/*
 * Copyright (c) 2009-2014, 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 void set(Matrix original) {
        if( original.getNumCols() != 5 || original.getNumRows() != 5 )
            throw new IllegalArgumentException("Rows and/or columns do not match");
        RealMatrix64F m = (RealMatrix64F)original;
        
        a11 = m.get(0,0);
        a12 = m.get(0,1);
        a13 = m.get(0,2);
        a14 = m.get(0,3);
        a15 = m.get(0,4);
        a21 = m.get(1,0);
        a22 = m.get(1,1);
        a23 = m.get(1,2);
        a24 = m.get(1,3);
        a25 = m.get(1,4);
        a31 = m.get(2,0);
        a32 = m.get(2,1);
        a33 = m.get(2,2);
        a34 = m.get(2,3);
        a35 = m.get(2,4);
        a41 = m.get(3,0);
        a42 = m.get(3,1);
        a43 = m.get(3,2);
        a44 = m.get(3,3);
        a45 = m.get(3,4);
        a51 = m.get(4,0);
        a52 = m.get(4,1);
        a53 = m.get(4,2);
        a54 = m.get(4,3);
        a55 = m.get(4,4);
    }

    @Override
    public int getNumRows() {
        return 5;
    }

    @Override
    public int getNumCols() {
        return 5;
    }

    @Override
    public int getNumElements() {
        return 25;
    }

    @Override
    public <T extends Matrix> T copy() {
        return (T)new FixedMatrix5x5_64F(this);
    }

    @Override
    public void print() {
        MatrixIO.print(System.out, this);
    }
}

