> Cagnulein wrote: >> I'm continuing my experience on Xenomai and i've reached the floating >> point "point" :) >> I've succesfully compiled a project using some floats (division and >> printf) but when i try to use a "high level" function like "ceil" or >> "sqrt" the linker can't find them. > > If you read sqrt or ceil manpage, you will see that you need to add -lm > on gcc command line. As you would do on your host system. > I was so focused on Xenomai and i didn't thought "simply".
>> >> I know there isn't any hard floating point unit on this cpu, so it's all >> emulated (soft floats): if it's so, i've to implement these functions >> inside my project? > > No. This is not to say that there are no issues on ARM, but this one is > a purely classical beginner mistake. > > For the FPU issue, see: > http://www.arm.linux.org.uk/mailinglists/faq.php#f3 > Thank you again, i was thinking about kernel/user space issues, architecture not well implemented...and i didn't thought about this mistake :( > > -- > Gilles. > _______________________________________________ Xenomai-help mailing list [email protected] https://mail.gna.org/listinfo/xenomai-help
