Merge branch 'master' into next
Under extreme circumstances, optfir might never produce an answer (atten>300), so this puts in a check on the ripple; if it gets too large, stop trying.
Allowing PFB interpolator to be called without specifying the taps; autogen taps inside hierblock.
Allowing PFB decimator to be called without specifying the taps; autogen taps inside hierblock.
PFB channelizer can be specified without external taps. Uses optfir to generate an internal filter to cover the channel bandwidth; user can specify the attenuation of this filter if desired.
Updating the arb. resampler to use the optfir filter that provides better specificatiion of stopband atten.
Modifying the unittest output. XML files are no longer written outside of the build tree.
Merge branch 'next' into guile.
Create method to set rate on pfb_arb_resamp after it has been created.Allow it to be called from GRC.
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