Package com.nr.sf

Examples of com.nr.sf.Bessjy

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    else System.out.println("Passed\n");
  }
 
  class Bessj0_qtrap implements UniVarRealValueFun{
    public double funk (double x) {
      Bessjy b = new Bessjy();
      return(b.j0(x));
    }
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    }
  };

  class Bessj1_qtrap implements UniVarRealValueFun{
    public double funk(double x) {
      Bessjy b= new Bessjy();
      return(b.j1(x));
    }
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      120.426893194368698};
    double[] uu1=buildVector(u1),uu2=buildVector(u2),uu3=buildVector(u3),uu4=buildVector(u4),zz=new double[N],zz1=new double[N],zz2=new double[N];
    boolean localflag, globalflag=false;

    Bessel bess = new Bessel();
    Bessjy bjy = new Bessjy();
    Bessik bik = new Bessik();

    // Test Bessel (besseljy and besselik)
    System.out.println("Testing Bessel (besseljy)");

    // Test for integer values of nu
    sbeps=1.e-10;
    for (i=0;i<5;i++) {
      nnu=(double)(i);

      for (j=0;j<N;j++) {
        xx=0.2*(j+1);
        if (i == 0) {
          zz1[j]=bjy.j0(xx);
          zz2[j]=bess.jnu(nnu,xx);
        } else if (i == 1) {
          zz1[j]=bjy.j1(xx);
          zz2[j]=bess.jnu(nnu,xx);
        } else {
          zz1[j]=bjy.jn(i,xx);
          zz2[j]=bess.jnu(nnu,xx);
        }
      }
      localflag = maxel(vecsub(zz1,zz2)) > sbeps;
      globalflag = globalflag || localflag;
      if (localflag) {
        fail("*** Bessel (besseljy,jnu): Incorrect function values, integer order");
       
      }

      for (j=0;j<N;j++) {
        xx=0.2*(j+1);
        if (i == 0) {
          zz1[j]=bjy.y0(xx);
          zz2[j]=bess.ynu(nnu,xx);
        } else if (i == 1) {
          zz1[j]=bjy.y1(xx);
          zz2[j]=bess.ynu(nnu,xx);
        } else {
          zz1[j]=bjy.yn(i,xx);
          zz2[j]=bess.ynu(nnu,xx);
        }
      }
      localflag = maxel(vecsub(zz1,zz2)) > sbeps;
      globalflag = globalflag || localflag;
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    double[] yy1=buildVector(y1),yy2=buildVector(y2),zz1=new double[N],zz2=new double[N];
    boolean localflag, globalflag=false;

    // Test Bessjy (j0)
    System.out.println("Testing Bessjy (j0)");
    Bessjy bess = new Bessjy();
    sbeps=1.e-15;
    for (i=0;i<N;i++) zz1[i]=bess.j0(x[i]);
    System.out.printf("Bessjy: Maximum discrepancy = %f\n", maxel(vecsub(zz1,yy1)));
    localflag = maxel(vecsub(zz1,yy1)) > sbeps;
    globalflag = globalflag || localflag;
    if (localflag) {
      fail("*** Bessjy (j0): Incorrect function values");
     
    }

    // Test Bessjy (j1)
    System.out.println("Testing Bessjy (j1)");
    sbeps=1.e-15;
    for (i=0;i<N;i++) zz2[i]=bess.j1(x[i]);
    System.out.printf("Bessjy: Maximum discrepancy = %f\n", maxel(vecsub(zz2,yy2)));
    localflag = maxel(vecsub(zz2,yy2)) > sbeps;
    globalflag = globalflag || localflag;
    if (localflag) {
      fail("*** Bessjy (j1): Incorrect function values");
     
    }

    N=10;
    double x3[]={0.001,0.01,0.1,0.5,1.0,2.0,4.0,8.0,16.0,32.0};
    double y3[]={-4.471416611375924,-3.005455637083646,-1.534238651350367,
      -4.445187335067066e-1,8.825696421567700e-2,5.103756726497453e-1,
      -1.694073932506495e-2,2.235214893875663e-1,9.581099708071243e-2,
      -2.874248465443332e-2};
    double y4[]={-6.366221672311394e+002,-6.367859628206066e+001,-6.458951094702027,
      -1.471472392670243,-7.812128213002889e-1,-1.070324315409375e-1,
      3.979257105571000e-1,-1.580604617312476e-1,1.779751689394169e-1,
      -1.385448315327238e-1};
    double[] yy3=buildVector(y3),yy4=buildVector(y4),zz3=new double[N],zz4=new double[N];

    // Test Bessjy (y0)
    System.out.println("Testing Bessjy (y0)");
    sbeps=1.e-14;
    for (i=0;i<N;i++) zz3[i]=bess.y0(x3[i]);
    System.out.printf("Bessjy: Maximum discrepancy = %f\n", maxel(vecsub(zz3,yy3)));
    localflag = maxel(vecsub(zz3,yy3)) > sbeps;
    globalflag = globalflag || localflag;
    if (localflag) {
      fail("*** Bessjy (y0): Incorrect function values");
     
    }

    // Test Bessjy (y1)
    System.out.println("Testing Bessjy (y1)");
    sbeps=1.5e-13;
    for (i=0;i<N;i++) zz4[i]=bess.y1(x3[i]);
    System.out.printf("Bessjy: Maximum discrepancy = %f\n", maxel(vecsub(zz4,yy4)));
    localflag = maxel(vecsub(zz4,yy4)) > sbeps;
    globalflag = globalflag || localflag;
    if (localflag) {
      fail("*** Bessjy (y1): Incorrect function values");
     
    }

    N=16;
    int n5[]={2,2,2,2,5,5,5,5,10,10,10,10,50,50,50,50};
    double x5[]={0.01,0.1,1.0,10.0,0.01,0.1,1.0,10.0,0.01,0.1,1.0,10.0,0.01,0.1,1.0,10.0,};
    double y5[]={1.249989583365887e-5,1.248958658799919e-3,1.149034849319005e-1,
      2.546303136851206e-1,2.604155815991601e-14,2.603081790964445e-9,
      2.497577302112346e-4,-2.340615281867936e-1,2.691138339236341e-30,
      2.690532895434228e-20,2.630615123687453e-10,2.074861066333589e-1,
      2.920284285406856e-180,2.920142569099765e-130,2.906004948173220e-80,
      1.784513607871616e-30};
    double y6[]={-1.273271380077505e+4,-1.276447832426902e+2,-1.650682606816255,
      -5.868082442208572e-3,-2.444635204829711e12,-2.446148450230391e7,
      -2.604058666258123e2,1.354030476893622e-1,-1.182808190517663e28,
      -1.183133513204520e18,-1.216180142786892e8,-3.598141521834027e-1,
      -2.179992503765307e+177,-2.180102618471610e+127,-2.191142812605340e77,
      -3.641066501800778e27};
    double[] yy5=buildVector(y5),yy6=buildVector(y6),zz5=new double[N],zz6=new double[N];

   

    // Test Bessjy (jn)
    System.out.println("Testing Bessjy (jn)");

    sbeps=5.e-14;
    for (i=0;i<N;i++) zz5[i]=bess.jn(n5[i],x5[i]);
    for (i=0;i<N;i++) {
//      System.out.printf(fabs((zz5[i]-yy5[i])/yy5[i]));
      localflag = localflag || abs((zz5[i]-yy5[i])/yy5[i]) > sbeps;
    }
    globalflag = globalflag || localflag;
    if (localflag) {
      fail("*** Bessjy (jn): Incorrect function values");
     
    }

    // Test Bessjy (yn)
    System.out.println("Testing Bessjy (yn)");
    sbeps=5.e-14;
    for (i=0;i<N;i++) zz6[i]=bess.yn(n5[i],x5[i]);
    for (i=0;i<N;i++) {
//      System.out.printf(abs((zz6[i]-yy6[i])/yy6[i]));
      localflag = localflag || abs((zz6[i]-yy6[i])/yy6[i]) > sbeps;
    }
    globalflag = globalflag || localflag;
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    if (globalflag) System.out.println("Failed\n");
    else System.out.println("Passed\n");
  }
  class Bessj0_gaulag implements UniVarRealValueFun{
    public double funk(double x) {
      Bessjy b = new Bessjy();
      return(b.j0(x));
    }
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    }
  };

  class Bessj1_gaulag implements UniVarRealValueFun{
    public double funk (double x) {
      Bessjy b= new Bessjy();
      return(b.j1(x));
    }
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    if (globalflag) System.out.println("Failed\n");
    else System.out.println("Passed\n");
  }
  class Bessj0_gauleg implements UniVarRealValueFun{
    public double funk (double x) {
      Bessjy b=new Bessjy();
      return(b.j0(x));
    }
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    }
  };

  class Bessj1_gauleg implements UniVarRealValueFun{
    public double funk (double x) {
      Bessjy b =new Bessjy();
      return(b.j1(x));
    }
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    else System.out.println("Passed\n");
  }

  class Bessj0_Adapt implements UniVarRealValueFun{
    public double funk (double x) {
      Bessjy b = new Bessjy();
      return(b.j0(x));
    }
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    }
  };

  class Bessj1_Adapt implements UniVarRealValueFun{
    public double funk (double x) {
      Bessjy b = new Bessjy();
      return(b.j1(x));
    }
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