fibonacci.cpp source code [clang_source_code/test/SemaTemplate/fibonacci.cpp]

1	// RUN: %clang_cc1 -fsyntax-only %s
2
3	template<unsigned I>
4	struct FibonacciEval;
5
6	template<unsigned I>
7	struct Fibonacci {
8	enum { value = FibonacciEval<I-1>::value + FibonacciEval<I-2>::value };
9	};
10
11	template<unsigned I>
12	struct FibonacciEval {
13	enum { value = Fibonacci<I>::value };
14	};
15
16	template<> struct Fibonacci<0> {
17	enum { value = 0 };
18	};
19
20	template<> struct Fibonacci<1> {
21	enum { value = 1 };
22	};
23
24	int array5[Fibonacci<5>::value == 5? 1 : -1];
25	int array10[Fibonacci<10>::value == 55? 1 : -1];
26
27	template<unsigned I>
28	struct FibonacciEval2;
29
30	template<unsigned I>
31	struct Fibonacci2 {
32	static const unsigned value
33	= FibonacciEval2<I-1>::value + FibonacciEval2<I-2>::value;
34	};
35
36	template<unsigned I>
37	struct FibonacciEval2 {
38	static const unsigned value = Fibonacci2<I>::value;
39	};
40
41	template<> struct Fibonacci2<0> {
42	static const unsigned value = 0;
43	};
44
45	template<> struct Fibonacci2<1> {
46	static const unsigned value = 1;
47	};
48
49	int array5_2[Fibonacci2<5>::value == 5? 1 : -1];
50	int array10_2[Fibonacci2<10>::value == 55? 1 : -1];
51
52	template<unsigned I>
53	struct Fibonacci3 {
54	static const unsigned value = Fibonacci3<I-1>::value + Fibonacci3<I-2>::value;
55	};
56
57	template<> struct Fibonacci3<0> {
58	static const unsigned value = 0;
59	};
60
61	template<> struct Fibonacci3<1> {
62	static const unsigned value = 1;
63	};
64
65	int array5_3[Fibonacci3<5>::value == 5? 1 : -1];
66	int array10_3[Fibonacci3<10>::value == 55? 1 : -1];
67

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