Dev #194
@ -1,5 +1,5 @@
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plugins {
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id("scientifik.jvm")
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id("ru.mipt.npm.jvm")
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}
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dependencies {
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package scientifik.kmath.ejml
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package kscience.kmath.ejml
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import org.ejml.dense.row.factory.DecompositionFactory_DDRM
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import org.ejml.simple.SimpleMatrix
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import scientifik.kmath.linear.DeterminantFeature
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import scientifik.kmath.linear.FeaturedMatrix
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import scientifik.kmath.linear.LUPDecompositionFeature
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import scientifik.kmath.linear.MatrixFeature
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import scientifik.kmath.structures.NDStructure
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import kscience.kmath.linear.DeterminantFeature
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import kscience.kmath.linear.FeaturedMatrix
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import kscience.kmath.linear.LUPDecompositionFeature
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import kscience.kmath.linear.MatrixFeature
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import kscience.kmath.structures.NDStructure
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/**
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* Represents featured matrix over EJML [SimpleMatrix].
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*
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* @property origin the underlying [SimpleMatrix].
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*/
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class EjmlMatrix(val origin: SimpleMatrix, features: Set<MatrixFeature>? = null) : FeaturedMatrix<Double> {
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override val rowNum: Int
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public class EjmlMatrix(public val origin: SimpleMatrix, features: Set<MatrixFeature>? = null) : FeaturedMatrix<Double> {
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public override val rowNum: Int
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get() = origin.numRows()
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override val colNum: Int
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public override val colNum: Int
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get() = origin.numCols()
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override val shape: IntArray
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public override val shape: IntArray
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get() = intArrayOf(origin.numRows(), origin.numCols())
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override val features: Set<MatrixFeature> = setOf(
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public override val features: Set<MatrixFeature> = setOf(
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object : LUPDecompositionFeature<Double>, DeterminantFeature<Double> {
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override val determinant: Double
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get() = origin.determinant()
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@ -50,21 +50,21 @@ class EjmlMatrix(val origin: SimpleMatrix, features: Set<MatrixFeature>? = null)
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}
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) union features.orEmpty()
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override fun suggestFeature(vararg features: MatrixFeature): FeaturedMatrix<Double> =
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public override fun suggestFeature(vararg features: MatrixFeature): FeaturedMatrix<Double> =
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EjmlMatrix(origin, this.features + features)
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override operator fun get(i: Int, j: Int): Double = origin[i, j]
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public override operator fun get(i: Int, j: Int): Double = origin[i, j]
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override fun equals(other: Any?): Boolean {
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public override fun equals(other: Any?): Boolean {
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if (other is EjmlMatrix) return origin.isIdentical(other.origin, 0.0)
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return NDStructure.equals(this, other as? NDStructure<*> ?: return false)
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}
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override fun hashCode(): Int {
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public override fun hashCode(): Int {
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var result = origin.hashCode()
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result = 31 * result + features.hashCode()
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return result
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}
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override fun toString(): String = "EjmlMatrix(origin=$origin, features=$features)"
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public override fun toString(): String = "EjmlMatrix(origin=$origin, features=$features)"
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}
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@ -1,26 +1,26 @@
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package scientifik.kmath.ejml
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package kscience.kmath.ejml
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import org.ejml.simple.SimpleMatrix
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import scientifik.kmath.linear.MatrixContext
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import scientifik.kmath.linear.Point
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import scientifik.kmath.operations.Space
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import scientifik.kmath.operations.invoke
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import scientifik.kmath.structures.Matrix
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import kscience.kmath.linear.MatrixContext
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import kscience.kmath.linear.Point
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import kscience.kmath.operations.Space
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import kscience.kmath.operations.invoke
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import kscience.kmath.structures.Matrix
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/**
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* Represents context of basic operations operating with [EjmlMatrix].
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*/
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class EjmlMatrixContext(private val space: Space<Double>) : MatrixContext<Double> {
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public class EjmlMatrixContext(private val space: Space<Double>) : MatrixContext<Double> {
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/**
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* Converts this matrix to EJML one.
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*/
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fun Matrix<Double>.toEjml(): EjmlMatrix =
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public fun Matrix<Double>.toEjml(): EjmlMatrix =
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if (this is EjmlMatrix) this else produce(rowNum, colNum) { i, j -> get(i, j) }
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/**
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* Converts this vector to EJML one.
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*/
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fun Point<Double>.toEjml(): EjmlVector =
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public fun Point<Double>.toEjml(): EjmlVector =
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if (this is EjmlVector) this else EjmlVector(SimpleMatrix(size, 1).also {
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(0 until it.numRows()).forEach { row -> it[row, 0] = get(row) }
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})
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@ -49,7 +49,7 @@ class EjmlMatrixContext(private val space: Space<Double>) : MatrixContext<Double
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override operator fun Matrix<Double>.times(value: Double): EjmlMatrix = EjmlMatrix(toEjml().origin.scale(value))
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companion object
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public companion object
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}
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/**
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@ -59,7 +59,7 @@ class EjmlMatrixContext(private val space: Space<Double>) : MatrixContext<Double
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* @param b n by p matrix.
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* @return the solution for 'x' that is n by p.
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*/
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fun EjmlMatrixContext.solve(a: Matrix<Double>, b: Matrix<Double>): EjmlMatrix =
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public fun EjmlMatrixContext.solve(a: Matrix<Double>, b: Matrix<Double>): EjmlMatrix =
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EjmlMatrix(a.toEjml().origin.solve(b.toEjml().origin))
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/**
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* @param b n by p vector.
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* @return the solution for 'x' that is n by p.
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*/
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fun EjmlMatrixContext.solve(a: Matrix<Double>, b: Point<Double>): EjmlVector =
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public fun EjmlMatrixContext.solve(a: Matrix<Double>, b: Point<Double>): EjmlVector =
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EjmlVector(a.toEjml().origin.solve(b.toEjml().origin))
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/**
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* @param a the matrix.
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* @return the inverse of this matrix.
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*/
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fun EjmlMatrixContext.inverse(a: Matrix<Double>): EjmlMatrix = EjmlMatrix(a.toEjml().origin.invert())
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public fun EjmlMatrixContext.inverse(a: Matrix<Double>): EjmlMatrix = EjmlMatrix(a.toEjml().origin.invert())
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package scientifik.kmath.ejml
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package kscience.kmath.ejml
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import org.ejml.simple.SimpleMatrix
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import scientifik.kmath.linear.Point
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import scientifik.kmath.structures.Buffer
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import kscience.kmath.linear.Point
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import kscience.kmath.structures.Buffer
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/**
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* Represents point over EJML [SimpleMatrix].
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Loading…
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Block a user