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Fix demo for distributions

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This commit is contained in:
Alexander Nozik 2020-05-22 21:28:14 +03:00
parent 048a1ceaed
commit 3f68c0c34e
2 changed files with 3 additions and 1 deletions
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1
examples/build.gradle.kts
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@ -27,6 +27,7 @@ dependencies {
implementation(project(":kmath-core")) implementation(project(":kmath-core"))
implementation(project(":kmath-coroutines")) implementation(project(":kmath-coroutines"))
implementation(project(":kmath-commons")) implementation(project(":kmath-commons"))
implementation(project(":kmath-prob"))
implementation(project(":kmath-koma")) implementation(project(":kmath-koma"))
implementation(project(":kmath-viktor")) implementation(project(":kmath-viktor"))
implementation(project(":kmath-dimensions")) implementation(project(":kmath-dimensions"))

3
examples/src/main/kotlin/scientifik/kmath/commons/prob/DistributionDemo.kt
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@ -5,10 +5,11 @@ import scientifik.kmath.chains.Chain
import scientifik.kmath.chains.collectWithState import scientifik.kmath.chains.collectWithState
import scientifik.kmath.prob.Distribution import scientifik.kmath.prob.Distribution
import scientifik.kmath.prob.RandomGenerator import scientifik.kmath.prob.RandomGenerator
import scientifik.kmath.prob.normal
data class AveragingChainState(var num: Int = 0, var value: Double = 0.0) data class AveragingChainState(var num: Int = 0, var value: Double = 0.0)
fun Chain<Double>.mean(): Chain<Double> = collectWithState(AveragingChainState(),{it.copy()}){ chain-> fun Chain<Double>.mean(): Chain<Double> = collectWithState(AveragingChainState(), { it.copy() }) { chain ->
val next = chain.next() val next = chain.next()
num++ num++
value += next value += next