forked from kscience/kmath
Fix failing test
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13
kmath-gsl/src/nativeTest/kotlin/GslMatrixTest.kt
Normal file
13
kmath-gsl/src/nativeTest/kotlin/GslMatrixTest.kt
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@ -0,0 +1,13 @@
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package kscience.kmath.gsl
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import kotlin.test.Test
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import kotlin.test.assertEquals
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internal class GslMatrixTest {
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@Test
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fun dimensions() = GslRealMatrixContext {
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val mat = produce(42, 24) { _, _ -> 0.0 }
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assertEquals(42, mat.rowNum)
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assertEquals(24, mat.colNum)
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}
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}
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@ -2,7 +2,11 @@ package kscience.kmath.gsl
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import kscience.kmath.linear.RealMatrixContext
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import kscience.kmath.linear.RealMatrixContext
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import kscience.kmath.operations.invoke
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import kscience.kmath.operations.invoke
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import kscience.kmath.structures.*
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import kscience.kmath.structures.Matrix
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import kscience.kmath.structures.NDStructure
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import kscience.kmath.structures.RealBuffer
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import kscience.kmath.structures.asSequence
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import kotlin.random.Random
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import kotlin.test.Test
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import kotlin.test.Test
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import kotlin.test.assertEquals
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import kotlin.test.assertEquals
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import kotlin.test.assertTrue
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import kotlin.test.assertTrue
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@ -33,39 +37,23 @@ internal class RealTest {
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val mb = produce(2, 2) { _, _ -> 100.0 }
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val mb = produce(2, 2) { _, _ -> 100.0 }
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val res1: Matrix<Double> = ma dot mb
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val res1: Matrix<Double> = ma dot mb
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val res2: Matrix<Double> = RealMatrixContext { ma dot mb }
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val res2: Matrix<Double> = RealMatrixContext { ma dot mb }
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println(res1.rows.asIterable().map { it.asSequence() }.flatMap(Sequence<*>::toList))
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println(res2.rows.asIterable().map { it.asSequence() }.flatMap(Sequence<*>::toList))
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assertEquals(res1, res2)
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assertEquals(res1, res2)
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}
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}
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@Test
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@Test
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fun testManyCalls() {
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fun testManyCalls() = GslRealMatrixContext {
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val r1 = GslRealMatrixContext {
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val expected = RealMatrixContext {
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var prod = produce(20, 20) { _, _ -> 100.0 }
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val rng = Random(0)
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val mult = produce(20, 20) { _, _ -> 3.0 }
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var prod = produce(20, 20) { _, _ -> rng.nextDouble() }
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val mult = produce(20, 20) { _, _ -> rng.nextDouble() }
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measureTime {
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measureTime { repeat(100) { prod = prod dot mult } }.also(::println)
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repeat(100) {
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prod = prod dot mult
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}
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}.also(::println)
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prod
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prod
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}
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}
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val r2 = RealMatrixContext {
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val rng = Random(0)
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var prod = produce(20, 20) { _, _ -> 100.0 }
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var prod = produce(20, 20) { _, _ -> rng.nextDouble() }
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val mult = produce(20, 20) { _, _ -> 3.0 }
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val mult = produce(20, 20) { _, _ -> rng.nextDouble() }
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measureTime { repeat(100) { prod = prod dot mult } }.also(::println)
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measureTime {
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assertTrue(NDStructure.equals(expected, prod))
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repeat(100) {
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prod = prod dot mult
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}
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}.also(::println)
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prod
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}
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assertTrue(NDStructure.equals(r1, r2))
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}
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}
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}
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}
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