?? logsparsedoublematrix2d.java
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/* * Created on May 18, 2005 * */package iitb.CRF;import cern.colt.matrix.DoubleMatrix1D;import cern.colt.matrix.DoubleMatrix2D;import cern.colt.matrix.impl.SparseDoubleMatrix2D;public class LogSparseDoubleMatrix2D extends SparseDoubleMatrix2D { static double map(double val) { return LogSparseDoubleMatrix1D.map(val);} static double reverseMap(double val) { return LogSparseDoubleMatrix1D.reverseMap(val);} public LogSparseDoubleMatrix2D(int numR, int numC) {super(numR,numC); } public DoubleMatrix2D assign(double val) { return super.assign(map(val)); } public void set(int row, int column, double val) { super.set(row,column,map(val)); } public double get(int row, int column) { return reverseMap(super.get(row,column)); } public DoubleMatrix1D zMult(DoubleMatrix1D y, DoubleMatrix1D z, double alpha, double beta, boolean transposeA) { return RobustMath.logMult(this,y,z,alpha,beta,transposeA); }};
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