Package gov.nih.mipav.view.renderer.J3D.surfaceview.brainflattenerview

Class MjPolynomial1f

java.lang.Object
gov.nih.mipav.view.renderer.J3D.surfaceview.brainflattenerview.MjPolynomial1f
public class MjPolynomial1f extends Object
Limited implementation of a floating-point polynomial of 1 variable.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected float[]
    m_afCoeff
    DOCUMENT ME!
    protected int
    m_iDegree
    DOCUMENT ME!
    private static final float
    ms_fInvLog2
    DOCUMENT ME!
    private static final float
    ms_fLog10
    DOCUMENT ME!
    private static final float
    ms_fSqrt3
    DOCUMENT ME!
    private static final float
    ms_fThird
    DOCUMENT ME!
    private static final float
    ms_fTwentySeventh
    DOCUMENT ME!

  • Constructor Summary

    Constructors
    Constructor
    Description
    MjPolynomial1f()
    Creates a new MjPolynomial1f object.
    MjPolynomial1f(int iDegree)
    Creates a new MjPolynomial1f object.

  • Method Summary

    Modifier and Type
    Method
    Description
    Float
    bisection(float fXMin, float fXMax, int iDigitsAccuracy)
    Returns Float which is null if no root is found; otherwise contains the value of the root.
    float
    eval(float fT)
    evaluate this polynomial for the specified value.
    float
    getCoeff(int i)
    DOCUMENT ME!
    int
    getDegree()
    DOCUMENT ME!
    MjPolynomial1f
    getDerivative()
    return new instance which is the derivative of this instance.
    float
    getRootBisection()
    Called by computeRadius, finds the root of the invalid input: '<'= 8 degree polynomial through bisection method:
    int
    getRootsOnInterval(float fXMin, float fXMax, float[] afRoot, int iDigitsAccuracy)
    afRoot should have length 2; returns number roots found, which are returned in the afRoot array.
    void
    mul(MjPolynomial1f kPoly1, MjPolynomial1f kPoly2)
    set this polynomial to the product of two polynomials.
    int
    rootsDegree3(float[] afRoot)
    afRoot should have length 3 which is used to return the real roots found; returns 0 if no root can be found, otherwise returns the number of real roots found (1 or 3);
    void
    scale(float fScalar)
    sets this instance to the scalar product with itself.
    void
    set(MjPolynomial1f kPoly)
    set this polynomial to have the same coefficients as those in the specified polynomial.
    void
    setCoeff(int i, float fValue)
    DOCUMENT ME!
    void
    sub(MjPolynomial1f kPoly1, MjPolynomial1f kPoly2)
    sets this instance to the difference of two polynomial instances.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

    • ms_fInvLog2

      private static final float ms_fInvLog2
      DOCUMENT ME!

    • ms_fLog10

      private static final float ms_fLog10
      DOCUMENT ME!

    • ms_fThird

      private static final float ms_fThird
      DOCUMENT ME!
      See Also:

    • ms_fSqrt3

      private static final float ms_fSqrt3
      DOCUMENT ME!

    • ms_fTwentySeventh

      private static final float ms_fTwentySeventh
      DOCUMENT ME!
      See Also:

    • m_afCoeff

      protected float[] m_afCoeff
      DOCUMENT ME!

    • m_iDegree

      protected int m_iDegree
      DOCUMENT ME!

  • Constructor Details

    • MjPolynomial1f

      public MjPolynomial1f()
      Creates a new MjPolynomial1f object.

    • MjPolynomial1f

      public MjPolynomial1f(int iDegree)
      Creates a new MjPolynomial1f object.
      Parameters:
      iDegree - DOCUMENT ME!

  • Method Details

    • bisection

      public Float bisection(float fXMin, float fXMax, int iDigitsAccuracy)
      Returns Float which is null if no root is found; otherwise contains the value of the root.
      Parameters:
      fXMin - DOCUMENT ME!
      fXMax - DOCUMENT ME!
      iDigitsAccuracy - DOCUMENT ME!
      Returns:
      DOCUMENT ME!

    • eval

      public float eval(float fT)
      evaluate this polynomial for the specified value.
      Parameters:
      fT - DOCUMENT ME!
      Returns:
      DOCUMENT ME!

    • getCoeff

      public float getCoeff(int i)
      DOCUMENT ME!
      Parameters:
      i - DOCUMENT ME!
      Returns:
      DOCUMENT ME!

    • getDegree

      public int getDegree()
      DOCUMENT ME!
      Returns:
      DOCUMENT ME!

    • getDerivative

      public MjPolynomial1f getDerivative()
      return new instance which is the derivative of this instance.
      Returns:
      DOCUMENT ME!

    • getRootBisection

      public float getRootBisection()
      Called by computeRadius, finds the root of the invalid input: '<'= 8 degree polynomial through bisection method:
      Returns:
      DOCUMENT ME!

    • getRootsOnInterval

      public int getRootsOnInterval(float fXMin, float fXMax, float[] afRoot, int iDigitsAccuracy)
      afRoot should have length 2; returns number roots found, which are returned in the afRoot array.
      Parameters:
      fXMin - DOCUMENT ME!
      fXMax - DOCUMENT ME!
      afRoot - DOCUMENT ME!
      iDigitsAccuracy - DOCUMENT ME!
      Returns:
      DOCUMENT ME!

    • mul

      public void mul(MjPolynomial1f kPoly1, MjPolynomial1f kPoly2)
      set this polynomial to the product of two polynomials.
      Parameters:
      kPoly1 - DOCUMENT ME!
      kPoly2 - DOCUMENT ME!

    • rootsDegree3

      public int rootsDegree3(float[] afRoot)
      afRoot should have length 3 which is used to return the real roots found; returns 0 if no root can be found, otherwise returns the number of real roots found (1 or 3);
      Parameters:
      afRoot - DOCUMENT ME!
      Returns:
      DOCUMENT ME!

    • scale

      public void scale(float fScalar)
      sets this instance to the scalar product with itself.
      Parameters:
      fScalar - DOCUMENT ME!

    • set

      public void set(MjPolynomial1f kPoly)
      set this polynomial to have the same coefficients as those in the specified polynomial.
      Parameters:
      kPoly - DOCUMENT ME!

    • setCoeff

      public void setCoeff(int i, float fValue)
      DOCUMENT ME!
      Parameters:
      i - DOCUMENT ME!
      fValue - DOCUMENT ME!

    • sub

      public void sub(MjPolynomial1f kPoly1, MjPolynomial1f kPoly2)
      sets this instance to the difference of two polynomial instances.
      Parameters:
      kPoly1 - DOCUMENT ME!
      kPoly2 - DOCUMENT ME!