how to program fft to plot a frequency domain?

This is a discussion on how to program fft to plot a frequency domain? within the C Programming forums, part of the General Programming Boards category; if i have a file conatains 1,000 samples of a waveform (10,000* 0.1 =1,000)samples. And i am supposed to perform ...

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    how to program fft to plot a frequency domain?

    if i have a file conatains 1,000 samples of a waveform (10,000* 0.1 =1,000)samples. And i am supposed to perform FFT on this waveform and plot its frequency domain. I have no idea where i should start...

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    http://en.wikipedia.org/wiki/Fft
    And get comfy for a nice long read.
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