1 x 1 symmetric matrix More...

#include <JMatrix1S.hh>

Inheritance diagram for JMATH::JMatrix1S:

Public Member Functions
	JMatrix1S ()
	Default constructor.

	JMatrix1S (const JMatrix1D &A)
	Contructor.

	JMatrix1S (const double __a00)
	Contructor.

void	invert ()
	Invert matrix.

JMatrix1D &	setIdentity ()
	Set to identity matrix.

void	set (const JMatrix1D &A)
	Set matrix.

JMatrix1D &	reset ()
	Set matrix to the null matrix.

JMatrix1D &	transpose ()
	Transpose.

JMatrix1D &	negate ()
	Negate matrix.

JMatrix1D &	add (const JMatrix1D &A)
	Matrix addition.

JMatrix1D &	sub (const JMatrix1D &A)
	Matrix subtraction.

JMatrix1D &	mul (const double factor)
	Scale matrix.

JMatrix1D &	mul (const JMatrix1D &A, const JMatrix1D &B)
	Matrix multiplication.

JMatrix1D &	mul (const JSecond_t &object)
	Multiply with object.

JMatrix1D &	div (const double factor)
	Scale matrix.

bool	equals (const JMatrix1D &A, const double eps=std::numeric_limits< double >::min()) const
	Equality.

bool	isIdentity (const double eps=std::numeric_limits< double >::min()) const
	Test identity.

double	getDeterminant () const
	Get determinant of matrix.

void	transform (double &__x) const
	Transform.

Static Public Member Functions
static const JMatrix1D &	getInstance ()
	Get reference to unique instance of this class object.

static const JMatrix1D &	getIdentity ()
	Get reference to unique instance of this class object.

Public Attributes
double	a00

Detailed Description

1 x 1 symmetric matrix

Definition at line 26 of file JMatrix1S.hh.

Constructor & Destructor Documentation

◆ JMatrix1S() [1/3]

JMATH::JMatrix1S::JMatrix1S ( )

inline

Default constructor.

Definition at line 33 of file JMatrix1S.hh.

                :
      JMatrix1D()
    {}

◆ JMatrix1S() [2/3]

JMATH::JMatrix1S::JMatrix1S ( const JMatrix1D & A )

inline

Contructor.

Parameters

A matrix

Definition at line 43 of file JMatrix1S.hh.

                                  :
      JMatrix1D(A)
    {}

◆ JMatrix1S() [3/3]

JMATH::JMatrix1S::JMatrix1S ( const double __a00 )

inline

Contructor.

Parameters

__a00 (0,0)

Definition at line 53 of file JMatrix1S.hh.

                                  :
      JMatrix1D(__a00)
    {}

Member Function Documentation

◆ invert()

void JMATH::JMatrix1S::invert ( )

inline

Invert matrix.

Definition at line 61 of file JMatrix1S.hh.

    {
      if (a00 == 0) {
        throw JDivisionByZero("LDU decomposition zero pivot");
      }
 
      a00 = 1.0 / a00;
    }

◆ getInstance()

static const JMatrix1D & JMATH::JMatrix1D::getInstance ( )

inlinestaticinherited

Get reference to unique instance of this class object.

Returns: zero matrix

Definition at line 64 of file JMatrix1D.hh.

    {
      static JMatrix1D matrix;
 
      return matrix;
    }

◆ setIdentity()

JMatrix1D & JMATH::JMatrix1D::setIdentity ( )

inlineinherited

Set to identity matrix.

Returns: this matrix

Definition at line 77 of file JMatrix1D.hh.

    {
      a00 = 1.0;
 
      return *this;
    }

◆ getIdentity()

static const JMatrix1D & JMATH::JMatrix1D::getIdentity ( )

inlinestaticinherited

Get reference to unique instance of this class object.

Returns: identity matrix

Definition at line 90 of file JMatrix1D.hh.

    {
      static JMatrix1D matrix(JMatrix1D().setIdentity());
 
      return matrix;
    }

◆ set()

void JMATH::JMatrix1D::set ( const JMatrix1D & A )

inlineinherited

Set matrix.

Parameters

A matrix

Definition at line 103 of file JMatrix1D.hh.

    {
      static_cast<JMatrix1D&>(*this) = A;
    }

◆ reset()

JMatrix1D & JMATH::JMatrix1D::reset ( )

inlineinherited

Set matrix to the null matrix.

Returns: this matrix

Definition at line 114 of file JMatrix1D.hh.

    {
      *this = JMatrix1D();
      
      return *this;
    }

◆ transpose()

JMatrix1D & JMATH::JMatrix1D::transpose ( )

inlineinherited

Transpose.

Returns: this matrix

Definition at line 127 of file JMatrix1D.hh.

    {
      return *this;
    }

◆ negate()

JMatrix1D & JMATH::JMatrix1D::negate ( )

inlineinherited

Negate matrix.

Returns: -this matrix

Definition at line 138 of file JMatrix1D.hh.

    {
      a00 = -a00;
 
      return *this;
    }

◆ add()

JMatrix1D & JMATH::JMatrix1D::add ( const JMatrix1D & A )

inlineinherited

Matrix addition.

Parameters

A matrix

Returns: this matrix + A

Definition at line 152 of file JMatrix1D.hh.

    {
      a00 += A.a00;
 
      return *this;
    }

◆ sub()

JMatrix1D & JMATH::JMatrix1D::sub ( const JMatrix1D & A )

inlineinherited

Matrix subtraction.

Parameters

A matrix

Returns: this matrix - A

Definition at line 166 of file JMatrix1D.hh.

    {
      a00 -= A.a00;
 
      return *this;
    }

◆ mul() [1/3]

JMatrix1D & JMATH::JMatrix1D::mul ( const double factor )

inlineinherited

Scale matrix.

Parameters

factor factor

Returns: this matrix * factor

Definition at line 180 of file JMatrix1D.hh.

    {
      a00 *= factor;
 
      return *this;
    }

◆ mul() [2/3]

JMatrix1D & JMATH::JMatrix1D::mul	(	const JMatrix1D &	A,
		const JMatrix1D &	B )

inlineinherited

Matrix multiplication.

Parameters

A	matrix
B	matrix

Returns: this matrix

Definition at line 209 of file JMatrix1D.hh.

    {
      a00 = A.a00 * B.a00;
      
      return *this;
    }

◆ mul() [3/3]

JMatrix1D & JMATH::JMath< JMatrix1D, JSecond_t >::mul ( const JSecond_t & object )

inlineinherited

Multiply with object.

Parameters

object object

Returns: result object

Definition at line 354 of file JMath.hh.

    {
      return static_cast<JFirst_t&>(*this) = JFirst_t().mul(static_cast<const JFirst_t&>(*this), object);
    }

◆ div()

JMatrix1D & JMATH::JMatrix1D::div ( const double factor )

inlineinherited

Scale matrix.

Parameters

factor factor

Returns: this matrix / factor

Definition at line 194 of file JMatrix1D.hh.

    {
      a00 /= factor;
 
      return *this;
    }

◆ equals()

bool JMATH::JMatrix1D::equals	(	const JMatrix1D &	A,
		const double	eps = std::numeric_limits<double>::min() ) const

inlineinherited

Equality.

Parameters

A	matrix
eps	numerical precision

Returns: true if matrices identical; else false

Definition at line 225 of file JMatrix1D.hh.

    {
      return (fabs(a00 - A.a00) <= eps);
    }

◆ isIdentity()

bool JMATH::JMatrix1D::isIdentity ( const double eps = std::numeric_limits<double>::min() ) const

inlineinherited

Test identity.

Parameters

eps	numerical precision

Returns: true if identity matrix; else false

Definition at line 238 of file JMatrix1D.hh.

    {
      return equals(getIdentity(), eps);
    }

◆ getDeterminant()

double JMATH::JMatrix1D::getDeterminant ( ) const

inlineinherited

Get determinant of matrix.

Returns: determinant of matrix

Definition at line 249 of file JMatrix1D.hh.

    {
      return a00;
    }

◆ transform()

void JMATH::JMatrix1D::transform ( double & __x ) const

inlineinherited

Transform.

Parameters

__x x value

Definition at line 260 of file JMatrix1D.hh.

    {
      __x = a00 * __x;
    }

Member Data Documentation

◆ a00

double JMATH::JMatrix1D::a00

inherited

Definition at line 315 of file JMatrix1D.hh.

The documentation for this class was generated from the following file:

JMatrix1S.hh

Public Member Functions

Static Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ JMatrix1S() [1/3]

◆ JMatrix1S() [2/3]

◆ JMatrix1S() [3/3]

Member Function Documentation

◆ invert()

◆ getInstance()

◆ setIdentity()

◆ getIdentity()

◆ set()

◆ reset()

◆ transpose()

◆ negate()

◆ add()

◆ sub()

◆ mul() [1/3]

◆ mul() [2/3]

◆ mul() [3/3]

◆ div()

◆ equals()

◆ isIdentity()

◆ getDeterminant()

◆ transform()

Member Data Documentation

◆ a00