Daniel Dunbar | d7d5f02 | 2009-03-24 02:24:46 +0000 | [diff] [blame] | 1 | // RUN: clang-cc -fsyntax-only %s |
Douglas Gregor | 5953d8b | 2009-03-19 17:26:29 +0000 | [diff] [blame] | 2 | |
| 3 | // FIXME: The Fibonacci/FibonacciEval dance is here to work around our |
| 4 | // inability to parse injected-class-name<template-argument-list>. |
| 5 | template<unsigned I> |
| 6 | struct FibonacciEval; |
| 7 | |
| 8 | template<unsigned I> |
| 9 | struct Fibonacci { |
| 10 | enum { value = FibonacciEval<I-1>::value + FibonacciEval<I-2>::value }; |
| 11 | }; |
| 12 | |
| 13 | template<unsigned I> |
| 14 | struct FibonacciEval { |
| 15 | enum { value = Fibonacci<I>::value }; |
| 16 | }; |
| 17 | |
| 18 | template<> struct Fibonacci<0> { |
| 19 | enum { value = 0 }; |
| 20 | }; |
| 21 | |
| 22 | template<> struct Fibonacci<1> { |
| 23 | enum { value = 1 }; |
| 24 | }; |
| 25 | |
| 26 | int array5[Fibonacci<5>::value == 5? 1 : -1]; |
| 27 | int array10[Fibonacci<10>::value == 55? 1 : -1]; |
Douglas Gregor | 3d7a12a | 2009-03-25 23:32:15 +0000 | [diff] [blame^] | 28 | |
| 29 | template<unsigned I> |
| 30 | struct FibonacciEval2; |
| 31 | |
| 32 | template<unsigned I> |
| 33 | struct Fibonacci2 { |
| 34 | static const unsigned value |
| 35 | = FibonacciEval2<I-1>::value + FibonacciEval2<I-2>::value; |
| 36 | }; |
| 37 | |
| 38 | template<unsigned I> |
| 39 | struct FibonacciEval2 { |
| 40 | static const unsigned value = Fibonacci2<I>::value; |
| 41 | }; |
| 42 | |
| 43 | template<> struct Fibonacci2<0> { |
| 44 | static const unsigned value = 0; |
| 45 | }; |
| 46 | |
| 47 | template<> struct Fibonacci2<1> { |
| 48 | static const unsigned value = 1; |
| 49 | }; |
| 50 | |
| 51 | int array5_2[Fibonacci2<5>::value == 5? 1 : -1]; |
| 52 | int array10_2[Fibonacci2<10>::value == 55? 1 : -1]; |