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JTOOLS::JHenyeyGreenstein Class Referenceabstract

Numerical integrator for W(x) = (1 + g^2 - 2gx)^a. More...

#include <JQuadrature.hh>

Inheritance diagram for JTOOLS::JHenyeyGreenstein:
JTOOLS::JQuadrature JTOOLS::JCollection< JElement2D_t > std::vector< JElement_t, JAllocator_t > JTOOLS::JMappableCollection< JKey_t, JValue_t > JTOOLS::JAbstractCollection< JAbscissa_t > JMATH::JMath< JFirst_t, JSecond_t >

Public Types

typedef JElement2D_t::abscissa_type abscissa_type
 
typedef JElement2D_t::ordinate_type ordinate_type
 
typedef JElement2D_t value_type
 
typedef JDistance< typename
JElement2D_t::abscissa_type
distance_type
 
typedef JCollection
< JElement2D_t, JDistance
< typename
JElement2D_t::abscissa_type > > 
collection_type
 
typedef std::vector< value_typecontainer_type
 
typedef
container_type::const_iterator 
const_iterator
 
typedef
container_type::const_reverse_iterator 
const_reverse_iterator
 
typedef container_type::iterator iterator
 
typedef
container_type::reverse_iterator 
reverse_iterator
 
typedef
JCollectionElementTransformer
< value_type
transformer_type
 
typedef std::pair
< const_iterator, bool > 
pair_type
 
typedef JKey_t key_type
 
typedef JValue_t mapped_type
 

Public Member Functions

 JHenyeyGreenstein (const int n, const double g, const double a)
 Constructor. More...
 
 JHenyeyGreenstein (const int n, const double g, const double a, const double xmin, const double xmax)
 Constructor. More...
 
 JHenyeyGreenstein (const int n, const double g)
 Constructor for special case where a = -1. More...
 
virtual void clear ()
 Clear. More...
 
virtual ordinate_typeget (typename JClass< abscissa_type >::argument_type x)
 Get ordinate value. More...
 
virtual mapped_typeget (typename JClass< key_type >::argument_type key)=0
 Get mapped value. More...
 
virtual int getSize () const
 Get number of elements. More...
 
virtual abscissa_type getX (int index) const
 Get abscissa value. More...
 
virtual abscissa_type getXmin () const
 Get minimal abscissa value. More...
 
virtual abscissa_type getXmax () const
 Get maximal abscissa value. More...
 
const ordinate_typegetY (int index) const
 Get ordinate value. More...
 
ordinate_typegetY (int index)
 Get ordinate value. More...
 
void transform (const transformer_type &transformer)
 Transform collection. More...
 
void sort ()
 Sort elements. More...
 
const_iterator lower_bound (typename JClass< abscissa_type >::argument_type x) const
 Get first position of element i, where x >= i->getX(). More...
 
iterator lower_bound (typename JClass< abscissa_type >::argument_type x)
 Get first position of element i, where x >= i->getX(). More...
 
pair_type insert (const value_type &element)
 Insert element. More...
 
void configure (const JAbstractCollection< abscissa_type > &bounds)
 Configure collection. More...
 
void configure (const JAbstractCollection< abscissa_type > &bounds, typename JClass< ordinate_type >::argument_type value)
 Configure collection. More...
 
void configure (const JAbstractCollection< abscissa_type > &bounds, const JFunction1D_t &function)
 Configure collection. More...
 
bool is_compatible (const JCollection &collection) const
 Test whether collections are compatible. More...
 
JCollectionnegate ()
 Negate collection. More...
 
JCollectionadd (const JCollection &collection)
 Add collection. More...
 
JCollectionadd (typename JClass< ordinate_type >::argument_type value)
 Add offset. More...
 
JCollectionadd (const JFunction1D_t &function)
 Add function. More...
 
JCollectionsub (const JCollection &collection)
 Subtract collection. More...
 
JCollectionsub (typename JClass< ordinate_type >::argument_type value)
 Subtract offset. More...
 
JCollectionsub (const JFunction1D_t &function)
 Subtract function. More...
 
JCollectionmul (const double value)
 Scale contents. More...
 
JFirst_t & mul (const JSecond_t &object)
 Multiply with object. More...
 
JCollectiondiv (const double value)
 Scale contents. More...
 
const JComparatorgetComparator () const
 Get comparator. More...
 
mapped_typeoperator[] (typename JClass< key_type >::argument_type key)
 Get mapped value. More...
 
void put (typename JClass< key_type >::argument_type key, typename JClass< mapped_type >::argument_type value)
 Put pair-wise element (key,value) into collection. More...
 
bool is_equal (const JAbstractCollection &collection) const
 Test whether abstract collections are equal. More...
 

Public Attributes

JDistance< typename
JElement2D_t::abscissa_type
getDistance
 Function object for distance evaluation. More...
 

Protected Member Functions

void resize (typename container_type::size_type size)
 Resize collection. More...
 

Protected Attributes

JComparator compare
 Function object for comparison. More...
 

Detailed Description

Numerical integrator for W(x) = (1 + g^2 - 2gx)^a.

For this, g > 0.

Henyey-Greenstein integration points and weights.

Definition at line 341 of file JQuadrature.hh.

Member Typedef Documentation

Definition at line 80 of file JCollection.hh.

Definition at line 81 of file JCollection.hh.

Definition at line 82 of file JCollection.hh.

Definition at line 83 of file JCollection.hh.

Definition at line 85 of file JCollection.hh.

Definition at line 87 of file JCollection.hh.

typedef container_type::const_iterator JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::const_iterator
inherited

Definition at line 89 of file JCollection.hh.

typedef container_type::const_reverse_iterator JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::const_reverse_iterator
inherited

Definition at line 90 of file JCollection.hh.

typedef container_type::iterator JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::iterator
inherited

Definition at line 91 of file JCollection.hh.

typedef container_type::reverse_iterator JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::reverse_iterator
inherited

Definition at line 92 of file JCollection.hh.

Definition at line 94 of file JCollection.hh.

Definition at line 95 of file JCollection.hh.

template<class JKey_t, class JValue_t>
typedef JKey_t JTOOLS::JMappableCollection< JKey_t, JValue_t >::key_type
inherited

Definition at line 33 of file JMappableCollection.hh.

template<class JKey_t, class JValue_t>
typedef JValue_t JTOOLS::JMappableCollection< JKey_t, JValue_t >::mapped_type
inherited

Definition at line 34 of file JMappableCollection.hh.

Constructor & Destructor Documentation

JTOOLS::JHenyeyGreenstein::JHenyeyGreenstein ( const int  n,
const double  g,
const double  a 
)
inline

Constructor.

Parameters
nnumber of points
gangular dependence parameter
apower

Definition at line 352 of file JQuadrature.hh.

354  :
355  JQuadrature()
356  {
357  const double b = -2*g * (a + 1.0);
358  const double ai = 1.0 / (a + 1.0);
359 
360  const double ymin = pow(1.0 + g, 2*(a + 1.0)) / b;
361  const double ymax = pow(1.0 - g, 2*(a + 1.0)) / b;
362 
363  const double dy = (ymax - ymin) / (n + 1);
364 
365  for (double y = ymax - 0.5*dy; y > ymin; y -= dy) {
366 
367  const double v = y*b;
368  const double w = pow(v, ai);
369  const double x = (1.0 + g*g - w) / (2*g);
370  const double dx = pow(v, -a*ai)*dy;
371 
372  insert(JElement2D_t(x,dx));
373  }
374  }
JQuadrature()
Default constructor.
Definition: JQuadrature.hh:46
JElement2D< double, double > JElement2D_t
Type definition of basic element for quadratures.
Definition: JQuadrature.hh:27
pair_type insert(const value_type &element)
Insert element.
Definition: JCollection.hh:298
JTOOLS::JHenyeyGreenstein::JHenyeyGreenstein ( const int  n,
const double  g,
const double  a,
const double  xmin,
const double  xmax 
)
inline

Constructor.

Parameters
nnumber of points
gangular dependence parameter
apower
xminminimal value
xmaxmaximal value

Definition at line 386 of file JQuadrature.hh.

390  :
391  JQuadrature()
392  {
393  const double b = -2*g * (a + 1.0);
394  const double ai = 1.0 / (a + 1.0);
395 
396  const double ymin = pow(1.0 + g*g -2*g*xmin, a + 1.0) / b;
397  const double ymax = pow(1.0 + g*g -2*g*xmax, a + 1.0) / b;
398 
399  const double dy = (ymax - ymin) / (n + 1);
400 
401  for (double y = ymax - 0.5*dy; y > ymin; y -= dy) {
402 
403  const double v = y*b;
404  const double w = pow(v, ai);
405  const double x = (1.0 + g*g - w) / (2*g);
406  const double dx = pow(v, -a*ai)*dy;
407 
408  insert(JElement2D_t(x,dx));
409  }
410  }
JQuadrature()
Default constructor.
Definition: JQuadrature.hh:46
JElement2D< double, double > JElement2D_t
Type definition of basic element for quadratures.
Definition: JQuadrature.hh:27
pair_type insert(const value_type &element)
Insert element.
Definition: JCollection.hh:298
JTOOLS::JHenyeyGreenstein::JHenyeyGreenstein ( const int  n,
const double  g 
)
inline

Constructor for special case where a = -1.

Parameters
nnumber of points
gangular dependence parameter

Definition at line 419 of file JQuadrature.hh.

420  :
421  JQuadrature()
422  {
423  const double dy = 1.0 / (n + 1);
424  const double gi = log((1.0 + g*g) / (1.0 - g*g)) / (2.0*g);
425 
426  for (double y = 1.0 - 0.5*dy; y > 0.0; y -= dy) {
427 
428  const double v = -y*2.0*g*gi + log(1.0 + g*g);
429  const double w = exp(v);
430  const double x = (1.0 + g*g - w) / (2.0*g);
431  const double dx = w*gi*dy;
432 
433  insert(JElement2D_t(x,dx));
434  }
435  }
JQuadrature()
Default constructor.
Definition: JQuadrature.hh:46
JElement2D< double, double > JElement2D_t
Type definition of basic element for quadratures.
Definition: JQuadrature.hh:27
pair_type insert(const value_type &element)
Insert element.
Definition: JCollection.hh:298

Member Function Documentation

virtual void JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::clear ( )
inlinevirtualinherited

Clear.

Implements JTOOLS::JMappableCollection< JKey_t, JValue_t >.

Definition at line 148 of file JCollection.hh.

149  {
150  container_type::clear();
151  }
virtual ordinate_type& JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::get ( typename JClass< abscissa_type >::argument_type  x)
inlinevirtualinherited

Get ordinate value.

Parameters
xabscissa value
Returns
ordinate value

Definition at line 160 of file JCollection.hh.

161  {
162  iterator i = this->lower_bound(x);
163 
164  if (i == this->end() || this->getDistance(x, i->getX()) > 0.0) {
165  i = container_type::insert(i, value_type(x, ordinate_type()));
166  }
167 
168  return i->getY();
169  }
JDistance< typename JElement2D_t::abscissa_type > getDistance
Function object for distance evaluation.
Definition: JCollection.hh:754
const_iterator lower_bound(typename JClass< abscissa_type >::argument_type x) const
Get first position of element i, where x &gt;= i-&gt;getX().
Definition: JCollection.hh:274
container_type::iterator iterator
Definition: JCollection.hh:91
JElement2D_t::ordinate_type ordinate_type
Definition: JCollection.hh:81
template<class JKey_t, class JValue_t>
virtual mapped_type& JTOOLS::JMappableCollection< JKey_t, JValue_t >::get ( typename JClass< key_type >::argument_type  key)
pure virtualinherited
virtual int JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::getSize ( ) const
inlinevirtualinherited

Get number of elements.

Returns
number of elements

Implements JTOOLS::JAbstractCollection< JAbscissa_t >.

Definition at line 177 of file JCollection.hh.

178  {
179  return (int) this->size();
180  }
virtual abscissa_type JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::getX ( int  index) const
inlinevirtualinherited

Get abscissa value.

Parameters
indexindex
Returns
abscissa value

Implements JTOOLS::JAbstractCollection< JAbscissa_t >.

Definition at line 189 of file JCollection.hh.

190  {
191  return this->at(index).getX();
192  }
virtual abscissa_type JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::getXmin ( ) const
inlinevirtualinherited

Get minimal abscissa value.

Returns
abscissa value

Implements JTOOLS::JAbstractCollection< JAbscissa_t >.

Definition at line 200 of file JCollection.hh.

201  {
202  return this->begin()->getX();
203  }
virtual abscissa_type JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::getXmax ( ) const
inlinevirtualinherited

Get maximal abscissa value.

Returns
abscissa value

Implements JTOOLS::JAbstractCollection< JAbscissa_t >.

Definition at line 211 of file JCollection.hh.

212  {
213  return this->rbegin()->getX();
214  }
const ordinate_type& JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::getY ( int  index) const
inlineinherited

Get ordinate value.

Parameters
indexindex
Returns
ordinate value

Definition at line 224 of file JCollection.hh.

225  {
226  return this->at(index).getY();
227  }
ordinate_type& JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::getY ( int  index)
inlineinherited

Get ordinate value.

Parameters
indexindex
Returns
ordinate value

Definition at line 236 of file JCollection.hh.

237  {
238  return this->at(index).getY();
239  }
void JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::transform ( const transformer_type transformer)
inlineinherited

Transform collection.

Parameters
transformerelement transformer

Definition at line 247 of file JCollection.hh.

248  {
249  collection_type buffer;
250 
251  this->swap(buffer);
252 
253  for (const_iterator i = buffer.begin(); i != buffer.end(); ++i) {
254  this->insert(transformer(*i));
255  }
256  }
JCollection< JElement2D_t, JDistance< typename JElement2D_t::abscissa_type > > collection_type
Definition: JCollection.hh:85
container_type::const_iterator const_iterator
Definition: JCollection.hh:89
pair_type insert(const value_type &element)
Insert element.
Definition: JCollection.hh:298
void JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::sort ( )
inlineinherited

Sort elements.

Definition at line 262 of file JCollection.hh.

263  {
264  std::sort(this->begin(), this->end(), compare);
265  }
JComparator compare
Function object for comparison.
Definition: JCollection.hh:761
const_iterator JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::lower_bound ( typename JClass< abscissa_type >::argument_type  x) const
inlineinherited

Get first position of element i, where x >= i->getX().

Parameters
xabscissa value
Returns
position of corresponding element

Definition at line 274 of file JCollection.hh.

275  {
276  return std::lower_bound(this->begin(), this->end(), x, compare);
277  }
JComparator compare
Function object for comparison.
Definition: JCollection.hh:761
iterator JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::lower_bound ( typename JClass< abscissa_type >::argument_type  x)
inlineinherited

Get first position of element i, where x >= i->getX().

Parameters
xabscissa value
Returns
position of corresponding element

Definition at line 286 of file JCollection.hh.

287  {
288  return std::lower_bound(this->begin(), this->end(), x, compare);
289  }
JComparator compare
Function object for comparison.
Definition: JCollection.hh:761
pair_type JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::insert ( const value_type element)
inlineinherited

Insert element.

Parameters
elementelement
Returns
(iterator, status), where status is true if inserted; else false

Definition at line 298 of file JCollection.hh.

299  {
300  iterator i = this->lower_bound(element.getX());
301 
302  if (i == this->end() || this->getDistance(element.getX(), i->getX()) > 0.0)
303  return pair_type(container_type::insert(i, element), true);
304  else
305  return pair_type(this->end(), false);
306  }
std::pair< const_iterator, bool > pair_type
Definition: JCollection.hh:95
JDistance< typename JElement2D_t::abscissa_type > getDistance
Function object for distance evaluation.
Definition: JCollection.hh:754
const_iterator lower_bound(typename JClass< abscissa_type >::argument_type x) const
Get first position of element i, where x &gt;= i-&gt;getX().
Definition: JCollection.hh:274
container_type::iterator iterator
Definition: JCollection.hh:91
void JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::configure ( const JAbstractCollection< abscissa_type > &  bounds)
inlineinherited

Configure collection.

Parameters
boundsabscissa values

Definition at line 314 of file JCollection.hh.

315  {
316  configure(bounds, JMATH::getZero<ordinate_type>());
317  }
void configure(const JAbstractCollection< abscissa_type > &bounds)
Configure collection.
Definition: JCollection.hh:314
void JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::configure ( const JAbstractCollection< abscissa_type > &  bounds,
typename JClass< ordinate_type >::argument_type  value 
)
inlineinherited

Configure collection.

Parameters
boundsabscissa values
valueordinate value

Definition at line 326 of file JCollection.hh.

328  {
329  this->resize(bounds.getSize());
330 
331  for (iterator i = this->begin(); i != this->end(); ++i) {
332 
333  const abscissa_type x = bounds.getX(std::distance(this->begin(),i));
334 
335  *i = value_type(x,value);
336  }
337  }
void resize(typename container_type::size_type size)
Resize collection.
Definition: JCollection.hh:769
JElement2D_t::abscissa_type abscissa_type
Definition: JCollection.hh:80
container_type::iterator iterator
Definition: JCollection.hh:91
virtual abscissa_type getX(int index) const =0
Get abscissa value.
virtual int getSize() const =0
Get number of elements.
void JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::configure ( const JAbstractCollection< abscissa_type > &  bounds,
const JFunction1D_t &  function 
)
inlineinherited

Configure collection.

Parameters
boundsabscissa values
functionfunction

Definition at line 347 of file JCollection.hh.

349  {
350  using namespace JLANG;
351 
352  collection_type* out = (is_identical(*this, function) ? new collection_type() : this);
353 
354  for (int i = 0; i != bounds.getSize(); ++i) {
355 
356  const abscissa_type x = bounds.getX(i);
357 
358  out->put(x, function(x));
359  }
360 
361  if (is_identical(*this, function)) {
362 
363  this->swap(*out);
364 
365  delete out;
366  }
367  }
JCollection< JElement2D_t, JDistance< typename JElement2D_t::abscissa_type > > collection_type
Definition: JCollection.hh:85
JElement2D_t::abscissa_type abscissa_type
Definition: JCollection.hh:80
bool is_identical(JFirst_t &first, JSecond_t &second)
Check if two objects are indentical.
Definition: JLangToolkit.hh:46
virtual abscissa_type getX(int index) const =0
Get abscissa value.
virtual int getSize() const =0
Get number of elements.
bool JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::is_compatible ( const JCollection< JElement2D_t > &  collection) const
inlineinherited

Test whether collections are compatible.

Parameters
collectioncollection
Returns
true if collections are compatible; else false

Definition at line 376 of file JCollection.hh.

377  {
378  if (this->empty() || collection.empty()) {
379 
380  return true;
381 
382  } else {
383 
384  const double precision = JDistance<abscissa_type>::precision;
385 
386  const_iterator p = this->begin();
387  const_iterator q = collection.begin();
388 
389  if (getDistance(p->getX(), q->getX()) > precision) {
390 
391  do {
392  ++p;
393  } while (p != this->end() && getDistance(p->getX(), q->getX()) > precision);
394 
395  } else if (getDistance(q->getX(), p->getX()) > precision) {
396 
397  do {
398  ++q;
399  } while (q != collection.end() && getDistance(q->getX(), p->getX()) > precision);
400  }
401 
402  for ( ; p != this->end() && q != collection.end(); ++p, ++q) {
403  if (fabs(getDistance(p->getX(), q->getX())) > precision) {
404  return false;
405  }
406  }
407 
408  return true;
409  }
410  }
Template class for distance evaluation.
Definition: JDistance.hh:24
JDistance< typename JElement2D_t::abscissa_type > getDistance
Function object for distance evaluation.
Definition: JCollection.hh:754
container_type::const_iterator const_iterator
Definition: JCollection.hh:89
JCollection& JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::negate ( )
inlineinherited

Negate collection.

Returns
this collection

Definition at line 418 of file JCollection.hh.

419  {
420  for (iterator i = this->begin(); i != this->end(); ++i) {
421  i->getY() = -i->getY();
422  }
423 
424  return *this;
425  }
container_type::iterator iterator
Definition: JCollection.hh:91
JCollection& JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::add ( const JCollection< JElement2D_t > &  collection)
inlineinherited

Add collection.

Parameters
collectioncollection
Returns
this collection

Definition at line 434 of file JCollection.hh.

435  {
436  if (!collection.empty()) {
437 
438  if (this->empty()) {
439 
440  for (const_iterator i = collection.begin(); i != collection.end(); ++i) {
441  this->put(i->getX(), +i->getY());
442  }
443 
444  } else if (this->is_compatible(collection)) {
445 
446  const double precision = JDistance<abscissa_type>::precision;
447 
448  iterator p = this->begin();
449  const_iterator q = collection.begin();
450 
451  if (getDistance(p->getX(), q->getX()) > precision) {
452 
453  do {
454  ++p;
455  } while (p != this->end() && getDistance(p->getX(), q->getX()) > precision);
456 
457  } else if (getDistance(q->getX(), p->getX()) > precision) {
458 
459  do {
460  ++q;
461  } while (q != collection.end() && getDistance(q->getX(), p->getX()) > precision);
462  }
463 
464  const_iterator i = q;
465 
466  for ( ; p != this->end() && i != collection.end(); ++p, ++i) {
467  p->getY() += i->getY();
468  }
469 
470  for ( ; i != collection.end(); ++i) {
471  this->put(i->getX(), +i->getY());
472  }
473 
474  for (i = collection.begin(); i != q; ++i) {
475  this->put(i->getX(), +i->getY());
476  }
477  }
478  }
479 
480  return *this;
481  }
Template class for distance evaluation.
Definition: JDistance.hh:24
JDistance< typename JElement2D_t::abscissa_type > getDistance
Function object for distance evaluation.
Definition: JCollection.hh:754
bool is_compatible(const JCollection &collection) const
Test whether collections are compatible.
Definition: JCollection.hh:376
container_type::iterator iterator
Definition: JCollection.hh:91
void put(typename JClass< key_type >::argument_type key, typename JClass< mapped_type >::argument_type value)
Put pair-wise element (key,value) into collection.
container_type::const_iterator const_iterator
Definition: JCollection.hh:89
JCollection& JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::add ( typename JClass< ordinate_type >::argument_type  value)
inlineinherited

Add offset.

Parameters
valueoffset
Returns
this collection

Definition at line 582 of file JCollection.hh.

583  {
584  for (iterator i = this->begin(); i != this->end(); ++i) {
585  i->getY() += value;
586  }
587 
588  return *this;
589  }
container_type::iterator iterator
Definition: JCollection.hh:91
JCollection& JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::add ( const JFunction1D_t &  function)
inlineinherited

Add function.

Parameters
functionfunction
Returns
this collection

Definition at line 615 of file JCollection.hh.

616  {
617  for (iterator i = this->begin(); i != this->end(); ++i) {
618  i->getY() += function(i->getX());
619  }
620 
621  return *this;
622  }
container_type::iterator iterator
Definition: JCollection.hh:91
JCollection& JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::sub ( const JCollection< JElement2D_t > &  collection)
inlineinherited

Subtract collection.

Parameters
collectioncollection
Returns
this collection

Definition at line 490 of file JCollection.hh.

491  {
492  if (!collection.empty()) {
493 
494  if (this->empty()) {
495 
496  for (const_iterator i = collection.begin(); i != collection.end(); ++i) {
497  this->put(i->getX(), -i->getY());
498  }
499 
500  } else if (this->is_compatible(collection)) {
501 
502  const double precision = JDistance<abscissa_type>::precision;
503 
504  iterator p = this->begin();
505  const_iterator q = collection.begin();
506 
507  if (getDistance(p->getX(), q->getX()) > precision) {
508 
509  do {
510  ++p;
511  } while (p != this->end() && getDistance(p->getX(), q->getX()) > precision);
512 
513  } else if (getDistance(q->getX(), p->getX()) > precision) {
514 
515  do {
516  ++q;
517  } while (q != collection.end() && getDistance(q->getX(), p->getX()) > precision);
518  }
519 
520  const_iterator i = q;
521 
522  for ( ; p != this->end() && i != collection.end(); ++p, ++i) {
523  p->getY() -= i->getY();
524  }
525 
526  for ( ; i != collection.end(); ++i) {
527  this->put(i->getX(), -i->getY());
528  }
529 
530  for (i = collection.begin(); i != q; ++i) {
531  this->put(i->getX(), -i->getY());
532  }
533 
534  } else {
535 
536  throw JException("JCollection::add() collections incompatible.");
537  }
538  }
539 
540  return *this;
541  }
General exception.
Definition: JException.hh:40
Template class for distance evaluation.
Definition: JDistance.hh:24
JDistance< typename JElement2D_t::abscissa_type > getDistance
Function object for distance evaluation.
Definition: JCollection.hh:754
bool is_compatible(const JCollection &collection) const
Test whether collections are compatible.
Definition: JCollection.hh:376
container_type::iterator iterator
Definition: JCollection.hh:91
void put(typename JClass< key_type >::argument_type key, typename JClass< mapped_type >::argument_type value)
Put pair-wise element (key,value) into collection.
container_type::const_iterator const_iterator
Definition: JCollection.hh:89
JCollection& JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::sub ( typename JClass< ordinate_type >::argument_type  value)
inlineinherited

Subtract offset.

Parameters
valueoffset
Returns
this collection

Definition at line 598 of file JCollection.hh.

599  {
600  for (iterator i = this->begin(); i != this->end(); ++i) {
601  i->getY() -= value;
602  }
603 
604  return *this;
605  }
container_type::iterator iterator
Definition: JCollection.hh:91
JCollection& JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::sub ( const JFunction1D_t &  function)
inlineinherited

Subtract function.

Parameters
functionfunction
Returns
this collection

Definition at line 632 of file JCollection.hh.

633  {
634  for (iterator i = this->begin(); i != this->end(); ++i) {
635  i->getY() -= function(i->getX());
636  }
637 
638  return *this;
639  }
container_type::iterator iterator
Definition: JCollection.hh:91
JCollection& JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::mul ( const double  value)
inlineinherited

Scale contents.

Parameters
valuemultiplication factor
Returns
this collection

Definition at line 550 of file JCollection.hh.

551  {
552  for (iterator i = this->begin(); i != this->end(); ++i) {
553  i->getY() *= value;
554  }
555 
556  return *this;
557  }
container_type::iterator iterator
Definition: JCollection.hh:91
template<class JFirst_t, class JSecond_t = JNullType>
JFirst_t& JMATH::JMath< JFirst_t, JSecond_t >::mul ( const JSecond_t &  object)
inlineinherited

Multiply with object.

Parameters
objectobject
Returns
result object

Definition at line 273 of file JMath.hh.

274  {
275  return static_cast<JFirst_t&>(*this) = JCalculator<JFirst_t>::calculator.mul(static_cast<const JFirst_t&>(*this), object);
276  }
Auxiliary class for product evaluation of objects.
Definition: JCalculator.hh:18
JCollection& JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::div ( const double  value)
inlineinherited

Scale contents.

Parameters
valuedivision factor
Returns
this collection

Definition at line 566 of file JCollection.hh.

567  {
568  for (iterator i = this->begin(); i != this->end(); ++i) {
569  i->getY() /= value;
570  }
571 
572  return *this;
573  }
container_type::iterator iterator
Definition: JCollection.hh:91
const JComparator& JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::getComparator ( ) const
inlineinherited

Get comparator.

Returns
comparator

Definition at line 745 of file JCollection.hh.

746  {
747  return compare;
748  }
JComparator compare
Function object for comparison.
Definition: JCollection.hh:761
void JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::resize ( typename container_type::size_type  size)
inlineprotectedinherited

Resize collection.

Parameters
sizesize

Definition at line 769 of file JCollection.hh.

770  {
771  container_type::resize(size);
772  }
template<class JKey_t, class JValue_t>
mapped_type& JTOOLS::JMappableCollection< JKey_t, JValue_t >::operator[] ( typename JClass< key_type >::argument_type  key)
inlineinherited

Get mapped value.

Parameters
keykey
Returns
value

Definition at line 64 of file JMappableCollection.hh.

65  {
66  return get(key);
67  }
template<class JKey_t, class JValue_t>
void JTOOLS::JMappableCollection< JKey_t, JValue_t >::put ( typename JClass< key_type >::argument_type  key,
typename JClass< mapped_type >::argument_type  value 
)
inlineinherited

Put pair-wise element (key,value) into collection.

Parameters
keykey
valuevalue

Definition at line 76 of file JMappableCollection.hh.

78  {
79  get(key) = value;
80  }
template<class JAbscissa_t>
bool JTOOLS::JAbstractCollection< JAbscissa_t >::is_equal ( const JAbstractCollection< JAbscissa_t > &  collection) const
inlineinherited

Test whether abstract collections are equal.

Parameters
collectionabstract collection
Returns
true if collections are equals; else false

Definition at line 69 of file JAbstractCollection.hh.

70  {
71  if (this->getSize() == collection.getSize()) {
72 
73  for (int i = 0; i != this->getSize(); ++i) {
74 
75  if (this->getX(i) != collection.getX(i)) {
76  return false;
77  }
78  }
79 
80  return true;
81  }
82 
83  return false;
84  }
virtual abscissa_type getX(int index) const =0
Get abscissa value.
virtual int getSize() const =0
Get number of elements.

Member Data Documentation

Function object for distance evaluation.

Definition at line 754 of file JCollection.hh.

JComparator JTOOLS::JCollection< JElement2D_t , JDistance<typename JElement2D_t ::abscissa_type> >::compare
protectedinherited

Function object for comparison.

Definition at line 761 of file JCollection.hh.


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