I believe your best option is to find a way to do your computation using interger arithmetic. On Thursday 22 January 2004 23:17, pankaj chauhan wrote: > i can not do it in user space because , actually the > equation that i gave is being calculated for everry > incomming packet on a router , and the whole code is > in kernel space so i think it wuold be too expensive > to go in user space for every operation .. > > what do u say .. > > Rgds, > Pankaj chauhan > > --- Lukas Ruf <ruf@rawip.org> wrote: > > pankaj > chauhan <chauhan_ait@yahoo.co.in> > > > [2004-01-22 16:08]: > > > So is there any way to perform floating point > > > operation inside kernel , if yes what , if no how > > > > do i > > > > > use that equation ( it is critical for my project > > > > , > > > > > can not be eliminated ) . > > > > As far as I know: you cannot carry out floating > > point operations > > within the kernel due to cost intensive FPU-state > > saves that would > > need to be done otherwise. > > > > What would you think about doing the calculation > > within user-space? > > > > Can you formulate the problem such that it does not > > need floating > > point operations? > > > > wbr, > > Lukas > > -- > > Lukas Ruf | Wanna know anything about raw > > > > <http://www.lpr.ch> | IP? -> <http://www.rawip.org> > > > > eMail Style Guide: > > <http://www.rawip.org/style.html>| > > > > -- > > Kernelnewbies: Help each other learn about the Linux > > kernel. > > Archive: > > http://mail.nl.linux.org/kernelnewbies/ > > FAQ: http://kernelnewbies.org/faq/ > > _____________________________________________________________________ >___ Yahoo! India Mobile: Download the latest polyphonic ringtones. Go > to http://in.mobile.yahoo.com -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
