anonymous_namespace{flowCoef.cc} Namespace Reference

Functions
bool	parseLine (std::string const &line, std::string &pref)

Function Documentation

parseLine()

bool anonymous_namespace{flowCoef.cc}::parseLine	(	std::string const &	line,
		std::string &	pref
	)

Definition at line 33 of file flowCoef.cc.

Referenced by minsky::FlowCoef::FlowCoef().

                                                         {
     using it = std::string::const_iterator;    
     
     // Construct grammar to treat inf and nan separately in input formula. See https://www.boost.org/doc/libs/1_68_0/libs/spirit/doc/html/spirit/qi/reference/numeric/real.html
     qi::rule<it, std::string()> nan = -qi::lit("1.0#") >> qi::no_case["nan"] >> -('(' >> *(qi::char_ - ')') >> ')');
     qi::rule<it, std::string()> inf = qi::no_case[qi::lit("inf") >> -qi::lit("inity")];
     qi::rule<it, std::string()> sign = qi::lit('+') | '-';
    
     
     it first = line.begin(), last = line.end();
     return (qi::phrase_parse(first, last, -sign >> ( inf | nan) ,qi::blank, pref));
  }

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