Example usage for org.apache.commons.math3.dfp DfpField DfpField

Introduction

In this page you can find the example usage for org.apache.commons.math3.dfp DfpField DfpField.

Prototype

public DfpField(final int decimalDigits) 

Source Link

Document

Create a factory for the specified number of radix digits.

Usage

From source file:org.matheclipse.commons.parser.client.eval.dfp.DfpEvaluator.java

public DfpEvaluator(final int decimalDigits, ASTNode node, boolean relaxedSyntax) {
    super(relaxedSyntax);
    fASTFactory = new ASTNodeFactory(relaxedSyntax);
    fVariableMap = new HashMap<String, FieldElementVariable<Dfp>>();
    fBooleanVariables = new HashMap<String, BooleanVariable>();
    fNode = node;/*from  w w  w  .  j  a va  2  s. c  o  m*/
    fDfpField = new DfpField(decimalDigits);
    fZERO = new DfpNode(fDfpField.getZero());
    init();
    if (fRelaxedSyntax) {
        if (SYMBOL_MAP.get("pi") == null) {
            // init tables for relaxed mode
            for (String key : SYMBOL_MAP.keySet()) {
                SYMBOL_MAP.put(key.toLowerCase(), SYMBOL_MAP.get(key));
            }
            for (String key : SYMBOL_BOOLEAN_MAP.keySet()) {
                SYMBOL_BOOLEAN_MAP.put(key.toLowerCase(), SYMBOL_BOOLEAN_MAP.get(key));
            }
            for (String key : FUNCTION_MAP.keySet()) {
                FUNCTION_MAP.put(key.toLowerCase(), FUNCTION_MAP.get(key));
            }
            for (String key : FUNCTION_BOOLEAN_MAP.keySet()) {
                FUNCTION_BOOLEAN_MAP.put(key.toLowerCase(), FUNCTION_BOOLEAN_MAP.get(key));
            }
        }
    }
}

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From source file:org.orekit.forces.gravity.ReferenceFieldModel.java

public ReferenceFieldModel(NormalizedSphericalHarmonicsProvider provider, int digits) {
    this.dfpField = new DfpField(digits);
    this.provider = provider;
    this.alf = createAlf(provider.getMaxDegree(), provider.getMaxOrder(), true, dfpField);
}

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From source file:org.orekit.forces.gravity.ReferenceFieldModel.java

public ReferenceFieldModel(UnnormalizedSphericalHarmonicsProvider provider, int digits) {
    this.dfpField = new DfpField(digits);
    this.provider = provider;
    this.alf = createAlf(provider.getMaxDegree(), provider.getMaxOrder(), false, dfpField);
}

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From source file:org.rhwlab.BHC.GammaTest.java

static public void main(String[] args) {
    int n = 1000;
    DfpField field = new DfpField(20);
    for (int i = 0; i < n; ++i) {
        Dfp G = field.newDfp(Gamma.logGamma(i)).exp();
        System.out.printf("%d: %e %e %s\n", i, Gamma.gamma(i), Gamma.logGamma(i), G.toString());
    }/*from  w  w  w . j  av  a 2 s. c o m*/
}

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From source file:org.rhwlab.BHCnotused.GaussianGIWPrior.java

static public void main(String[] args) throws Exception {
    System.out.println("GaussianGIWPrior");
    field = new DfpField(20); // 20 decimal digits
    Cluster.setDfpField(field);//  www.ja va 2 s  .  c o m
    ThreadedAlgorithm.setDfpField(field);
    GaussianGIWPrior.setDfpField(field);

    //        SegmentedTiffDataSource source = new SegmentedTiffDataSource("/nfs/waterston/pete/Segmentation/Cherryimg75.tif",
    //                "/nfs/waterston/pete/Segmentation/Cherryimg75_SimpleSegmentation.tiff",1);  // background is seg=1
    //       source = new MicroClusterDataSource("/nfs/waterston/pete/Segmentation/Cherryimg_SimpleSegmentationMulti0350.xml");
    source = new MicroClusterDataSource(
            "/nfs/waterston/pete/Segmentation/Cherryimg_SimpleSegmentation0075.save");
    RealVector mean = source.getDataMean();
    Dfp[] mu = new Dfp[mean.getDimension()];
    for (int i = 0; i < mu.length; ++i) {
        mu[i] = field.newDfp(mean.getEntry(i));
    }
    GaussianGIWPrior.setParameters(4.0, 0.001, mu, 200.0);
    Cluster.setAlpha(30);
    ThreadedAlgorithm alg = new ThreadedAlgorithm();
    alg.setSource(source);
    alg.init(2);
    alg.run();
    alg.saveResultAsXML("/nfs/waterston/pete/Segmentation/Cherryimg_SimpleSegmentation0075_BHC.xml");
    int hfuis = 0;
}

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