teldufalsari/kmath
2
0
Fork 0
forked from kscience/kmath
Code Pull Requests 1 Activity

SymEig test

Browse Source
This commit is contained in:
Roland Grinis 2021-04-06 11:41:41 +01:00
parent dcdc22dd9d
commit 2bbe10e41c
1 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
kmath-tensors/src/commonTest/kotlin/space/kscience/kmath/tensors/core/TestDoubleLinearOpsAlgebra.kt
View File

@ -1,6 +1,7 @@
package space.kscience.kmath.tensors.core package space.kscience.kmath.tensors.core
import kotlin.math.abs import kotlin.math.abs
import kotlin.test.Ignore
import kotlin.test.Test import kotlin.test.Test
import kotlin.test.assertEquals import kotlin.test.assertEquals
import kotlin.test.assertTrue import kotlin.test.assertTrue
@ -125,12 +126,21 @@ class TestDoubleLinearOpsTensorAlgebra {
testSVDFor(fromArray(intArrayOf(2, 2), doubleArrayOf(-1.0, 0.0, 239.0, 238.0))) testSVDFor(fromArray(intArrayOf(2, 2), doubleArrayOf(-1.0, 0.0, 239.0, 238.0)))
} }
@Test @Test @Ignore
fun testBatchedSVD() = DoubleLinearOpsTensorAlgebra { fun testBatchedSVD() = DoubleLinearOpsTensorAlgebra {
val tensor = randNormal(intArrayOf(7, 5, 3), 0) val tensor = randNormal(intArrayOf(7, 5, 3), 0)
val (tensorU, tensorS, tensorV) = tensor.svd() val (tensorU, tensorS, tensorV) = tensor.svd()
val tensorSVD = tensorU dot (diagonalEmbedding(tensorS,0,1,2) dot tensorV) val tensorSVD = tensorU dot (diagonalEmbedding(tensorS,0,1,2) dot tensorV)
println(tensor.eq(tensorSVD)) assertTrue(tensor.eq(tensorSVD))
}
@Test @Ignore
fun testBatchedSymEig() = DoubleLinearOpsTensorAlgebra {
val tensor = randNormal(shape = intArrayOf(5, 2, 2), 0)
val tensorSigma = tensor + tensor.transpose(1, 2)
val (tensorS, tensorV) = tensorSigma.symEig()
val tensorSigmaCalc = tensorV dot (diagonalEmbedding(tensorS, 0,1,2) dot tensorV.transpose(1, 2))
assertTrue(tensorSigma.eq(tensorSigmaCalc))
} }