got read of a couple of warnings and added percentage(x,base) methods
git-svn-id: file:///humgen/gsa-scr1/gsa-engineering/svn_contents/trunk@462 348d0f76-0448-11de-a6fe-93d51630548a
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@ -53,7 +53,7 @@ public class Utils {
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* @return new list built from elements of <c> passing the filter
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* @return new list built from elements of <c> passing the filter
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* @see #filterInPlace(Predicate pred, Collection c)
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* @see #filterInPlace(Predicate pred, Collection c)
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*/
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*/
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public static <T> List<T> filter(Predicate pred, Collection<T> c) {
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public static <T> List<T> filter(Predicate<? super T> pred, Collection<T> c) {
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List<T> filtered = new ArrayList<T>();
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List<T> filtered = new ArrayList<T>();
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// loop through all the elements in c
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// loop through all the elements in c
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for (T obj : c) {
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for (T obj : c) {
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@ -84,7 +84,7 @@ public class Utils {
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* @return reference to the same (modified) collection <c>
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* @return reference to the same (modified) collection <c>
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* @see #filter(Predicate pred, Collection c)
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* @see #filter(Predicate pred, Collection c)
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*/
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*/
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public static <T> Collection<T> filterInPlace(Predicate pred, Collection<T> c) {
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public static <T> Collection<T> filterInPlace(Predicate<? super T> pred, Collection<T> c) {
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if (c instanceof ArrayList) {
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if (c instanceof ArrayList) {
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// arraylists are a special case that we know how to process efficiently
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// arraylists are a special case that we know how to process efficiently
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// (generic implementation below removes one element at a time and is not well suited
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// (generic implementation below removes one element at a time and is not well suited
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@ -237,15 +237,15 @@ public class Utils {
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// Java Generics can't do primitive types, so I had to do this the simplistic way
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// Java Generics can't do primitive types, so I had to do this the simplistic way
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public static Integer[] SortPermutation(final int[] A) {
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public static Integer[] SortPermutation(final int[] A) {
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class comparator implements Comparator {
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class comparator implements Comparator<Integer> {
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public int compare(Object a, Object b) {
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public int compare(Integer a, Integer b) {
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if (A[(Integer) a] < A[(Integer) b]) {
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if (A[a.intValue()] < A[b.intValue()]) {
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return -1;
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return -1;
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}
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}
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if (A[(Integer) a] == A[(Integer) b]) {
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if (A[a.intValue()] == A[b.intValue()]) {
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return 0;
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return 0;
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}
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}
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if (A[(Integer) a] > A[(Integer) b]) {
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if (A[a.intValue()] > A[b.intValue()]) {
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return 1;
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return 1;
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}
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}
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return 0;
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return 0;
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@ -260,15 +260,15 @@ public class Utils {
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}
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}
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public static Integer[] SortPermutation(final double[] A) {
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public static Integer[] SortPermutation(final double[] A) {
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class comparator implements Comparator {
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class comparator implements Comparator<Integer> {
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public int compare(Object a, Object b) {
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public int compare(Integer a, Integer b) {
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if (A[(Integer) a] < A[(Integer) b]) {
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if (A[a.intValue()] < A[ b.intValue() ]) {
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return -1;
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return -1;
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}
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}
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if (A[(Integer) a] == A[(Integer) b]) {
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if (A[ a.intValue() ] == A[ b.intValue() ]) {
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return 0;
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return 0;
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}
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}
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if (A[(Integer) a] > A[(Integer) b]) {
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if (A[ a.intValue() ] > A[ b.intValue() ]) {
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return 1;
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return 1;
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}
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}
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return 0;
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return 0;
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@ -350,7 +350,12 @@ public class Utils {
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return ans;
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return ans;
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}
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}
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/* TEST ME
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public static double percentage(double x, double base) { return (base> 0 ? (x/base)*100.0 : 0); }
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public static double percentage(int x, int base) { return (base> 0 ? ((double)x/(double)base)*100.0 : 0); }
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public static double percentage(long x, long base) { return (base> 0 ? ((double)x/(double)base)*100.0 : 0); }
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/* TEST ME
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public static void main(String[] argv) {
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public static void main(String[] argv) {
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List<Integer> l1 = new LinkedList<Integer>();
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List<Integer> l1 = new LinkedList<Integer>();
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List<Integer> l2 = new ArrayList<Integer>();
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List<Integer> l2 = new ArrayList<Integer>();
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