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A fast and easy to use dense matrix linear algebra library written in Java.
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/*
* Copyright (c) 2009-2013, Peter Abeles. All Rights Reserved.
*
* This file is part of Efficient Java Matrix Library (EJML).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.ejml.data;
import org.ejml.ops.MatrixIO;
/**
* Fixed sized 5 by FixedMatrix5x5_64F matrix. The matrix is stored as class variables for very fast read/write. aXY is the
* value of row = X and column = Y.
*
* @author Peter Abeles
*/
public class FixedMatrix5x5_64F implements FixedMatrix64F {
public double a11,a12,a13,a14,a15;
public double a21,a22,a23,a24,a25;
public double a31,a32,a33,a34,a35;
public double a41,a42,a43,a44,a45;
public double a51,a52,a53,a54,a55;
public FixedMatrix5x5_64F() {
}
public FixedMatrix5x5_64F( double a11,double a12,double a13,double a14,double a15,
double a21,double a22,double a23,double a24,double a25,
double a31,double a32,double a33,double a34,double a35,
double a41,double a42,double a43,double a44,double a45,
double a51,double a52,double a53,double a54,double a55)
{
this.a11 = a11;
this.a12 = a12;
this.a13 = a13;
this.a14 = a14;
this.a15 = a15;
this.a21 = a21;
this.a22 = a22;
this.a23 = a23;
this.a24 = a24;
this.a25 = a25;
this.a31 = a31;
this.a32 = a32;
this.a33 = a33;
this.a34 = a34;
this.a35 = a35;
this.a41 = a41;
this.a42 = a42;
this.a43 = a43;
this.a44 = a44;
this.a45 = a45;
this.a51 = a51;
this.a52 = a52;
this.a53 = a53;
this.a54 = a54;
this.a55 = a55;
}
public FixedMatrix5x5_64F( FixedMatrix5x5_64F o ) {
this.a11 = o.a11;
this.a12 = o.a12;
this.a13 = o.a13;
this.a14 = o.a14;
this.a15 = o.a15;
this.a21 = o.a21;
this.a22 = o.a22;
this.a23 = o.a23;
this.a24 = o.a24;
this.a25 = o.a25;
this.a31 = o.a31;
this.a32 = o.a32;
this.a33 = o.a33;
this.a34 = o.a34;
this.a35 = o.a35;
this.a41 = o.a41;
this.a42 = o.a42;
this.a43 = o.a43;
this.a44 = o.a44;
this.a45 = o.a45;
this.a51 = o.a51;
this.a52 = o.a52;
this.a53 = o.a53;
this.a54 = o.a54;
this.a55 = o.a55;
}
@Override
public double get(int row, int col) {
return unsafe_get(row,col);
}
@Override
public double unsafe_get(int row, int col) {
if( row == 0 ) {
if( col == 0 ) {
return a11;
} else if( col == 1 ) {
return a12;
} else if( col == 2 ) {
return a13;
} else if( col == 3 ) {
return a14;
} else if( col == 4 ) {
return a15;
}
} else if( row == 1 ) {
if( col == 0 ) {
return a21;
} else if( col == 1 ) {
return a22;
} else if( col == 2 ) {
return a23;
} else if( col == 3 ) {
return a24;
} else if( col == 4 ) {
return a25;
}
} else if( row == 2 ) {
if( col == 0 ) {
return a31;
} else if( col == 1 ) {
return a32;
} else if( col == 2 ) {
return a33;
} else if( col == 3 ) {
return a34;
} else if( col == 4 ) {
return a35;
}
} else if( row == 3 ) {
if( col == 0 ) {
return a41;
} else if( col == 1 ) {
return a42;
} else if( col == 2 ) {
return a43;
} else if( col == 3 ) {
return a44;
} else if( col == 4 ) {
return a45;
}
} else if( row == 4 ) {
if( col == 0 ) {
return a51;
} else if( col == 1 ) {
return a52;
} else if( col == 2 ) {
return a53;
} else if( col == 3 ) {
return a54;
} else if( col == 4 ) {
return a55;
}
}
throw new IllegalArgumentException("Row and/or column out of range. "+row+" "+col);
}
@Override
public void set(int row, int col, double val) {
unsafe_set(row,col,val);
}
@Override
public void unsafe_set(int row, int col, double val) {
if( row == 0 ) {
if( col == 0 ) {
a11 = val; return;
} else if( col == 1 ) {
a12 = val; return;
} else if( col == 2 ) {
a13 = val; return;
} else if( col == 3 ) {
a14 = val; return;
} else if( col == 4 ) {
a15 = val; return;
}
} else if( row == 1 ) {
if( col == 0 ) {
a21 = val; return;
} else if( col == 1 ) {
a22 = val; return;
} else if( col == 2 ) {
a23 = val; return;
} else if( col == 3 ) {
a24 = val; return;
} else if( col == 4 ) {
a25 = val; return;
}
} else if( row == 2 ) {
if( col == 0 ) {
a31 = val; return;
} else if( col == 1 ) {
a32 = val; return;
} else if( col == 2 ) {
a33 = val; return;
} else if( col == 3 ) {
a34 = val; return;
} else if( col == 4 ) {
a35 = val; return;
}
} else if( row == 3 ) {
if( col == 0 ) {
a41 = val; return;
} else if( col == 1 ) {
a42 = val; return;
} else if( col == 2 ) {
a43 = val; return;
} else if( col == 3 ) {
a44 = val; return;
} else if( col == 4 ) {
a45 = val; return;
}
} else if( row == 4 ) {
if( col == 0 ) {
a51 = val; return;
} else if( col == 1 ) {
a52 = val; return;
} else if( col == 2 ) {
a53 = val; return;
} else if( col == 3 ) {
a54 = val; return;
} else if( col == 4 ) {
a55 = val; return;
}
}
throw new IllegalArgumentException("Row and/or column out of range. "+row+" "+col);
}
@Override
public int getNumRows() {
return 5;
}
@Override
public int getNumCols() {
return 5;
}
@Override
public int getNumElements() {
return 25;
}
@Override
public T copy() {
return (T)new FixedMatrix5x5_64F(this);
}
@Override
public void print() {
MatrixIO.print(System.out, this);
}
}