The code below does not work with -O3 with gcc 4.5 or later. 3 11 (12/15/2012 8:17:09 PM)
Hi all, The code below worked before gcc 4.5. It only works with gcc 4.5 without optimization. Could some one please explain what is wrong, and what optimzation step in gcc fails? Regards, Sudhir // bit...
sudhir.kadkade (1)

Sorting within a template 8 28 (12/15/2012 10:05:45 AM)
Hello, I defined a template class that acts as a container for some type objects. Since theose objects are heavy, I need to reference them using pointers. Assume that each object has a compare functi...
gbe32241 (75)

Erase Last Character of basic::string Variable 6 47 (12/11/2012 12:11:35 AM)
How do I remove the last character of a basic::string? Specifically, I'm using fgets to read lines from a text file, and each ends with the characters '\10' and '\0'. When I assign the c-string variabl...
mrc2323 (170)

Deadline extension: C++ Now 2013, Call for Submissions 0 16 (12/15/2012 9:56:24 PM)
Please see below for the extended deadline. ---------------------------------------------------------------------------- C++ NOW CONFERENCE 2013 - Aspen CO, USA, May 13-17, 2013, www.cppnow.org ------...
hartmut.kaiser (15)

Getting rid of pointer to function cast warning 8 37 (12/10/2012 2:53:41 PM)
Is it possible to get rid of the warning below generated at compile time without resorting to any compiler directive trickery? (ie. pragmas and the likes) Both g++ and clang++ report the following warnin...
miguel.a.guedes1 (18)

std::map<> problem 3 18 (12/14/2012 11:10:55 PM)
First: $ g++ --version g++ (GCC) 4.7.2 20120921 (Red Hat 4.7.2-2) I'm using the following declarations: struct point { double alpha, beta; double Force; point( double a, double b, double f )...
john.chludzinski (61)

Available C++ Libraries FAQ #64 0 15 (12/14/2012 11:23:04 PM)
Available C++ Libraries FAQ URL: http://www.trumphurst.com/cpplibs/ This is a searchable list of libraries and utilities (both free and commercial) available to C++ programmers. If you know of a libr...
nikki (56)

Variadic templates std::tuple 6 17 (12/12/2012 3:25:49 PM)
Hi! I have read the new C++ standard, C++11, will add to possibility to use the variadic templates, so a templates can take variable numbers of template parameters. Using that the C++ library will add t...
hablando001 (7)

std::priority_queue: Abysmally bad performance versus std::set, can't figure out why. 5 52 (11/30/2012 2:40:03 AM)
Hi everyone, I recently implemented A* for some research, and because I need both the pq= interface AND an iterable interface to the open list, I (somewhat naively)= started using std::set. Now that the...
jeremy.william.murphy (3)

Data Race problem 16 22 (12/12/2012 1:16:59 PM)
Hi I have the following very simple multi-thread program: #include #include int var = 0; void incr() { std::mutex m; m.lock(); var++; m.unlock(); } int main() { st...
amrollahi.saeed (152)