Package org.apache.commons.math.util

Examples of org.apache.commons.math.util.OpenIntToDoubleHashMap$Iterator

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     * @param matrix matrix to copy
     */
    public OpenMapRealMatrix(OpenMapRealMatrix matrix) {
        this.rows    = matrix.rows;
        this.columns = matrix.columns;
        this.entries = new OpenIntToDoubleHashMap(matrix.entries);
    }
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     */
    public OpenMapRealMatrix(int rowDimension, int columnDimension) {
        super(rowDimension, columnDimension);
        this.rowDimension = rowDimension;
        this.columnDimension = columnDimension;
        this.entries = new OpenIntToDoubleHashMap(0.0);
    }
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     * @param matrix matrix to copy
     */
    public OpenMapRealMatrix(OpenMapRealMatrix matrix) {
        this.rowDimension = matrix.rowDimension;
        this.columnDimension = matrix.columnDimension;
        this.entries = new OpenIntToDoubleHashMap(matrix.entries);
    }
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     * @param dimension Size of the vector
     * @param epsilon The tolerance for having a value considered zero
     */
    public OpenMapRealVector(int dimension, double epsilon) {
        virtualSize = dimension;
        entries = new OpenIntToDoubleHashMap(0.0);
        this.epsilon = epsilon;
    }
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     * @param v The original vector
     * @param resize The amount to resize it
     */
    protected OpenMapRealVector(OpenMapRealVector v, int resize) {
        virtualSize = v.getDimension() + resize;
        entries = new OpenIntToDoubleHashMap(v.entries);
        epsilon = v.getEpsilon();
    }
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     * @param expectedSize The expected number of non-zero entries
     * @param epsilon The tolerance for having a value considered zero
     */
    public OpenMapRealVector(int dimension, int expectedSize, double epsilon) {
        virtualSize = dimension;
        entries = new OpenIntToDoubleHashMap(expectedSize, 0.0);
        this.epsilon = epsilon;
    }
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     * @param values The set of values to create from
     * @param epsilon The tolerance for having a value considered zero
     */
    public OpenMapRealVector(double[] values, double epsilon) {
        virtualSize = values.length;
        entries = new OpenIntToDoubleHashMap(0.0);
        this.epsilon = epsilon;
        for (int key = 0; key < values.length; key++) {
            double value = values[key];
            if (!isZero(value)) {
                entries.put(key, value);
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     * @param values The set of values to create from
     * @param epsilon The tolerance for having a value considered zero
     */
    public OpenMapRealVector(Double[] values, double epsilon) {
        virtualSize = values.length;
        entries = new OpenIntToDoubleHashMap(0.0);
        this.epsilon = epsilon;
        for (int key = 0; key < values.length; key++) {
            double value = values[key].doubleValue();
            if (!isZero(value)) {
                entries.put(key, value);
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     * Copy constructor.
     * @param v The instance to copy from
     */
    public OpenMapRealVector(OpenMapRealVector v) {
        virtualSize = v.getDimension();
        entries = new OpenIntToDoubleHashMap(v.getEntries());
        epsilon = v.getEpsilon();
    }
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     * Generic copy constructor.
     * @param v The instance to copy from
     */
    public OpenMapRealVector(RealVector v) {
        virtualSize = v.getDimension();
        entries = new OpenIntToDoubleHashMap(0.0);
        epsilon = DEFAULT_ZERO_TOLERANCE;
        for (int key = 0; key < virtualSize; key++) {
            double value = v.getEntry(key);
            if (!isZero(value)) {
                entries.put(key, value);
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