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Re: [Discuss-gnuradio] programming issue

From: Anderson, Douglas J.
Subject: Re: [Discuss-gnuradio] programming issue
Date: Mon, 30 Mar 2015 15:14:17 +0000

Hi Vishwanatha,

Looks like you have a function called set_loop_bandwidth that hasn't been declared in your header files.


Douglas Anderson | Intern
DOC/NTIA/ITS-T | 325 Broadway St., Boulder, CO 80305 | P: 303 497 3582

From: discuss-gnuradio-bounces+address@hidden [discuss-gnuradio-bounces+address@hidden on behalf of Vishwanatha H G address@hidden
Sent: Monday, March 30, 2015 6:17 AM
To: address@hidden
Subject: [Discuss-gnuradio] programming issue

I trying to build the costas loop for 16QPSK. But there are some errors are there. I'm not getting the error message. the message is like:
2: Test command: /bin/sh "/home/lekha/gr-project/build/python/qa_cost_test.sh"
2: Test timeout computed to be: 9.99988e+06
2: Traceback (most recent call last):
2:   File "/home/lekha/gr-project/python/qa_cost.py", line 26, in <module>
2:     import project_swig as proj
2:   File "/home/lekha/gr-project/build/swig/project_swig.py", line 26, in <module>
2:     _project_swig = swig_import_helper()
2:   File "/home/lekha/gr-project/build/swig/project_swig.py", line 22, in swig_import_helper
2:     _mod = imp.load_module('_project_swig', fp, pathname, description)
2: ImportError: /home/lekha/gr-project/build/lib/libgnuradio-project.so: undefined symbol: _ZN2gr6blocks12control_loop18set_loop_bandwidthEf
1/1 Test #2: qa_cost ..........................***Failed    0.46 sec

0% tests passed, 1 tests failed out of 1

Total Test time (real) =   0.46 sec

The following tests FAILED:
      2 - qa_cost (Failed)
Errors while running CTest

what is the solution? please help me

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