Example usage for org.apache.commons.math3.fraction BigFraction BigFraction

Introduction

In this page you can find the example usage for org.apache.commons.math3.fraction BigFraction BigFraction.

Prototype

public BigFraction(final long num, final long den) 

Source Link

Document

Create a BigFraction given the numerator and denominator as simple long.

Usage

From source file:info.gehrels.voting.NotMoreThanTheAllowedNumberOfCandidatesCanReachItQuorum.java

@Override
public final BigFraction calculateQuorum(long numberOfValidVotes, long numberOfSeats) {
    BigFraction calculatedQuorum = new BigFraction(numberOfValidVotes, (numberOfSeats + 1)).add(surplus);
    return correctToBoundariesIfNecessary(numberOfValidVotes, numberOfSeats, calculatedQuorum);
}

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From source file:info.gehrels.voting.NotMoreThanTheAllowedNumberOfCandidatesCanReachItQuorumTest.java

@Test
public void returnsCorrectQuorumForNonZeroNumberOfValidVotesAndZeroPositions() {
    QuorumCalculation defaultQuorumCalculation = new NotMoreThanTheAllowedNumberOfCandidatesCanReachItQuorum(
            ONE_TENTH);// w  w  w.  j  ava  2 s  .c  o  m
    BigFraction quorum = defaultQuorumCalculation.calculateQuorum(4, 0);

    assertThat(quorum, is(new BigFraction(41, 10)));
}

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From source file:co.turnus.util.ProgressTheadPrinter.java

public void run() {
    SimpleTimer globalTimer = new SimpleTimer();
    SimpleTimer stepTimer = new SimpleTimer();

    final long stepsReduced = steps / 100;

    do {/*w  ww.  j  ava  2s . c  om*/
        int val = stepsReduced != 0 ? new BigFraction(step, stepsReduced).intValue() : 0;

        if (val != currentValue) {
            currentValue = val;
            // if (val % 10 == 0) {
            TurnusLogger.info(message + val + "% after " + stepTimer.getElapsedTime() / 1000 + "s");
            stepTimer.reset();
            // }
        }

        try {
            Thread.sleep(sleepTime);
        } catch (Exception e) {
        }

    } while (run && step < steps);

    TurnusLogger.info(new StringBuilder().append(message).append("done in ")
            .append((int) (globalTimer.getElapsedTime() / 1000)).append("s").toString());
}

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From source file:info.gehrels.voting.NotMoreThanTheAllowedNumberOfCandidatesCanReachItQuorumTest.java

@Test
public void returnsCorrectQuorumForNonZeroNumberOfValidVotesAndNonZeroNumberOfPositions() {
    QuorumCalculation defaultQuorumCalculation = new NotMoreThanTheAllowedNumberOfCandidatesCanReachItQuorum(
            ONE_TENTH);/*from www.  ja  v  a 2 s  .c o  m*/
    BigFraction quorum = defaultQuorumCalculation.calculateQuorum(6, 2);

    assertThat(quorum, is(new BigFraction(21, 10)));
}

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From source file:com.netflix.imfutility.ConversionHelperTest.java

@Test
public void toEditRate() {
    assertEquals("30000 1001", ConversionHelper.toEditRate(new BigFraction(30000, 1001)));
    assertEquals("50 1", ConversionHelper.toEditRate(new BigFraction(50)));
}

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From source file:info.gehrels.voting.singleTransferableVote.WeightedInclusiveGregoryMethodTest.java

@Test
public void reducesVoteWeightOfThoseBallotsThatHadTheElectedCandidateAsCurrentPreferredCandidate() {
    VoteWeightRecalculator<Candidate> voteWeightRecalculator = wigm.recalculatorFor();

    ImmutableCollection<VoteState<Candidate>> voteStates = voteWeightRecalculator.recalculateExceededVoteWeight(
            CANDIDATE_A, new BigFraction(7, 8), VOTE_STATES_FIXTURE, ALL_HOPEFUL_CANDIDATE_STATE);

    assertThat(voteStates,/*  www .  j  a va2  s . com*/
            hasItems(
                    aVoteState(Matchers.<VoteState<Candidate>>allOf(withVoteWeight(ONE_HALF),
                            withBallotId(BALLOT_ABCD.id))),
                    aVoteState(Matchers.<VoteState<Candidate>>allOf(withBallotId(BALLOT_ACD.id),
                            withVoteWeight(new BigFraction(3, 8))))));
}

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From source file:com.netflix.imfutility.ConversionHelperTest.java

@Test
public void toREditRate() {
    assertEquals("30000/1001", ConversionHelper.toREditRate(new BigFraction(30000, 1001)));
    assertEquals("50/1", ConversionHelper.toREditRate(new BigFraction(50)));
}

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From source file:com.netflix.imfutility.ConversionHelperTest.java

@Test
public void parseCorrectEditRate() {
    assertEquals(new BigFraction(30000, 1001), ConversionHelper.parseEditRate("30000 1001"));
    assertEquals(new BigFraction(50, 1), ConversionHelper.parseEditRate("50"));
    assertEquals(new BigFraction(30000, 1001), ConversionHelper.parseEditRate("30000/1001"));
    assertEquals(new BigFraction(50, 1), ConversionHelper.parseEditRate("50 1"));
}

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From source file:info.gehrels.voting.singleTransferableVote.WeightedInclusiveGregoryMethodTest.java

@Test
public void reportsEachVoteWeightRedistribution() {
    VoteWeightRecalculator<Candidate> voteWeightRecalculator = wigm.recalculatorFor();

    voteWeightRecalculator.recalculateExceededVoteWeight(CANDIDATE_A, new BigFraction(7, 8),
            VOTE_STATES_FIXTURE, ALL_HOPEFUL_CANDIDATE_STATE);

    verify(listenerMock).redistributingExcessiveFractionOfVoteWeight(CANDIDATE_A, ONE_HALF);
}

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From source file:cc.redberry.core.number.Rational.java

/**
 * @see BigFraction#BigFraction(java.math.BigInteger, java.math.BigInteger)
 *//*from   w  w w . ja  va 2s .co  m*/
public Rational(BigInteger num, BigInteger den) {
    checkNotNull(num);
    checkNotNull(den);
    fraction = new BigFraction(num, den);
}

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