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243 lines
13 KiB
243 lines
13 KiB
#include <cmath>
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#include <string>
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#include <algorithm>
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#include "src/storage/dd/CuddDdManager.h"
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#include "src/exceptions/ExceptionMacros.h"
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#include "src/exceptions/InvalidArgumentException.h"
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#include "src/settings/SettingsManager.h"
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namespace storm {
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namespace dd {
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DdManager<DdType::CUDD>::DdManager() : metaVariableMap(), cuddManager(), reorderingTechnique(CUDD_REORDER_NONE) {
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this->cuddManager.SetMaxMemory(static_cast<unsigned long>(storm::settings::SettingsManager::getInstance()->getOptionByLongName("cuddmaxmem").getArgument(0).getValueAsUnsignedInteger() * 1024ul * 1024ul));
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this->cuddManager.SetEpsilon(storm::settings::SettingsManager::getInstance()->getOptionByLongName("cuddprec").getArgument(0).getValueAsDouble());
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// Now set the selected reordering technique.
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std::string const& reorderingTechnique = storm::settings::SettingsManager::getInstance()->getOptionByLongName("reorder").getArgument(0).getValueAsString();
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if (reorderingTechnique == "none") {
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this->reorderingTechnique = CUDD_REORDER_NONE;
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} else if (reorderingTechnique == "random") {
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this->reorderingTechnique = CUDD_REORDER_RANDOM;
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} else if (reorderingTechnique == "randompivot") {
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this->reorderingTechnique = CUDD_REORDER_RANDOM_PIVOT;
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} else if (reorderingTechnique == "sift") {
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this->reorderingTechnique = CUDD_REORDER_SIFT;
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} else if (reorderingTechnique == "siftconv") {
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this->reorderingTechnique = CUDD_REORDER_SIFT_CONVERGE;
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} else if (reorderingTechnique == "ssift") {
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this->reorderingTechnique = CUDD_REORDER_SYMM_SIFT;
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} else if (reorderingTechnique == "ssiftconv") {
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this->reorderingTechnique = CUDD_REORDER_SYMM_SIFT_CONV;
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} else if (reorderingTechnique == "gsift") {
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this->reorderingTechnique = CUDD_REORDER_GROUP_SIFT;
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} else if (reorderingTechnique == "gsiftconv") {
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this->reorderingTechnique = CUDD_REORDER_GROUP_SIFT_CONV;
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} else if (reorderingTechnique == "win2") {
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this->reorderingTechnique = CUDD_REORDER_WINDOW2;
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} else if (reorderingTechnique == "win2conv") {
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this->reorderingTechnique = CUDD_REORDER_WINDOW2_CONV;
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} else if (reorderingTechnique == "win3") {
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this->reorderingTechnique = CUDD_REORDER_WINDOW3;
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} else if (reorderingTechnique == "win3conv") {
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this->reorderingTechnique = CUDD_REORDER_WINDOW3_CONV;
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} else if (reorderingTechnique == "win4") {
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this->reorderingTechnique = CUDD_REORDER_WINDOW4;
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} else if (reorderingTechnique == "win4conv") {
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this->reorderingTechnique = CUDD_REORDER_WINDOW4_CONV;
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} else if (reorderingTechnique == "annealing") {
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this->reorderingTechnique = CUDD_REORDER_ANNEALING;
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} else if (reorderingTechnique == "genetic") {
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this->reorderingTechnique = CUDD_REORDER_GENETIC;
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} else if (reorderingTechnique == "exact") {
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this->reorderingTechnique = CUDD_REORDER_EXACT;
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}
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}
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Dd<DdType::CUDD> DdManager<DdType::CUDD>::getOne() {
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return Dd<DdType::CUDD>(this->shared_from_this(), cuddManager.addOne());
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}
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Dd<DdType::CUDD> DdManager<DdType::CUDD>::getZero() {
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return Dd<DdType::CUDD>(this->shared_from_this(), cuddManager.addZero());
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}
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Dd<DdType::CUDD> DdManager<DdType::CUDD>::getConstant(double value) {
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return Dd<DdType::CUDD>(this->shared_from_this(), cuddManager.constant(value));
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}
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Dd<DdType::CUDD> DdManager<DdType::CUDD>::getEncoding(std::string const& metaVariableName, int_fast64_t value) {
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DdMetaVariable<DdType::CUDD> const& metaVariable = this->getMetaVariable(metaVariableName);
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LOG_THROW(value >= metaVariable.getLow() && value <= metaVariable.getHigh(), storm::exceptions::InvalidArgumentException, "Illegal value " << value << " for meta variable '" << metaVariableName << "'.");
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// Now compute the encoding relative to the low value of the meta variable.
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value -= metaVariable.getLow();
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std::vector<Dd<DdType::CUDD>> const& ddVariables = metaVariable.getDdVariables();
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Dd<DdType::CUDD> result;
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if (value & (1ull << (ddVariables.size() - 1))) {
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result = ddVariables[0];
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} else {
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result = !ddVariables[0];
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}
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for (std::size_t i = 1; i < ddVariables.size(); ++i) {
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if (value & (1ull << (ddVariables.size() - i - 1))) {
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result *= ddVariables[i];
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} else {
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result *= !ddVariables[i];
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}
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}
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return result;
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}
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Dd<DdType::CUDD> DdManager<DdType::CUDD>::getRange(std::string const& metaVariableName) {
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storm::dd::DdMetaVariable<DdType::CUDD> const& metaVariable = this->getMetaVariable(metaVariableName);
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Dd<DdType::CUDD> result = this->getZero();
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for (int_fast64_t value = metaVariable.getLow(); value <= metaVariable.getHigh(); ++value) {
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result.setValue(metaVariableName, value, static_cast<double>(1));
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}
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return result;
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}
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Dd<DdType::CUDD> DdManager<DdType::CUDD>::getIdentity(std::string const& metaVariableName) {
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storm::dd::DdMetaVariable<DdType::CUDD> const& metaVariable = this->getMetaVariable(metaVariableName);
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Dd<DdType::CUDD> result = this->getZero();
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for (int_fast64_t value = metaVariable.getLow(); value <= metaVariable.getHigh(); ++value) {
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result.setValue(metaVariableName, value, static_cast<double>(value));
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}
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return result;
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}
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void DdManager<DdType::CUDD>::addMetaVariable(std::string const& name, int_fast64_t low, int_fast64_t high) {
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// Check whether the variable name is legal.
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LOG_THROW(name != "" && name.back() != '\'', storm::exceptions::InvalidArgumentException, "Illegal name of meta variable: '" << name << "'.");
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// Check whether a meta variable already exists.
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LOG_THROW(!this->hasMetaVariable(name), storm::exceptions::InvalidArgumentException, "A meta variable '" << name << "' already exists.");
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// Check that the range is legal.
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LOG_THROW(high != low, storm::exceptions::InvalidArgumentException, "Range of meta variable must be at least 2 elements.");
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std::size_t numberOfBits = static_cast<std::size_t>(std::ceil(std::log2(high - low + 1)));
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std::vector<Dd<DdType::CUDD>> variables;
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std::vector<Dd<DdType::CUDD>> variablesPrime;
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for (std::size_t i = 0; i < numberOfBits; ++i) {
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variables.emplace_back(Dd<DdType::CUDD>(this->shared_from_this(), cuddManager.addVar(), {name}));
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variablesPrime.emplace_back(Dd<DdType::CUDD>(this->shared_from_this(), cuddManager.addVar(), {name + "'"}));
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}
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// Now group the non-primed and primed variable.
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for (uint_fast64_t i = 0; i < numberOfBits; ++i) {
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this->getCuddManager().MakeTreeNode(variables[i].getCuddAdd().NodeReadIndex(), 2, MTR_FIXED);
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}
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metaVariableMap.emplace(name, DdMetaVariable<DdType::CUDD>(name, low, high, variables, this->shared_from_this()));
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metaVariableMap.emplace(name + "'", DdMetaVariable<DdType::CUDD>(name + "'", low, high, variablesPrime, this->shared_from_this()));
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}
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void DdManager<DdType::CUDD>::addMetaVariable(std::string const& name) {
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// Check whether the variable name is legal.
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LOG_THROW(name != "" && name.back() != '\'', storm::exceptions::InvalidArgumentException, "Illegal name of meta variable: '" << name << "'.");
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// Check whether a meta variable already exists.
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LOG_THROW(!this->hasMetaVariable(name), storm::exceptions::InvalidArgumentException, "A meta variable '" << name << "' already exists.");
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std::vector<Dd<DdType::CUDD>> variables;
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std::vector<Dd<DdType::CUDD>> variablesPrime;
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variables.emplace_back(Dd<DdType::CUDD>(this->shared_from_this(), cuddManager.addVar(), {name}));
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variablesPrime.emplace_back(Dd<DdType::CUDD>(this->shared_from_this(), cuddManager.addVar(), {name + "'"}));
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// Now group the non-primed and primed variable.
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this->getCuddManager().MakeTreeNode(variables.front().getCuddAdd().NodeReadIndex(), 2, MTR_FIXED);
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metaVariableMap.emplace(name, DdMetaVariable<DdType::CUDD>(name, variables, this->shared_from_this()));
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metaVariableMap.emplace(name + "'", DdMetaVariable<DdType::CUDD>(name + "'", variablesPrime, this->shared_from_this()));
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}
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DdMetaVariable<DdType::CUDD> const& DdManager<DdType::CUDD>::getMetaVariable(std::string const& metaVariableName) const {
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auto const& nameVariablePair = metaVariableMap.find(metaVariableName);
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// Check whether the meta variable exists.
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LOG_THROW(nameVariablePair != metaVariableMap.end(), storm::exceptions::InvalidArgumentException, "Unknown meta variable name '" << metaVariableName << "'.");
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return nameVariablePair->second;
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}
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std::set<std::string> DdManager<DdType::CUDD>::getAllMetaVariableNames() const {
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std::set<std::string> result;
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for (auto const& nameValuePair : metaVariableMap) {
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result.insert(nameValuePair.first);
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}
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return result;
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}
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std::size_t DdManager<DdType::CUDD>::getNumberOfMetaVariables() const {
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return this->metaVariableMap.size();
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}
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bool DdManager<DdType::CUDD>::hasMetaVariable(std::string const& metaVariableName) const {
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return this->metaVariableMap.find(metaVariableName) != this->metaVariableMap.end();
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}
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Cudd& DdManager<DdType::CUDD>::getCuddManager() {
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return this->cuddManager;
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}
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Cudd const& DdManager<DdType::CUDD>::getCuddManager() const {
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return this->cuddManager;
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}
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std::vector<std::string> DdManager<DdType::CUDD>::getDdVariableNames() const {
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// First, we initialize a list DD variables and their names.
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std::vector<std::pair<ADD, std::string>> variableNamePairs;
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for (auto const& nameMetaVariablePair : this->metaVariableMap) {
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DdMetaVariable<DdType::CUDD> const& metaVariable = nameMetaVariablePair.second;
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// If the meta variable is of type bool, we don't need to suffix it with the bit number.
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if (metaVariable.getType() == DdMetaVariable<storm::dd::DdType::CUDD>::MetaVariableType::Bool) {
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variableNamePairs.emplace_back(metaVariable.getDdVariables().front().getCuddAdd(), metaVariable.getName());
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} else {
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// For integer-valued meta variables, we, however, have to add the suffix.
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for (uint_fast64_t variableIndex = 0; variableIndex < metaVariable.getNumberOfDdVariables(); ++variableIndex) {
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variableNamePairs.emplace_back(metaVariable.getDdVariables()[variableIndex].getCuddAdd(), metaVariable.getName() + "." + std::to_string(variableIndex));
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}
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}
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}
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// Then, we sort this list according to the indices of the ADDs.
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std::sort(variableNamePairs.begin(), variableNamePairs.end(), [](std::pair<ADD, std::string> const& a, std::pair<ADD, std::string> const& b) { return a.first.NodeReadIndex() < b.first.NodeReadIndex(); });
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// Now, we project the sorted vector to its second component.
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std::vector<std::string> result;
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for (auto const& element : variableNamePairs) {
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result.push_back(element.second);
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}
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return result;
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}
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void DdManager<DdType::CUDD>::allowDynamicReordering(bool value) {
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if (value) {
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this->getCuddManager().AutodynEnable(this->reorderingTechnique);
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} else {
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this->getCuddManager().AutodynDisable();
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}
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}
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bool DdManager<DdType::CUDD>::isDynamicReorderingAllowed() const {
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Cudd_ReorderingType type;
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return this->getCuddManager().ReorderingStatus(&type);
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}
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void DdManager<DdType::CUDD>::triggerReordering() {
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this->getCuddManager().ReduceHeap(this->reorderingTechnique, 0);
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}
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}
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}
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