<div dir="ltr">Thank you so much surender but as I runned the locate fftw.f command it showed the following response. it is not able to find the concerned directory.<div><br></div><div><div>[vipin@localhost espresso-5.3.0]$ locate fftw3.f</div><div>warning: locate: could not open database: /var/lib/slocate/slocate.db: No such file or directory</div><div>warning: You need to run the 'updatedb' command (as root) to create the database.</div><div>Please have a look at /etc/updatedb.conf to enable the daily cron job.</div></div><div><br></div><div>Regards:</div><div>Tushar</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 3:47 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>
Even for CentOS the procedure is same, first locate fftw3.f file by 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 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>
<span class=""><br>
> Hi surender<br>
> my OS is centOS.<br>
><br>
> Thanks.<br>
> Tushar<br>
><br>
</span>> *Tushar Gupta.*<br>
<div class="HOEnZb"><div class="h5">><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 already<br>
>> installed "libfftw3-dev" package. Now you can try the following, 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 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 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 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>
>> > Pw_forum mailing list<br>
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>><br>
>><br>
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