JMATH::JMatrix1D Class Reference

1 x 1 matrix More...

#include <JMatrix1D.hh>

Inheritance diagram for JMATH::JMatrix1D:

Public Member Functions
	JMatrix1D ()
	Default constructor.
	JMatrix1D (const double __a00)
	Contructor.
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 &	div (const double factor)
	Scale matrix.
JMatrix1D &	mul (const JMatrix1D &A, const JMatrix1D &B)
	Matrix multiplication.
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.
JMatrix1D &	mul (const JSecond_t &object)
	Multiply with object.

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

Friends
JReader &	operator>> (JReader &in, JMatrix1D &matrix)
	Read matrix from input.
JWriter &	operator<< (JWriter &out, const JMatrix1D &matrix)
	Write matrix to output.
std::ostream &	operator<< (std::ostream &out, const JMatrix1D &A)
	Print ASCII formatted output.

Detailed Description

1 x 1 matrix

Definition at line 32 of file JMatrix1D.hh.

Constructor & Destructor Documentation

JMatrix1D() [1/2]

JMATH::JMatrix1D::JMatrix1D ( )

inline

Default constructor.

Definition at line 44 of file JMatrix1D.hh.

                :
      a00(0.0)
    {}

JMatrix1D() [2/2]

JMATH::JMatrix1D::JMatrix1D ( const double __a00 )

inline

Contructor.

Parameters

__a00

(0,0)

Definition at line 54 of file JMatrix1D.hh.

                                  :
      a00(__a00)
    {}

Member Function Documentation

getInstance()

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

inlinestatic

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 ( )

inline

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 ( )

inlinestatic

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 )

inline

Set matrix.

Parameters

A

matrix

Definition at line 103 of file JMatrix1D.hh.

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

reset()

JMatrix1D & JMATH::JMatrix1D::reset ( )

inline

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 ( )

inline

Transpose.

Returns

this matrix

Definition at line 127 of file JMatrix1D.hh.

    {
      return *this;
    }

negate()

JMatrix1D & JMATH::JMatrix1D::negate ( )

inline

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 )

inline

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 )

inline

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 )

inline

Scale matrix.

Parameters

factor

factor

Returns

this matrix * factor

Definition at line 180 of file JMatrix1D.hh.

    {
      a00 *= factor;
 
      return *this;
    }

div()

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

inline

Scale matrix.

Parameters

factor

factor

Returns

this matrix / factor

Definition at line 194 of file JMatrix1D.hh.

    {
      a00 /= factor;
 
      return *this;
    }

mul() [2/3]

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

inline

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;
    }

equals()

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

inline

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

inline

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

inline

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

inline

Transform.

Parameters

__x

x value

Definition at line 260 of file JMatrix1D.hh.

    {
      __x = a00 * __x;
    }

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);
    }

Friends And Related Symbol Documentation

operator>>

JReader & operator>> ( JReader & in, JMatrix1D & matrix )

friend

Read matrix from input.

Parameters

in	reader
matrix	matrix

Returns

reader

Definition at line 273 of file JMatrix1D.hh.

    {
      in >> matrix.a00;
 
      return in;
    }

operator<< [1/2]

JWriter & operator<< ( JWriter & out, const JMatrix1D & matrix )

friend

Write matrix to output.

Parameters

out	writer
matrix	matrix

Returns

writer

Definition at line 288 of file JMatrix1D.hh.

    {
      out << matrix.a00;
 
      return out;
    }

operator<< [2/2]

std::ostream & operator<< ( std::ostream & out, const JMatrix1D & A )

friend

Print ASCII formatted output.

Parameters

out	output stream
A	matrix

Returns

output stream

Definition at line 303 of file JMatrix1D.hh.

    {
      using namespace std;
 
      const JFormat format(out, getFormat<JMatrix1D>(JFormat_t(10, 3, std::ios::fixed | std::ios::showpos)));
 
      out << format << A.a00 << endl;
 
      return out;
    }

Member Data Documentation

a00

double JMATH::JMatrix1D::a00

Definition at line 315 of file JMatrix1D.hh.

---

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

• JMatrix1D.hh