Example usage for org.apache.commons.lang3.math Fraction getFraction

Introduction

In this page you can find the example usage for org.apache.commons.lang3.math Fraction getFraction.

Prototype

public static Fraction getFraction(String str) 

Source Link

Document

Creates a Fraction from a String.

The formats accepted are:

1. double String containing a dot
2. 'X Y/Z'
3. 'Y/Z'
4. 'X' (a simple whole number)

and a .

Usage

From source file:gmgen.plugin.PlayerCharacterOutput.java

/**
 * TODO Much of this code is repeated in CRToken, Race, Combatant and PlayerCharacterOutput
 *  /*from ww  w  . j  a va  2s  .c  o m*/
 * @return An output version of the CR
 */
public String getCR() {
    Integer calcCR = display.calcCR();
    float cr = (calcCR == null) ? -1 : calcCR;
    String retString = "";

    // If the CR is a fractional CR then we convert to a 1/x format
    if ((cr > 0) && (cr < 1)) {
        Fraction fraction = Fraction.getFraction(cr); // new Fraction(CR);
        int denominator = fraction.getDenominator();
        int numerator = fraction.getNumerator();
        retString = numerator + "/" + denominator;
    } else if ((cr >= 1) || (cr == 0)) {
        int newCr = -99;
        String crAsString = Float.toString(cr);
        String decimalPlaceValue = crAsString.substring(crAsString.length() - 2);
        if (decimalPlaceValue.equals(".0")) {
            newCr = (int) cr;
        }

        retString += ((newCr > -99) ? newCr : cr);
    }
    return retString;
}

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From source file:org.eclipse.tracecompass.tmf.ui.markers.PeriodicMarkerEventSource.java

private PeriodicMarkerEventSource(String category, Reference reference, double period, long rollover,
        boolean foreground, RGBA evenColor, @Nullable RGBA oddColor) {
    if (period <= 0) {
        throw new IllegalArgumentException("period cannot be less than or equal to zero"); //$NON-NLS-1$
    }//from   w  ww . ja  v a 2 s  . c o m
    if (rollover < 0) {
        throw new IllegalArgumentException("rollover cannot be less than zero"); //$NON-NLS-1$
    }
    fCategory = category;
    fReference = reference;
    fPeriod = period;
    fPeriodInteger = (long) period;
    try {
        fPeriodFraction = Fraction.getFraction(fPeriod - fPeriodInteger);
    } catch (ArithmeticException e) {
        /* can't convert to fraction, use floating-point arithmetic */
        fPeriodFraction = null;
    }
    fRollover = rollover;
    fColor = evenColor;
    fOddColor = oddColor;
    fForeground = foreground;
}

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From source file:org.zkoss.ganttz.util.Interval.java

private Fraction inTheDayIncrement(DateTime date) {
    DateTime atStartOfDay = date.toLocalDate().toDateTimeAtStartOfDay();
    Duration duration = new Duration(atStartOfDay, date);
    double result = ((double) duration.getMillis()) / lengthBetween.getMillis();

    return Fraction.getFraction(result);
}

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From source file:plugin.initiative.XMLCombatant.java

/**
 * //w w w .  ja v  a  2 s  .  c  o m
 * TODO Much of this code is repeated in CRToken, Race, XMLCombatant and PlayerCharacterOutput
 * 
 * <p>Gets the CR value for the character for output</p>
 * @return CR value
 */
public String getCRForOutput() {
    String retString = "";
    String crAsString = Float.toString(cr);
    String decimalPlaceValue = crAsString.substring(crAsString.length() - 2);

    // If the CR is a fractional CR then we convert to a 1/x format
    if (cr > 0 && cr < 1) {
        Fraction fraction = Fraction.getFraction(cr); // new Fraction(CR);
        int denominator = fraction.getDenominator();
        int numerator = fraction.getNumerator();
        retString = numerator + "/" + denominator;
    } else if (cr >= 1 || cr == 0) {
        int newCr = -99;
        if (decimalPlaceValue.equals(".0")) {
            newCr = (int) cr;
        }

        if (newCr > -99) {
            retString = retString + newCr;
        } else {
            retString = retString + cr;
        }
    }
    return retString;
}

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