Looking for a fast exp(x) where -10.0<=x<=10.0

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Article #1060

#1060

From: Scott Watson
Date: Thu, 01 Nov 1990 18:48

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Hi y'all -

I have a need for an fast exp(x) function...

x is a float and can range inside +-10.0.

Some sort of low granularity (read: *big array*) lookup table w/
interpolation, or something... 

Any ideas?

Thanks in advance

Scott Watson / Walt Disney Imagineering                   scott@walt.disney.com
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Scott Watson / Walt Disney Imagineering                   scott@walt.disney.com
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!elroy.jpl.nasa.gov!walt.disney.com!scott

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!elroy.jpl.nasa.gov!walt.disney.com!scott
From: scott@walt.disney.com (Scott Watson)
Newsgroups: comp.dsp,sci.math.num-analysis
Subject: Looking for a fast exp(x) where -10.0<=x<=10.0
Keywords: exp fast functions lookup tables
Message-ID: <1990Nov1.184820.5796@walt.disney.com>
Date: 1 Nov 90 18:48:20 GMT
Sender: scott@walt.disney.com (Scott Watson)
Organization: Walt Disney Imagineering
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