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This commit adds a formal specification of tvdiff_usec and a partial specification of subtract_timeval. These may be proved using Frama-C. The existing functions ignored overflow, but it is possible to call the functions with parameters that will cause overflow. So to create a formal specification I had to modify the functions to signal overflow. Luckily GCC and Clang have convenient __builtin*s which make this easy, but Frama-C...

I'd just like to thank everyone who replied on this; the suggestions and resources are very helpful! ~Scott On Tue, Feb 9, 2016 at 8:38 PM, Andrew Santosa <santosa_1999 at yahoo.com> wrote: > LLBMC http://llbmc.org uses bounded model checking technique to find > errors in LLVM IR. > Model checking is essentially search, and since LLBMC is bounded, the > search for errors

...n't hesitate to complete the QA document: > http://buildbot.ghz.cc/~buildbot/docs/r2351-444/website/nut-qa.html > (generated from docs/nut-qa.txt) > > I would really like to see the static code analysis subject addressed. > > Arjen, have you compared / tried other systems like Frama-C, BLAST or > Clang? > > before investing in one system or another (which is part of 2.8), I > would like to have a clear picture of the situation. > > cheers, > Arnaud > cheers, Arnaud -- Linux / Unix Expert R&D - Eaton - http://powerquality.eaton.com Network UPS Too...

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Hi Arjen, just to revive the static code analysis thread... It would be nice if you could expose your ideas and the results of your tests. Also, apart from Splint, have you tested any other systems?

I downloaded current version of FLAC sources and compiled it with: * GCC 4.8.1 (MSYS from http://xhmikosr.1f0.de/tools/) * Intel C++ Composer XE 2013 update 5 * MSVS 2010 SP1 * MSVS 2012 update 3 (SSSE3 and SSE4.1 code was disabled for all compilers) Stereo 24-bit WAV file was encoded with -8 preset. Encoding time, in seconds: GCC 32-bit: 209 ICC 32-bit: 130 VS10 32-bit: 116 VS12 32-bit: 114

> a <- sqlQuery(irrdb, "select count(field) from mytable where field = 1") > print(a) count(field) 1 8 > paste(a) [1] "as.integer(8)" Why the as.integer() representation? I later pass the result into this write.html.table(), and what I get is rows of as.integer()... when all I want is the integer itself. as.integer(31) as.integer(21)

Necesito algo de programación básica para resolver un problema, un inconveniente es que intente "if", cuándo se lo aplico digamos a x <- 5 no hay drama, pero si es a leche$litros me dice que solo se toma el primer elemento. Como pueden ver estoy re perdido. Mi problema: los datos están en un data.frame como el siguiente animal inicio fin control idlactancias