Eric Blossom wrote:
On Wed, Jun 01, 2005 at 04:12:16PM -0400, David P. Reed wrote:
I'm trying to install the gnuradio software from CVS on Fedora Core 3 on
an AMD64 (x86_64) laptop (and python 2.3). Aside from annoying
pathname bugs and quirks with FFTW linking, which I will report
separately, I get the following error when testing gnuradio-core, where
a unittest fails. Anyone who has a clue why this imprecision might be
happening? If I change this one test to check for 5 digits after the
decimal point, it works...
Also, has anyone gotten gnuradio to run on x86_64?
Hi David,
Some folks have GNU Radio running on x86_64. I just took delivery on
one the other day, but haven't had a chance to spend any time with it.
I think the difference you're seeing is that GCC for the x86_64 uses
the SSE scalar mode instructions at 32-bits instead of the x87
instructions with 80-bits of precision.
Eric
Yeah, but should the test process stop the build process, or should the
check be for 5 digits rather than 6?
I'm still trying to figure out why I can't build the gsm codec,
apparently because of linker errors with fftw (multiply defined symbols).
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