C++Talk.NET C++ language newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  evaluate a string expression in if statement Linux C/C++          C++Talk.NET Forum Index -> C++ language (comp.lang.c++) View previous topic :: View next topic   Author Message parul.prasad@wipro.com Guest Posted: Tue Nov 14, 2006 10:10 am    Post subject: evaluate a string expression in if statement Linux C/C++ How can we evaluate a string expression in if statement Linux C/C++ Back to top PasalicZaharije Guest Posted: Tue Nov 14, 2006 10:10 am    Post subject: Re: evaluate a string expression in if statement Linux C/C++ If you have only one const (e.g. one number), there is a lot of functions/class for str->int (or double, or float, or ...) conversion (like std::strstream). If it is expression of type 123+12-123/123, you must write some kind of parser/evaluator (look for conversion of infix <-> sufix form). Best, Zaharije Pasalic Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First         C++Talk.NET Forum Index -> C++ language (comp.lang.c++) All times are GMT Page 1 of 1   Jump to: Select a forum C/C++----------------C LanguageC Language (Moderated)C++ Language (Moderated)C++ language (comp.lang.c++)C++ language, library and standards Non-English C/C++ Newsgroups----------------C++ (German)C++ (French)  You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum Powered by phpBB © 2001, 2006 phpBB Group SEO toolkit © 2004-2006 webmedic.