Prof Brian Ripley wrote: > On Thu, 19 May 2011, Earnie wrote: > >> Prof Brian Ripley wrote: >>> On Tue, 17 May 2011, Earnie wrote: >>> >>>> NightStrike wrote: >>>>> On Wed, May 11, 2011 at 12:28 PM, Earnie >>>>> <ear...@users.sourceforge.net> wrote: >>>>>> RSPsoftware wrote: >>>>>>> for years I was thinking that size of int and long would >>>>>>> change to 8 >>>>>>> >>>>>> >>>>>> The you'll find http://www.unix.org/whitepapers/64bit.html >>>>>> an interesting read. Yea, it speaks relative to UNIX but >>>>>> data is data regardless of the OS. >>>>> >>>>> This is a good read, too: >>>>> http://technet.microsoft.com/en-us/library/bb496995.aspx >>>>> >>>> >>>> It's an interesting fact that long long on LP64 is >>>> non-existent instead of 128 bits or even equivalent to long >>>> meaning meaning that one must care to check for the existence >>>> of long long when programing. >>> >>> Not true: C99 requires a long long type. And your claim is not >>> true of real-world LP64 systems. E.g. x86_64 (aka amd64) >>> versions of Linux, Solaris, FreeBSD and Mac OS X all have 64-bit >>> long long (and not just with gcc). So does 64-bit Sparc >>> Solaris. >>> >>> I am speaking of C here: a far-too-common error is for C++ >>> programmers to assume that long long is part of C++, but it is >>> not in the 1998 standard and careful compilers report it as a >>> warning or even error. >>> >> >> Well, that would go against the documented definitions linked to >> ablve > > Which are ancient, predating C99. >
Is there something newer modifying the defined LP64 bits? >> for LP64 that have long long as undefined. Can you link to the >> C99 definition? > > You need to consult the standard, which you buy from ISO. > That isn't going to happen. Earnie ------------------------------------------------------------------------------ What Every C/C++ and Fortran developer Should Know! Read this article and learn how Intel has extended the reach of its next-generation tools to help Windows* and Linux* C/C++ and Fortran developers boost performance applications - including clusters. http://p.sf.net/sfu/intel-dev2devmay _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
