| 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 | // UNSUPPORTED: no-localization |
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| 10 | |
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| 11 | // <random> |
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| 12 | |
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| 13 | // template<class RealType = double> |
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| 14 | // class piecewise_constant_distribution |
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| 15 | |
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| 16 | // template <class charT, class traits> |
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| 17 | // basic_ostream<charT, traits>& |
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| 18 | // operator<<(basic_ostream<charT, traits>& os, |
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| 19 | // const piecewise_constant_distribution& x); |
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| 20 | // |
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| 21 | // template <class charT, class traits> |
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| 22 | // basic_istream<charT, traits>& |
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| 23 | // operator>>(basic_istream<charT, traits>& is, |
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| 24 | // piecewise_constant_distribution& x); |
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| 25 | |
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| 26 | #include <random> |
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| 27 | #include <sstream> |
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| 28 | #include <cassert> |
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| 29 | |
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| 30 | #include "test_macros.h" |
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| 31 | |
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| 32 | int main(int, char**) |
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| 33 | { |
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| 34 | { |
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| 35 | typedef std::piecewise_constant_distribution<> D; |
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| 36 | double b[] = {10, 14, 16, 17}; |
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| 37 | double p[] = {25, 62.5, 12.5}; |
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| 38 | const std::size_t Np = sizeof(p) / sizeof(p[0]); |
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| 39 | D d1(b, b+Np+1, p); |
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| 40 | std::ostringstream os; |
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| 41 | os << d1; |
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| 42 | std::istringstream is(os.str()); |
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| 43 | D d2; |
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| 44 | is >> d2; |
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| 45 | assert(d1 == d2); |
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| 46 | } |
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| 47 | |
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| 48 | return 0; |
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| 49 | } |
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| 50 | |
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