marVector Class Reference

#include <marVector.h>

List of all members.

Public Member Functions
	marVector (size_t s=3)
	marVector (double *v, size_t s)
	marVector (const marVector &v)
virtual	~marVector ()
marVector &	operator= (const marVector &o)
marVector &	operator= (double o)
marVector &	operator= (double *o)
	operator double * () const
double &	operator() (size_t i)
const double &	operator() (size_t i) const
bool	operator== (const marVector &o) const
bool	operator!= (const marVector &o) const
marVector	operator+ (const marVector &o)
marVector	operator+ (double o)
marVector	operator+ (double *o)
marVector &	operator+= (const marVector &o)
marVector &	operator+= (double o)
marVector &	operator+= (double *o)
marVector	operator- (const marVector &o)
marVector	operator- (double o)
marVector	operator- (double *o)
marVector &	operator-= (const marVector &o)
marVector &	operator-= (double o)
marVector &	operator-= (double *o)
marVector	operator * (double o)
marVector &	operator *= (double o)
marVector	operator/ (double o)
marVector &	operator/= (double o)
double	dot (const marVector &o)
double	dot (double *o)
marVector	cross (const marVector &o)
marVector	cross (double *o)
int	scross (const marVector &o)
int	scross (double *o)
double	norm2 ()
marVector	normalize ()
int	snormalize ()
size_t	size () const
Private Attributes
bool	shallowCopy
size_t	_size
double *	_data
Friends
std::ostream &	operator<< (std::ostream &os, const marVector &v)

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Detailed Description

Definition at line 7 of file marVector.h.

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Constructor & Destructor Documentation

marVector::marVector

(

size_t

s = 3

)

Definition at line 12 of file marVector.cpp.

References _data, and _size.

Referenced by normalize().

        :shallowCopy(false)
{
        if (s!=0)
        {
                _data=new double[s];
                _size=s;
        }
        else
        {
                _data=NULL;
                _size=0;
                assert(false);
        }
}

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marVector::marVector	(	double *	v,
		size_t	s
	)

Definition at line 40 of file marVector.cpp.

References _data, and _size.

        :shallowCopy(true)
{
        if (s!=0)
        {
                _size=s;
                _data=v;
// PS ->                _data=new double[_size];
// PS ->                for (int i=0;i<_size;i++)
// PS ->                {
// PS ->                        _data[i]=v[i];
// PS ->                }
                
        }
        else
        {
                _data=NULL;
                _size=0;
                assert(false);
        }
        
}

marVector::marVector

(

const marVector &

v

)

Definition at line 28 of file marVector.cpp.

References _data, and _size.

        :shallowCopy(false)
{
        _size=v._size;
        _data=new double[_size];
        int i;
        for (i=0;i<_size;i++)
        {
                _data[i]=v._data[i];
        }
}

marVector::~marVector

(

)

[virtual]

Definition at line 66 of file marVector.cpp.

References _data, and shallowCopy.

{
        if (!shallowCopy) 
        {
                delete _data;
        }
        else
        {
                _data=NULL;
        }
}

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Member Function Documentation

marVector & marVector::operator=

(

const marVector &

o

)

Definition at line 115 of file marVector.cpp.

References _data, _size, and shallowCopy.

{
        _size=o._size;
        if (!(_data==NULL)&&(!shallowCopy))
        {
                delete _data;
        }
        shallowCopy=false;
        _data=new double[_size];
        int i;
        for (i=0;i<_size;i++)
        {
                _data[i]=o._data[i];
        }
        return (*this);
}

marVector & marVector::operator=

(

double

o

)

Definition at line 132 of file marVector.cpp.

References _data, _size, and shallowCopy.

{
        if (_size!=0)
        {
                if (!(_data==NULL)&&(!shallowCopy))
                {
                        delete _data;
                }
                shallowCopy=false;
                _data=new double[_size];
                int i;
                for (i=0;i<_size;i++)
                {
                        _data[i]=o;
                }
        }
        else
        {
                assert(false);
        }
        return (*this);
}

marVector & marVector::operator=

(

double *

o

)

Definition at line 155 of file marVector.cpp.

References _data, _size, and shallowCopy.

{
        if (_size!=0)
        {
                if (!(_data==NULL)&&(!shallowCopy))
                {
                        delete _data;
                }
                shallowCopy=false;
                _data=new double[_size];
                int i;
                for (i=0;i<_size;i++)
                {
                        _data[i]=o[i];
                }
        }
        else
        {
                assert(false);
        }
        return (*this);
}

marVector::operator double *

(

)

const

Definition at line 96 of file marVector.cpp.

References _data.

{ 
        return(_data);
}

double & marVector::operator()

(

size_t

i

)

Definition at line 103 of file marVector.cpp.

References _data.

{ 
        return(_data[i]);
}

const double & marVector::operator()

(

size_t

i

)

const

Definition at line 108 of file marVector.cpp.

References _data.

{
        return(_data[i]);
}

bool marVector::operator==

(

const marVector &

o

)

const

Definition at line 180 of file marVector.cpp.

References _data, and _size.

{
    bool equal=true;
        
    if(_size!=o._size)
        {
                return(false);
        }
        
        int i;
        for(i=0;i<_size && equal;i++)
        {
                equal=equal && (_data[i]==o._data[i]); 
        }
    return(equal);
}

bool marVector::operator!=

(

const marVector &

o

)

const

Definition at line 197 of file marVector.cpp.

{
        return(!((*this)==o));
}

marVector marVector::operator+

(

const marVector &

o

)

Definition at line 204 of file marVector.cpp.

References _data, and _size.

{
        marVector result(*this);
        size_t s=result._size;
        
        if ((o._size!=s) || (s==0))
        {
                assert(false);
        }
        else 
        {
                for (int i=0;i < s;i++)
                {
                        result._data[i] +=o._data[i];
                }
        }
        return result;
}

marVector marVector::operator+

(

double

o

)

Definition at line 223 of file marVector.cpp.

References _data, and _size.

{
        marVector result(*this);
        size_t s=result._size;
        
        if (s==0)
        {
                assert(false);
        }
        else 
        {
                for (int i=0;i < s;i++)
                {
                        result._data[i] +=o;
                }
        }
        return result;
}

marVector marVector::operator+

(

double *

o

)

Definition at line 242 of file marVector.cpp.

References _data, and _size.

{
        marVector result(*this);
        size_t s=result._size;
        
        if (s==0)
        {
                assert(false);
        }
        else 
        {
                for (int i=0;i < s;i++)
                {
                        result._data[i] +=o[i];
                }
        }
        return result;
}

marVector & marVector::operator+=

(

const marVector &

o

)

Definition at line 263 of file marVector.cpp.

References _data, and _size.

{
        if ((o._size!=_size) || (_size==0))
        {
                assert(false);          
        }
        else 
        {
                for (int i=0;i < _size;i++)
                {
                        _data[i] +=o._data[i];
                }
        }
        return (*this);
}

marVector & marVector::operator+=

(

double

o

)

Definition at line 279 of file marVector.cpp.

References _data, and _size.

{
        if (_size==0)
        {
                assert(false);  
        }
        else 
        {
                for (int i=0;i < _size;i++)
                {
                        _data[i] +=o;
                }
        }
    return(*this);
}

marVector & marVector::operator+=

(

double *

o

)

Definition at line 295 of file marVector.cpp.

References _data, and _size.

{
        if (_size==0)
        {
                assert(false);          
        }
        else 
        {
                for (int i=0;i < _size;i++)
                {
                        _data[i] +=o[i];
                }
        }
    return(*this);
}

marVector marVector::operator-

(

const marVector &

o

)

Definition at line 313 of file marVector.cpp.

References _data, and _size.

{
        marVector result(*this);
        size_t s=result._size;
        
        if ((o._size !=s) || (s==0))
        {
                assert(false);          
        }
        else 
        {
                for (int i=0;i < s;i++)
                {
                        result._data[i] -=o._data[i];
                }
        }
        return result;
}

marVector marVector::operator-

(

double

o

)

Definition at line 332 of file marVector.cpp.

References _data, and _size.

{
        marVector result(*this);
        size_t s=result._size;
        
        if (s==0)
        {
                assert(false);  
        }
        else 
        {
                for (int i=0;i < s;i++)
                {
                        result._data[i] -=o;
                }
        }
        return result;
}

marVector marVector::operator-

(

double *

o

)

Definition at line 351 of file marVector.cpp.

References _data, and _size.

{
        marVector result(*this);
        size_t s=result._size;
        
        if (s==0)
        {
                assert(false);          
        }
        else 
        {
                for (int i=0;i < s;i++)
                {
                        result._data[i] -=o[i];
                }
        }
        return result;
}

marVector & marVector::operator-=

(

const marVector &

o

)

Definition at line 372 of file marVector.cpp.

References _data, and _size.

{
        if ((o._size!=_size) || (_size==0))
        {
                assert(false);          
        }
        else 
        {
                for (int i=0;i < _size;i++)
                {
                        _data[i] -=o._data[i];
                }
        }
        return (*this);
}

marVector & marVector::operator-=

(

double

o

)

Definition at line 388 of file marVector.cpp.

References _data, and _size.

{
        if (_size==0)
        {
                assert(false);  
        }
        else 
        {
                for (int i=0;i < _size;i++)
                {
                        _data[i] -=o;
                }
        }
    return(*this);
}

marVector & marVector::operator-=

(

double *

o

)

Definition at line 404 of file marVector.cpp.

References _data, and _size.

{
        if (_size==0)
        {
                assert(false);          
        }
        else 
        {
                for (int i=0;i < _size;i++)
                {
                        _data[i] -=o[i];
                }
        }
    return(*this);
}

marVector marVector::operator *

(

double

o

)

Definition at line 422 of file marVector.cpp.

References _data, and _size.

{
        marVector result(*this);
        size_t s=result._size;
        
        if (s==0)
        {
                assert(false);  
        }
        else 
        {
                for (int i=0;i < s;i++)
                {
                        result._data[i]*=o;
                }
        }
        return result;
}

marVector & marVector::operator *=

(

double

o

)

Definition at line 443 of file marVector.cpp.

References _data, and _size.

{
        if (_size==0)
        {
                assert(false);  
        }
        else 
        {
                for (int i=0;i < _size;i++)
                {
                        _data[i]*=o;
                }
        }
    return(*this);
}

marVector marVector::operator/

(

double

o

)

Definition at line 461 of file marVector.cpp.

References _data, and _size.

{
        marVector result(*this);
        size_t s=result._size;
        
        if (s==0)
        {
                assert(false);  
        }
        else 
        {
                for (int i=0;i < s;i++)
                {
                        result._data[i] /=o;
                }
        }
        return result;
}

marVector & marVector::operator/=

(

double

o

)

Definition at line 482 of file marVector.cpp.

References _data, and _size.

{
        if (_size==0)
        {
                assert(false);  
        }
        else 
        {
                for (int i=0;i < _size;i++)
                {
                        _data[i] /=o;
                }
        }
    return(*this);
}

double marVector::dot

(

const marVector &

o

)

Definition at line 503 of file marVector.cpp.

References _data, and _size.

{
    double result;
        if ((_size!=o._size) || (_size==0))
        {
                assert(false); 
        }
        else
        {
                result=0.0;
                for (int i=0;i<_size;i++)
                {
                        result+=(_data[i]*o._data[i]);
                }
        }
        return result;
}

double marVector::dot

(

double *

o

)

Definition at line 521 of file marVector.cpp.

References _data, and _size.

{
    double result;
        if (_size==0)
        {
                assert(false); 
        }
        else
        {
                result=0.0;
                for (int i=0;i<_size;i++)
                {
                        result+=(_data[i]*o[i]);
                }
        }
        return result;
}

marVector marVector::cross

(

const marVector &

o

)

Definition at line 541 of file marVector.cpp.

References _data, and _size.

Referenced by scross().

{
    marVector result(*this);
        if ((o._size!=_size) || (_size!=3))
        {
                assert(false); 
        }
        else
        {
                double S,s;
                
                // 1st element
                S=_data[1]*o._data[2];
                s=_data[2]*o._data[1];
                result._data[0]=S - s;
                
                // 2nd element
                S=_data[2]*o._data[0];
                s=_data[0]*o._data[2];
                result._data[1]=S - s;
                
                // 3rd element
                S=_data[0]*o._data[1];
                s=_data[1]*o._data[0];
                result._data[2]=S - s;
        }
    return(result);    
}

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marVector marVector::cross

(

double *

o

)

Definition at line 570 of file marVector.cpp.

References _data, and _size.

{
    marVector result(*this);
        if (_size!=3)
        {
                assert(false); 
        }
        else
        {
                double S,s;
                
                // 1st element
                S=_data[1]*o[2];
                s=_data[2]*o[1];
                result._data[0]=S - s;
                
                // 2nd element
                S=_data[2]*o[0];
                s=_data[0]*o[2];
                result._data[1]=S - s;
                
                // 3rd element
                S=_data[0]*o[1];
                s=_data[1]*o[0];
                result._data[2]=S - s;
        }
    return(result);
}

int marVector::scross

(

const marVector &

o

)

Definition at line 599 of file marVector.cpp.

References _size, and cross().

{
        if ((o._size!=_size) && (_size!=3))
        {
                return (1);
        }
        else
        {
                *this=cross(o);
                return(0);
        } 
}

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int marVector::scross

(

double *

o

)

Definition at line 612 of file marVector.cpp.

References _size, and cross().

{
        if (_size!=3)
        {
                return (1);
        }
        else
        {
                *this=cross(o);
                return(0);
        } 
}

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double marVector::norm2

(

)

Definition at line 627 of file marVector.cpp.

References _data, and _size.

Referenced by marAxis::getAxisLenght(), normalize(), and snormalize().

{
        
        double norme2=0.0;
        if (_size==0)
        {
                assert(false);
        }
        else
        {
                const double seuil1=pow( 2., 154. ),seuil2=1/seuil1;
                double n1=0; /* les sommes partielles */
                double n2=0;
                double n3=0;
                double n4;
                int i;
                for ( i=0; i<_size; i++ ) 
                {
                        double x=_data[i];      /* x=abs(vecteur[i]) */
                        
                        if (x<0) 
                        { 
                                x=-x;
                        }
                        /* sommation par classe */
                        if ( x > seuil1 ) 
                        {
                                x *=seuil2;
                                n1 +=x*x;
                        } 
                        else if ( x < seuil2 ) 
                        {
                                x  *=seuil1;
                                n2 +=x*x;
                        } 
                        else
                        {
                                n3 +=x*x;
                        }
                }
                
                n3=sqrt(n3);
                if (n1>0)
                {
                        n4=seuil1 * sqrt(n1);
                }
                else
                {
                        n4=seuil2 * sqrt(n2);
                }
                
// EED 
/*
                if (n3 < n4) 
                {
                        n3 /=n4;
                        norme2=n4 * sqrt( 1 + n3*n3 );
                } 
                else 
                {
                        n4 /=n3;
                        norme2=n3 * sqrt( 1 + n4*n4 );
                }
*/
                norme2=n3;
        }
        return norme2;
}

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marVector marVector::normalize

(

)

Definition at line 700 of file marVector.cpp.

References marVector(), and norm2().

{
        marVector result=marVector(*this);
        result *= (1/result.norm2());
        return result;
}

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int marVector::snormalize

(

)

Definition at line 707 of file marVector.cpp.

References norm2().

{
        (*this)*=(1/this->norm2());
        return(0);
}// renvoie 0 si OK, 1 sinon

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size_t marVector::size

(

)

const

Definition at line 717 of file marVector.cpp.

References _size.

Referenced by marMatrix::operator *(), and operator<<().

{
        return _size;
}

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Friends And Related Function Documentation

std::ostream& operator<<	(	std::ostream &	os,
		const marVector &	v
	)			[friend]

Definition at line 83 of file marVector.cpp.

{
        int i;
    for(i=0;i < v.size();i++) 
        {
                os << " " << v(i);
        }
        os <<"\n";
    return(os);
}

---

Member Data Documentation

bool marVector::shallowCopy [private]

Definition at line 92 of file marVector.h.

Referenced by operator=(), and ~marVector().

size_t marVector::_size [private]

Definition at line 93 of file marVector.h.

Referenced by cross(), dot(), marVector(), norm2(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), operator/(), operator/=(), operator=(), operator==(), scross(), and size().

double* marVector::_data [private]

Definition at line 94 of file marVector.h.

Referenced by cross(), dot(), marVector(), norm2(), operator *(), operator *=(), operator double *(), operator()(), operator+(), operator+=(), operator-(), operator-=(), operator/(), operator/=(), operator=(), operator==(), and ~marVector().

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

• C:/Creatis/creaMaracasVisu/lib/maracasVisuLib/src/kernel/include/marVector.h
• C:/Creatis/creaMaracasVisu/lib/maracasVisuLib/src/kernel/include/marVector.cpp

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