kscience/kmath
9
0
Fork 1
Code Issues Pull Requests 6 Packages Projects Releases 16 Wiki Activity

v0.3.0-dev-9 #324

Merged
altavir merged 265 commits from dev into master 2021-05-08 17:16:29 +03:00
Conversation 0 Commits 265 Files Changed 182 +7 -4
2 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files
Showing only changes of commit 287e2aeba2 - Show all commits

1
kmath-tensors/src/commonMain/kotlin/space/kscience/kmath/tensors/api/TensorPartialDivisionAlgebra.kt
View File

@ -8,6 +8,7 @@ package space.kscience.kmath.tensors.api
// https://proofwiki.org/wiki/Definition:Division_Algebra
public interface TensorPartialDivisionAlgebra<T> :
TensorAlgebra<T> {
public operator fun T.div(other: TensorStructure<T>): TensorStructure<T>
public operator fun TensorStructure<T>.div(value: T): TensorStructure<T>
public operator fun TensorStructure<T>.div(other: TensorStructure<T>): TensorStructure<T>
public operator fun TensorStructure<T>.divAssign(value: T)

10
kmath-tensors/src/commonMain/kotlin/space/kscience/kmath/tensors/core/algebras/DoubleTensorAlgebra.kt
View File

@ -178,13 +178,15 @@ public open class DoubleTensorAlgebra : TensorPartialDivisionAlgebra<Double> {
}
}
override fun TensorStructure<Double>.div(value: Double): DoubleTensor {
val resBuffer = DoubleArray(tensor.numElements) { i ->
tensor.buffer.array()[tensor.bufferStart + i] / value
override fun Double.div(other: TensorStructure<Double>): DoubleTensor {
val resBuffer = DoubleArray(other.tensor.numElements) { i ->
other.tensor.buffer.array()[other.tensor.bufferStart + i] / this
}
return DoubleTensor(tensor.shape, resBuffer)
return DoubleTensor(other.shape, resBuffer)
}
override fun TensorStructure<Double>.div(value: Double): DoubleTensor = value / tensor
override fun TensorStructure<Double>.div(other: TensorStructure<Double>): DoubleTensor {
checkShapesCompatible(tensor, other)
val resBuffer = DoubleArray(tensor.numElements) { i ->