| 40 |  | */ | 
| 41 |  |  | 
| 42 |  | #include <functional> | 
| 43 | < |  | 
| 43 | > | #include "config.h" | 
| 44 |  | namespace oopse { | 
| 45 |  |  | 
| 46 | < | /** | 
| 47 | < | * copy_if is one of the missing functions in STL. | 
| 48 | < | * copy_if copies elements from the range [first, last) to the range [result, result + (last-first)), | 
| 49 | < | * except that any element for which pred is false is not copied. | 
| 50 | < | */ | 
| 51 | < | template<typename InputIterator, typename OutputIterator, typename Predicate> | 
| 52 | < | OutputIterator copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate p) { | 
| 46 | > | /** | 
| 47 | > | * copy_if is one of the missing functions in STL. | 
| 48 | > | * copy_if copies elements from the range [first, last) to the range [result, result + (last-first)), | 
| 49 | > | * except that any element for which pred is false is not copied. | 
| 50 | > | */ | 
| 51 | > | template<typename InputIterator, typename OutputIterator, typename Predicate> | 
| 52 | > | OutputIterator copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate p) { | 
| 53 |  | while (first != last) { | 
| 54 | < | if (p(*first)) { | 
| 55 | < | *result++ = *first; | 
| 56 | < | } | 
| 57 | < | ++first; | 
| 54 | > | if (p(*first)) { | 
| 55 | > | *result++ = *first; | 
| 56 | > | } | 
| 57 | > | ++first; | 
| 58 |  | } | 
| 59 |  |  | 
| 60 |  | return result; | 
| 61 | < | } | 
| 61 | > | } | 
| 62 |  |  | 
| 63 |  |  | 
| 64 |  |  | 
| 65 | < | template<typename T> | 
| 66 | < | struct logical_xor :public std::binary_function<T, T, bool> { | 
| 67 | < | double operator()(T x, T y) { return x ^ y; } | 
| 68 | < | }; | 
| 65 | > | template<typename T> | 
| 66 | > | struct logical_xor :public std::binary_function<T, T, bool> { | 
| 67 | > | RealType operator()(T x, T y) { return x ^ y; } | 
| 68 | > | }; | 
| 69 |  |  | 
| 70 |  | } |