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Dev #280

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altavir merged 99 commits from dev into master 2021-04-16 19:45:55 +03:00
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kmath-stat/src/jvmTest/kotlin/space/kscience/kmath/stat/CommonsDistributionsTest.kt
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package space.kscience.kmath.stat package space.kscience.kmath.stat
import kotlinx.coroutines.flow.take
import kotlinx.coroutines.flow.toList
import kotlinx.coroutines.runBlocking import kotlinx.coroutines.runBlocking
import org.junit.jupiter.api.Assertions import org.junit.jupiter.api.Assertions
import org.junit.jupiter.api.Test import org.junit.jupiter.api.Test
import space.kscience.kmath.samplers.GaussianSampler import space.kscience.kmath.samplers.GaussianSampler
import space.kscience.kmath.structures.asBuffer
internal class CommonsDistributionsTest { internal class CommonsDistributionsTest {
@Test @Test
fun testNormalDistributionSuspend() = runBlocking { fun testNormalDistributionSuspend() = runBlocking {
val distribution = GaussianSampler(7.0, 2.0) val distribution = GaussianSampler(7.0, 2.0)
val generator = RandomGenerator.default(1) val generator = RandomGenerator.default(1)
val sample = distribution.sample(generator).take(1000).toList().toDoubleArray().asBuffer() val sample = distribution.sample(generator).nextBuffer(1000)
Assertions.assertEquals(7.0, Mean.double(sample), 0.2) Assertions.assertEquals(7.0, Mean.double(sample), 0.2)
} }
@Test @Test
fun testNormalDistributionBlocking() { fun testNormalDistributionBlocking() {
val distribution = GaussianSampler(7.0, 2.0) val distribution = GaussianSampler(7.0, 2.0)
val generator = RandomGenerator.default(1) val generator = RandomGenerator.default(1)
val sample = distribution.sample(generator).nextBufferBlocking(1000) val sample = distribution.sample(generator).nextBufferBlocking(1000)