v1[39] == 39);
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assert(v1[40] == 40);
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return 0;
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}
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