/*
* MMSParameter.java
*
* Created on June 23, 2005, 4:54 PM
*
* To change this template, choose Tools | Options and locate the template under
* the Source Creation and Management node. Right-click the template and choose
* Open. You can then make changes to the template in the Source Editor.
*/
package ngmf.ui.mms;
public class MmsParameter implements Parameter, Comparable {
private String name;
private int width = 0;
private Dimension[] dimensions;
private int[] size;
private Class type;
private Object vals;
private Object origVals;
private int total_size = 0;
public MmsParameter(String name, int width, Dimension[] dimensions, Class type, Object vals) {
this.name = name;
this.width = width;
this.dimensions = dimensions;
this.type = type;
this.vals = vals;
size = new int[dimensions.length];
for (int i = 0; i < dimensions.length; i++) {
size[i] = dimensions[i].getSize();
if (i == 0) {
total_size = size[0];
} else {
total_size = total_size * size[i];
}
}
if (type == Integer.class) {
int[] temp = new int[total_size];
for (int i = 0; i < total_size; i++) {
temp[i] = ((int[])(vals))[i];
}
origVals = temp;
} else {
double[] temp = new double[total_size];
for (int i = 0; i < total_size; i++) {
temp[i] = ((double[])(vals))[i];
}
origVals = temp;
}
}
static void figureOutIndexes(int index, int[] sizes, int[] indexes) {
int prev_div = 0;
for (int i = (sizes.length - 1); i > 0; i--) {
int div = sizes[0];
for (int j = 1; j < i; j++) {
div = div * sizes[j];
}
indexes[i] = (index - prev_div) / div;
prev_div = (indexes[i] * div) + prev_div;
}
indexes[0] = index - prev_div;
}
static int figureOutIndex(Dimension[] dimensions, int[] indexes) {
int index = 0;
for (int i = (dimensions.length - 1); i > 0; i--) {
int mult = dimensions[0].getSize();
for (int j = 1; j < i; j++) {
mult = mult * dimensions[j].getSize();
}
index = index + (mult * indexes[i]);
}
index = index + indexes[0];
return index;
}
public String toString() {return name;}
/*
* Implements oui.util.Parameter
*/
public String getName() {return (name);}
public int getWidth() {return (width);}
public int getNumDim() {return (dimensions.length);}
public Dimension getDimension(int index) {return (dimensions[index]);}
public int getSize() {return (total_size);}
public Class getType() {return (type);}
public Object getVals() {return (vals);}
public void setVals(Object vals) {this.vals = vals;}
public void setValueAt(Object val, int index) {
if (type == Integer.class) {
int[] foo = (int[])vals;
foo[index] = ((Integer)val).intValue();
} else {
double[] foo = (double[])vals;
foo[index] = ((Double)val).doubleValue();
}
}
public boolean isDimensionedBy(Dimension dim) {
for (int i = 0; i < dimensions.length; i++) {
if (dimensions[i] == dim) return true;
}
return false;
}
public double getMean() {
if (total_size == 0) return Double.NaN;
double mean = 0.0;
if (type == Integer.class) {
for (int i = 0; i < total_size; i++) {
mean += ((int[])vals)[i];
}
mean = mean / (double)total_size;
} else {
for (int i = 0; i < total_size; i++) {
mean += ((double[])vals)[i];
}
mean = mean / (double)total_size;
}
return mean;
}
public double getMin() {
if (total_size == 0) return Double.NaN;
double min = Double.POSITIVE_INFINITY;
if (type == Integer.class) {
for (int i = 0; i < total_size; i++) {
if (min > ((int[])vals)[i]) min = ((int[])vals)[i];
}
} else {
for (int i = 0; i < total_size; i++) {
if (min > ((double[])vals)[i]) min = ((double[])vals)[i];
}
}
return min;
}
public double getMax() {
if (total_size == 0) return Double.NaN;
double max = Double.NEGATIVE_INFINITY;
if (type == Integer.class) {
for (int i = 0; i < total_size; i++) {
if (max < ((int[])vals)[i]) max = ((int[])vals)[i];
}
} else {
for (int i = 0; i < total_size; i++) {
if (max < ((double[])vals)[i]) max = ((double[])vals)[i];
}
}
return max;
}
public void resize() {
int new_size = 0;
for (int i = 0; i < dimensions.length; i++) {
if (i == 0) {
new_size = dimensions[0].getSize();
} else {
new_size = new_size * dimensions[i].getSize();
}
}
if (type == Integer.class) {
int[] temp = new int[new_size];
int[] old_index = new int[dimensions.length];
for (int i = 0; i < new_size; i++) {
temp[i] = Integer.MIN_VALUE;
}
for (int i = 0; i < total_size; i++) {
// Figure out old array indexes
figureOutIndexes(i, size, old_index);
boolean within_bounds = true;
for (int j = 0; j < dimensions.length; j++) {
if (old_index[j] >= dimensions[j].getSize()) {
within_bounds = false;
break;
}
if (within_bounds) {
temp[figureOutIndex(dimensions, old_index)] = ((int[])vals)[i];
}
}
}
vals = temp;
} else {
double[] temp = new double[new_size];
int[] old_index = new int[dimensions.length];
for (int i = 0; i < new_size; i++) {
temp[i] = Double.MIN_VALUE;
}
for (int i = 0; i < total_size; i++) {
// Figure out old array indexes
figureOutIndexes(i, size, old_index);
boolean within_bounds = true;
for (int j = 0; j < dimensions.length; j++) {
if (old_index[j] >= dimensions[j].getSize()) {
within_bounds = false;
break;
}
if (within_bounds) {
temp[figureOutIndex(dimensions, old_index)] = ((double[])vals)[i];
}
}
}
vals = temp;
}
for (int i = 0; i < dimensions.length; i++) {
size[i] = dimensions[i].getSize();
if (i == 0) {
total_size = size[0];
} else {
total_size = total_size * size[i];
}
}
}
/*
* Implements java.lang.Comparable
*/
public int compareTo(Object o) {
if (o.getClass() == MmsParameter.class) {
return name.compareTo(((MmsParameter)o).getName());
}
return name.compareTo((String)o);
}
public static void main(String arg[]) {
// int[] sizes = {4};
// int index = 4;
// int[] indexes = new int[1];
//
//
// for (int foo = 0; foo < 4; foo++) {
// System.out.print(foo);
// MmsParameter.figureOutIndexes(foo, sizes, indexes);
//
// for (int i = 0; i < indexes.length; i++) {
// System.out.print(" " + indexes[i]);
// }
// System.out.println("");
// }
int[] indexes = new int[3];
MmsDimension[] dims = new MmsDimension[3];
dims[0] = new MmsDimension("nlapse", 4);
dims[1] = new MmsDimension("nmonth", 3);
dims[2] = new MmsDimension("foo", 2);
for (int ifoo = 0; ifoo < 2; ifoo++) {
for (int imonth = 0; imonth < 3; imonth++) {
for (int ilapse = 0; ilapse < 4; ilapse++) {
indexes[0] = ilapse;
indexes[1] = imonth;
indexes[2] = ifoo;
System.out.println(MmsParameter.figureOutIndex(dims, indexes) + " " + indexes[0] + " " + indexes[1] + " " + indexes[2]);
}
}
}
}
}