mirror of
https://github.com/Pinball3D/Rabbit-R1.git
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134 lines
4.9 KiB
Java
134 lines
4.9 KiB
Java
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package com.google.common.math;
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import com.google.common.base.MoreObjects;
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import com.google.common.base.Objects;
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import com.google.common.base.Preconditions;
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import java.io.Serializable;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import javax.annotation.CheckForNull;
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import tech.rabbit.r1launcher.BuildConfig;
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@ElementTypesAreNonnullByDefault
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/* loaded from: classes3.dex */
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public final class PairedStats implements Serializable {
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private static final int BYTES = 88;
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private static final long serialVersionUID = 0;
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private final double sumOfProductsOfDeltas;
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private final Stats xStats;
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private final Stats yStats;
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private static double ensureInUnitRange(double d) {
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if (d >= 1.0d) {
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return 1.0d;
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}
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if (d <= -1.0d) {
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return -1.0d;
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}
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return d;
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}
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private static double ensurePositive(double d) {
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if (d > BuildConfig.SENTRY_SAMPLE_RATE) {
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return d;
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}
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return Double.MIN_VALUE;
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public double sumOfProductsOfDeltas() {
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return this.sumOfProductsOfDeltas;
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}
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public Stats xStats() {
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return this.xStats;
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}
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public Stats yStats() {
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return this.yStats;
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public PairedStats(Stats stats, Stats stats2, double d) {
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this.xStats = stats;
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this.yStats = stats2;
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this.sumOfProductsOfDeltas = d;
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}
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public long count() {
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return this.xStats.count();
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}
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public double populationCovariance() {
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Preconditions.checkState(count() != 0);
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return this.sumOfProductsOfDeltas / count();
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}
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public double sampleCovariance() {
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Preconditions.checkState(count() > 1);
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return this.sumOfProductsOfDeltas / (count() - 1);
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}
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public double pearsonsCorrelationCoefficient() {
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Preconditions.checkState(count() > 1);
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if (Double.isNaN(this.sumOfProductsOfDeltas)) {
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return Double.NaN;
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}
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double sumOfSquaresOfDeltas = xStats().sumOfSquaresOfDeltas();
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double sumOfSquaresOfDeltas2 = yStats().sumOfSquaresOfDeltas();
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Preconditions.checkState(sumOfSquaresOfDeltas > BuildConfig.SENTRY_SAMPLE_RATE);
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Preconditions.checkState(sumOfSquaresOfDeltas2 > BuildConfig.SENTRY_SAMPLE_RATE);
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return ensureInUnitRange(this.sumOfProductsOfDeltas / Math.sqrt(ensurePositive(sumOfSquaresOfDeltas * sumOfSquaresOfDeltas2)));
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}
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public LinearTransformation leastSquaresFit() {
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Preconditions.checkState(count() > 1);
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if (Double.isNaN(this.sumOfProductsOfDeltas)) {
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return LinearTransformation.forNaN();
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}
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double sumOfSquaresOfDeltas = this.xStats.sumOfSquaresOfDeltas();
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if (sumOfSquaresOfDeltas <= BuildConfig.SENTRY_SAMPLE_RATE) {
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Preconditions.checkState(this.yStats.sumOfSquaresOfDeltas() > BuildConfig.SENTRY_SAMPLE_RATE);
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return LinearTransformation.vertical(this.xStats.mean());
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}
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if (this.yStats.sumOfSquaresOfDeltas() > BuildConfig.SENTRY_SAMPLE_RATE) {
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return LinearTransformation.mapping(this.xStats.mean(), this.yStats.mean()).withSlope(this.sumOfProductsOfDeltas / sumOfSquaresOfDeltas);
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}
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return LinearTransformation.horizontal(this.yStats.mean());
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}
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public boolean equals(@CheckForNull Object obj) {
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if (obj == null || getClass() != obj.getClass()) {
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return false;
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}
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PairedStats pairedStats = (PairedStats) obj;
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return this.xStats.equals(pairedStats.xStats) && this.yStats.equals(pairedStats.yStats) && Double.doubleToLongBits(this.sumOfProductsOfDeltas) == Double.doubleToLongBits(pairedStats.sumOfProductsOfDeltas);
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}
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public int hashCode() {
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return Objects.hashCode(this.xStats, this.yStats, Double.valueOf(this.sumOfProductsOfDeltas));
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}
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public String toString() {
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if (count() > 0) {
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return MoreObjects.toStringHelper(this).add("xStats", this.xStats).add("yStats", this.yStats).add("populationCovariance", populationCovariance()).toString();
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}
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return MoreObjects.toStringHelper(this).add("xStats", this.xStats).add("yStats", this.yStats).toString();
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}
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public byte[] toByteArray() {
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ByteBuffer order = ByteBuffer.allocate(BYTES).order(ByteOrder.LITTLE_ENDIAN);
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this.xStats.writeTo(order);
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this.yStats.writeTo(order);
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order.putDouble(this.sumOfProductsOfDeltas);
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return order.array();
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}
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public static PairedStats fromByteArray(byte[] bArr) {
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Preconditions.checkNotNull(bArr);
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Preconditions.checkArgument(bArr.length == BYTES, "Expected PairedStats.BYTES = %s, got %s", BYTES, bArr.length);
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ByteBuffer order = ByteBuffer.wrap(bArr).order(ByteOrder.LITTLE_ENDIAN);
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return new PairedStats(Stats.readFrom(order), Stats.readFrom(order), order.getDouble());
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}
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}
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