This example shows how to transform, using filters, a sequence of merit values based on a component-by-component sequence of lattice definitions.
This example shows how to transform, using filters, a sequence of merit values based on a component-by-component sequence of lattice definitions.
#include "latbuilder/CoordUniformFigureOfMerit.h"
#include "latticetester/ProductWeights.h"
#include "latbuilder/Kernel/PAlpha.h"
#include "latbuilder/Kernel/PAlphaTilde.h"
#include "latbuilder/Accumulator.h"
#include "latbuilder/Functor/binary.h"
#include "latbuilder/Storage.h"
#include "latbuilder/MeritFilterList.h"
#include "latbuilder/MeritCombiner.h"
#include "latbuilder/MeritFilter.h"
#include "latbuilder/Norm/Normalizer.h"
#include "latbuilder/Norm/PAlphaSL10.h"
#include "latbuilder/Functor/LowPass.h"
#include "latbuilder/MeritSeq/CoordUniformCBC.h"
#include "latbuilder/MeritSeq/CoordUniformInnerProd.h"
#include "latbuilder/GenSeq/GeneratingValues.h"
#include "latbuilder/GenSeq/Creator.h"
#include "latbuilder/TextStream.h"
#include <iostream>
#include <limits>
using TextStream::operator<<;
template <typename T, typename... ARGS>
std::unique_ptr<T> unique(ARGS&&... args)
{ return std::unique_ptr<T>(new T(std::forward<ARGS>(args)...)); }
template <LatticeType LA, class NORMALIZER>
{}
template <LatticeType LA, class NORMALIZER>
{
sizeParam.maxLevel() + 1,
1.0 / sizeParam.maxLevel()
));
}
template<LatticeType LA>
template<LatticeType LA>
template <LatticeType LA, EmbeddingType L, Compress C>
{
auto weights = unique<LatticeTester::ProductWeights>();
weights->setDefaultWeight(0.7);
std::cout << "figure of merit: " << figure << std::endl;
auto weights = unique<LatticeTester::ProductWeights>();
weights->setDefaultWeight(0.7);
CoordUniformFigureOfMerit<Kernel::PAlphaTilde> figure(std::move(weights), 2);
std::cout << "figure of merit: " << figure << std::endl;
*/
setCombiner(filters);
auto normalizer = unique<Norm::Normalizer<LA, L, Norm::PAlphaSL10>>(
);
setLevelWeights(*normalizer, storage.sizeParam());
filters.add(std::move(normalizer));
filters.add(std::move(lowPass));
std::cout << "filters: " << filters << std::endl;
while (
cbc.baseLat().dimension() < dimension) {
std::cout << "CBC search for dimension: " << (baseDim + 1) << std::endl;
std::cout <<
"base lattice: " << std::endl <<
cbc.baseLat();
std::cout <<
"base merit value: " <<
cbc.baseMerit() << std::endl;
auto meritSeq =
cbc.meritSeq(baseDim == 0 ? genSeq0 : genSeq);
auto filteredSeq = filters.
apply(meritSeq);
auto best = std::min_element(filteredSeq.begin(), filteredSeq.end());
std::cout <<
"BEST LATTICE: " << std::endl <<
cbc.baseLat() <<
"Merit value: " << *best << std::endl;
}
}
int main()
{
SET_PATH_TO_LATNETBUILDER_FOR_EXAMPLES();
test(Storage<LatticeType::POLYNOMIAL, EmbeddingType::UNILEVEL, Compress::NONE>(PolynomialFromInt(115)), dim);
test(Storage<LatticeType::POLYNOMIAL, EmbeddingType::MULTILEVEL, Compress::NONE>(PolynomialFromInt(115)), dim);
*/
return 0;
}
This file contains a global variable PATH_TO_LATNETBUILDER_DIR which should always equal the path to ...
Low pass filter.
Definition LowPass.h:28
Indexed sequence of generating values: -For ordinary lattices: integers coprime with a specified modu...
Definition GeneratingValues.h:48
Functor that sums the merit values of embedded lattices to produce a compound merit value.
Definition MeritCombiner.h:51
List of filters for merit values.
Definition MeritFilterList.h:176
Seq< MERITSEQ > apply(MERITSEQ meritSeq) const
Applies the filters to the input sequence meritSeq of merit values.
Definition MeritFilterList.h:243
Bound on the weighted discrepancy.
Definition PAlphaSL10.h:113
Lattice size parameter.
Definition SizeParam.h:30
Storage policy.
Definition Storage.h:114
CBC< LR, ET, GENSEQ > cbc(LatDef< LR, ET > baseLat, GENSEQ genSeq)
Creates a CBC lattice sequence.
Definition CBC.h:148
CBC< LR, ET, COMPRESS, PLO, PROJDEP, ACC > cbc(Storage< LR, ET, COMPRESS, PLO > storage, const WeightedFigureOfMerit< PROJDEP, ACC > &figure)
Creates a CBC algorithm.
Definition CBC.h:221
LatBuilder namespace.
Definition libtut_lat.dox:17
size_t Dimension
Scalar integer type for dimension.
Definition Types.h:53
boost::numeric::ublas::vector< Real > RealVector
Vector of floating-point values.
Definition Types.h:47
static result_type create(const SizeParam< LR, L > &sizeParam, ARGS &&... t)
Creates a new sequence object.
Definition Creator.h:43
Lattice traits.
Definition Types.h:92