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added reallocate(int[] orig_array, int new_size) and int[] indexOfAll(String s, int ch); the former is self-explanatory, while the latter returns array of indices of all occurences of ch in the specified string 

git-svn-id: file:///humgen/gsa-scr1/gsa-engineering/svn_contents/trunk@856 348d0f76-0448-11de-a6fe-93d51630548a
This commit is contained in:
asivache 2009-05-29 20:15:00 +00:00
parent a1edb898ef
commit d601548d53
1 changed files with 29 additions and 0 deletions
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29
java/src/org/broadinstitute/sting/utils/Utils.java
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@ -406,6 +406,35 @@ public class Utils {
}
/** Returns indices of all occurrences of the specified symbol in the string */
public static int[] indexOfAll(String s, int ch) {
int[] pos = new int[64];
int z = 0;
for ( int i = 0 ; i < s.length() ; i++ ) {
if ( s.charAt(i) == ch ) pos[z++] = i;
}
return reallocate(pos,z);
}
/** Returns new (reallocated) integer array of the specified size, with content
* of the original array <code>orig</code> copied into it. If <code>newSize</code> is
* less than the size of the original array, only first <code>newSize</code> elements will be copied.
* If new size is greater than the size of the original array, the content of the original array will be padded
* with zeros up to the new size. Finally, if new size is the same as original size, no memory reallocation
* will be performed and the original array will be returned instead.
* @param orig
* @param newSize
* @return
*/
public static int[] reallocate(int[] orig, int newSize) {
if ( orig.length == newSize ) return orig;
int[] new_array = new int[newSize];
int L = ( newSize > orig.length ? orig.length : newSize );
for ( int i = 0 ; i < L ; i++ ) new_array[i] = orig[i];
return new_array;
}
/* TEST ME
public static void main(String[] argv) {
List<Integer> l1 = new LinkedList<Integer>();