symPolyTerm Class Reference

#include <symPolyTerm.h>

Public Member Functions
	symPolyTerm (const std::vector< int > &pos)
	symPolyTerm (int a)
	symPolyTerm (int a, int b)
	symPolyTerm (int a, int b, int c)
	symPolyTerm (int a, int b, int c, int d)
	symPolyTerm (int a, int b, int c, int d, int e)
	symPolyTerm (int a, int b, int c, int d, int e, int f)
	symPolyTerm (const symPolyTerm &other)
	~symPolyTerm ()
void	print (std::ostream &os=std::cout) const
double	eval (double x, double y) const
double	eval (double x, double y, double z) const
double	eval (double x, double y, double z, double u) const
double	eval (double x, double y, double z, double u, double v) const
double	eval (double x, double y, double z, double u, double v, double w) const
double	eval (const std::vector< double > &x) const
double	eval (const std::vector< double * > &x) const
double	eval (const std::vector< const double * > &x) const
const std::string &	name () const

Private Member Functions
bool	init ()
void	makeName ()
void	makeAllPermutations ()

Private Attributes
std::vector< int >	_powers
std::vector< std::vector< int > >	_allPermutations
std::string	_name

Detailed Description

Definition at line 7 of file symPolyTerm.h.

Constructor & Destructor Documentation

symPolyTerm() [1/8]

symPolyTerm::symPolyTerm

(

const std::vector< int > &

pos

)

Definition at line 10 of file symPolyTerm.cpp.

  : _powers(pos)
{
  init();
}

symPolyTerm() [2/8]

symPolyTerm::symPolyTerm

(

int

a

)

Definition at line 15 of file symPolyTerm.cpp.

  : _powers(1)
{
  _powers[0] = a;
  init();
}

symPolyTerm() [3/8]

symPolyTerm::symPolyTerm	(	int	a,
		int	b
	)

Definition at line 21 of file symPolyTerm.cpp.

  : _powers(2)
{
  _powers[0] = a;
  _powers[1] = b;
  init();
}

symPolyTerm() [4/8]

symPolyTerm::symPolyTerm	(	int	a,
		int	b,
		int	c
	)

Definition at line 28 of file symPolyTerm.cpp.

  : _powers(3)
{
  _powers[0] = a;
  _powers[1] = b;
  _powers[2] = c;
  init();
}

symPolyTerm() [5/8]

symPolyTerm::symPolyTerm	(	int	a,
		int	b,
		int	c,
		int	d
	)

Definition at line 36 of file symPolyTerm.cpp.

  : _powers(4)
{
  _powers[0] = a;
  _powers[1] = b;
  _powers[2] = c;
  _powers[3] = d;
 init();
}

symPolyTerm() [6/8]

symPolyTerm::symPolyTerm	(	int	a,
		int	b,
		int	c,
		int	d,
		int	e
	)

Definition at line 45 of file symPolyTerm.cpp.

  : _powers(4)
{
  _powers[0] = a;
  _powers[1] = b;
  _powers[2] = c;
  _powers[3] = d;
  _powers[4] = e;
  init();
}

symPolyTerm() [7/8]

symPolyTerm::symPolyTerm	(	int	a,
		int	b,
		int	c,
		int	d,
		int	e,
		int	f
	)

Definition at line 55 of file symPolyTerm.cpp.

  : _powers(4)
{
  _powers[0] = a;
  _powers[1] = b;
  _powers[2] = c;
  _powers[3] = d;
  _powers[4] = e;
  _powers[5] = f;
  init();
}

symPolyTerm() [8/8]

symPolyTerm::symPolyTerm

(

const symPolyTerm &

other

)

Definition at line 67 of file symPolyTerm.cpp.

  : _powers(other._powers)
  , _allPermutations(other._allPermutations)
  , _name(other._name)
{
}

~symPolyTerm()

symPolyTerm::~symPolyTerm ( )

inline

Definition at line 29 of file symPolyTerm.h.

{}

Member Function Documentation

eval() [1/8]

double symPolyTerm::eval	(	double	x,
		double	y
	)		const

Definition at line 136 of file symPolyTerm.cpp.

                                               {
  static std::vector<const double* > ptrs(2);
  ptrs[0] = &x;
  ptrs[1] = &y;
  return eval(ptrs);
}

eval() [2/8]

double symPolyTerm::eval	(	double	x,
		double	y,
		double	z
	)		const

Definition at line 142 of file symPolyTerm.cpp.

                                                         {
  std::vector<const double* > ptrs(3);
  ptrs[0] = &x;
  ptrs[1] = &y;
  ptrs[2] = &z;
  return eval(ptrs);
}

eval() [3/8]

double symPolyTerm::eval	(	double	x,
		double	y,
		double	z,
		double	u
	)		const

Definition at line 149 of file symPolyTerm.cpp.

                             {
  static std::vector<const double* > ptrs(4);
  ptrs[0] = &x;
  ptrs[1] = &y;
  ptrs[2] = &z;
  ptrs[3] = &u;
  return eval(ptrs);
}

eval() [4/8]

double symPolyTerm::eval	(	double	x,
		double	y,
		double	z,
		double	u,
		double	v
	)		const

Definition at line 158 of file symPolyTerm.cpp.

                                       {
  std::vector<const double* > ptrs(5);
  ptrs[0] = &x;
  ptrs[1] = &y;
  ptrs[2] = &z;
  ptrs[3] = &u;
  ptrs[4] = &v;
  return eval(ptrs);
}

eval() [5/8]

double symPolyTerm::eval	(	double	x,
		double	y,
		double	z,
		double	u,
		double	v,
		double	w
	)		const

Definition at line 168 of file symPolyTerm.cpp.

                                                 {
  static std::vector<const double* > ptrs(6);
  ptrs[0] = &x;
  ptrs[1] = &y;
  ptrs[2] = &z;
  ptrs[3] = &u;
  ptrs[4] = &v;
  ptrs[5] = &w;
  return eval(ptrs);
}

eval() [6/8]

double symPolyTerm::eval

(

const std::vector< double > &

x

)

const

Definition at line 180 of file symPolyTerm.cpp.

                                                       {
 if(x.size() != _powers.size()){
    cout << "symPolyTerm::eval: size mismatch|!!!"
     << " me: " << _powers.size() << " vs x: " << x.size()
     << "\n _powers: " << _powers
     << "\n x: " << x
     << endl;
    throw "can't deal with this";
  }

  double sum(0);
  for(unsigned int i = 0; i < _allPermutations.size(); i++){
    const std::vector<int>& thisPerm(_allPermutations[i]);
    double prod(1);
    for(unsigned int j = 0; j < thisPerm.size(); j++){
      prod *= pow((x[j]), thisPerm[j]);
    }
    sum += prod;
  }
  return sum;
}

eval() [7/8]

double symPolyTerm::eval

(

const std::vector< double * > &

x

)

const

Definition at line 202 of file symPolyTerm.cpp.

                                                         {
  if(x.size() != _powers.size()){
    cout << "symPolyTerm::eval: size mismatch|!!!"
     << " me: " << _powers.size() << " vs x: " << x.size()
     << "\n _powers: " << _powers
     << "\n x: " << x
     << endl;
    throw "can't deal with this";
  }

  double sum(0);
  for(unsigned int i = 0; i < _allPermutations.size(); i++){
    const std::vector<int>& thisPerm(_allPermutations[i]);
    double prod(1);
    for(unsigned int j = 0; j < thisPerm.size(); j++){
      prod *= pow((*(x[j])), thisPerm[j]);
    }
    sum += prod;
  }
  return sum;
}

eval() [8/8]

double symPolyTerm::eval

(

const std::vector< const double * > &

x

)

const

Definition at line 224 of file symPolyTerm.cpp.

                                                               {
  if(x.size() != _powers.size()){
    cout << "symPolyTerm::eval: size mismatch|!!!"
     << " me: " << _powers.size() << " vs x: " << x.size()
     << "\n _powers: " << _powers
     << "\n x: " << x
     << endl;
    throw "can't deal with this";
  }

  double sum(0);
  for(unsigned int i = 0; i < _allPermutations.size(); i++){
    const std::vector<int>& thisPerm(_allPermutations[i]);
    double prod(1);
    for(unsigned int j = 0; j < thisPerm.size(); j++){
      prod *= pow((*(x[j])), thisPerm[j]);
    }
    sum += prod;
  }
  return sum;
}

init()

bool symPolyTerm::init ( )

private

Definition at line 74 of file symPolyTerm.cpp.

                      {
  makeName();
  makeAllPermutations();
  return true;
}

makeAllPermutations()

void symPolyTerm::makeAllPermutations ( )

private

Definition at line 87 of file symPolyTerm.cpp.

                                     {

  _allPermutations.clear();
  _allPermutations.push_back(_powers);

  for(unsigned int i=0; i < _powers.size()-1; i++){
    for(unsigned int j=i+1; j < _powers.size(); j++){
      unsigned int n = _allPermutations.size();
      for(unsigned int k = 0; k < n; k++){
    std::vector<int> ptemp( _allPermutations[k] );
    swap(ptemp[i],ptemp[j]);
    _allPermutations.push_back(ptemp);
      }
    }
  }

  sort(_allPermutations.begin(), _allPermutations.end());

  std::vector< std::vector<int> >::iterator
    lastUnique = unique(_allPermutations.begin(), _allPermutations.end());

  _allPermutations.erase(lastUnique, _allPermutations.end());

  return;
}

makeName()

void symPolyTerm::makeName ( )

private

Definition at line 80 of file symPolyTerm.cpp.

                          {
  _name = "";
  for(unsigned int i=0; i < _powers.size(); i++){
    _name += anythingToString(_powers[i]);
  }
}

name()

const std::string& symPolyTerm::name ( ) const

inline

Definition at line 45 of file symPolyTerm.h.

{return _name;}

print()

void symPolyTerm::print

(

std::ostream &

os = std::cout

)

const

Definition at line 114 of file symPolyTerm.cpp.

                                          {
  bool firstTerm(true);

  //  os << " P(x_j; " << name() << " ) = ";
  for(unsigned int i = 0; i < _allPermutations.size(); i++){
    if(! firstTerm ) os << " + ";
    const std::vector<int>& thisPerm(_allPermutations[i]);
    double thisSum=0;
    for(unsigned int j = 0; j < thisPerm.size(); j++){
      thisSum += thisPerm[j];
      if(0 == j) os << " ";
      if(0 != thisPerm[j]){
    os << "x_" << j;
    if(1 != thisPerm[j]) os << "^" << thisPerm[j];
    os << " ";
    firstTerm = false;
      }
    }
    if(0 == thisSum) os << "1 ";
  }
}

Member Data Documentation

_allPermutations

std::vector< std::vector<int> > symPolyTerm::_allPermutations

private

Definition at line 10 of file symPolyTerm.h.

_name

std::string symPolyTerm::_name

private

Definition at line 12 of file symPolyTerm.h.

_powers

std::vector<int> symPolyTerm::_powers

private

Definition at line 8 of file symPolyTerm.h.

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

• Mint/symPolyTerm.h
• src/Mojito/Efficiencies/symPolyTerm.cpp