Re: [Boost-bugs] [Boost C++ Libraries] #10104: program aborts with log1p(-2.0Q)

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #10104: program aborts with log1p(-2.0Q)
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2014-06-09 11:50:55

#10104: program aborts with log1p(-2.0Q)
-----------------------------------------+----------------------------
  Reporter:  Charles Karney <charles@…>  |      Owner:  johnmaddock
      Type:  Bugs                        |     Status:  closed
 Milestone:  To Be Determined            |  Component:  multiprecision
   Version:  Boost 1.54.0                |   Severity:  Problem
Resolution:  invalid                     |   Keywords:
-----------------------------------------+----------------------------

Comment (by johnmaddock):

 Not so minor, but I'm unable to reproduce (admittedly using current
 develop), this:

 {{{
    std::cout << boost::math::log1p(float128(-1)) << std::endl;
    std::cout << boost::math::log1p(float128(-2)) << std::endl;
 }}}

 Outputs
 {{{
 -inf
 nan
 }}}

 as expected.

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/10104#comment:3>
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