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git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@9313 221aa14e-8319-0410-a670-987f0aec2ac5
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accumulator. Thanks to Stefan Bruens and Philip Ballister for working
on this.
According to the fine print in the C and C++ standards, if a signed
integer type overflows, the result is undefined. As of gcc 4.3, gcc
was proving that our code was overflowing, and took advantage of the
"undefined" result to short circuit the evaluation.
Moral of the story: if you're using a fixed point phase accumulator,
or anything else where you're counting on overflow happening, be sure
that your variable is unsigned.
See also http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37067 and
http://www.airs.com/blog/archives/120
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versions of fftsink, waterfallsink, and scopesink, and new constsink. See README.gl for use. (Josh Blum)
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longer works with the new firmware.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8881 221aa14e-8319-0410-a670-987f0aec2ac5
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Fix that allows C++ classes derived from gr_hier_block2 to
use the new self() method to get a magic object that can be passed
to connect or disconnect to refer to their own inputs and outputs.
Note that the constructor wrapper of all classes derived from
gr_hier_block2 (and thus gr_top_block too) MUST USE the new
gnuradio::get_initial_sptr function to get the initial shared pointer.
gnuradio::get_initial_sptr works on all block types, and should be
used in all new code. See qa_gr_hier_block2_derived.{h,cc} for an
example.
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To achieve equivalent functionality, just configure port-audio as the default
audio library in the audio configuration.
~/.gnuradio/config.conf:
[audio]
verbose = True
audio_module = audio_portaudio
#audio_module = audio_oss
#audio_module = audio_alsa
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