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Add strided matrix dot test to check #82

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This commit is contained in:
Alexander Nozik 2020-04-03 19:01:58 +03:00
parent e00a66ca42
commit 0e898ee1ea
1 changed files with 18 additions and 0 deletions
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18
kmath-core/src/commonTest/kotlin/scientifik/kmath/linear/MatrixTest.kt
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@ -1,6 +1,8 @@
package scientifik.kmath.linear package scientifik.kmath.linear
import scientifik.kmath.structures.Matrix import scientifik.kmath.structures.Matrix
import scientifik.kmath.structures.NDStructure
import scientifik.kmath.structures.as2D
import kotlin.test.Test import kotlin.test.Test
import kotlin.test.assertEquals import kotlin.test.assertEquals
@ -44,4 +46,20 @@ class MatrixTest {
val toTenthPower = transitionMatrix pow 10 val toTenthPower = transitionMatrix pow 10
} }
@Test
fun test2DDot() {
val firstMatrix = NDStructure.auto(2,3){ (i, j) -> (i + j).toDouble() }.as2D()
val secondMatrix = NDStructure.auto(3,2){ (i, j) -> (i + j).toDouble() }.as2D()
MatrixContext.real.run {
// val firstMatrix = produce(2, 3) { i, j -> (i + j).toDouble() }
// val secondMatrix = produce(3, 2) { i, j -> (i + j).toDouble() }
val result = firstMatrix dot secondMatrix
assertEquals(2, result.rowNum)
assertEquals(2, result.colNum)
assertEquals(8.0, result[0,1])
assertEquals(8.0, result[1,0])
assertEquals(14.0, result[1,1])
}
}
} }