IsoSpec::IsoOrderedGenerator(3) | Library Functions Manual | IsoSpec::IsoOrderedGenerator(3) |
NAME¶
IsoSpec::IsoOrderedGenerator - The generator of isotopologues sorted by their probability of occurrence.
SYNOPSIS¶
#include <isoSpec++.h>
Inherits IsoSpec::IsoGenerator.
Public Member Functions¶
IsoOrderedGenerator (const IsoOrderedGenerator
&other)=delete
IsoOrderedGenerator & operator= (const
IsoOrderedGenerator &other)=delete
bool advanceToNextConfiguration () override final
Advance to the next, not yet visited, most probable isotopologue. void
get_conf_signature (int *space) const override final
Save the counts of isotopes in the space. IsoOrderedGenerator
(Iso &&iso, int _tabSize=1000, int _hashSize=1000)
The move-contstructor. virtual ~IsoOrderedGenerator ()
Destructor.
Public Member Functions inherited from
IsoSpec::IsoGenerator
virtual double lprob () const
Get the log-probability of the current isotopologue. virtual double
mass () const
Get the mass of the current isotopologue. virtual double prob () const
Get the probability of the current isotopologue. IsoGenerator
(Iso &&iso, bool alloc_partials=true)
Move constructor. virtual ~IsoGenerator ()
Destructor.
Public Member Functions inherited from IsoSpec::Iso
Iso (int _dimNumber, const int *_isotopeNumbers, const int
*_atomCounts, const double *_isotopeMasses, const double
*_isotopeProbabilities)
General constructror. Iso (int _dimNumber, const int *_isotopeNumbers,
const int *_atomCounts, const double *const *_isotopeMasses, const double
*const *_isotopeProbabilities)
Iso (const char *formula, bool use_nominal_masses=false)
Constructor from the formula object. Iso (const std::string
&formula, bool use_nominal_masses=false)
Constructor from C++ std::string chemical formula. Iso (Iso
&&other)
The move constructor. Iso & operator= (const Iso
&other)=delete
Iso (const Iso &other, bool fullcopy)
The copy constructor. virtual ~Iso ()
Destructor. double getLightestPeakMass () const
Get the mass of the lightest peak in the isotopic distribution. double
getHeaviestPeakMass () const
Get the mass of the heaviest peak in the isotopic distribution. double
getMonoisotopicPeakMass () const
double getModeLProb () const
Get the log-probability of the mode-configuration (if there are many modes,
they share this value). double getUnlikeliestPeakLProb () const
Get the logprobability of the least probable subisotopologue. double
getModeMass () const
Get the mass of the mode-configuration (if there are many modes, it is
undefined which one will be selected). double
getTheoreticalAverageMass () const
Get the theoretical average mass of the molecule. double variance ()
const
Get the theoretical variance of the distribution. double stddev ()
const
Get the standard deviation of the theoretical distribution. int
getDimNumber () const
Get the number of elements in the chemical formula of the molecule. int
getAllDim () const
Get the total number of isotopes of elements present in a chemical formula.
void addElement (int atomCount, int noIsotopes, const double
*isotopeMasses, const double *isotopeProbabilities)
Add an element to the molecule. Note: this method can only be used BEFORE
Iso is used to construct an IsoGenerator instance. void
saveMarginalLogSizeEstimates (double *priorities, double
target_total_prob) const
Save estimates of logarithms of target sizes of marginals using Gaussian
approximation into argument array. Array priorities must have length equal
to dimNumber.
Additional Inherited Members¶
Static Public Member Functions inherited from IsoSpec::Iso
static Iso FromFASTA (const char *fasta, bool
use_nominal_masses=false, bool add_water=true)
Constructor (named) from aminoacid FASTA sequence as C string. static
Iso FromFASTA (const std::string &fasta, bool
use_nominal_masses=false, bool add_water=true)
Constructor (named) from aminoacid FASTA sequence as C++ std::string. See
above for details.
Public Attributes inherited from IsoSpec::IsoGenerator
const double mode_lprob
Protected Member Functions inherited from IsoSpec::Iso
bool doMarginalsNeedSorting () const
Protected Attributes inherited from IsoSpec::IsoGenerator
double * partialLProbs
double * partialMasses
double * partialProbs
Protected Attributes inherited from IsoSpec::Iso
int dimNumber
int * isotopeNumbers
int * atomCounts
unsigned int confSize
int allDim
Marginal ** marginals
Detailed Description¶
The generator of isotopologues sorted by their probability of occurrence.
The subsequent isotopologues are generated with diminishing probability, starting from the mode. This algorithm take O(N*log(N)) to compute the N isotopologues because of using the Priority Queue data structure. Obtaining the N isotopologues can be achieved in O(N) if they are not required to be spit out in the descending order.
Definition at line 236 of file isoSpec++.h.
Constructor & Destructor Documentation¶
IsoSpec::IsoOrderedGenerator::IsoOrderedGenerator (Iso && iso, int _tabSize = 1000, int _hashSize = 1000)¶
The move-contstructor.
Definition at line 814 of file isoSpec++.cpp.
IsoSpec::IsoOrderedGenerator::~IsoOrderedGenerator () [virtual]¶
Destructor.
Definition at line 855 of file isoSpec++.cpp.
Member Function Documentation¶
bool IsoSpec::IsoOrderedGenerator::advanceToNextConfiguration () [final], [override], [virtual]¶
Advance to the next, not yet visited, most probable isotopologue.
Returns
Implements IsoSpec::IsoGenerator.
Definition at line 867 of file isoSpec++.cpp.
void IsoSpec::IsoOrderedGenerator::get_conf_signature (int * space) const [inline], [final], [override], [virtual]¶
Save the counts of isotopes in the space.
Parameters
Implements IsoSpec::IsoGenerator.
Definition at line 262 of file isoSpec++.h.
Author¶
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Version 2.2.1 | IsoSpec |