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SymEig test

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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
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14
kmath-tensors/src/commonTest/kotlin/space/kscience/kmath/tensors/core/TestDoubleLinearOpsAlgebra.kt
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@ -1,6 +1,7 @@
package space.kscience.kmath.tensors.core
import kotlin.math.abs
import kotlin.test.Ignore
import kotlin.test.Test
import kotlin.test.assertEquals
import kotlin.test.assertTrue
@ -125,12 +126,21 @@ class TestDoubleLinearOpsTensorAlgebra {
testSVDFor(fromArray(intArrayOf(2, 2), doubleArrayOf(-1.0, 0.0, 239.0, 238.0)))
}
@Test
@Test @Ignore
fun testBatchedSVD() = DoubleLinearOpsTensorAlgebra {
val tensor = randNormal(intArrayOf(7, 5, 3), 0)
val (tensorU, tensorS, tensorV) = tensor.svd()
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))
}