Basic tasks for Alya and Andrei
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@ -1,6 +1,5 @@
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package space.kscience.kmath.tensors
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import space.kscience.kmath.linear.LupDecompositionFeature
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import space.kscience.kmath.nd.MutableNDBuffer
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import space.kscience.kmath.structures.RealBuffer
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import space.kscience.kmath.structures.array
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@ -15,6 +14,9 @@ public class RealTensor(
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TensorStrides(shape),
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RealBuffer(buffer)
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) {
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/*
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* TODO: Andrei remove item()
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*/
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override fun item(): Double {
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check(buffer.size > 0) { "The tensor is empty" }
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return buffer[0]
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@ -24,6 +26,10 @@ public class RealTensor(
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public class RealTensorAlgebra : TensorPartialDivisionAlgebra<Double, RealTensor> {
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override fun RealTensor.value(): Double {
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TODO("Andrei")
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}
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override fun Double.plus(other: RealTensor): RealTensor {
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val n = other.buffer.size
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val arr = other.buffer.array
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@ -34,95 +40,95 @@ public class RealTensorAlgebra : TensorPartialDivisionAlgebra<Double, RealTensor
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}
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override fun RealTensor.plus(value: Double): RealTensor {
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TODO("Not yet implemented")
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TODO("Andrei")
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}
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override fun RealTensor.plus(other: RealTensor): RealTensor {
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TODO("Not yet implemented")
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TODO("Andrei")
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}
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override fun RealTensor.plusAssign(value: Double) {
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TODO("Not yet implemented")
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TODO("Andrei")
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}
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override fun RealTensor.plusAssign(other: RealTensor) {
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TODO("Not yet implemented")
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TODO("Andrei")
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}
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override fun Double.minus(other: RealTensor): RealTensor {
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TODO("Not yet implemented")
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TODO("Alya")
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}
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override fun RealTensor.minus(value: Double): RealTensor {
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TODO("Not yet implemented")
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TODO("Alya")
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}
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override fun RealTensor.minus(other: RealTensor): RealTensor {
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TODO("Not yet implemented")
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TODO("Alya")
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}
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override fun RealTensor.minusAssign(value: Double) {
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TODO("Not yet implemented")
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TODO("Alya")
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}
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override fun RealTensor.minusAssign(other: RealTensor) {
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TODO("Not yet implemented")
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TODO("Alya")
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}
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override fun Double.times(other: RealTensor): RealTensor {
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TODO("Not yet implemented")
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TODO("Andrei")
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}
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override fun RealTensor.times(value: Double): RealTensor {
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TODO("Not yet implemented")
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TODO("Andrei")
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}
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override fun RealTensor.times(other: RealTensor): RealTensor {
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TODO("Not yet implemented")
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TODO("Andrei")
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}
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override fun RealTensor.timesAssign(value: Double) {
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TODO("Not yet implemented")
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TODO("Andrei")
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}
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override fun RealTensor.timesAssign(other: RealTensor) {
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TODO("Not yet implemented")
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TODO("Andrei")
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}
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override fun RealTensor.unaryMinus(): RealTensor {
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TODO("Not yet implemented")
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TODO("Andrei")
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}
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override fun RealTensor.dot(other: RealTensor): RealTensor {
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TODO("Not yet implemented")
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TODO("Alya")
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}
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override fun RealTensor.dotAssign(other: RealTensor) {
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TODO("Not yet implemented")
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TODO("Alya")
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}
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override fun RealTensor.dotRightAssign(other: RealTensor) {
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TODO("Not yet implemented")
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TODO("Alya")
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}
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override fun diagonalEmbedding(diagonalEntries: RealTensor, offset: Int, dim1: Int, dim2: Int): RealTensor {
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TODO("Not yet implemented")
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TODO("Alya")
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}
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override fun RealTensor.transpose(i: Int, j: Int): RealTensor {
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TODO("Not yet implemented")
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TODO("Alya")
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}
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override fun RealTensor.transposeAssign(i: Int, j: Int) {
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TODO("Not yet implemented")
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TODO("Alya")
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}
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override fun RealTensor.view(shape: IntArray): RealTensor {
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TODO("Not yet implemented")
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TODO("Andrei")
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}
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override fun RealTensor.view_as(other: RealTensor): RealTensor {
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TODO("Not yet implemented")
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TODO("Andrei")
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}
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override fun RealTensor.abs(): RealTensor {
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@ -174,6 +180,10 @@ public class RealTensorAlgebra : TensorPartialDivisionAlgebra<Double, RealTensor
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TODO("Not yet implemented")
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}
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override fun lu_unpack(A_LU: RealTensor, pivots: RealTensor): Triple<RealTensor, RealTensor, RealTensor> {
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TODO("Not yet implemented")
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}
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override fun RealTensor.svd(): Triple<RealTensor, RealTensor, RealTensor> {
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/**
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* Main first task for @AlyaNovikova
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@ -1,7 +1,9 @@
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package space.kscience.kmath.tensors
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// https://proofwiki.org/wiki/Definition:Algebra_over_Ring
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public interface TensorAlgebra<T, TensorType : TensorStructure<T>>{
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public interface TensorAlgebra<T, TensorType : TensorStructure<T>> {
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public fun TensorType.value(): T
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public operator fun T.plus(other: TensorType): TensorType
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public operator fun TensorType.plus(value: T): TensorType
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@ -69,6 +71,9 @@ public interface TensorPartialDivisionAlgebra<T, TensorType : TensorStructure<T>
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//https://pytorch.org/docs/stable/generated/torch.lu.html
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public fun TensorType.lu(): Pair<TensorType, TensorType>
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//https://pytorch.org/docs/stable/generated/torch.lu_unpack.html
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public fun lu_unpack(A_LU: TensorType, pivots: TensorType): Triple<TensorType, TensorType, TensorType>
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//https://pytorch.org/docs/stable/generated/torch.svd.html
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public fun TensorType.svd(): Triple<TensorType, TensorType, TensorType>
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@ -3,6 +3,10 @@ package space.kscience.kmath.tensors
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import space.kscience.kmath.nd.MutableNDStructure
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public interface TensorStructure<T> : MutableNDStructure<T> {
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/*
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* TODO: Andrei remove item() and value()
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*/
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public fun item(): T
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// A tensor can have empty shape, in which case it represents just a value
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