List of usage examples for org.apache.commons.math3.linear MatrixUtils checkColumnIndex
public static void checkColumnIndex(final AnyMatrix m, final int column) throws OutOfRangeException
From source file:com.datumbox.framework.core.common.dataobjects.MapRealMatrix.java
/** {@inheritDoc} */ @Override/*from www.j ava2 s. c o m*/ public double getEntry(int row, int column) throws OutOfRangeException { MatrixUtils.checkRowIndex(this, row); MatrixUtils.checkColumnIndex(this, column); return entries.getOrDefault(computeKey(row, column), 0.0); }
From source file:com.datumbox.framework.core.common.dataobjects.MapRealMatrix.java
/** {@inheritDoc} */ @Override// ww w.j a va2 s . c om public void setEntry(int row, int column, double value) throws OutOfRangeException { MatrixUtils.checkRowIndex(this, row); MatrixUtils.checkColumnIndex(this, column); if (value == 0.0) { entries.remove(computeKey(row, column)); //if it is exactly 0.0 don't store it. Also make sure you remove any previous key. } else { entries.put(computeKey(row, column), value); } }
From source file:lirmm.inria.fr.math.BigSparseRealMatrix.java
/** * {@inheritDoc}//from w w w .ja v a 2 s.c om */ @Override public double getEntry(int row, int column) throws OutOfRangeException { int rowIndex, columnIndex; if (isTransposed) { rowIndex = column; columnIndex = row; } else { rowIndex = row; columnIndex = column; } MatrixUtils.checkRowIndex(this, row); MatrixUtils.checkColumnIndex(this, column); return entries.get(computeKey(rowIndex, columnIndex)); }
From source file:lirmm.inria.fr.math.BigSparseRealMatrix.java
/** * {@inheritDoc}//from w ww . j a va2 s . c o m */ @Override public void setEntry(int row, int column, double value) throws OutOfRangeException { int rowIndex, columnIndex; if (isTransposed) { rowIndex = column; columnIndex = row; } else { rowIndex = row; columnIndex = column; } // MatrixUtils.checkRowIndex(this, row); MatrixUtils.checkColumnIndex(this, column); if (value == 0.0) { entries.remove(computeKey(rowIndex, columnIndex)); } else { entries.put(computeKey(rowIndex, columnIndex), value); } }
From source file:lirmm.inria.fr.math.BigSparseRealMatrix.java
/** * {@inheritDoc}//w w w .j a v a2 s.c om */ @Override public void addToEntry(int row, int column, double increment) throws OutOfRangeException { MatrixUtils.checkRowIndex(this, row); MatrixUtils.checkColumnIndex(this, column); int rowIndex, columnIndex; if (isTransposed) { rowIndex = column; columnIndex = row; } else { rowIndex = row; columnIndex = column; } final long key = computeKey(rowIndex, columnIndex); final double value = entries.get(key) + increment; if (value == 0.0) { entries.remove(key); } else { entries.put(key, value); } }
From source file:lirmm.inria.fr.math.BigSparseRealMatrix.java
/** * {@inheritDoc}/*from w w w. j a v a2 s .co m*/ */ @Override public void multiplyEntry(int row, int column, double factor) throws OutOfRangeException { MatrixUtils.checkRowIndex(this, row); MatrixUtils.checkColumnIndex(this, column); int rowIndex, columnIndex; if (isTransposed) { rowIndex = column; columnIndex = row; } else { rowIndex = row; columnIndex = column; } final long key = computeKey(rowIndex, columnIndex); final double value = entries.get(key) * factor; if (value == 0.0) { entries.remove(key); } else { entries.put(key, value); } }