PSCF v1.3.2
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Anderson mixing iterator algorithm using a DArray<double>. More...
#include <AmIteratorDArray.h>
Public Types | |
using | AmTmpl = AmIteratorTmpl<Iterator, DArray<double> > |
Alias for base class template. |
Public Member Functions | |
AmIteratorDArray ()=default | |
Constructor. | |
~AmIteratorDArray ()=default | |
Destructor. | |
Public Member Functions inherited from Pscf::AmIteratorTmpl< Iterator, DArray< double > > | |
AmIteratorTmpl () | |
Constructor. | |
~AmIteratorTmpl () | |
Destructor. | |
virtual void | readParameters (std::istream &in) |
Read all parameters and initialize. | |
int | solve (bool isContinuation=false) |
Iterate to a solution. | |
void | outputTimers (std::ostream &out) const |
Log output timing results. | |
void | clearTimers () |
Clear timers. |
Additional Inherited Members | |
Protected Member Functions inherited from Pscf::AmIteratorTmpl< Iterator, DArray< double > > | |
void | readErrorType (std::istream &in) |
Read and validate the optional errorType string parameter. | |
virtual bool | isValidErrorType () |
Checks if a string is a valid error type. | |
void | readMixingParameters (std::istream &in, bool useLambdaRamp=true) |
Read optional parameters used in default correction algorithm. | |
void | allocateAM () |
Allocate memory required by AM algorithm, if necessary. | |
bool | isAllocatedAM () const |
Have data structures required by the AM algorithm been allocated? | |
virtual void | setup (bool isContinuation) |
Initialize just before entry to iterative loop. | |
virtual void | clear () |
Clear information about history. | |
virtual double | computeError (DArray< double > &residTrial, DArray< double > &stateTrial, std::string errorType, int verbose) |
Compute and return error used to test for convergence. | |
double | computeError (int verbose) |
Compute and return error used to test for convergence. | |
double | lambdaRampFactor () |
Compute ramped prefactor of mixing parameter lambda. | |
virtual double | computeLambda () |
Compute mixing parameter for correction step of Anderson mixing. | |
int | verbose () const |
Verbosity level, allowed values 0, 1, or 2. | |
std::string | errorType () const |
Get error type string. | |
DArray< double > const & | residual () const |
Get the current residual vector by const reference. | |
DArray< double > const & | state () const |
Return the current state vector by const reference. | |
int | totalItr () |
Return the total number of iterations needed to converge. | |
double | timerTotal () |
Get total time. | |
double | timerMDE () |
Get time spent solving the modified diffusion equation (MDE). | |
double | timerAM () |
Get total time for AM algorithm, excluding MDE solution. | |
double | timerResid () |
Get time spent computing residual. | |
double | timerError () |
Get time evaluating scalar error. | |
double | timerCoeff () |
Get time spent evaluating Anderson mixing coefficients. | |
double | timerOmega () |
Get time spent updating w states. | |
Protected Attributes inherited from Pscf::AmIteratorTmpl< Iterator, DArray< double > > | |
double | epsilon_ |
Error tolerance. | |
int | maxItr_ |
Maximum number of iterations to attempt. | |
int | maxHist_ |
Maximum number of basis vectors in AM algorithm. | |
int | verbose_ |
Verbosity level. | |
std::string | errorType_ |
Type of error criterion used to test convergence. |
Anderson mixing iterator algorithm using a DArray<double>.
Definition at line 23 of file AmIteratorDArray.h.
using Pscf::AmIteratorDArray< Iterator >::AmTmpl = AmIteratorTmpl<Iterator, DArray<double> > |
Alias for base class template.
Definition at line 41 of file AmIteratorDArray.h.
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default |
Constructor.
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default |
Destructor.