Examples with Householder org.ojalgo.matrix.transformation.Householder used on opensource projects

Example 6 with Householder

use of org.ojalgo.matrix.transformation.Householder in project ojAlgo by optimatika.

the class PrimitiveDenseStore method transformRight.

public void transformRight(final Householder<Double> transformation, final int firstRow) {
    final Householder.Primitive tmpTransf = PrimitiveDenseStore.cast(transformation);
    final double[] tmpData = data;
    final int tmpRowDim = myRowDim;
    final int tmpColDim = myColDim;
    final double[] tmpWorker = this.getWorkerColumn();
    if ((tmpRowDim - firstRow) > HouseholderRight.THRESHOLD) {
        final DivideAndConquer tmpConquerer = new DivideAndConquer() {

            @Override
            public void conquer(final int first, final int limit) {
                HouseholderRight.invoke(tmpData, tmpRowDim, first, limit, tmpColDim, tmpTransf, tmpWorker);
            }
        };
        tmpConquerer.invoke(firstRow, tmpRowDim, HouseholderRight.THRESHOLD);
    } else {
        HouseholderRight.invoke(tmpData, tmpRowDim, firstRow, tmpRowDim, tmpColDim, tmpTransf, tmpWorker);
    }
}

Example 7 with Householder

use of org.ojalgo.matrix.transformation.Householder in project ojAlgo by optimatika.

the class GenericDenseStore method transformLeft.

public void transformLeft(final Householder<N> transformation, final int firstColumn) {
    final Householder.Generic<N> tmpTransf = this.cast(transformation);
    final N[] tmpData = data;
    final int tmpRowDim = myRowDim;
    final int tmpColDim = myColDim;
    if ((tmpColDim - firstColumn) > HouseholderLeft.THRESHOLD) {
        final DivideAndConquer tmpConquerer = new DivideAndConquer() {

            @Override
            public void conquer(final int aFirst, final int aLimit) {
                HouseholderLeft.invoke(tmpData, tmpRowDim, aFirst, aLimit, tmpTransf, myFactory.scalar());
            }
        };
        tmpConquerer.invoke(firstColumn, tmpColDim, HouseholderLeft.THRESHOLD);
    } else {
        HouseholderLeft.invoke(tmpData, tmpRowDim, firstColumn, tmpColDim, tmpTransf, myFactory.scalar());
    }
}

Example 8 with Householder

use of org.ojalgo.matrix.transformation.Householder in project ojAlgo by optimatika.

the class GenericDenseStore method transformRight.

public void transformRight(final Householder<N> transformation, final int firstRow) {
    final Householder.Generic<N> tmpTransf = this.cast(transformation);
    final N[] tmpData = data;
    final int tmpRowDim = myRowDim;
    final int tmpColDim = myColDim;
    if ((tmpRowDim - firstRow) > HouseholderRight.THRESHOLD) {
        final DivideAndConquer tmpConquerer = new DivideAndConquer() {

            @Override
            public void conquer(final int aFirst, final int aLimit) {
                HouseholderRight.invoke(tmpData, aFirst, aLimit, tmpColDim, tmpTransf, myFactory.scalar());
            }
        };
        tmpConquerer.invoke(firstRow, tmpRowDim, HouseholderRight.THRESHOLD);
    } else {
        HouseholderRight.invoke(tmpData, firstRow, tmpRowDim, tmpColDim, tmpTransf, myFactory.scalar());
    }
}