Can someone provide me the C code to perform fft of floating point data stored on an array?

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Floating point data are stored in a .dat file which is read in the C code and stored in an array. Now, I wanted to perform fft of the data in the array. Could someone help me with the entire C code?

What I have tried:

I've read the .dat file using fopen and stored in the array.

Posted 18-Sep-17 23:34pm

Member 12219645

Updated 19-Sep-17 0:52am

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Patrice T 19-Sep-17 5:42am

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3 solutions

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OriginalGriff · Answer 1 · 2017-09-18T23:39:00

It doesn't quite work like that.
We do not do your work for you.
If you want someone to write your code, you have to pay - I suggest you go to Freelancer.com and ask there.

But be aware: you get what you pay for. Pay peanuts, get monkeys.

The idea of "development" is as the word suggests: "The systematic use of scientific and technical knowledge to meet specific objectives or requirements." BusinessDictionary.com[^]
That's not the same thing as "have a quick google and give up if I can't find exactly the right code".
So either pay someone to do it, or learn how to write it yourself. We aren't here to do it for you.

Jochen Arndt · Answer 2 · 2017-09-18T23:44:00

Solution 2

You might use a FFT library instead. A well known is FFTW Home Page[^]. You might also have a look at the sources of that library.

Posted 18-Sep-17 23:44pm

Jochen Arndt

CPallini · Answer 3 · 2017-09-19T00:52:00

Solution 3

Let Me Google That For You[^].

Posted 19-Sep-17 0:52am

CPallini