Example usage for java.math BigInteger ONE

Introduction

In this page you can find the example usage for java.math BigInteger ONE.

Prototype

BigInteger ONE

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Document

The BigInteger constant one.

Usage

From source file:org.nd4j.linalg.util.BigDecimalMath.java

/**
 * Trigonometric cosine.//from  w ww.j  a v  a2s.  co m
 *
 * @param x The argument in radians.
 * @return cos(x) in the range -1 to 1.
 */
static public BigDecimal cos(final BigDecimal x) {
    if (x.compareTo(BigDecimal.ZERO) < 0) {
        return cos(x.negate());
    } else if (x.compareTo(BigDecimal.ZERO) == 0) {
        return BigDecimal.ONE;
    } else {
        /* reduce modulo 2pi
         */
        BigDecimal res = mod2pi(x);
        double errpi = 0.5 * Math.abs(x.ulp().doubleValue());
        int val = +err2prec(FastMath.PI, errpi);
        MathContext mc = new MathContext(val);
        BigDecimal p = pi(mc);
        mc = new MathContext(x.precision());
        if (res.compareTo(p) > 0) {
            /* pi<x<=2pi: cos(x)= - cos(x-pi)
             */
            return cos(subtractRound(res, p)).negate();
        } else if (res.multiply(new BigDecimal("2")).compareTo(p) > 0) {
            /* pi/2<x<=pi: cos(x)= -cos(pi-x)
             */
            return cos(subtractRound(p, res)).negate();
        } else {
            /* for the range 0<=x<Pi/2 one could use cos(2x)= 1-2*sin^2(x)
             * to split this further, or use the cos up to pi/4 and the sine higher up.
            throw new ProviderException("Unimplemented cosine ") ;
             */
            if (res.multiply(new BigDecimal("4")).compareTo(p) > 0) {
                /* x>pi/4: cos(x) = sin(pi/2-x)
                 */
                return sin(subtractRound(p.divide(new BigDecimal("2")), res));
            } else {
                /* Simple Taylor expansion, sum_{i=0..infinity} (-1)^(..)res^(2i)/(2i)! */
                BigDecimal resul = BigDecimal.ONE;
                /* x^i */
                BigDecimal xpowi = BigDecimal.ONE;
                /* 2i factorial */
                BigInteger ifac = BigInteger.ONE;
                /* The absolute error in the result is the error in x^2/2 which is x times the error in x.
                 */
                double xUlpDbl = 0.5 * res.ulp().doubleValue() * res.doubleValue();
                /* The error in the result is set by the error in x^2/2 itself, xUlpDbl.
                 * We need at most k terms to push x^(2k+1)/(2k+1)! below this value.
                 * x^(2k) < xUlpDbl; (2k)*log(x) < log(xUlpDbl);
                 */
                int k = (int) (Math.log(xUlpDbl) / Math.log(res.doubleValue())) / 2;
                MathContext mcTay = new MathContext(err2prec(1., xUlpDbl / k));
                for (int i = 1;; i++) {
                    /* TBD: at which precision will 2*i-1 or 2*i overflow?
                     */
                    ifac = ifac.multiply(new BigInteger("" + (2 * i - 1)));
                    ifac = ifac.multiply(new BigInteger("" + (2 * i)));
                    xpowi = xpowi.multiply(res).multiply(res).negate();
                    BigDecimal corr = xpowi.divide(new BigDecimal(ifac), mcTay);
                    resul = resul.add(corr);
                    if (corr.abs().doubleValue() < 0.5 * xUlpDbl) {
                        break;
                    }
                }
                /* The error in the result is governed by the error in x itself.
                 */
                mc = new MathContext(err2prec(resul.doubleValue(), xUlpDbl));
                return resul.round(mc);
            }
        }
    }
}

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From source file:net.pms.util.Rational.java

/**
 * Returns {@code true} if this {@link Rational} can be expressed as an
 * integer value, {@code false} otherwise.
 *
 * @return {@code true} if this can be expressed as an integer value,
 *         {@code false} otherwise./*  w  w  w  . ja  va  2 s.c o m*/
 */
public boolean isInteger() {
    return !isNaN() && !isInfinite() && BigInteger.ONE.equals(reducedDenominator);
}

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From source file:gov.nih.nci.cabig.caaers.domain.Fixtures.java

public static InvestigationalNewDrugType createInvestigationalNewDrugType() {
    return createInvestigationalNewDrugType("test", BigInteger.ONE);
}

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From source file:org.estatio.api.Api.java

@ActionSemantics(Of.IDEMPOTENT)
public void putLeaseTermForFixed(
        // start generic fields
        @Named("leaseReference") final String leaseReference,
        @Named("tenantReference") final String tenantReference,
        @Named("unitReference") @Optional final String unitReference,
        @Named("itemSequence") final BigInteger itemSequence, @Named("itemType") final String itemType,
        @Named("itemStatus") final String itemStatus,
        @Named("itemStartDate") @Optional final LocalDate itemStartDate,
        @Named("itemEndDate") @Optional final LocalDate itemEndDate,
        @Named("chargeReference") @Optional final String chargeReference,
        @Named("invoicingFrequency") @Optional final String invoicingFrequency,
        @Named("sequence") final BigInteger sequence, @Named("startDate") @Optional final LocalDate startDate,
        @Named("endDate") @Optional final LocalDate endDate, @Named("status") @Optional final String status,
        @Named("atPath") final String atPath,
        // end generic fields
        @Named("value") @Optional final BigDecimal value) {

    putLeaseItem(leaseReference, tenantReference, unitReference, itemType, BigInteger.ONE, itemStartDate,
            itemEndDate, chargeReference, null, invoicingFrequency, "DIRECT_DEBIT", itemStatus, atPath);
    final LeaseTermForFixed term = (LeaseTermForFixed) putLeaseTerm(leaseReference, unitReference, itemSequence,
            itemType, itemStartDate, startDate, endDate, sequence, status);
    term.setValue(value);//from  w  w w .  j  ava2  s  .  c om
}

---

From source file:org.nd4j.linalg.util.BigDecimalMath.java

/**
 * The trigonometric tangent./*from   w  w  w .j  ava  2s. co  m*/
 *
 * @param x the argument in radians.
 * @return the tan(x)
 */
static public BigDecimal tan(final BigDecimal x) {
    if (x.compareTo(BigDecimal.ZERO) == 0) {
        return BigDecimal.ZERO;
    } else if (x.compareTo(BigDecimal.ZERO) < 0) {
        return tan(x.negate()).negate();
    } else {
        /* reduce modulo pi
         */
        BigDecimal res = modpi(x);
        /* absolute error in the result is err(x)/cos^2(x) to lowest order
         */
        final double xDbl = res.doubleValue();
        final double xUlpDbl = x.ulp().doubleValue() / 2.;
        final double eps = xUlpDbl / 2. / Math.pow(Math.cos(xDbl), 2.);
        if (xDbl > 0.8) {
            /* tan(x) = 1/cot(x) */
            BigDecimal co = cot(x);
            MathContext mc = new MathContext(err2prec(1. / co.doubleValue(), eps));
            return BigDecimal.ONE.divide(co, mc);
        } else {
            final BigDecimal xhighpr = scalePrec(res, 2);
            final BigDecimal xhighprSq = multiplyRound(xhighpr, xhighpr);
            BigDecimal resul = xhighpr.plus();
            /* x^(2i+1) */
            BigDecimal xpowi = xhighpr;
            Bernoulli b = new Bernoulli();
            /* 2^(2i) */
            BigInteger fourn = new BigInteger("4");
            /* (2i)! */
            BigInteger fac = new BigInteger("2");
            for (int i = 2;; i++) {
                Rational f = b.at(2 * i).abs();
                fourn = fourn.shiftLeft(2);
                fac = fac.multiply(new BigInteger("" + (2 * i))).multiply(new BigInteger("" + (2 * i - 1)));
                f = f.multiply(fourn).multiply(fourn.subtract(BigInteger.ONE)).divide(fac);
                xpowi = multiplyRound(xpowi, xhighprSq);
                BigDecimal c = multiplyRound(xpowi, f);
                resul = resul.add(c);
                if (Math.abs(c.doubleValue()) < 0.1 * eps) {
                    break;
                }
            }
            MathContext mc = new MathContext(err2prec(resul.doubleValue(), eps));
            return resul.round(mc);
        }
    }
}

---

From source file:org.estatio.api.Api.java

private LeaseTerm putLeaseTerm(final String leaseReference, final String unitReference,
        final BigInteger itemSequence, final String itemType, final LocalDate itemStartDate,
        final LocalDate startDate, final LocalDate endDate, final BigInteger sequence, final String statusStr) {
    final Lease lease = fetchLease(leaseReference);
    final Unit unit;
    if (unitReference != null) {
        unit = units.findUnitByReference(unitReference);
        if (unitReference != null && unit == null) {
            throw new ApplicationException(String.format("Unit with reference %s not found.", unitReference));
        }/*www  . j a  v  a2 s.  co  m*/
    }
    final LeaseItemType leaseItemType = fetchLeaseItemType(itemType);
    final LeaseItem item = lease.findItem(leaseItemType, itemStartDate, itemSequence);
    if (item == null) {
        throw new ApplicationException(
                String.format("LeaseItem with reference %1$s, %2$s, %3$s, %4$s not found.", leaseReference,
                        leaseItemType.toString(), itemStartDate.toString(), itemSequence.toString()));
    }
    LeaseTerm term = item.findTermWithSequence(sequence);
    if (term == null) {
        if (sequence.equals(BigInteger.ONE)) {
            term = item.newTerm(startDate, endDate);
        } else {
            final LeaseTerm previousTerm = item.findTermWithSequence(sequence.subtract(BigInteger.ONE));
            term = previousTerm.createNext(startDate, endDate);
        }
        term.setSequence(sequence);
    }
    term.setStatus(org.estatio.dom.lease.LeaseTermStatus.valueOf(statusStr));
    return term;
}

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From source file:org.nd4j.linalg.util.BigDecimalMath.java

/**
 * The trigonometric co-tangent.//from  w ww  . ja v a2 s  . c o  m
 *
 * @param x the argument in radians.
 * @return the cot(x)
 */
static public BigDecimal cot(final BigDecimal x) {
    if (x.compareTo(BigDecimal.ZERO) == 0) {
        throw new ArithmeticException("Cannot take cot of zero " + x.toString());
    } else if (x.compareTo(BigDecimal.ZERO) < 0) {
        return cot(x.negate()).negate();
    } else {
        /* reduce modulo pi
         */
        BigDecimal res = modpi(x);
        /* absolute error in the result is err(x)/sin^2(x) to lowest order
         */
        final double xDbl = res.doubleValue();
        final double xUlpDbl = x.ulp().doubleValue() / 2.;
        final double eps = xUlpDbl / 2. / Math.pow(Math.sin(xDbl), 2.);
        final BigDecimal xhighpr = scalePrec(res, 2);
        final BigDecimal xhighprSq = multiplyRound(xhighpr, xhighpr);
        MathContext mc = new MathContext(err2prec(xhighpr.doubleValue(), eps));
        BigDecimal resul = BigDecimal.ONE.divide(xhighpr, mc);
        /* x^(2i-1) */
        BigDecimal xpowi = xhighpr;
        Bernoulli b = new Bernoulli();
        /* 2^(2i) */
        BigInteger fourn = new BigInteger("4");
        /* (2i)! */
        BigInteger fac = BigInteger.ONE;
        for (int i = 1;; i++) {
            Rational f = b.at(2 * i);
            fac = fac.multiply(new BigInteger("" + (2 * i))).multiply(new BigInteger("" + (2 * i - 1)));
            f = f.multiply(fourn).divide(fac);
            BigDecimal c = multiplyRound(xpowi, f);
            if (i % 2 == 0) {
                resul = resul.add(c);
            } else {
                resul = resul.subtract(c);
            }
            if (Math.abs(c.doubleValue()) < 0.1 * eps) {
                break;
            }
            fourn = fourn.shiftLeft(2);
            xpowi = multiplyRound(xpowi, xhighprSq);
        }
        mc = new MathContext(err2prec(resul.doubleValue(), eps));
        return resul.round(mc);
    }
}

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From source file:net.sf.json.TestJSONArray.java

public void testToList_BigInteger() {
    List expected = new ArrayList();
    expected.add(BigInteger.ZERO);
    expected.add(BigInteger.ONE);
    JSONArray jsonArray = JSONArray.fromObject(expected);
    List actual = JSONArray.toList(jsonArray);
    Assertions.assertEquals(expected, actual);
}

---

From source file:com.cloud.utils.net.NetUtils.java

public static BigInteger countIp6InRange(final String ip6Range) {
    if (ip6Range == null) {
        return null;
    }//from   w  w w .ja  va 2  s.co m
    final String[] ips = ip6Range.split("-");
    final String startIp = ips[0];
    String endIp = ips[0];
    if (ips.length > 1) {
        endIp = ips[1];
    }
    try {
        final BigInteger startInt = convertIPv6AddressToBigInteger(IPv6Address.fromString(startIp));
        final BigInteger endInt = convertIPv6AddressToBigInteger(IPv6Address.fromString(endIp));
        if (endInt != null && startInt != null && startInt.compareTo(endInt) <= 0) {
            return endInt.subtract(startInt).add(BigInteger.ONE);
        }
    } catch (final IllegalArgumentException ex) {
        s_logger.error("Failed to convert a string to an IPv6 address", ex);
    }
    return null;
}

---

From source file:org.apache.juddi.samples.JuddiAdminService.java

void autoMagicDirectedSSL() throws Exception {
    //1 > 2 >3 >1
    List<Node> uddiNodeList = clerkManager.getClientConfig().getUDDINodeList();

    Transport transport = clerkManager.getTransport("default");
    String authtoken = transport.getUDDISecurityService().getAuthToken(new GetAuthToken("root", "root"))
            .getAuthInfo();//from w  ww. ja  va  2s .c o m

    JUDDIApiPortType juddiApiService = transport.getJUDDIApiService();
    System.out.println("fetching...");

    ReplicationConfiguration replicationNodes = null;
    try {
        replicationNodes = juddiApiService.getReplicationNodes(authtoken);
    } catch (Exception ex) {
        System.out.println("Error getting replication config");
        ex.printStackTrace();
        replicationNodes = new ReplicationConfiguration();

    }
    //if (replicationNodes.getCommunicationGraph() == null) {
    replicationNodes.setCommunicationGraph(new CommunicationGraph());
    //}
    Operator op = new Operator();
    op.setOperatorNodeID("uddi:juddi.apache.org:node1");
    op.setSoapReplicationURL(clerkManager.getClientConfig().getUDDINode("default").getReplicationUrl());
    op.setOperatorStatus(OperatorStatusType.NORMAL);
    op.getContact().add(new Contact());
    op.getContact().get(0).getPersonName().add(new PersonName("bob", "en"));
    op.getContact().get(0).setUseType("admin");
    replicationNodes.getOperator().clear();
    replicationNodes.getOperator().add(op);

    op = new Operator();
    op.setOperatorNodeID("uddi:another.juddi.apache.org:node2");
    op.setSoapReplicationURL(clerkManager.getClientConfig().getUDDINode("uddi:another.juddi.apache.org:node2")
            .getReplicationUrl());
    op.setOperatorStatus(OperatorStatusType.NORMAL);
    op.getContact().add(new Contact());
    op.getContact().get(0).getPersonName().add(new PersonName("mary", "en"));
    op.getContact().get(0).setUseType("admin");
    replicationNodes.getOperator().add(op);
    op = new Operator();

    op.setOperatorNodeID("uddi:yet.another.juddi.apache.org:node3");
    op.setSoapReplicationURL(clerkManager.getClientConfig()
            .getUDDINode("uddi:yet.another.juddi.apache.org:node3").getReplicationUrl());
    op.setOperatorStatus(OperatorStatusType.NORMAL);
    op.getContact().add(new Contact());
    op.getContact().get(0).getPersonName().add(new PersonName("mary", "en"));
    op.getContact().get(0).setUseType("admin");
    replicationNodes.getOperator().add(op);
    replicationNodes.getCommunicationGraph().getNode().clear();
    replicationNodes.getCommunicationGraph().getNode().add("uddi:another.juddi.apache.org:node2");
    replicationNodes.getCommunicationGraph().getNode().add("uddi:juddi.apache.org:node1");
    replicationNodes.getCommunicationGraph().getNode().add("uddi:yet.another.juddi.apache.org:node3");
    replicationNodes.getCommunicationGraph().getEdge().clear();
    Edge e = new CommunicationGraph.Edge();
    e.setMessageSender("uddi:juddi.apache.org:node1");
    e.setMessageReceiver("uddi:another.juddi.apache.org:node2");
    replicationNodes.getCommunicationGraph().getEdge().add(e);

    e = new CommunicationGraph.Edge();
    e.setMessageSender("uddi:another.juddi.apache.org:node2");
    e.setMessageReceiver("uddi:yet.another.juddi.apache.org:node3");
    replicationNodes.getCommunicationGraph().getEdge().add(e);

    e = new CommunicationGraph.Edge();
    e.setMessageSender("uddi:yet.another.juddi.apache.org:node3");
    e.setMessageReceiver("uddi:juddi.apache.org:node1");
    replicationNodes.getCommunicationGraph().getEdge().add(e);

    replicationNodes.setSerialNumber(0L);
    replicationNodes.setTimeOfConfigurationUpdate("");
    replicationNodes.setMaximumTimeToGetChanges(BigInteger.ONE);
    replicationNodes.setMaximumTimeToSyncRegistry(BigInteger.ONE);

    if (replicationNodes.getRegistryContact().getContact() == null) {
        replicationNodes.getRegistryContact().setContact(new Contact());
        replicationNodes.getRegistryContact().getContact().getPersonName().add(new PersonName("unknown", null));
    }

    JAXB.marshal(replicationNodes, System.out);

    juddiApiService.setReplicationNodes(authtoken, replicationNodes);
    System.out.println("Saved to node1");
    TestEquals(replicationNodes, juddiApiService.getReplicationNodes(authtoken));

    transport = clerkManager.getTransport("uddi:another.juddi.apache.org:node2");
    authtoken = transport.getUDDISecurityService().getAuthToken(new GetAuthToken("root", "root")).getAuthInfo();
    juddiApiService = transport.getJUDDIApiService();
    juddiApiService.setReplicationNodes(authtoken, replicationNodes);
    System.out.println("Saved to node2");
    TestEquals(replicationNodes, juddiApiService.getReplicationNodes(authtoken));

    transport = clerkManager.getTransport("uddi:yet.another.juddi.apache.org:node3");
    authtoken = transport.getUDDISecurityService().getAuthToken(new GetAuthToken("root", "root")).getAuthInfo();
    juddiApiService = transport.getJUDDIApiService();
    juddiApiService.setReplicationNodes(authtoken, replicationNodes);
    System.out.println("Saved to node3");
    TestEquals(replicationNodes, juddiApiService.getReplicationNodes(authtoken));
}

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