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-rw-r--r--src/algorithms/searching/InterpolationSearch.java66
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 (;;)
{