The G1 has no floating point hardware you can use. On Sun, May 17, 2009 at 5:03 PM, Yin <yinchen1...@gmail.com> wrote:
> > Hi all, > > I have been searching about the floating point support on G1 phone > (aka the HTC Dream phone) for a few hours. > > So far, my conclusion is that the ARM-based Qualcomm MSM7201 CPU does > not have VFP (floating point coprocessor) and therefore floating point > calculations have to be done via software-float. > > This is quite disappointing as I am interested in developing > applications with heavy math. > > However, I also notice that the Qualcomm CPU has QDSP4000™ and > QDSP5000™ high-performance digital signal processors (DSP), according > to http://www.qctconnect.com/products/msm_7201.html > > Therefore, here is my question: would it be possible to leverage the > DSP modules in the MSM7201 CPU to do the floating point math? > > Also, I would like to develop the heavy-math modules in C/C++ and call > it via JNI, and so I just want to double-check whether this is a > feasible approach. > > Thanks! > > - > Yin > > > > -- Dianne Hackborn Android framework engineer hack...@android.com Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
