diff options
Diffstat (limited to 'src/algorithms')
| -rw-r--r-- | src/algorithms/searching/InterpolationSearch.java | 66 |
1 files changed, 62 insertions, 4 deletions
diff --git a/src/algorithms/searching/InterpolationSearch.java b/src/algorithms/searching/InterpolationSearch.java index 1e4aaa8..63bfd17 100644 --- a/src/algorithms/searching/InterpolationSearch.java +++ b/src/algorithms/searching/InterpolationSearch.java @@ -42,9 +42,38 @@ public class InterpolationSearch */ public static int indexOf(£{T} item, £{T}[] array) { + return indexOf(item, array, 0, array.length); + } + + /** + * Find the easiest to find occurance of an item in a list + * + * @param item The item to find + * @param array The list in which to search + * @param start The index of the first position to search in the array + * @return The index of the easiest to find occurance of the item. The bitwise + * negation of the position it insert it in is returned if it was not found. + */ + public static int indexOf(£{T} item, £{T}[] array, int start) + { + return indexOf(item, array, start, array.length); + } + + /** + * Find the easiest to find occurance of an item in a list + * + * @param item The item to find + * @param array The list in which to search + * @param start The index of the first position to search in the array + * @param end The index after the last position to search in the array + * @return The index of the easiest to find occurance of the item. The bitwise + * negation of the position it insert it in is returned if it was not found. + */ + public static int indexOf(£{T} item, £{T}[] array, int start, int end) + { £{T} low, high, at; - int min = 0, mid; - int max = array.length - 1; + int min = start, mid; + int max = end - 1; for (;;) { @@ -74,9 +103,38 @@ public class InterpolationSearch */ public static int indexOf(£{T} item, £{T}[] array) { + return indexOf(item, array, 0, array.length); + } + + /** + * Find the easiest to find occurance of an item in a list + * + * @param item The item to find + * @param array The list in which to search + * @param start The index of the first position to search in the array + * @return The index of the easiest to find occurance of the item. The bitwise + * negation of the position it insert it in is returned if it was not found. + */ + public static int indexOf(£{T} item, £{T}[] array, int start) + { + return indexOf(item, array, start, array.length); + } + + /** + * Find the easiest to find occurance of an item in a list + * + * @param item The item to find + * @param array The list in which to search + * @param start The index of the first position to search in the array + * @param end The index after the last position to search in the array + * @return The index of the easiest to find occurance of the item. The bitwise + * negation of the position it insert it in is returned if it was not found. + */ + public static int indexOf(£{T} item, £{T}[] array, int start, int end) + { £{T} low, high, at; - int min = 0, mid; - int max = array.length - 1; + int min = start, mid; + int max = end - 1; for (;;) { |