Added die example from PRISM. Added SparseStateRewardParser. Small fix to main.

src/mrmc.cpp

@@ -100,7 +100,7 @@ bool parseOptions(const int argc, const char* argv[]) {
 		std::cout << "Could not recover from settings error: " << e.what() << "." << std::endl;
 		std::cout << std::endl << mrmc::settings::help;
 		delete s;
-		return 1;
+		return false;
 	}
 	
 	if (s->isSet("help")) {

src/parser/SparseStateRewardParser.cpp

@@ -0,0 +1,74 @@
+/*!
+ * SparseStateRewardParser.cpp
+ *
+ *  Created on: 23.12.2012
+ *      Author: Christian Dehnert
+ */
+
+#include "src/parser/SparseStateRewardParser.h"
+#include "src/exceptions/WrongFileFormatException.h"
+#include "src/exceptions/FileIoException.h"
+
+#include "src/utility/OsDetection.h"
+#include <cstdlib>
+#include <cstdio>
+#include <cstring>
+#include <clocale>
+#include <iostream>
+#include <errno.h>
+#include <time.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <locale.h>
+
+#include "log4cplus/logger.h"
+#include "log4cplus/loggingmacros.h"
+extern log4cplus::Logger logger;
+
+namespace mrmc {
+namespace parser {
+
+
+/*!
+ *	Reads a state reward file and puts the result in a state reward vector.
+ *
+ *	@param stateCount The number of states.
+ *	@param filename The filename of the state reward file.
+ *	@return A pointer to the created state reward vector.
+ */
+SparseStateRewardParser::SparseStateRewardParser(uint_fast64_t stateCount, std::string const & filename)
+	: stateRewards(nullptr) {
+	// Open file.
+	MappedFile file(filename.c_str());
+	char* buf = file.data;
+
+	char separator[] = " \r\n\t";
+	
+	// Create state reward vector with given state count.
+	this->stateRewards = std::shared_ptr<std::vector<double>>(new std::vector<double>(stateCount));
+	
+	{
+		// Now parse state reward assignments.
+		uint_fast64_t state;
+		double reward;
+
+		// Iterate over states.
+		while (buf[0] != '\0') {
+			// Parse state number and reward value.
+			state = checked_strtol(buf, &buf);
+			reward = strtod(buf, &buf);
+			if (reward < 0.0) {
+				LOG4CPLUS_ERROR(logger, "Expected positive probability but got \"" << std::string(buf, 0, 16) << "\".");
+				throw mrmc::exceptions::WrongFileFormatException() << "State reward file specifies illegal reward value.";
+			}
+
+			(*this->stateRewards)[state] = reward;
+
+			buf = trimWhitespaces(buf);
+		}
+	}
+}
+
+} //namespace parser
+
+} //namespace mrmc

src/parser/SparseStateRewardParser.h

@@ -0,0 +1,32 @@
+#ifndef MRMC_PARSER_SPARSESTATEREWARDPARSER_H_
+#define MRMC_PARSER_SPARSESTATEREWARDPARSER_H_
+
+#include "boost/integer/integer_mask.hpp"
+#include "src/parser/Parser.h"
+#include <memory>
+#include <vector>
+
+namespace mrmc {
+
+namespace parser {
+
+/*!
+ *	@brief Load state reward file and return vector of state rewards.
+ */
+class SparseStateRewardParser : Parser {
+	public:
+		SparseStateRewardParser(uint_fast64_t stateCount, std::string const &filename);
+
+		std::shared_ptr<std::vector<double>> getStateRewards() {
+			return this->stateRewards;
+		}
+	
+	private:
+		std::shared_ptr<std::vector<double>> stateRewards;
+};
+
+} // namespace parser
+
+} // namespace mrmc
+
+#endif /* MRMC_PARSER_SPARSESTATEREWARDPARSER_H_ */