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refactoring of DetSparseTrans Parser to support parameters in future 

Former-commit-id: cf451cdf61
tempestpy_adaptions
sjunges 11 years ago
parent
32ad2ae1a0
commit
0afb73bba1
4 changed files with 143 additions and 80 deletions
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  1. 168
      src/parser/DeterministicSparseTransitionParser.cpp
  2. 23
      src/parser/DeterministicSparseTransitionParser.h
  3. 24
      src/parser/ReadValues.h
  4. 2
      src/storage/SparseMatrix.cpp

168
src/parser/DeterministicSparseTransitionParser.cpp
View File

@ -21,6 +21,8 @@
#include "src/exceptions/WrongFormatException.h"
#include "src/settings/Settings.h"
#include "ReadValues.h"
#include "log4cplus/logger.h"
#include "log4cplus/loggingmacros.h"
extern log4cplus::Logger logger;
@ -33,8 +35,8 @@ namespace storm {
storm::storage::SparseMatrix<double> DeterministicSparseTransitionParser::parseDeterministicTransitions(std::string const& filename) {
storm::storage::SparseMatrix<double> emptyMatrix;
return DeterministicSparseTransitionParser::parse(filename, false, emptyMatrix);
}
storm::storage::SparseMatrix<double> DeterministicSparseTransitionParser::parseDeterministicTransitionRewards(std::string const& filename, storm::storage::SparseMatrix<double> const & transitionMatrix) {
@ -42,7 +44,8 @@ namespace storm {
return DeterministicSparseTransitionParser::parse(filename, true, transitionMatrix);
}
storm::storage::SparseMatrix<double> DeterministicSparseTransitionParser::parse(std::string const& filename, bool isRewardFile, storm::storage::SparseMatrix<double> const & transitionMatrix) {
template<typename T>
storm::storage::SparseMatrix<T> DeterministicSparseTransitionParser::parse(std::string const& filename, bool isRewardFile, storm::storage::SparseMatrix<T> const & transitionMatrix) {
// Enforce locale where decimal point is '.'.
setlocale(LC_NUMERIC, "C");
@ -67,14 +70,6 @@ namespace storm {
throw storm::exceptions::WrongFormatException();
}
// Perform second pass.
// Skip the format hint if it is there.
buf = trimWhitespaces(buf);
if(buf[0] < '0' || buf[0] > '9') {
buf = forwardToLineEnd(buf);
buf = trimWhitespaces(buf);
}
if(isRewardFile) {
// The reward matrix should match the size of the transition matrix.
@ -86,13 +81,18 @@ namespace storm {
firstPass.highestStateIndex = transitionMatrix.getRowCount() - 1;
}
}
// Perform second pass.
// Skip the format hint if it is there.
buf = skipFormatHint(buf);
// Creating matrix builder here.
// The actual matrix will be build once all contents are inserted.
storm::storage::SparseMatrixBuilder<double> resultMatrix(firstPass.highestStateIndex + 1, firstPass.highestStateIndex + 1, firstPass.numberOfNonzeroEntries);
uint_fast64_t row, col, lastRow = 0;
double val;
uint_fast64_t lastRow = 0;
DeterministicTransitionEntry<double> trans;
bool fixDeadlocks = storm::settings::Settings::getInstance()->isSet("fixDeadlocks");
bool hadDeadlocks = false;
bool rowHadDiagonalEntry = false;
@ -105,84 +105,75 @@ namespace storm {
// Different parsing routines for transition systems and transition rewards.
if(isRewardFile) {
while (buf[0] != '\0') {
// Read next transition.
row = checked_strtol(buf, &buf);
col = checked_strtol(buf, &buf);
val = checked_strtod(buf, &buf);
resultMatrix.addNextValue(row, col, val);
buf = trimWhitespaces(buf);
readNextTransition(&buf, &trans);
addTransitionToMatrix(trans, &resultMatrix);
}
} else {
while (buf[0] != '\0') {
// Read next transition.
row = checked_strtol(buf, &buf);
col = checked_strtol(buf, &buf);
val = checked_strtod(buf, &buf);
readNextTransition(&buf, &trans);
// Test if we moved to a new row.
// Handle all incomplete or skipped rows.
if (lastRow != row) {
if (!rowHadDiagonalEntry) {
if (insertDiagonalEntriesIfMissing) {
resultMatrix.addNextValue(lastRow, lastRow, storm::utility::constantZero<double>());
LOG4CPLUS_DEBUG(logger, "While parsing " << filename << ": state " << lastRow << " has no transition to itself. Inserted a 0-transition. (1)");
} else {
LOG4CPLUS_WARN(logger, "Warning while parsing " << filename << ": state " << lastRow << " has no transition to itself.");
}
// No increment for lastRow.
rowHadDiagonalEntry = true;
}
for (uint_fast64_t skippedRow = lastRow + 1; skippedRow < row; ++skippedRow) {
hadDeadlocks = true;
if (fixDeadlocks) {
resultMatrix.addNextValue(skippedRow, skippedRow, storm::utility::constantOne<double>());
rowHadDiagonalEntry = true;
LOG4CPLUS_WARN(logger, "Warning while parsing " << filename << ": state " << skippedRow << " has no outgoing transitions. A self-loop was inserted.");
} else {
LOG4CPLUS_ERROR(logger, "Error while parsing " << filename << ": state " << skippedRow << " has no outgoing transitions.");
// Before throwing the appropriate exception we will give notice of all deadlock states.
}
}
lastRow = row;
rowHadDiagonalEntry = false;
}
if (col == row) {
rowHadDiagonalEntry = true;
}
if (col > row && !rowHadDiagonalEntry) {
if (insertDiagonalEntriesIfMissing) {
resultMatrix.addNextValue(row, row, storm::utility::constantZero<double>());
LOG4CPLUS_DEBUG(logger, "While parsing " << filename << ": state " << row << " has no transition to itself. Inserted a 0-transition. (2)");
} else {
LOG4CPLUS_WARN(logger, "Warning while parsing " << filename << ": state " << row << " has no transition to itself.");
}
rowHadDiagonalEntry = true;
}
resultMatrix.addNextValue(row, col, val);
buf = trimWhitespaces(buf);
if (lastRow != trans.row) {
if (!rowHadDiagonalEntry) {
if (insertDiagonalEntriesIfMissing) {
resultMatrix.addNextValue(lastRow, lastRow, storm::utility::constantZero<T>());
LOG4CPLUS_DEBUG(logger, "While parsing " << filename << ": state " << lastRow << " has no transition to itself. Inserted a 0-transition. (1)");
} else {
LOG4CPLUS_WARN(logger, "Warning while parsing " << filename << ": state " << lastRow << " has no transition to itself.");
}
// No increment for lastRow.
rowHadDiagonalEntry = true;
}
for (uint_fast64_t skippedRow = lastRow + 1; skippedRow < trans.row; ++skippedRow) {
hadDeadlocks = true;
if (fixDeadlocks) {
resultMatrix.addNextValue(skippedRow, skippedRow, storm::utility::constantOne<T>());
rowHadDiagonalEntry = true;
LOG4CPLUS_WARN(logger, "Warning while parsing " << filename << ": state " << skippedRow << " has no outgoing transitions. A self-loop was inserted.");
} else {
LOG4CPLUS_ERROR(logger, "Error while parsing " << filename << ": state " << skippedRow << " has no outgoing transitions.");
// Before throwing the appropriate exception we will give notice of all deadlock states.
}
}
lastRow = trans.row;
rowHadDiagonalEntry = false;
}
if (trans.col == trans.row) {
rowHadDiagonalEntry = true;
}
if (trans.col > trans.row && !rowHadDiagonalEntry) {
if (insertDiagonalEntriesIfMissing) {
resultMatrix.addNextValue(trans.row, trans.row, storm::utility::constantZero<T>());
LOG4CPLUS_DEBUG(logger, "While parsing " << filename << ": state " << trans.row << " has no transition to itself. Inserted a 0-transition. (2)");
} else {
LOG4CPLUS_WARN(logger, "Warning while parsing " << filename << ": state " << trans.row << " has no transition to itself.");
}
rowHadDiagonalEntry = true;
}
addTransitionToMatrix(trans, &resultMatrix);
}
if (!rowHadDiagonalEntry) {
if (insertDiagonalEntriesIfMissing) {
resultMatrix.addNextValue(lastRow, lastRow, storm::utility::constantZero<double>());
resultMatrix.addNextValue(lastRow, lastRow, storm::utility::constantZero<T>());
LOG4CPLUS_DEBUG(logger, "While parsing " << filename << ": state " << lastRow << " has no transition to itself. Inserted a 0-transition. (3)");
} else {
LOG4CPLUS_WARN(logger, "Warning while parsing " << filename << ": state " << lastRow << " has no transition to itself.");
}
}
// If we encountered deadlock and did not fix them, now is the time to throw the exception.
if (!fixDeadlocks && hadDeadlocks) throw storm::exceptions::WrongFormatException() << "Some of the nodes had deadlocks. You can use --fixDeadlocks to insert self-loops on the fly.";
// If we encountered deadlock and did not fix them, now is the time to throw the exception.
if (!fixDeadlocks && hadDeadlocks) throw storm::exceptions::WrongFormatException() << "Some of the nodes had deadlocks. You can use --fixDeadlocks to insert self-loops on the fly.";
}
// Finally, build the actual matrix, test and return it.
storm::storage::SparseMatrix<double> result = resultMatrix.build();
storm::storage::SparseMatrix<T> result = resultMatrix.build();
// Since we cannot do the testing if each transition for which there is a reward in the reward file also exists in the transition matrix during parsing, we have to do it afterwards.
if(isRewardFile && !result.isSubmatrixOf(transitionMatrix)) {
@ -198,11 +189,7 @@ namespace storm {
DeterministicSparseTransitionParser::FirstPassResult result;
// Skip the format hint if it is there.
buf = trimWhitespaces(buf);
if(buf[0] < '0' || buf[0] > '9') {
buf = forwardToLineEnd(buf);
buf = trimWhitespaces(buf);
}
buf = skipFormatHint(buf);
// Check all transitions for non-zero diagonal entries and deadlock states.
uint_fast64_t row, col, lastRow = 0, lastCol = -1;
@ -213,7 +200,8 @@ namespace storm {
row = checked_strtol(buf, &buf);
col = checked_strtol(buf, &buf);
// The actual read value is not needed here.
checked_strtod(buf, &buf);
buf = forwardToLineEnd(buf);
buf = trimWhitespaces(buf);
// Compensate for missing diagonal entries if desired.
if (insertDiagonalEntriesIfMissing) {
@ -254,7 +242,7 @@ namespace storm {
lastRow = row;
lastCol = col;
buf = trimWhitespaces(buf);
}
if(insertDiagonalEntriesIfMissing) {
@ -271,5 +259,35 @@ namespace storm {
return result;
}
template<typename T>
void DeterministicSparseTransitionParser::readNextTransition(char** buf, DeterministicTransitionEntry<T>* trans)
{
trans->row = checked_strtol(*buf, buf);
trans->col = checked_strtol(*buf, buf);
trans->val = checked_strtod(*buf, buf);
*buf = trimWhitespaces(*buf);
}
template<typename T>
void DeterministicSparseTransitionParser::addTransitionToMatrix(DeterministicTransitionEntry<T> const& trans, storm::storage::SparseMatrixBuilder<T>* mat)
{
mat->addNextValue(trans.row, trans.col, trans.val);
}
char* DeterministicSparseTransitionParser::skipFormatHint(char* buf)
{
// Skip the format hint if it is there.
buf = trimWhitespaces(buf);
if(buf[0] < '0' || buf[0] > '9') {
buf = forwardToLineEnd(buf);
buf = trimWhitespaces(buf);
}
return buf;
}
} // namespace parser
} // namespace storm

23
src/parser/DeterministicSparseTransitionParser.h
View File

@ -6,6 +6,7 @@
namespace storm {
namespace parser {
/*!
* This class can be used to parse a file containing either transitions or transition rewards of a deterministic model.
*
@ -16,6 +17,13 @@ namespace storm {
class DeterministicSparseTransitionParser {
public:
template<typename T>
struct DeterministicTransitionEntry
{
uint_fast64_t row = 0;
uint_fast64_t col = 0;
T val;
};
/*!
* A structure representing the result of the first pass of this parser. It contains the number of non-zero entries in the model and the highest state index.
*/
@ -80,10 +88,23 @@ namespace storm {
* The dimensions (rows and columns) of the two matrices should match.
* @return A SparseMatrix containing the parsed file contents.
*/
static storm::storage::SparseMatrix<double> parse(std::string const& filename, bool isRewardFile, storm::storage::SparseMatrix<double> const & transitionMatrix);
template<typename T>
static storm::storage::SparseMatrix<T> parse(std::string const& filename, bool isRewardFile, storm::storage::SparseMatrix<T> const & transitionMatrix);
// Helper methods.
/*
*/
template<typename T>
static void readNextTransition(char** buf, DeterministicTransitionEntry<T>* trans );
template<typename T>
static void addTransitionToMatrix(DeterministicTransitionEntry<T> const& trans, storm::storage::SparseMatrixBuilder<T>* mat);
static char* skipFormatHint(char*);
};
} // namespace parser
} // namespace storm

24
src/parser/ReadValues.h
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@ -0,0 +1,24 @@
#ifndef _STORM_PARSER_READVALUES_H
#define _STORM_PARSER_READVALUES_H
#include "src/utility/cstring.h"
namespace storm
{
namespace parser
{
template<typename T>
T readValue(char* buf);
template<>
double readValue<double>(char* buf)
{
return utility::cstring::checked_strtod(buf, &buf);
}
}
}
#endif

2
src/storage/SparseMatrix.cpp
View File

@ -85,7 +85,7 @@ namespace storm {
// Finally, set the element and increase the current size.
if (storagePreallocated) {
columnsAndValues[currentEntryCount] = std::make_pair(column, value);
columnsAndValues.at(currentEntryCount) = std::make_pair(column, value);
} else {
columnsAndValues.emplace_back(column, value);
if (!columnCountSet) {

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