That looks correct to me and it's actually a good idea.
Another solution (less efficient) is to modify the table
reader into an exp() call (needs a sign reversal).

Regards

Victor
----- Original Message ----- 
From: "David Akbari" 
To: 
Sent: Wednesday, December 17, 2008 4:51 PM
Subject: [Csnd] Re: Re: Re: Re: Re: Re: Modified FM example


> Ok, so I just tried the original instrument in this thread with the
> "exp" instrument... not sure if it's right, but it sounds neat.
>
> Maybe this is the version for those people who are still using Csound
> version <= 5.08 ?
>
>
> -David
>
> On Wed, Dec 17, 2008 at 10:44 AM, David Akbari  wrote:
>> I have attempted to create the "exp" GEN as a higher level instrument
>> and I'm wondering if this is correct or not? I tried to ascertain what
>> was being done by looking at the source code.. the idea is you would
>> run this instrument once and generate the table that is equivalent
>> (hopefully) to the "exp" GEN subroutine.. what problems are there with
>> this? Does anyone have the output of the "exp" table to compare to?
>> I'm still running the ancient
>> Csound version 5.08.91 (float samples) Apr 29 2008
>> libsndfile-1.0.16
>>
>> 
>> 
>>
>>
>> sr              =       44100
>> kr              =       441
>> ksmps           =       100
>> nchnls  =       2
>>
>> /*--- ---*/
>>
>>                instr   1
>>
>> ifgen = p4
>> isize = p5
>> istart = p6
>> iend = p7
>>
>> kloop init 0
>> ksig init istart
>>
>> itmp    ftgen   ifgen, p2, isize, -7, 0, isize, 0
>>
>> incr = (iend - istart) / ftlen(ifgen)
>>
>> loopStart:
>>
>>        tablew  exp(ksig), kloop, ifgen
>>
>>
>> ;       printk2 exp(ksig)
>>
>>
>>        ksig = ksig + incr
>>        loop_lt kloop, 1, ftlen(ifgen), loopStart
>>
>>                endin
>>
>> /*--- ---*/
>> 
>> 
>> i1 0 1 3 131072 0 -14
>> 
>> 
>>
>
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