[music-dsp] cos+img(sin) or... ifft...

[Leif - Christian Ringstad]

hehe... stupid me... I should have played a bit more around in matlab...
got locked up on that I needed the i for the phase...
Thanks!!!!

Leif
> Just ditch the "i"--you are already doing it with the cos/sin
>
>
> Leif - Christian Ringstad wrote:
>
>>Hi all...
>>
>>I'm doing this :
>>y = A*cos(k*x/32)+i*B*sin(k*x/32) and so on... where k is from 1 to 32.
>>
>>which is the base of a ifft really...
>>
>>What my problem now is... how to get that imaginary part onto c code..
>>this is an approach that I have thought of :
>>double temp[];
>>for (k = 1 ; k = 32;k++)
>>{
>>temp[k]=A*cos(k*x/32)+i*B*sin(k*x/32)
>>}
>>
>>A and B are variables that come from some earlier parts of the code.
>>
>>The problem then is how to implement the imaginary part, which will be
>>a change of the phase. Anyone that can lead me to a start ?
>>
>>cheers,
>>Leif
>>--------------------
>>drift - hekta.org
>>http://www.hekta.org
>>
>>
>
>
>
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