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eq moved to interface

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This commit is contained in:
Roland Grinis 2021-03-24 18:39:40 +00:00
parent f70f60c0e8
commit 94b5afa6c4
2 changed files with 7 additions and 1 deletions
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4
kmath-core/src/commonMain/kotlin/space/kscience/kmath/tensors/TensorAlgebra.kt
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@ -1,5 +1,7 @@
package space.kscience.kmath.tensors package space.kscience.kmath.tensors
import space.kscience.kmath.tensors.core.DoubleTensor
// https://proofwiki.org/wiki/Definition:Algebra_over_Ring // https://proofwiki.org/wiki/Definition:Algebra_over_Ring
public interface TensorAlgebra<T, TensorType : TensorStructure<T>> { public interface TensorAlgebra<T, TensorType : TensorStructure<T>> {
@ -52,6 +54,8 @@ public interface TensorAlgebra<T, TensorType : TensorStructure<T>> {
public fun TensorType.view(shape: IntArray): TensorType public fun TensorType.view(shape: IntArray): TensorType
public fun TensorType.viewAs(other: TensorType): TensorType public fun TensorType.viewAs(other: TensorType): TensorType
public fun TensorType.eq(other: TensorType, delta: T): Boolean
//https://pytorch.org/docs/stable/generated/torch.abs.html //https://pytorch.org/docs/stable/generated/torch.abs.html
public fun TensorType.abs(): TensorType public fun TensorType.abs(): TensorType

4
kmath-core/src/commonMain/kotlin/space/kscience/kmath/tensors/core/DoubleTensorAlgebra.kt
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@ -344,10 +344,12 @@ public open class DoubleTensorAlgebra : TensorPartialDivisionAlgebra<Double, Dou
return this.contentEquals(other) { x, y -> abs(x - y) < delta } return this.contentEquals(other) { x, y -> abs(x - y) < delta }
} }
public fun DoubleTensor.eq(other: DoubleTensor, delta: Double = 1e-5): Boolean { override fun DoubleTensor.eq(other: DoubleTensor, delta: Double): Boolean {
return this.eq(other) { x, y -> abs(x - y) < delta } return this.eq(other) { x, y -> abs(x - y) < delta }
} }
public fun DoubleTensor.eq(other: DoubleTensor): Boolean = this.eq(other, 1e-5)
public fun DoubleTensor.contentEquals(other: DoubleTensor, eqFunction: (Double, Double) -> Boolean): Boolean { public fun DoubleTensor.contentEquals(other: DoubleTensor, eqFunction: (Double, Double) -> Boolean): Boolean {
if (!(this.shape contentEquals other.shape)) { if (!(this.shape contentEquals other.shape)) {
return false return false