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c++ Programming Glossary: wnsine wave that slowly ramps up frequency from f1 to f2 for a given time http://stackoverflow.com/questions/11199509/sine-wave-that-slowly-ramps-up-frequency-from-f1-to-f2-for-a-given-time w 2 pi f to vary linearly with time then dw dt a and w w0 wn w0 t tn where t goes from 0 to tn w goes from w0 to wn . phase.. w0 wn w0 t tn where t goes from 0 to tn w goes from w0 to wn . phase is the integral of that so phase w0 t wn w0 t^2 2tn.. w0 to wn . phase is the integral of that so phase w0 t wn w0 t^2 2tn as oli says void sweep double f_start double f_end..
Compare std::wstring and std::string http://stackoverflow.com/questions/7141260/compare-stdwstring-and-stdstring const std string s const char cs s.c_str const size_t wn std mbsrtowcs NULL cs 0 NULL if wn size_t 1 std cout Error in.. cs s.c_str const size_t wn std mbsrtowcs NULL cs 0 NULL if wn size_t 1 std cout Error in mbsrtowcs errno std endl return L.. mbsrtowcs errno std endl return L std vector wchar_t buf wn 1 const size_t wn_again std mbsrtowcs buf.data cs wn 1 NULL..
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