[GiNaC-devel] [SCM] GiNaC -- a C++ library for symbolic computations branch, master, updated. release_1-4-0-449-g43e31c5

[Richard B. Kreckel]

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- Log -----------------------------------------------------------------
commit 43e31c593da10e6bf3c726236d3d794bc428bd3c
Author: Vladimir Kisil <kisilv at maths.leeds.ac.uk>
Date:   Wed Apr 22 23:21:53 2015 +0200

    Improve abs(arg).
    
    Make abs(arg) return -arg if arg is negative or if -arg is known to be
    nonnegative.

commit 0f7f5c00470b6f1d10b668e3a7b34438ed005d0f
Author: Vladimir Kisil <kisilv at maths.leeds.ac.uk>
Date:   Wed Apr 22 23:06:56 2015 +0200

    Fix pow::info(info_flags::nonnegative).
    
    This function call was missing the case where a positive base is raised
    to a real power (where pow::info(info_flags::positive) correctly returned
    true).

commit 62168ea93d23c81172ad07f9ec2f7044d1570681
Author: Vladimir Kisil <kisilv at maths.leeds.ac.uk>
Date:   Wed Apr 22 21:52:15 2015 +0200

    Fix mul::info(info_flags::nonnegative).
    
    Due to an obvious Boolean inversion, this function call always
    returned the wrong answer.

-----------------------------------------------------------------------

Summary of changes:
 ginac/inifcns.cpp | 3 +++
 ginac/mul.cpp     | 2 +-
 ginac/power.cpp   | 3 ++-
 3 files changed, 6 insertions(+), 2 deletions(-)


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GiNaC -- a C++ library for symbolic computations