| 42 | /// Return index of \a v in array \a a |
| 43 | template<class T> |
| 44 | forceinline bool |
| 45 | lookupValue(T& a, int v, int& i) { |
| 46 | int l = 0; |
| 47 | int r = a.size() - 1; |
| 48 | |
| 49 | while (l <= r) { |
| 50 | int m = l + (r - l) / 2; |
| 51 | if (v == a[m].card()) { |
| 52 | i=m; return true; |
| 53 | } else if (l == r) { |
| 54 | return false; |
| 55 | } else if (v < a[m].card()) { |
| 56 | r=m-1; |
| 57 | } else { |
| 58 | l=m+1; |
| 59 | } |
| 60 | } |
| 61 | return false; |
| 62 | } |
| 63 | |
| 64 | /// Constant view containing lower and upper cardinality bounds |
| 65 | class CardConst { |