62 lines
1.3 KiB
C++
62 lines
1.3 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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// <random>
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// template <class UIntType, UIntType a, UIntType c, UIntType m>
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// class linear_congruential_engine;
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// linear_congruential_engine& operator=(const linear_congruential_engine&);
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#include <random>
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#include <cassert>
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#include "test_macros.h"
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template <class T, T a, T c, T m>
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void
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test1()
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{
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typedef std::linear_congruential_engine<T, a, c, m> E;
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E e1;
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E e2;
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assert(e1 == e2);
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(void)e1();
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e2 = e1;
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assert(e1 == e2);
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}
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template <class T>
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void
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test()
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{
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test1<T, 0, 0, 0>();
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test1<T, 0, 1, 2>();
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test1<T, 1, 1, 2>();
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const T M(static_cast<T>(-1));
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test1<T, 0, 0, M>();
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test1<T, 0, M-2, M>();
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test1<T, 0, M-1, M>();
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test1<T, M-2, 0, M>();
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test1<T, M-2, M-2, M>();
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test1<T, M-2, M-1, M>();
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test1<T, M-1, 0, M>();
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test1<T, M-1, M-2, M>();
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test1<T, M-1, M-1, M>();
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}
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int main(int, char**)
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{
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test<unsigned short>();
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test<unsigned int>();
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test<unsigned long>();
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test<unsigned long long>();
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return 0;
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}
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