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From: muttiah@stable.ecn.purdue.edu (Ranjan S Muttiah)
Newsgroups: comp.dsp
Subject: Fast way to evaluate an exponential
Message-ID: <1991Jun9.071214.2073@noose.ecn.purdue.edu>
Date: 9 Jun 91 07:12:14 GMT
Sender: root@noose.ecn.purdue.edu (ECN System Management)
Organization: Purdue University Engineering Computer Network
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Is there a fast way to evaluate e^-x (using table look ups) than having to
use exp(.) in c ?  I have to call the exponential many times and looking for
ways to save time.