Programming issue

Hi…
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

2: import project_swig as proj
2: File “/home/lekha/gr-project/build/swig/project_swig.py”, line 26,
in

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

Hi Vishwanatha,

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

-Doug

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


From: discuss-gnuradio-bounces+danderson=removed_email_address@domain.invalid
[discuss-gnuradio-bounces+danderson=removed_email_address@domain.invalid] on behalf
of Vishwanatha H G [[email protected]]
Sent: Monday, March 30, 2015 6:17 AM
To: [email protected]
Subject: [Discuss-gnuradio] programming issue

Hi…
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

2: import project_swig as proj
2: File “/home/lekha/gr-project/build/swig/project_swig.py”, line 26,
in
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