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<== Date ==> <== Thread ==>

Subject: RE: pscdrv fftwrap compile error for the Debian/ x64
From: "Ha, Kiman via Tech-talk" <tech-talk@aps.anl.gov>
To: Michael Davidsaver <mdavidsaver@gmail.com>
Cc: "tech-talk@aps.anl.gov" <tech-talk@aps.anl.gov>
Date: Tue, 24 Dec 2019 01:46:10 +0000
Great!
I just quick confirmed (waveform, ai, ao, longin, longout, bi, bo) that the pscdrv module is working with Debian 9/x64 version and NSLS-II BPM TCP/IP protocol.
 
I recommend Michael's pscdrv, If someone who is looking for an FPGA to epics IOC TCP/IP communication(control and extensive waveform monitoring).
Thanks a lot!

Kiman


-----Original Message-----
From: Michael Davidsaver <mdavidsaver@gmail.com> 
Sent: Monday, December 23, 2019 8:15 PM
To: Ha, Kiman <kha@bnl.gov>
Cc: tech-talk@aps.anl.gov
Subject: Re: pscdrv fftwrap compile error for the Debian/ x64

Debian has a quick way to search package contents.

https://urldefense.com/v3/__https://packages.debian.org/file:gsl/gsl_statistics_float.h__;!!P4SdNyxKAPE!U203vBqlOFxf_2lfeW3LqzwFonGpqnxEV-bL4CpwGYA18IVsenK8Dtan0cgS$ 

On 12/23/19 4:36 PM, Ha, Kiman wrote:
> Hi Michael,
> Thank you for the update, now no compile errors from fftwarp.
> 
> Do you remember that your BOOSTER power supply version which is the pscApp module ?
> Because my version included the pscApp  and found another error.
> 
> 
> ~/pscdrv/pscApp$ make
> make -C ./src install
> make[1]: Entering directory '/home/kha/pscdrv/pscApp/src'
> make -C O.linux-x86_64 -f ../Makefile TOP=../../.. \
>     T_A=linux-x86_64 install
> make[2]: Entering directory '/home/kha/pscdrv/pscApp/src/O.linux-x86_64'
> /usr/bin/g++  -D_GNU_SOURCE -D_DEFAULT_SOURCE         -Wdate-time -D_FORTIFY_SOURCE=2    -D_X86_64_  -DUNIX  -Dlinux     -O3 -g   -Wall    -fdebug-prefix-map=/build/epics-base-3.15.6=. -fstack-protector-strong -Wformat -Werror=format-security  -fno-operator-names -pedantic  -mtune=generic     -m64  -I. -I../O.Common -I. -I. -I.. -I../../../include/compiler/gcc -I../../../include/os/Linux -I../../../include -I/usr/lib/epics/include/compiler/gcc -I/usr/lib/epics/include/os/Linux -I/usr/lib/epics/include -I/usr/lib/epics/include/compiler/gcc -I/usr/lib/epics/include/os/Linux -I/usr/lib/epics/include -I/usr/lib/epics/include/compiler/gcc -I/usr/lib/epics/include/os/Linux -I/usr/lib/epics/include        -c ../psctbl.cpp
> ../psctbl.cpp:12:38: fatal error: gsl/gsl_statistics_float.h: No such 
> file or directory  #include <gsl/gsl_statistics_float.h>
>                                       ^ compilation terminated.
> /etc/epics/configure/RULES_BUILD:239: recipe for target 'psctbl.o' 
> failed
> make[2]: *** [psctbl.o] Error 1
> make[2]: Leaving directory '/home/kha/pscdrv/pscApp/src/O.linux-x86_64'
> /etc/epics/configure/RULES_ARCHS:58: recipe for target 
> 'install.linux-x86_64' failed
> make[1]: *** [install.linux-x86_64] Error 2
> make[1]: Leaving directory '/home/kha/pscdrv/pscApp/src'
> /etc/epics/configure/RULES_DIRS:84: recipe for target 'src.install' 
> failed
> make: *** [src.install] Error 2
> 
> 
> Thanks,
> Kiman
> 
> 
> 
> 
> 
> -----Original Message-----
> From: Michael Davidsaver <mdavidsaver@gmail.com>
> Sent: Monday, December 23, 2019 6:34 PM
> To: Ha, Kiman <kha@bnl.gov>
> Cc: tech-talk@aps.anl.gov
> Subject: Re: pscdrv fftwrap compile error for the Debian/ x64
> 
> Hi Kiman,
> 
> It's been some time since I built the fftw part.  Trying now, I see the same error.  The issue arises from the different representations of complex numbers in c/c++.  Part is described in part in the FFTW docs:
> 
> https://urldefense.com/v3/__http://www.fftw.org/fftw3_doc/Complex-numb
> ers.html*Complex-numbers__;Iw!!P4SdNyxKAPE!W66622Ie5V46cCewwHCcieEI9D7
> Y44C8eVWWUt80aIiUMS8qaYYtKpsLGm5c$
> 
> I'll discuss in depth as a similar issue recently came up with isnan() and friends from 'math.h' via 'epicsMath.h'.
> 
> The source of the problem is the "overlay" version of many of the C standard headers (<complex.h> among them) which GCC installs.  eg. "/usr/include/c++/8/complex.h"
> which is earlier in the implied search path than "/usr/include/complex.h".
> 
> This has long been the case, and can work through the gcc specific "#include_next"
> directive to also include the real header.  The recent (circa gcc 6) change is to skip the "#include_next" when compiling c++.  This hides the C99 standard complex types, and breaks the magic which FFTW uses to decide whether to use the C99 complex type, or the older 'double[2]' array type.
> 
> I originally wrote the pscdrv code to use C99 complex types on the assumption that was the future-proof way to go.  However, this is clearly not how things have turned out.
> Thankfully, I don't seem to have used more than creal() and cimag(), so the simplest change is to avoid complex.h altogether.
> 
> https://github.com/mdavidsaver/pscdrv/commit/b6dcdf7deecee95499dfb9f03
> 786f5297e123307
> 
> This compiles for me, however I have __not__ run tested the result.
> 
> 
> On 12/23/19 10:13 AM, Ha, Kiman wrote:
>> Hi Michael,
>>
>>  
>>
>> The psdrv softIOC module is running stably since 2015 with Debian-7/32-bit for the NSLS-II BPMs.
>>
>>  
>>
>> Now it is time to update Debian9 and 64 bit OS.
>>
>> https://github.com/mdavidsaver/pscdrv
>>
>> https://urldefense.com/v3/__http://irfu.cea.fr/Meetings/epics/present
>> a 
>> tions/Thursday/pscdrv-201410.pdf__;!!P4SdNyxKAPE!W66622Ie5V46cCewwHCc
>> i eEI9D7Y44C8eVWWUt80aIiUMS8qaYYtKsHQS4Fb$
>>
>>  
>>
>>  
>>
>> I was trying to compile the pscdrv module for the Debian-9 x64 environment and found some errors from the fftwrap module.
>>
>> Can you advice what happened?
>>
>>  
>>
>>  
>>
>> Environment:
>>
>> Debian GNU/Linux 9
>>
>> gcc version 6.3.0 20170516 (Debian 6.3.0-18+deb9u1)
>>
>>  
>>
>>  
>>
>> ~/pscdrv/sigApp$ make
>>
>> make -C ./src install
>>
>> make[1]: Entering directory '/home/kha/pscdrv/sigApp/src'
>>
>> make -C O.linux-x86_64 -f ../Makefile TOP=../../.. \
>>
>>     T_A=linux-x86_64 install
>>
>> make[2]: Entering directory '/home/kha/pscdrv/sigApp/src/O.linux-x86_64'
>>
>> /usr/bin/g++  -D_GNU_SOURCE -D_DEFAULT_SOURCE         -Wdate-time
>> -D_FORTIFY_SOURCE=2    -D_X86_64_  -DUNIX  -Dlinux     -O3 -g   -Wall 
>> -fdebug-prefix-map=/build/epics-base-3.15.6=. 
>> -fstack-protector-strong -Wformat -Werror=format-security   -mtune=generic     -m64 -fPIC -I.
>> -I../O.Common -I. -I. -I.. -I../../../include/compiler/gcc 
>> -I../../../include/os/Linux -I../../../include 
>> -I/usr/lib/epics/include/compiler/gcc
>> -I/usr/lib/epics/include/os/Linux -I/usr/lib/epics/include 
>> -I/usr/lib/epics/include/compiler/gcc
>> -I/usr/lib/epics/include/os/Linux -I/usr/lib/epics/include 
>> -I/usr/lib/epics/include/compiler/gcc
>> -I/usr/lib/epics/include/os/Linux -I/usr/lib/epics/include        -c 
>> ../fftwrap.cpp
>>
>> ../fftwrap.cpp: In member function 'void PSDCalc::calculate()':
>>
>> ../fftwrap.cpp:182:42: error: array must be initialized with a 
>> brace-enclosed initializer
>>
>>                  fftw_complex temp = mid[j];
>>
>>                                           ^
>>
>> ../fftwrap.cpp:184:39: error: cannot convert 'double*' to '__complex__ double' for argument '1' to 'double creal(__complex__ double)'
>>
>>                  out[j-1] += creal(temp)*creal(temp) + 
>> cimag(temp)*cimag(temp);
>>
>>                                        ^
>>
>> ../fftwrap.cpp:184:51: error: cannot convert 'double*' to '__complex__ double' for argument '1' to 'double creal(__complex__ double)'
>>
>>                  out[j-1] += creal(temp)*creal(temp) + 
>> cimag(temp)*cimag(temp);
>>
>>                                                    ^
>>
>> ../fftwrap.cpp:184:65: error: cannot convert 'double*' to '__complex__ double' for argument '1' to 'double cimag(__complex__ double)'
>>
>>                  out[j-1] += creal(temp)*creal(temp) + 
>> cimag(temp)*cimag(temp);
>>
>>                                                                  ^
>>
>> ../fftwrap.cpp:184:77: error: cannot convert 'double*' to '__complex__ double' for argument '1' to 'double cimag(__complex__ double)'
>>
>>                  out[j-1] += creal(temp)*creal(temp) + 
>> cimag(temp)*cimag(temp);
>>
>>                                                                              
>> ^
>>
>> In file included from ../fftwrap.cpp:17:0:
>>
>> ../fftwrap.h: In instantiation of 'void FFTWAllocator<T>::destroy(FFTWAllocator<T>::pointer) [with T = double [2]; FFTWAllocator<T>::pointer = double (*)[2]]':
>>
>> /usr/include/c++/6/bits/alloc_traits.h:256:4:   required from 'static decltype (__a.destroy(__p)) std::allocator_traits<_Alloc>::_S_destroy(_Alloc2&, _Tp*, int) [with _Alloc2 = FFTWAllocator<double [2]>; _Tp = double [2]; _Alloc = FFTWAllocator<double [2]>; decltype (__a.destroy(__p)) = void]'
>>
>> /usr/include/c++/6/bits/alloc_traits.h:356:14:   required from 'static void std::allocator_traits<_Alloc>::destroy(_Alloc&, _Tp*) [with _Tp = double [2]; _Alloc = FFTWAllocator<double [2]>]'
>>
>> /usr/include/c++/6/bits/stl_construct.h:143:19:   required from 'void std::_Destroy(_ForwardIterator, _ForwardIterator, _Allocator&) [with _ForwardIterator = double (*)[2]; _Allocator = FFTWAllocator<double [2]>]'
>>
>> /usr/include/c++/6/bits/vector.tcc:571:18:   required from 'void std::vector<_Tp, _Alloc>::_M_default_append(std::vector<_Tp, _Alloc>::size_type) [with _Tp = double [2]; _Alloc = FFTWAllocator<double [2]>; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
>>
>> /usr/include/c++/6/bits/stl_vector.h:677:21:   required from 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type) [with _Tp = double [2]; _Alloc = FFTWAllocator<double [2]>; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
>>
>> ../fftwrap.cpp:143:35:   required from here
>>
>> ../fftwrap.h:72:10: error: request for member '~double [2]' in '* p', which is of non-class type 'double [2]'
>>
>>      {p->~T();}
>>
>>       ~~~~^
>>
>> ../fftwrap.h: In instantiation of 'void FFTWAllocator<T>::construct(FFTWAllocator<T>::pointer, FFTWAllocator<T>::const_reference&) [with T = double [2]; FFTWAllocator<T>::pointer = double (*)[2]; FFTWAllocator<T>::const_reference = const double (&)[2]]':
>>
>> /usr/include/c++/6/bits/alloc_traits.h:243:4:   required from 'static std::_Require<typename std::allocator_traits<_Alloc>::__construct_helper<_Tp, _Args>::type> std::allocator_traits<_Alloc>::_S_construct(_Alloc&, _Tp*, _Args&& ...) [with _Tp = double [2]; _Args = {double [2]}; _Alloc = FFTWAllocator<double [2]>; std::_Require<typename std::allocator_traits<_Alloc>::__construct_helper<_Tp, _Args>::type> = void]'
>>
>> /usr/include/c++/6/bits/alloc_traits.h:344:16:   required from 'static decltype (std::allocator_traits<_Alloc>::_S_construct(__a, __p, (forward<_Args>)(std::allocator_traits::construct::__args)...)) std::allocator_traits<_Alloc>::construct(_Alloc&, _Tp*, _Args&& ...) [with _Tp = double [2]; _Args = {double [2]}; _Alloc = FFTWAllocator<double [2]>; decltype (std::allocator_traits<_Alloc>::_S_construct(__a, __p, (forward<_Args>)(std::allocator_traits::construct::__args)...)) = void]'
>>
>> /usr/include/c++/6/bits/stl_uninitialized.h:267:25:   required from '_ForwardIterator std::__uninitialized_copy_a(_InputIterator, _InputIterator, _ForwardIterator, _Allocator&) [with _InputIterator = std::move_iterator<double (*)[2]>; _ForwardIterator = double (*)[2]; _Allocator = FFTWAllocator<double [2]>]'
>>
>> /usr/include/c++/6/bits/stl_uninitialized.h:303:2:   required from '_ForwardIterator std::__uninitialized_move_if_noexcept_a(_InputIterator, _InputIterator, _ForwardIterator, _Allocator&) [with _InputIterator = double (*)[2]; _ForwardIterator = double (*)[2]; _Allocator = FFTWAllocator<double [2]>]'
>>
>> /usr/include/c++/6/bits/vector.tcc:563:7:   required from 'void std::vector<_Tp, _Alloc>::_M_default_append(std::vector<_Tp, _Alloc>::size_type) [with _Tp = double [2]; _Alloc = FFTWAllocator<double [2]>; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
>>
>> /usr/include/c++/6/bits/stl_vector.h:677:21:   required from 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type) [with _Tp = double [2]; _Alloc = FFTWAllocator<double [2]>; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
>>
>> ../fftwrap.cpp:143:35:   required from here
>>
>> ../fftwrap.h:69:6: error: parenthesized initializer in array new 
>> [-fpermissive]
>>
>>      {::new((void*)p) T(val);}
>>
>>       ^~~~~~~~~~~~~~~~~~~~~~
>>
>> /etc/epics/configure/RULES_BUILD:239: recipe for target 'fftwrap.o' 
>> failed
>>
>> make[2]: *** [fftwrap.o] Error 1
>>
>> make[2]: Leaving directory '/home/kha/pscdrv/sigApp/src/O.linux-x86_64'
>>
>> /etc/epics/configure/RULES_ARCHS:58: recipe for target 
>> 'install.linux-x86_64' failed
>>
>> make[1]: *** [install.linux-x86_64] Error 2
>>
>> make[1]: Leaving directory '/home/kha/pscdrv/sigApp/src'
>>
>> /etc/epics/configure/RULES_DIRS:84: recipe for target 'src.install' 
>> failed
>>
>> make: *** [src.install] Error 2
>>
>>  
>>
> 


References:
pscdrv fftwrap compile error for the Debian/ x64 Ha, Kiman via Tech-talk
Re: pscdrv fftwrap compile error for the Debian/ x64 Michael Davidsaver via Tech-talk
RE: pscdrv fftwrap compile error for the Debian/ x64 Ha, Kiman via Tech-talk
Re: pscdrv fftwrap compile error for the Debian/ x64 Michael Davidsaver via Tech-talk

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