io.nosqlbench.virtdata.library.curves4.continuous.common.RealDistributionICDSource Maven / Gradle / Ivy

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Statistical sampling library for use in virtdata libraries, based on apache commons math 4

There is a newer version: 5.17.0

/*
 * Copyright (c) 2022 nosqlbench
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.nosqlbench.virtdata.library.curves4.continuous.common;

import org.apache.commons.statistics.distribution.ContinuousDistribution;

import java.util.function.DoubleUnaryOperator;

public class RealDistributionICDSource implements DoubleUnaryOperator {

    private final ContinuousDistribution realDistribution;

    public RealDistributionICDSource(ContinuousDistribution realDistribution) {
        this.realDistribution = realDistribution;
    }

    @Override
    public double applyAsDouble(double operand) {
        return realDistribution.inverseCumulativeProbability(operand);
    }
}