Java tutorial
/*- ******************************************************************************* * Copyright (c) 2011, 2016 Diamond Light Source Ltd. * 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: * Peter Chang - initial API and implementation and/or initial documentation *******************************************************************************/ // This is generated from DoubleDataset.java by fromdouble.py package org.eclipse.january.dataset; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.Set; import java.util.TreeSet; import org.apache.commons.math3.complex.Complex; import org.eclipse.january.metadata.StatisticsMetadata; /** * Extend dataset for byte values // PRIM_TYPE */ public class ByteDataset extends AbstractDataset { // pin UID to base class private static final long serialVersionUID = Dataset.serialVersionUID; protected byte[] data; // subclass alias // PRIM_TYPE @Override protected void setData() { data = (byte[]) odata; // PRIM_TYPE } protected static byte[] createArray(final int size) { // PRIM_TYPE byte[] array = null; // PRIM_TYPE try { array = new byte[size]; // PRIM_TYPE } catch (OutOfMemoryError e) { logger.error("The size of the dataset ({}) that is being created is too large " + "and there is not enough memory to hold it.", size); throw new OutOfMemoryError("The dimensions given are too large, and there is " + "not enough memory available in the Java Virtual Machine"); } return array; } @Override public int getDType() { return INT8; // DATA_TYPE } /** * Create a null dataset */ ByteDataset() { } /** * Create a zero-filled dataset of given shape * @param shape */ ByteDataset(final int... shape) { if (shape != null) { size = ShapeUtils.calcSize(shape); this.shape = shape.clone(); try { odata = data = createArray(size); } catch (Throwable t) { logger.error("Could not create a dataset of shape {}", Arrays.toString(shape), t); throw new IllegalArgumentException(t); } } } /** * Create a dataset using given data * @param data * @param shape * (can be null to create 1D dataset) */ ByteDataset(final byte[] data, int... shape) { // PRIM_TYPE if (data == null) { throw new IllegalArgumentException("Data must not be null"); } if (shape == null || shape.length == 0) { shape = new int[] { data.length }; } size = ShapeUtils.calcSize(shape); if (size != data.length) { throw new IllegalArgumentException(String.format( "Shape %s is not compatible with size of data array, %d", Arrays.toString(shape), data.length)); } this.shape = size == 0 ? null : shape.clone(); odata = this.data = data; } /** * Copy a dataset * @param dataset */ ByteDataset(final ByteDataset dataset) { copyToView(dataset, this, true, true); try { if (dataset.stride == null) { odata = data = dataset.data.clone(); } else { offset = 0; stride = null; base = null; odata = data = createArray(size); IndexIterator iter = dataset.getIterator(); for (int i = 0; iter.hasNext(); i++) { data[i] = dataset.data[iter.index]; } } } catch (Throwable t) { logger.error("Could not create a dataset of shape {}", Arrays.toString(shape), t); throw new IllegalArgumentException(t); } } /** * Copy and cast a dataset to this class type * @param dataset */ ByteDataset(final Dataset dataset) { copyToView(dataset, this, true, false); offset = 0; stride = null; base = null; try { odata = data = createArray(size); } catch (Throwable t) { logger.error("Could not create a dataset of shape {}", Arrays.toString(shape), t); throw new IllegalArgumentException(t); } IndexIterator iter = dataset.getIterator(); for (int i = 0; iter.hasNext(); i++) { data[i] = (byte) dataset.getElementLongAbs(iter.index); // GET_ELEMENT_WITH_CAST } } @Override public boolean equals(Object obj) { if (!super.equals(obj)) { return false; } if (getRank() == 0 && !getClass().equals(obj.getClass())) // already true for zero-rank dataset return true; ByteDataset other = (ByteDataset) obj; // if (size == 1) // for zero-rank datasets // return getAbs(offset) == other.getAbs(other.offset); IndexIterator iter = getIterator(); IndexIterator oiter = other.getIterator(); while (iter.hasNext() && oiter.hasNext()) { if (data[iter.index] != other.data[oiter.index]) // OBJECT_UNEQUAL return false; } return true; } @Override public int hashCode() { return super.hashCode(); } @Override public ByteDataset clone() { return new ByteDataset(this); } /** * Create a dataset from an object which could be a Java list, array (of arrays...) or Number. Ragged * sequences or arrays are padded with zeros. * * @param obj * @return dataset with contents given by input */ static ByteDataset createFromObject(final Object obj) { ByteDataset result = new ByteDataset(); if (obj != null) { result.shape = ShapeUtils.getShapeFromObject(obj); result.size = ShapeUtils.calcSize(result.shape); try { result.odata = result.data = createArray(result.size); } catch (Throwable t) { logger.error("Could not create a dataset of shape {}", Arrays.toString(result.shape), t); throw new IllegalArgumentException(t); } int[] pos = new int[result.shape.length]; result.fillData(obj, 0, pos); } return result; } /** * * @param stop * @return a new 1D dataset, filled with values determined by parameters */ static ByteDataset createRange(final double stop) { return createRange(0, stop, 1); } /** * * @param start * @param stop * @param step * @return a new 1D dataset, filled with values determined by parameters */ static ByteDataset createRange(final double start, final double stop, final double step) { int size = calcSteps(start, stop, step); ByteDataset result = new ByteDataset(size); for (int i = 0; i < size; i++) { result.data[i] = (byte) (start + i * step); // PRIM_TYPE // ADD_CAST } return result; } /** * @param shape * @return a dataset filled with ones */ static ByteDataset ones(final int... shape) { return new ByteDataset(shape).fill(1); } @Override public ByteDataset fill(final Object obj) { setDirty(); byte dv = (byte) DTypeUtils.toLong(obj); // PRIM_TYPE // FROM_OBJECT IndexIterator iter = getIterator(); while (iter.hasNext()) { data[iter.index] = dv; } return this; } /** * This is a typed version of {@link #getBuffer()} * @return data buffer as linear array */ public byte[] getData() { // PRIM_TYPE return data; } @Override protected int getBufferLength() { if (data == null) return 0; return data.length; } @Override public ByteDataset getView(boolean deepCopyMetadata) { ByteDataset view = new ByteDataset(); copyToView(this, view, true, deepCopyMetadata); view.setData(); return view; } /** * Get a value from an absolute index of the internal array. This is an internal method with no checks so can be * dangerous. Use with care or ideally with an iterator. * * @param index * absolute index * @return value */ public byte getAbs(final int index) { // PRIM_TYPE return data[index]; } @Override public boolean getElementBooleanAbs(final int index) { return data[index] != 0; // BOOLEAN_FALSE } @Override public double getElementDoubleAbs(final int index) { return data[index]; // BOOLEAN_ZERO } @Override public long getElementLongAbs(final int index) { return data[index]; // BOOLEAN_ZERO // OMIT_CAST_INT } @Override public Object getObjectAbs(final int index) { return data[index]; } @Override public String getStringAbs(final int index) { return stringFormat == null ? String.format("%d", data[index]) : // FORMAT_STRING stringFormat.format(data[index]); } /** * Set a value at absolute index in the internal array. This is an internal method with no checks so can be * dangerous. Use with care or ideally with an iterator. * * @param index * absolute index * @param val * new value */ public void setAbs(final int index, final byte val) { // PRIM_TYPE setDirty(); data[index] = val; } @Override protected void setItemDirect(final int dindex, final int sindex, final Object src) { setDirty(); byte[] dsrc = (byte[]) src; // PRIM_TYPE data[dindex] = dsrc[sindex]; } @Override public void setObjectAbs(final int index, final Object obj) { if (index < 0 || index > data.length) { throw new IndexOutOfBoundsException("Index given is outside dataset"); } setAbs(index, (byte) DTypeUtils.toLong(obj)); // FROM_OBJECT } /** * @return item in first position * @since 2.0 */ public byte get() { // PRIM_TYPE return data[getFirst1DIndex()]; } /** * @param i * @return item in given position */ public byte get(final int i) { // PRIM_TYPE return data[get1DIndex(i)]; } /** * @param i * @param j * @return item in given position */ public byte get(final int i, final int j) { // PRIM_TYPE return data[get1DIndex(i, j)]; } /** * @param pos * @return item in given position */ public byte get(final int... pos) { // PRIM_TYPE return data[get1DIndex(pos)]; } @Override public Object getObject() { return Byte.valueOf(get()); // CLASS_TYPE } @Override public Object getObject(final int i) { return Byte.valueOf(get(i)); // CLASS_TYPE } @Override public Object getObject(final int i, final int j) { return Byte.valueOf(get(i, j)); // CLASS_TYPE } @Override public Object getObject(final int... pos) { return Byte.valueOf(get(pos)); // CLASS_TYPE } @Override public String getString() { return getStringAbs(getFirst1DIndex()); } @Override public String getString(final int i) { return getStringAbs(get1DIndex(i)); } @Override public String getString(final int i, final int j) { return getStringAbs(get1DIndex(i, j)); } @Override public String getString(final int... pos) { return getStringAbs(get1DIndex(pos)); } @Override public double getDouble() { return get(); // BOOLEAN_ZERO } @Override public double getDouble(final int i) { return get(i); // BOOLEAN_ZERO } @Override public double getDouble(final int i, final int j) { return get(i, j); // BOOLEAN_ZERO } @Override public double getDouble(final int... pos) { return get(pos); // BOOLEAN_ZERO } @Override public float getFloat() { return get(); // BOOLEAN_ZERO // OMIT_REAL_CAST } @Override public float getFloat(final int i) { return get(i); // BOOLEAN_ZERO // OMIT_REAL_CAST } @Override public float getFloat(final int i, final int j) { return get(i, j); // BOOLEAN_ZERO // OMIT_REAL_CAST } @Override public float getFloat(final int... pos) { return get(pos); // BOOLEAN_ZERO // OMIT_REAL_CAST } @Override public long getLong() { return get(); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public long getLong(final int i) { return get(i); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public long getLong(final int i, final int j) { return get(i, j); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public long getLong(final int... pos) { return get(pos); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public int getInt() { return get(); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public int getInt(final int i) { return get(i); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public int getInt(final int i, final int j) { return get(i, j); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public int getInt(final int... pos) { return get(pos); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public short getShort() { return get(); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public short getShort(final int i) { return get(i); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public short getShort(final int i, final int j) { return get(i, j); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public short getShort(final int... pos) { return get(pos); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public byte getByte() { return get(); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public byte getByte(final int i) { return get(i); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public byte getByte(final int i, final int j) { return get(i, j); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public byte getByte(final int... pos) { return get(pos); // BOOLEAN_ZERO // OMIT_UPCAST } @Override public boolean getBoolean() { return get() != 0; // BOOLEAN_FALSE } @Override public boolean getBoolean(final int i) { return get(i) != 0; // BOOLEAN_FALSE } @Override public boolean getBoolean(final int i, final int j) { return get(i, j) != 0; // BOOLEAN_FALSE } @Override public boolean getBoolean(final int... pos) { return get(pos) != 0; // BOOLEAN_FALSE } /** * Sets the value at first point to the passed value. The dataset must not be null * * @param value * @since 2.0 */ public void setItem(final byte value) { // PRIM_TYPE setAbs(getFirst1DIndex(), value); } /** * Sets the value at a particular point to the passed value. The dataset must be 1D * * @param value * @param i */ public void setItem(final byte value, final int i) { // PRIM_TYPE setAbs(get1DIndex(i), value); } /** * Sets the value at a particular point to the passed value. The dataset must be 2D * * @param value * @param i * @param j */ public void setItem(final byte value, final int i, final int j) { // PRIM_TYPE setAbs(get1DIndex(i, j), value); } /** * Sets the value at a particular point to the passed value * * @param value * @param pos */ public void setItem(final byte value, final int... pos) { // PRIM_TYPE setAbs(get1DIndex(pos), value); } @Override public void set(final Object obj) { setItem((byte) DTypeUtils.toLong(obj)); // FROM_OBJECT } @Override public void set(final Object obj, final int i) { setItem((byte) DTypeUtils.toLong(obj), i); // FROM_OBJECT } @Override public void set(final Object obj, final int i, final int j) { setItem((byte) DTypeUtils.toLong(obj), i, j); // FROM_OBJECT } @Override public void set(final Object obj, int... pos) { if (pos == null || (pos.length == 0 && shape.length > 0)) { pos = new int[shape.length]; } setItem((byte) DTypeUtils.toLong(obj), pos); // FROM_OBJECT } @Override public void resize(int... newShape) { setDirty(); final IndexIterator iter = getIterator(); final int nsize = ShapeUtils.calcSize(newShape); final byte[] ndata; // PRIM_TYPE try { ndata = createArray(nsize); } catch (Throwable t) { logger.error("Could not create a dataset of shape {}", Arrays.toString(shape), t); throw new IllegalArgumentException(t); } for (int i = 0; iter.hasNext() && i < nsize; i++) { ndata[i] = data[iter.index]; } odata = data = ndata; size = nsize; shape = newShape; stride = null; offset = 0; base = null; } @Override public ByteDataset sort(Integer axis) { setDirty(); if (axis == null) { if (stride == null) { Arrays.sort(data); } else { ByteDataset ads = clone().sort(null); setSlicedView(getView(false), ads); } } else { axis = checkAxis(axis); ByteDataset ads = new ByteDataset(shape[axis]); PositionIterator pi = getPositionIterator(axis); int[] pos = pi.getPos(); boolean[] hit = pi.getOmit(); while (pi.hasNext()) { copyItemsFromAxes(pos, hit, ads); Arrays.sort(ads.data); setItemsOnAxes(pos, hit, ads.data); } } return this; // throw new UnsupportedOperationException("Cannot sort dataset"); // BOOLEAN_USE } @Override public ByteDataset getUniqueItems() { Set<Byte> set = new TreeSet<Byte>(); // CLASS_TYPE IndexIterator it = getIterator(); while (it.hasNext()) { set.add(data[it.index]); } ByteDataset u = new ByteDataset(set.size()); // CLASS_TYPE int i = 0; byte[] udata = u.getData(); // PRIM_TYPE for (Byte v : set) { // CLASS_TYPE udata[i++] = v; } return u; } @Override public ByteDataset getSlice(final SliceIterator siter) { ByteDataset result = new ByteDataset(siter.getShape()); byte[] rdata = result.data; // PRIM_TYPE for (int i = 0; siter.hasNext(); i++) rdata[i] = data[siter.index]; result.setName(name + BLOCK_OPEN + Slice.createString(siter.shape, siter.start, siter.stop, siter.step) + BLOCK_CLOSE); return result; } @Override public void fillDataset(Dataset result, IndexIterator iter) { setDirty(); IndexIterator riter = result.getIterator(); byte[] rdata = ((ByteDataset) result).data; // PRIM_TYPE while (riter.hasNext() && iter.hasNext()) { rdata[riter.index] = data[iter.index]; } } @Override public ByteDataset setByBoolean(final Object obj, Dataset selection) { setDirty(); if (obj instanceof Dataset) { final Dataset ds = (Dataset) obj; final int length = ((Number) selection.sum()).intValue(); if (length != ds.getSize()) { throw new IllegalArgumentException( "Number of true items in selection does not match number of items in dataset"); } final IndexIterator oiter = ds.getIterator(); final BooleanIterator biter = getBooleanIterator(selection); while (biter.hasNext() && oiter.hasNext()) { data[biter.index] = (byte) ds.getElementLongAbs(oiter.index); // GET_ELEMENT_WITH_CAST } } else { final byte dv = (byte) DTypeUtils.toLong(obj); // PRIM_TYPE // FROM_OBJECT final BooleanIterator biter = getBooleanIterator(selection); while (biter.hasNext()) { data[biter.index] = dv; } } return this; } @Override public ByteDataset setBy1DIndex(final Object obj, final Dataset index) { setDirty(); if (obj instanceof Dataset) { final Dataset ds = (Dataset) obj; if (index.getSize() != ds.getSize()) { throw new IllegalArgumentException( "Number of items in index dataset does not match number of items in dataset"); } final IndexIterator oiter = ds.getIterator(); final IntegerIterator iter = new IntegerIterator(index, size); while (iter.hasNext() && oiter.hasNext()) { data[iter.index] = (byte) ds.getElementLongAbs(oiter.index); // GET_ELEMENT_WITH_CAST } } else { final byte dv = (byte) DTypeUtils.toLong(obj); // PRIM_TYPE // FROM_OBJECT IntegerIterator iter = new IntegerIterator(index, size); while (iter.hasNext()) { data[iter.index] = dv; } } return this; } @Override public ByteDataset setByIndexes(final Object obj, final Object... indexes) { setDirty(); final IntegersIterator iter = new IntegersIterator(shape, indexes); final int[] pos = iter.getPos(); if (obj instanceof Dataset) { final Dataset ds = (Dataset) obj; if (ShapeUtils.calcSize(iter.getShape()) != ds.getSize()) { throw new IllegalArgumentException( "Number of items in index datasets does not match number of items in dataset"); } final IndexIterator oiter = ds.getIterator(); while (iter.hasNext() && oiter.hasNext()) { setItem((byte) ds.getElementLongAbs(oiter.index), pos); // GET_ELEMENT_WITH_CAST } } else { final byte dv = (byte) DTypeUtils.toLong(obj); // PRIM_TYPE // FROM_OBJECT while (iter.hasNext()) { setItem(dv, pos); } } return this; } @Override ByteDataset setSlicedView(Dataset view, Dataset d) { setDirty(); final BroadcastSelfIterator it = BroadcastSelfIterator.createIterator(view, d); while (it.hasNext()) { data[it.aIndex] = (byte) it.bLong; // BCAST_WITH_CAST d.getElementLongAbs(it.bIndex); } return this; } @Override public ByteDataset setSlice(final Object obj, final IndexIterator siter) { setDirty(); if (obj instanceof IDataset) { final IDataset ds = (IDataset) obj; final int[] oshape = ds.getShape(); if (!ShapeUtils.areShapesCompatible(siter.getShape(), oshape)) { throw new IllegalArgumentException( String.format("Input dataset is not compatible with slice: %s cf %s", Arrays.toString(oshape), Arrays.toString(siter.getShape()))); } if (ds instanceof Dataset) { final Dataset ads = (Dataset) ds; final IndexIterator oiter = ads.getIterator(); while (siter.hasNext() && oiter.hasNext()) data[siter.index] = (byte) ads.getElementLongAbs(oiter.index); // GET_ELEMENT_WITH_CAST } else { final IndexIterator oiter = new PositionIterator(oshape); final int[] pos = oiter.getPos(); while (siter.hasNext() && oiter.hasNext()) data[siter.index] = ds.getByte(pos); // PRIM_TYPE } } else { try { byte v = (byte) DTypeUtils.toLong(obj); // PRIM_TYPE // FROM_OBJECT while (siter.hasNext()) data[siter.index] = v; } catch (IllegalArgumentException e) { throw new IllegalArgumentException("Object for setting slice is not a dataset or number"); } } return this; } @Override public void copyItemsFromAxes(final int[] pos, final boolean[] axes, final Dataset dest) { byte[] ddata = (byte[]) dest.getBuffer(); // PRIM_TYPE SliceIterator siter = getSliceIteratorFromAxes(pos, axes); int[] sshape = ShapeUtils.squeezeShape(siter.getShape(), false); IndexIterator diter = dest.getSliceIterator(null, sshape, null); if (ddata.length < ShapeUtils.calcSize(sshape)) { throw new IllegalArgumentException("destination array is not large enough"); } dest.setDirty(); while (siter.hasNext() && diter.hasNext()) { ddata[diter.index] = data[siter.index]; } } @Override public void setItemsOnAxes(final int[] pos, final boolean[] axes, final Object src) { setDirty(); byte[] sdata = (byte[]) src; // PRIM_TYPE SliceIterator siter = getSliceIteratorFromAxes(pos, axes); if (sdata.length < ShapeUtils.calcSize(siter.getShape())) { throw new IllegalArgumentException("destination array is not large enough"); } for (int i = 0; siter.hasNext(); i++) { data[siter.index] = sdata[i]; } } private List<int[]> findPositions(final byte value) { // PRIM_TYPE IndexIterator iter = getIterator(true); List<int[]> posns = new ArrayList<int[]>(); int[] pos = iter.getPos(); { while (iter.hasNext()) { if (data[iter.index] == value) { posns.add(pos.clone()); } } } return posns; } @Override public int[] maxPos(boolean... ignoreInvalids) { StatisticsMetadata<Number> md = getStats(); // PRIM_TYPE // StatisticsMetadata<Number> md = getStats(); // BOOLEAN_USE // StatisticsMetadata<String> md = getStringStats(); // OBJECT_USE List<int[]> max = md.getMaximumPositions(ignoreInvalids); if (max == null) { max = findPositions(md.getMaximum(ignoreInvalids).byteValue()); // PRIM_TYPE // max = findPositions(md.getMaximum(ignoreInvalids).intValue() != 0); // BOOLEAN_USE // max = findPositions(md.getMaximum(ignoreInvalids).toString()); // OBJECT_USE md.setMaximumPositions(max); } return max.get(0); // first maximum } @Override public int[] minPos(boolean... ignoreInvalids) { StatisticsMetadata<Number> md = getStats(); // PRIM_TYPE // StatisticsMetadata<Number> md = getStats(); // BOOLEAN_USE // StatisticsMetadata<String> md = getStringStats(); // OBJECT_USE List<int[]> min = md.getMinimumPositions(ignoreInvalids); if (min == null) { min = findPositions(md.getMinimum(ignoreInvalids).byteValue()); // PRIM_TYPE // min = findPositions(md.getMinimum(ignoreInvalids).intValue() != 0); // BOOLEAN_USE // min = findPositions(md.getMinimum(ignoreInvalids).toString()); // OBJECT_USE md.setMinimumPositions(min); } return min.get(0); // first minimum } @Override public boolean containsNans() { return false; } @Override public boolean containsInfs() { return false; } @Override public boolean containsInvalidNumbers() { return false; } @Override public ByteDataset iadd(final Object b) { setDirty(); Dataset bds = b instanceof Dataset ? (Dataset) b : DatasetFactory.createFromObject(b); boolean useLong = bds.getElementClass().equals(Long.class); if (bds.getSize() == 1) { final IndexIterator it = getIterator(); if (useLong) { final long lb = bds.getElementLongAbs(0); while (it.hasNext()) { data[it.index] += lb; } } else { final double db = bds.getElementDoubleAbs(0); while (it.hasNext()) { data[it.index] += db; } } } else { final BroadcastSelfIterator it = BroadcastSelfIterator.createIterator(this, bds); it.setOutputDouble(!useLong); if (useLong) { while (it.hasNext()) { data[it.aIndex] += it.bLong; } } else { while (it.hasNext()) { data[it.aIndex] += it.bDouble; } } } return this; } @Override public ByteDataset isubtract(final Object b) { setDirty(); Dataset bds = b instanceof Dataset ? (Dataset) b : DatasetFactory.createFromObject(b); boolean useLong = bds.getElementClass().equals(Long.class); if (bds.getSize() == 1) { final IndexIterator it = getIterator(); if (useLong) { final long lb = bds.getElementLongAbs(0); while (it.hasNext()) { data[it.index] -= lb; } } else { final double db = bds.getElementDoubleAbs(0); while (it.hasNext()) { data[it.index] -= db; } } } else { final BroadcastSelfIterator it = BroadcastSelfIterator.createIterator(this, bds); if (useLong) { it.setOutputDouble(false); while (it.hasNext()) { data[it.aIndex] -= it.bLong; } } else { it.setOutputDouble(true); while (it.hasNext()) { data[it.aIndex] -= it.bDouble; } } } return this; } @Override public ByteDataset imultiply(final Object b) { setDirty(); Dataset bds = b instanceof Dataset ? (Dataset) b : DatasetFactory.createFromObject(b); boolean useLong = bds.getElementClass().equals(Long.class); if (bds.getSize() == 1) { final IndexIterator it = getIterator(); if (useLong) { final long lb = bds.getElementLongAbs(0); while (it.hasNext()) { data[it.index] *= lb; } } else { final double db = bds.getElementDoubleAbs(0); while (it.hasNext()) { data[it.index] *= db; } } } else { final BroadcastSelfIterator it = BroadcastSelfIterator.createIterator(this, bds); it.setOutputDouble(!useLong); if (useLong) { while (it.hasNext()) { data[it.aIndex] *= it.bLong; } } else { while (it.hasNext()) { data[it.aIndex] *= it.bDouble; } } } return this; } @Override public ByteDataset idivide(final Object b) { setDirty(); Dataset bds = b instanceof Dataset ? (Dataset) b : DatasetFactory.createFromObject(b); boolean useLong = bds.getElementClass().equals(Long.class); if (bds.getSize() == 1) { if (useLong) { final long lb = bds.getElementLongAbs(0); if (lb == 0) { // INT_USE fill(0); // INT_USE } else { // INT_USE final IndexIterator it = getIterator(); while (it.hasNext()) { data[it.index] /= lb; } } // INT_USE } else { final double db = bds.getElementDoubleAbs(0); if (db == 0) { // INT_USE fill(0); // INT_USE } else { // INT_USE final IndexIterator it = getIterator(); while (it.hasNext()) { data[it.index] /= db; } } // INT_USE } } else { final BroadcastSelfIterator it = BroadcastSelfIterator.createIterator(this, bds); it.setOutputDouble(!useLong); if (useLong) { while (it.hasNext()) { if (it.bLong == 0) { // INT_USE data[it.aIndex] = 0; // INT_USE } else { // INT_USE data[it.aIndex] /= it.bLong; } // INT_USE } } else { while (it.hasNext()) { if (it.bDouble == 0) { // INT_USE data[it.aIndex] = 0; // INT_USE } else { // INT_USE data[it.aIndex] /= it.bDouble; } // INT_USE } } } return this; } @Override public ByteDataset ifloor() { return this; } @Override public ByteDataset iremainder(final Object b) { setDirty(); Dataset bds = b instanceof Dataset ? (Dataset) b : DatasetFactory.createFromObject(b); boolean useLong = bds.getElementClass().equals(Long.class); if (bds.getSize() == 1) { if (useLong) { final long lb = bds.getElementLongAbs(0); if (lb == 0) { // INT_USE fill(0); // INT_USE } else { // INT_USE final IndexIterator it = getIterator(); while (it.hasNext()) { data[it.index] %= lb; } } // INT_USE } else { final long lb = bds.getElementLongAbs(0); if (lb == 0) { // INT_USE fill(0); // INT_USE } else { // INT_USE final IndexIterator it = getIterator(); while (it.hasNext()) { data[it.index] %= lb; } } // INT_USE } } else { final BroadcastSelfIterator it = BroadcastSelfIterator.createIterator(this, bds); it.setOutputDouble(!useLong); if (useLong) { while (it.hasNext()) { try { data[it.aIndex] %= it.bLong; // INT_EXCEPTION } catch (ArithmeticException e) { data[it.aIndex] = 0; } } } else { while (it.hasNext()) { try { data[it.aIndex] %= it.bDouble; // INT_EXCEPTION } catch (ArithmeticException e) { data[it.aIndex] = 0; } } } } return this; } @Override public ByteDataset ipower(final Object b) { setDirty(); Dataset bds = b instanceof Dataset ? (Dataset) b : DatasetFactory.createFromObject(b); if (bds.getSize() == 1) { final double vr = bds.getElementDoubleAbs(0); final IndexIterator it = getIterator(); if (bds.isComplex()) { final double vi = bds.getElementDoubleAbs(1); if (vi == 0) { while (it.hasNext()) { final double v = Math.pow(data[it.index], vr); if (Double.isInfinite(v) || Double.isNaN(v)) { // INT_USE data[it.index] = 0; // INT_USE } else { // INT_USE data[it.index] = (byte) (long) v; // PRIM_TYPE_LONG // ADD_CAST } // INT_USE } } else { final Complex zv = new Complex(vr, vi); while (it.hasNext()) { Complex zd = new Complex(data[it.index], 0); final double v = zd.pow(zv).getReal(); if (Double.isInfinite(v) || Double.isNaN(v)) { // INT_USE data[it.index] = 0; // INT_USE } else { // INT_USE data[it.index] = (byte) (long) v; // PRIM_TYPE_LONG // ADD_CAST } // INT_USE } } } else {// NAN_OMIT while (it.hasNext()) { final double v = Math.pow(data[it.index], vr); if (Double.isInfinite(v) || Double.isNaN(v)) { // INT_USE data[it.index] = 0; // INT_USE } else { // INT_USE data[it.index] = (byte) (long) v; // PRIM_TYPE_LONG // ADD_CAST } // INT_USE } } } else { final BroadcastIterator it = BroadcastIterator.createIterator(this, bds); it.setOutputDouble(true); if (bds.isComplex()) { while (it.hasNext()) { final Complex zv = new Complex(it.bDouble, bds.getElementDoubleAbs(it.bIndex + 1)); final double v = new Complex(it.aDouble, 0).pow(zv).getReal(); if (Double.isInfinite(v) || Double.isNaN(v)) { // INT_USE data[it.aIndex] = 0; // INT_USE } else { // INT_USE data[it.aIndex] = (byte) (long) v; // PRIM_TYPE_LONG // ADD_CAST } // INT_USE } } else {// NAN_OMIT while (it.hasNext()) { final double v = Math.pow(it.aDouble, it.bDouble); if (Double.isInfinite(v) || Double.isNaN(v)) { // INT_USE data[it.aIndex] = 0; // INT_USE } else { // INT_USE data[it.aIndex] = (byte) (long) v; // PRIM_TYPE_LONG // ADD_CAST } // INT_USE } } } return this; } @Override public double residual(final Object b, final Dataset w, boolean ignoreNaNs) { Dataset bds = b instanceof Dataset ? (Dataset) b : DatasetFactory.createFromObject(b); final BroadcastIterator it = BroadcastIterator.createIterator(this, bds); it.setOutputDouble(true); double sum = 0; double comp = 0; { if (w == null) { while (it.hasNext()) { final double diff = it.aDouble - it.bDouble; final double err = diff * diff - comp; final double temp = sum + err; comp = (temp - sum) - err; sum = temp; } } else { IndexIterator itw = w.getIterator(); while (it.hasNext() && itw.hasNext()) { final double diff = it.aDouble - it.bDouble; final double err = diff * diff * w.getElementDoubleAbs(itw.index) - comp; final double temp = sum + err; comp = (temp - sum) - err; sum = temp; } } } return sum; } }