1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <random> 11 12 // template <class UIntType, UIntType a, UIntType c, UIntType m> 13 // class linear_congruential_engine; 14 15 // linear_congruential_engine(); 16 17 #include <random> 18 #include <cassert> 19 20 template <class T, T a, T c, T m> 21 void 22 test1() 23 { 24 typedef std::linear_congruential_engine<T, a, c, m> LCE; 25 typedef typename LCE::result_type result_type; 26 LCE e1; 27 LCE e2; 28 e2.seed(); 29 assert(e1 == e2); 30 } 31 32 template <class T> 33 void 34 test() 35 { 36 test1<T, 0, 0, 0>(); 37 test1<T, 0, 1, 2>(); 38 test1<T, 1, 1, 2>(); 39 const T M(static_cast<T>(-1)); 40 test1<T, 0, 0, M>(); 41 test1<T, 0, M-2, M>(); 42 test1<T, 0, M-1, M>(); 43 test1<T, M-2, 0, M>(); 44 test1<T, M-2, M-2, M>(); 45 test1<T, M-2, M-1, M>(); 46 test1<T, M-1, 0, M>(); 47 test1<T, M-1, M-2, M>(); 48 test1<T, M-1, M-1, M>(); 49 } 50 51 int main() 52 { 53 test<unsigned short>(); 54 test<unsigned int>(); 55 test<unsigned long>(); 56 test<unsigned long long>(); 57 } 58
