/**
* Copyright (c) 2012 Michael Kutschke.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Michael Kutschke - initial API and implementation.
*/
package org.eclipse.recommenders.jayes.factor.arraywrapper;
import java.util.Arrays;
import java.util.Iterator;
import java.util.NoSuchElementException;
import org.eclipse.recommenders.internal.jayes.util.ArrayUtils;
public class FloatArrayWrapper implements IArrayWrapper {
private float[] array;
public FloatArrayWrapper(float... array) {
this.array = array;
}
@Override
public void setArray(double... array) {
setArray(ArrayUtils.toFloatArray(array));
}
@Override
public void setArray(float... array) {
this.array = array;
}
@Override
public double[] toDoubleArray() {
return ArrayUtils.toDoubleArray(array);
}
@Override
public float[] toFloatArray() {
return array;
}
@Override
public void set(int index, double d) {
array[index] = (float) d;
}
@Override
public void set(int index, float d) {
array[index] = d;
}
@Override
public void mulAssign(int index, double d) {
array[index] *= (float) d;
}
@Override
public void mulAssign(int index, float d) {
array[index] *= d;
}
@Override
public void mulAssign(int index, IArrayWrapper arg, int argIndex) {
array[index] *= arg.getFloat(argIndex);
}
@Override
public void addAssign(int index, double d) {
array[index] += (float) d;
}
@Override
public void addAssign(int index, float d) {
array[index] += d;
}
@Override
public void addAssign(int index, IArrayWrapper arg, int argIndex) {
array[index] += arg.getFloat(argIndex);
}
@Override
public double getDouble(int index) {
return array[index];
}
@Override
public float getFloat(int index) {
return array[index];
}
@Override
public int length() {
return array.length;
}
@Override
public void copy(double... array) {
setArray(array);
}
@Override
public void copy(float... array) {
this.array = array.clone();
}
@Override
public void copy(IArrayWrapper array) {
copy(array.toFloatArray());
}
@Override
public void fill(double d) {
Arrays.fill(array, (float) d);
}
@Override
public void fill(float d) {
Arrays.fill(array, d);
}
@Override
public void arrayCopy(IArrayWrapper src, int srcOffset, int destOffset, int length) {
System.arraycopy(src.toFloatArray(), srcOffset, array, destOffset, length);
}
@Override
public void newArray(int capacity) {
array = new float[capacity];
}
@Override
public FloatArrayWrapper clone() {
FloatArrayWrapper clone;
try {
clone = (FloatArrayWrapper) super.clone();
clone.array = array.clone();
return clone;
} catch (CloneNotSupportedException e) {
throw new AssertionError(e);
}
}
@Override
public int sizeOfElement() {
return 4;
}
@Override
public Iterator<Number> iterator() {
return new Iterator<Number>() {
private int index = 0;
@Override
public boolean hasNext() {
return index < array.length;
}
@Override
public Number next() {
if (index >= array.length) {
throw new NoSuchElementException();
}
return array[index++];
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
}