<div dir="ltr">hi surender,<div>actually FFTXLib is already there below I have list all the tools of my espresso library but it does not have that file fftw3.f what should I do now?</div><div><br></div><div><br></div><div>inspiron@DELL ~</div><div><div>$ ssh <a href="mailto:vipin@10.111.102.145">vipin@10.111.102.145</a></div><div><a href="mailto:vipin@10.111.102.145">vipin@10.111.102.145</a>'s password:</div><div>Last login: Thu Feb 11 18:48:39 2016 from 10.111.102.54</div><div>[vipin@localhost ~]$ ls</div><div>Desktop DFTBP fftw-3.3.4 Quantum_Espresso</div><div>[vipin@localhost ~]$ cd Quantum_Espresso/</div><div>[vipin@localhost Quantum_Espresso]$ ls</div><div>espresso-5.3.0 espresso-5.3.0.tar.gz</div><div>[vipin@localhost Quantum_Espresso]$ cd espresso-5.3.0</div><div>[vipin@localhost espresso-5.3.0]$ ls</div><div>archive COUPLE environment_variables include make.sys PW</div><div>bin CPV FFTXlib install Modules README</div><div>clib dev-tools flib License PP</div><div>configure Doc foo Makefile pseudo</div><div>[vipin@localhost espresso-5.3.0]$</div></div><div><br></div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><font size="4" color="#0000ff" face="georgia, serif"><b><i><u>Tushar Gupta.</u></i></b></font></div></div></div>
<br><div class="gmail_quote">On Thu, Feb 11, 2016 at 10:02 PM, Surender <span dir="ltr"><<a href="mailto:surender_kumar@iitb.ac.in" target="_blank">surender_kumar@iitb.ac.in</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br>
I will suggest you to first ask the system administrator whether he had<br>
already installed the FFTW library somewhere? If he hadn't then you can<br>
ask him to do the same or you can install it in your home directory (I can<br>
help with the installation).<br>
<span class="HOEnZb"><font color="#888888"><br>
Surender<br>
</font></span><span class="im HOEnZb"><br>
> Thank you so much surender but as I runned the locate fftw.f command it<br>
> showed the following response. it is not able to find the concerned<br>
> directory.<br>
><br>
> [vipin@localhost espresso-5.3.0]$ locate fftw3.f<br>
> warning: locate: could not open database: /var/lib/slocate/slocate.db: No<br>
> such file or directory<br>
> warning: You need to run the 'updatedb' command (as root) to create the<br>
> database.<br>
> Please have a look at /etc/updatedb.conf to enable the daily cron job.<br>
><br>
> Regards:<br>
> Tushar<br>
><br>
><br>
</span><div class="HOEnZb"><div class="h5">> *Tushar Gupta.*<br>
><br>
> On Thu, Feb 11, 2016 at 3:47 PM, Surender <<a href="mailto:surender_kumar@iitb.ac.in">surender_kumar@iitb.ac.in</a>><br>
> wrote:<br>
><br>
>> Hi<br>
>> Even for CentOS the procedure is same, first locate fftw3.f file by<br>
>> running<br>
>> locate fftw3.f (in terminal)<br>
>><br>
>> === sample output ====<br>
>> /export/apps/fftw3/intel/float/include/fftw3.f<br>
>> /export/apps/intel/Compiler/11.1/069/mkl/include/fftw/fftw3.f<br>
>> /export/apps/intel/Compiler/11.1/073/mkl/include/fftw/fftw3.f<br>
>><br>
>> So my fftw3.f is located in /export/apps/fftw3/intel/float/include (if<br>
>> available, you can try the intel version as well), now change your<br>
>> IFLAGS<br>
>> in make.sys file and it should look like<br>
>><br>
>> IFLAGS = -I../include -I/export/apps/fftw3/intel/float/include<br>
>><br>
>> And if it doesn't work the copy and paste the fftw3.f file in FFTXlib<br>
>> folder in espresso-5.3.0. If you can't locate fftw3.f then you will have<br>
>> to ask your sysadmin either to locate or install the same.<br>
>><br>
>> Surender Kumar<br>
>><br>
>> PS : Both options worked for me (Cluster with CentOS release 5.4)<br>
>><br>
>> > Hi surender<br>
>> > my OS is centOS.<br>
>> ><br>
>> > Thanks.<br>
>> > Tushar<br>
>> ><br>
>> > *Tushar Gupta.*<br>
>> ><br>
>> > On Thu, Feb 11, 2016 at 2:19 AM, Surender <<a href="mailto:surender_kumar@iitb.ac.in">surender_kumar@iitb.ac.in</a>><br>
>> > wrote:<br>
>> ><br>
>> >> Hi Tushar,<br>
>> >><br>
>> >> You didn't mentions your OS so I assume its Ubuntu and you have<br>
>> already<br>
>> >> installed "libfftw3-dev" package. Now you can try the following,<br>
>> first<br>
>> >> find out the location of "fftw3.f" and then add it to your IFLAGS in<br>
>> >> "make.sys" file. For Ubuntu 12.04 LTS this file is located in<br>
>> >> "/usr/include/". After adding to IFLAGS, it should look like<br>
>> >><br>
>> >> IFLAGS = -I../include -I/usr/include/<br>
>> >><br>
>> >> If above doesn't work, then try to copy the file into FFTXlib folder<br>
>> >> located in your main QE directory and have look at the discussion<br>
>> >> <a href="http://www.mail-archive.com/pw_forum%40pwscf.org/msg27600.html" rel="noreferrer" target="_blank">http://www.mail-archive.com/pw_forum%40pwscf.org/msg27600.html</a><br>
>> >><br>
>> >> HTH<br>
>> >> Surender Kumar<br>
>> >><br>
>> >> > Dear all,<br>
>> >> ><br>
>> >> > I am a novice to this field of computational studies and i am<br>
>> trying<br>
>> >> to<br>
>> >> > install quantum espresso version 5.3.0 in linux so as I run the<br>
>> >> > configuration file I am getting an error which says unable to find<br>
>> a<br>
>> >> > fftw3.f file. I am unable to figure out what to do next.<br>
>> >> > I will be even more grateful if any body could suggest me a good<br>
>> >> reference<br>
>> >> > so that I can clear my basics in this field of computational<br>
>> studies<br>
>> >> > particularly with this quantum espresso.<br>
>> >> > Please try to respond in a simplest manner possible.<br>
>> >> ><br>
>> >> ><br>
>> >> > Thanks and Regards:<br>
>> >> > *Tushar Gupta.*<br>
>> >> > _______________________________________________<br>
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>> >><br>
>> >><br>
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