ch07.026_best

来自「Perl Best Practices the source code」· 026_BEST 代码 · 共 14 行

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##   Code fragment (Recommended) from Chapter 7 of "Perl Best Practices"    ##
##     Copyright (c) O'Reilly & Associates, 2005. All Rights Reserved.      ##
##  See: http://www.oreilly.com/pub/a/oreilly/ask_tim/2001/codepolicy.html  ##
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=for Domain:
     No observation is ever recorded without an error bound. Hence the
     use of interval arithmetic in the next three subroutines. 
 
=cut