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Drop koma module, implement kmath-ejml module copying it, but for EJML SimpleMatrix #136

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CommanderTvis merged 24 commits from ejml into dev 2020-10-01 21:30:40 +03:00
Conversation 0 Commits 24 Files Changed 13 +2 -4
1 changed files with 2 additions and 4 deletions
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kmath-ejml/src/main/kotlin/scientifik/kmath/ejml/EjmlMatrix.kt
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@ -24,12 +24,10 @@ class EjmlMatrix(val origin: SimpleMatrix, features: Set<MatrixFeature>? = null)
get() = intArrayOf(origin.numRows(), origin.numCols())
override val features: Set<MatrixFeature> = hashSetOf(
object : DeterminantFeature<Double> {
object : LUPDecompositionFeature<Double>, DeterminantFeature<Double> {
override val determinant: Double
get() = origin.determinant()
},
object : LUPDecompositionFeature<Double> {
private val lup by lazy {
val ludecompositionF64 = DecompositionFactory_DDRM.lu(origin.numRows(), origin.numCols())
.also { it.decompose(origin.ddrm.copy()) }
@ -50,7 +48,7 @@ class EjmlMatrix(val origin: SimpleMatrix, features: Set<MatrixFeature>? = null)
override val p: FeaturedMatrix<Double>
get() = lup.first
}
).addAll(features)
).addAll(features.orEmpty())
override fun suggestFeature(vararg features: MatrixFeature): FeaturedMatrix<Double> =
EjmlMatrix(origin, this.features + features)