| 95 | // ---------------------------------------------------------------------------------------- |
| 96 | |
| 97 | struct use_gaussian_weights |
| 98 | { |
| 99 | use_gaussian_weights ( |
| 100 | ) |
| 101 | { |
| 102 | gamma = 0.1; |
| 103 | } |
| 104 | |
| 105 | use_gaussian_weights ( |
| 106 | double g |
| 107 | ) |
| 108 | { |
| 109 | gamma = g; |
| 110 | } |
| 111 | |
| 112 | double gamma; |
| 113 | |
| 114 | template <typename edge_type> |
| 115 | double operator() ( |
| 116 | const edge_type& e |
| 117 | ) const |
| 118 | { |
| 119 | return std::exp(-gamma*e.distance()); |
| 120 | } |
| 121 | }; |
| 122 | |
| 123 | // ---------------------------------------------------------------------------------------- |
| 124 |
no outgoing calls