On Sat, Oct 4, 2014 at 3:23 PM, Caolán McNamara <caol...@redhat.com> wrote: > On Thu, 2014-10-02 at 23:35 +0200, Michael Stahl wrote: >> * direct usage of boost::random for fancy distributions in Calc, >> sc/source/ui/StatisticsDialogs/RandomNumberGeneratorDialog.cxx >> >> * include/comphelper/random.hxx: >> double uniform() function with [0,1) range >> implemented with boost::random / MersenneTwister for speed > > >> ... so i'd guess that the comphelper/random.hxx approach is most >> promising for general-purpose random numbers (i.e. not crypto); it even >> nicely encapsulates the boost template madness behind a small ABI. >> >> oh, there is also a <random> header in C++11, likely inspired by >> boost::random; i wonder if our new baseline toolchains have support for >> this... actually GCC 4.5 release notes list it as a new feature, and >> MSVC 2012 has it too: > > Hmm, little trap here, uniform_int_distribution takes [a,b] range while > uniform_real_distribution takes [a,b).
so: (int)(floor(uniform_real_distributtion(a, b+1)) ? Norbert _______________________________________________ LibreOffice mailing list LibreOffice@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/libreoffice
