Re: [Boost-bugs] [Boost C++ Libraries] #8798: pow(cpp_dec_float_type(0), cpp_dec_float_type(n)) != 0 for n > 1

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #8798: pow(cpp_dec_float_type(0), cpp_dec_float_type(n)) != 0 for n > 1
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2013-07-09 06:04:28

#8798: pow(cpp_dec_float_type(0), cpp_dec_float_type(n)) != 0 for n > 1
--------------------------------------+----------------------------
  Reporter:  Jan Bouwer <JBouwer@…>   |      Owner:  johnmaddock
      Type:  Bugs                     |     Status:  new
 Milestone:  To Be Determined         |  Component:  multiprecision
   Version:  Boost Development Trunk  |   Severity:  Problem
Resolution:                           |   Keywords:
--------------------------------------+----------------------------

Comment (by Jan Bouwer <JBouwer@…>):

 Output of the attached code:
 {{{
 pow(0, 0) = 1
 pow(0, 1) = 0
 pow(0, 2) = 0
 pow(1, 0) = 1
 pow(1, 1) = 1
 pow(1, 2) = 1
 pow(2, 0) = 1
 pow(2, 1) = 2
 pow(2, 2) = 4
 pow(0, 0) = 1
 pow(0, 1) = 0
 pow(0, 2) = 1 - Unexpected!
 pow(1, 0) = 1
 pow(1, 1) = 1
 pow(1, 2) = 1
 pow(2, 0) = 1
 pow(2, 1) = 2
 pow(2, 2) = 4
 pow(0, 0) = 1
 pow(0, 1) = 0
 pow(0, 2) = 1 - Unexpected!
 pow(1, 0) = 1
 pow(1, 1) = 1
 pow(1, 2) = 1
 pow(2, 0) = 1
 pow(2, 1) = 2
 pow(2, 2) = 4
 pow(0, 0) = 1
 pow(0, 1) = 0
 pow(0, 2) = 1 - Unexpected!
 pow(1, 0) = 1
 pow(1, 1) = 1
 pow(1, 2) = 1
 pow(2, 0) = 1
 pow(2, 1) = 2
 pow(2, 2) = 4
 }}}

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Ticket URL: <https://svn.boost.org/trac/boost/ticket/8798#comment:1>
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