[Discuss-gnuradio] FFTW3 error in GNURADIO
Hi all,
I am using ubuntu 13.04 and GNURADIO 3.7.
In project https://github.com/BogdanDIA/gr-dvbt , in reference_signals_impl.cc
in /lib, I add inside one of the functions:
fftw_complex *in2, *out2;
out2 = (fftw_complex*) fftw_malloc(NFFT*2*sizeof(fftw_complex));
in2 = (fftw_complex*) fftw_malloc(NFFT*2*sizeof(fftw_complex)); I get this
error:
~/gr-dvbt/apps$ sudo ./top_block_rx.py
Traceback (most recent call last):
File ./top_block_rx.py, line 23, in module
import dvbt
File /usr/local/lib/python2.7/dist-packages/dvbt/__init__.py, line 45, in
module
from dvbt_swig import *
File /usr/local/lib/python2.7/dist-packages/dvbt/dvbt_swig.py, line 26, in
module
_dvbt_swig = swig_import_helper()
File /usr/local/lib/python2.7/dist-packages/dvbt/dvbt_swig.py, line 22, in
swig_import_helper
_mod = imp.load_module('_dvbt_swig', fp, pathname, description)
ImportError: /usr/local/lib/libgnuradio-dvbt.so: undefined symbol: fftw_malloc
I read and did the articles:
http://lists.gnu.org/archive/html/discuss-gnuradio/2014-02/msg00479.html and
http://gnuradio.4.n7.nabble.com/FFTW3-runtime-error-td46690.html .
However, in lib I cannot add ${FFTW3(F)_LIBRARIES} to your lib/CMakeLists.txt.
It gives me an error. Therefore I replaced that with ${FFTW3F_LIBRARIES}.
Where am I making mistake?
-
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Re: [Discuss-gnuradio] FFTW3 error in GNURADIO
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The (F) was meant to say:
Use FFTW3_LIBRARIES if you want to use the double precision version,
use FFTW3F_LIBRARIES if you want the single (float, 'F') precision
version of the library.
Since you're using
fftw_malloc (without f suffix), you're trying to use the double prec.
version of the library, but you link against the single prec. version.
Greetings,
Marcus
PS: The GNU Radio complex data type is identical to the float complex
datatype used by FFTW3F. If you want to use that, use the float
version of the library and replace fftw_malloc by fftwf_malloc and so on.
On 21.03.2014 10:35, Nasi wrote:
Hi all,
I am using ubuntu 13.04 and GNURADIO 3.7.
In project https://github.com/BogdanDIA/gr-dvbt , in
reference_signals_impl.cc in /lib, I add inside one of the
functions:
fftw_complex *in2, *out2; out2 = (fftw_complex*)
fftw_malloc(NFFT*2*sizeof(fftw_complex)); in2 = (fftw_complex*)
fftw_malloc(NFFT*2*sizeof(fftw_complex)); I get this error:
~/gr-dvbt/apps$ sudo ./top_block_rx.py Traceback (most recent call
last): File ./top_block_rx.py, line 23, in module import dvbt
File /usr/local/lib/python2.7/dist-packages/dvbt/__init__.py,
line 45, in module from dvbt_swig import * File
/usr/local/lib/python2.7/dist-packages/dvbt/dvbt_swig.py, line
26, in module _dvbt_swig = swig_import_helper() File
/usr/local/lib/python2.7/dist-packages/dvbt/dvbt_swig.py, line
22, in swig_import_helper _mod = imp.load_module('_dvbt_swig', fp,
pathname, description) ImportError:
/usr/local/lib/libgnuradio-dvbt.so: undefined symbol: fftw_malloc
I read and did the articles:
http://lists.gnu.org/archive/html/discuss-gnuradio/2014-02/msg00479.html
and
http://gnuradio.4.n7.nabble.com/FFTW3-runtime-error-td46690.html .
However, in lib I cannot add ${FFTW3(F)_LIBRARIES} to your
lib/CMakeLists.txt. It gives me an error. Therefore I replaced that
with ${FFTW3F_LIBRARIES}.
Where am I making mistake?
- NE
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Re: [Discuss-gnuradio] FFTW3 error in GNURADIO
Thanks for quick reply!
It does not work even if I use float precision as
fftwf_complex *in2, *out2;
out2 = (fftwf_complex*) fftwf_malloc(NFFT*2*sizeof(fftwf_complex));
in2 = (fftwf_complex*) fftwf_malloc(NFFT*2*sizeof(fftwf_complex));
I attach cmake files. It would be nice of you if you take a look.
-
NE
Fri, 21 Mar 2014 11:18:45 +0100 от Marcus Müller mar...@hostalia.de:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
The (F) was meant to say:
Use FFTW3_LIBRARIES if you want to use the double precision version,
use FFTW3F_LIBRARIES if you want the single (float, 'F') precision
version of the library.
Since you're using
fftw_malloc (without f suffix), you're trying to use the double prec.
version of the library, but you link against the single prec. version.
Greetings,
Marcus
PS: The GNU Radio complex data type is identical to the float complex
datatype used by FFTW3F. If you want to use that, use the float
version of the library and replace fftw_malloc by fftwf_malloc and so on.
On 21.03.2014 10:35, Nasi wrote:
Hi all,
I am using ubuntu 13.04 and GNURADIO 3.7.
In project https://github.com/BogdanDIA/gr-dvbt , in
reference_signals_impl.cc in /lib, I add inside one of the
functions:
fftw_complex *in2, *out2; out2 = (fftw_complex*)
fftw_malloc(NFFT*2*sizeof(fftw_complex)); in2 = (fftw_complex*)
fftw_malloc(NFFT*2*sizeof(fftw_complex)); I get this error:
~/gr-dvbt/apps$ sudo ./top_block_rx.py Traceback (most recent call
last): File ./top_block_rx.py, line 23, in module import dvbt
File /usr/local/lib/python2.7/dist-packages/dvbt/__init__.py,
line 45, in module from dvbt_swig import * File
/usr/local/lib/python2.7/dist-packages/dvbt/dvbt_swig.py, line
26, in module _dvbt_swig = swig_import_helper() File
/usr/local/lib/python2.7/dist-packages/dvbt/dvbt_swig.py, line
22, in swig_import_helper _mod = imp.load_module('_dvbt_swig', fp,
pathname, description) ImportError:
/usr/local/lib/libgnuradio-dvbt.so: undefined symbol: fftw_malloc
I read and did the articles:
http://lists.gnu.org/archive/html/discuss-gnuradio/2014-02/msg00479.html
and
http://gnuradio.4.n7.nabble.com/FFTW3-runtime-error-td46690.html .
However, in lib I cannot add ${FFTW3(F)_LIBRARIES} to your
lib/CMakeLists.txt. It gives me an error. Therefore I replaced that
with ${FFTW3F_LIBRARIES}.
Where am I making mistake?
- NE
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# Copyright 2011,2012 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
# Project setup
cmake_minimum_required(VERSION 2.6)
project(gr-dvbt CXX C)
enable_testing()
#select the release build type by default to get optimization flags
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
message(STATUS Build type not specified: defaulting to release.)
endif(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE STRING )
list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/Modules)
# Compiler specific setup
if(CMAKE_COMPILER_IS_GNUCXX AND NOT WIN32)
#http://gcc.gnu.org/wiki/Visibility
add_definitions(-fvisibility=hidden)
endif()
# Find boost
if(UNIX AND EXISTS /usr/lib64)
list(APPEND BOOST_LIBRARYDIR /usr/lib64) #fedora 64-bit fix
endif(UNIX AND EXISTS /usr/lib64)
set(Boost_ADDITIONAL_VERSIONS
1.35.0 1.35 1.36.0 1.36 1.37.0 1.37 1.38.0 1.38 1.39.0
1.39
1.40.0
Re: [Discuss-gnuradio] FFTW3 error in GNURADIO
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Your main CMakeLists.txt is still looking for the double FFTW3.
replace
find_package(FFTW3)
by
find_package(FFTW3f)
and use the FindFFTW3f.cmake from the gnuradio source tree.
You'll have to replace all occurences of FFTW3_ by FFTW3F_ in your
CMake files.
On 21.03.2014 11:42, Nasi wrote:
Thanks for quick reply!
It does not work even if I use float precision as fftwf_complex
*in2, *out2; out2 = (fftwf_complex*)
fftwf_malloc(NFFT*2*sizeof(fftwf_complex)); in2 = (fftwf_complex*)
fftwf_malloc(NFFT*2*sizeof(fftwf_complex));
I attach cmake files. It would be nice of you if you take a look.
- NE
Fri, 21 Mar 2014 11:18:45 +0100 от Marcus Müller
mar...@hostalia.de: The (F) was meant to say: Use
FFTW3_LIBRARIES if you want to use the double precision version,
use FFTW3F_LIBRARIES if you want the single (float, 'F') precision
version of the library.
Since you're using fftw_malloc (without f suffix), you're trying
to use the double prec. version of the library, but you link
against the single prec. version.
Greetings, Marcus
PS: The GNU Radio complex data type is identical to the float
complex datatype used by FFTW3F. If you want to use that, use the
float version of the library and replace fftw_malloc by
fftwf_malloc and so on.
On 21.03.2014 10:35, Nasi wrote:
Hi all,
I am using ubuntu 13.04 and GNURADIO 3.7.
In project https://github.com/BogdanDIA/gr-dvbt , in
reference_signals_impl.cc in /lib, I add inside one of the
functions:
fftw_complex *in2, *out2; out2 = (fftw_complex*)
fftw_malloc(NFFT*2*sizeof(fftw_complex)); in2 =
(fftw_complex*) fftw_malloc(NFFT*2*sizeof(fftw_complex)); I
get this error: ~/gr-dvbt/apps$ sudo ./top_block_rx.py
Traceback (most recent call last): File ./top_block_rx.py,
line 23, in module import dvbt File
/usr/local/lib/python2.7/dist-packages/dvbt/__init__.py,
line 45, in module from dvbt_swig import * File
/usr/local/lib/python2.7/dist-packages/dvbt/dvbt_swig.py,
line 26, in module _dvbt_swig = swig_import_helper() File
/usr/local/lib/python2.7/dist-packages/dvbt/dvbt_swig.py,
line 22, in swig_import_helper _mod =
imp.load_module('_dvbt_swig', fp, pathname, description)
ImportError: /usr/local/lib/libgnuradio-dvbt.so: undefined
symbol: fftw_malloc
I read and did the articles:
http://lists.gnu.org/archive/html/discuss-gnuradio/2014-02/msg00479.html
and
http://gnuradio.4.n7.nabble.com/FFTW3-runtime-error-td46690.html
. However, in lib I cannot add ${FFTW3(F)_LIBRARIES} to your
lib/CMakeLists.txt. It gives me an error. Therefore I
replaced that with ${FFTW3F_LIBRARIES}.
Where am I making mistake?
- NE
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Re: [Discuss-gnuradio] FFTW3 error in GNURADIO
It does not work anyway. I attach again files.
Fri, 21 Mar 2014 11:45:01 +0100 от Marcus Müller mar...@hostalia.de:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Your main CMakeLists.txt is still looking for the double FFTW3.
replace
find_package(FFTW3)
by
find_package(FFTW3f)
and use the FindFFTW3f.cmake from the gnuradio source tree.
You'll have to replace all occurences of FFTW3_ by FFTW3F_ in your
CMake files.
On 21.03.2014 11:42, Nasi wrote:
Thanks for quick reply!
It does not work even if I use float precision as fftwf_complex
*in2, *out2; out2 = (fftwf_complex*)
fftwf_malloc(NFFT*2*sizeof(fftwf_complex)); in2 = (fftwf_complex*)
fftwf_malloc(NFFT*2*sizeof(fftwf_complex));
I attach cmake files. It would be nice of you if you take a look.
- NE
Fri, 21 Mar 2014 11:18:45 +0100 от Marcus Müller
mar...@hostalia.de : The (F) was meant to say: Use
FFTW3_LIBRARIES if you want to use the double precision version,
use FFTW3F_LIBRARIES if you want the single (float, 'F') precision
version of the library.
Since you're using fftw_malloc (without f suffix), you're trying
to use the double prec. version of the library, but you link
against the single prec. version.
Greetings, Marcus
PS: The GNU Radio complex data type is identical to the float
complex datatype used by FFTW3F. If you want to use that, use the
float version of the library and replace fftw_malloc by
fftwf_malloc and so on.
On 21.03.2014 10:35, Nasi wrote:
Hi all,
I am using ubuntu 13.04 and GNURADIO 3.7.
In project https://github.com/BogdanDIA/gr-dvbt , in
reference_signals_impl.cc in /lib, I add inside one of the
functions:
fftw_complex *in2, *out2; out2 = (fftw_complex*)
fftw_malloc(NFFT*2*sizeof(fftw_complex)); in2 =
(fftw_complex*) fftw_malloc(NFFT*2*sizeof(fftw_complex)); I
get this error: ~/gr-dvbt/apps$ sudo ./top_block_rx.py
Traceback (most recent call last): File ./top_block_rx.py,
line 23, in module import dvbt File
/usr/local/lib/python2.7/dist-packages/dvbt/__init__.py,
line 45, in module from dvbt_swig import * File
/usr/local/lib/python2.7/dist-packages/dvbt/dvbt_swig.py,
line 26, in module _dvbt_swig = swig_import_helper() File
/usr/local/lib/python2.7/dist-packages/dvbt/dvbt_swig.py,
line 22, in swig_import_helper _mod =
imp.load_module('_dvbt_swig', fp, pathname, description)
ImportError: /usr/local/lib/libgnuradio-dvbt.so: undefined
symbol: fftw_malloc
I read and did the articles:
http://lists.gnu.org/archive/html/discuss-gnuradio/2014-02/msg00479.html
and
http://gnuradio.4.n7.nabble.com/FFTW3-runtime-error-td46690.html
. However, in lib I cannot add ${FFTW3(F)_LIBRARIES} to your
lib/CMakeLists.txt. It gives me an error. Therefore I
replaced that with ${FFTW3F_LIBRARIES}.
Where am I making mistake?
- NE
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FindFFTW3f.cmake
Description: Binary data
# Copyright 2011,2012 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
# Setup library
include(GrPlatform) #define LIB_SUFFIX
include_directories(${Boost_INCLUDE_DIR})
link_directories(${Boost_LIBRARY_DIRS}
${FFTW3F_LIBRARY_DIRS})
add_library(gnuradio-dvbt SHARED
test_impl.cc
vector_pad_impl.cc
reference_signals_impl.cc
dvbt_config.cc
dvbt_config.cc
dvbt_map_impl.cc
bit_inner_interleaver_impl.cc
symbol_inner_interleaver_impl.cc
inner_coder_impl.cc
reed_solomon_enc_impl.cc
Re: [Discuss-gnuradio] FFTW3 error in GNURADIO
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
You need to add the FFTW3F_LIBRARIES to the target_link_libraries.
On 21.03.2014 12:02, Nasi wrote:
target_link_libraries(gnuradio-dvbt ${Boost_LIBRARIES}
${GNURADIO_RUNTIME_LIBRARIES} ${VOLK_LIBRARIES})
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Re: [Discuss-gnuradio] FFTW3 error in GNURADIO
I added target_link_libraries(gnuradio-dvbt ${Boost_LIBRARIES}
${GNURADIO_RUNTIME_LIBRARIES} ${VOLK_LIBRARIES} ${FFTW3F_LIBRARIES}).
But that does not help.
Fri, 21 Mar 2014 12:07:52 +0100 от Marcus Müller mar...@hostalia.de:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
You need to add the FFTW3F_LIBRARIES to the target_link_libraries.
On 21.03.2014 12:02, Nasi wrote:
target_link_libraries(gnuradio-dvbt ${Boost_LIBRARIES}
${GNURADIO_RUNTIME_LIBRARIES} ${VOLK_LIBRARIES})
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Re: [Discuss-gnuradio] FFTW3 error in GNURADIO
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Hash: SHA1
Then I'm out of clues.
You have basically the same setup up as gr-fft now. Your module
*should* be linked against FFTW3f. Are you sure you replace
fftw_malloc and fftw_whatever by fftwf_whatever in your C++ code?
On 21.03.2014 12:13, Nasi wrote:
I added target_link_libraries(gnuradio-dvbt ${Boost_LIBRARIES}
${GNURADIO_RUNTIME_LIBRARIES} ${VOLK_LIBRARIES}
${FFTW3F_LIBRARIES}).
But that does not help.
Fri, 21 Mar 2014 12:07:52 +0100 от Marcus Müller
mar...@hostalia.de: You need to add the FFTW3F_LIBRARIES to the
target_link_libraries.
On 21.03.2014 12:02, Nasi wrote:
target_link_libraries(gnuradio-dvbt ${Boost_LIBRARIES}
${GNURADIO_RUNTIME_LIBRARIES} ${VOLK_LIBRARIES})
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Re: [Discuss-gnuradio] FFTW3 error in GNURADIO
cool! it worked. I deleted build folder and recompiled everything.
Thanks a lot!!!
Fri, 21 Mar 2014 12:17:26 +0100 от Marcus Müller mar...@hostalia.de:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Then I'm out of clues.
You have basically the same setup up as gr-fft now. Your module
*should* be linked against FFTW3f. Are you sure you replace
fftw_malloc and fftw_whatever by fftwf_whatever in your C++ code?
On 21.03.2014 12:13, Nasi wrote:
I added target_link_libraries(gnuradio-dvbt ${Boost_LIBRARIES}
${GNURADIO_RUNTIME_LIBRARIES} ${VOLK_LIBRARIES}
${FFTW3F_LIBRARIES}).
But that does not help.
Fri, 21 Mar 2014 12:07:52 +0100 от Marcus Müller
mar...@hostalia.de : You need to add the FFTW3F_LIBRARIES to the
target_link_libraries.
On 21.03.2014 12:02, Nasi wrote:
target_link_libraries(gnuradio-dvbt ${Boost_LIBRARIES}
${GNURADIO_RUNTIME_LIBRARIES} ${VOLK_LIBRARIES})
-BEGIN PGP SIGNATURE-
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NE
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