ca.uhn.fhir.util.NumericParamRangeUtil Maven / Gradle / Ivy
/*-
* #%L
* HAPI FHIR - Core Library
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* Copyright (C) 2014 - 2024 Smile CDR, Inc.
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* 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
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package ca.uhn.fhir.util;
import org.apache.commons.lang3.tuple.Pair;
import java.math.BigDecimal;
public class NumericParamRangeUtil {
private NumericParamRangeUtil() {}
/**
* Provides a Pair containing the low and high boundaries for a range based on the received number
* characteristics. Note that the scale is used to calculate significant figures
* @param theNumber the number which range is returned
* @return a Pair of BigDecimal(s) with the low and high range boundaries
*/
public static Pair getRange(BigDecimal theNumber) {
BigDecimal halfRange = BigDecimal.valueOf(.5).movePointLeft(theNumber.scale());
return Pair.of(theNumber.subtract(halfRange), theNumber.add(halfRange));
}
}