[GiNaC-devel] [SCM] GiNaC -- a C++ library for symbolic computations branch, master, updated. release_1-4-0-714-g3956eb44

[Richard B. Kreckel]

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- Log -----------------------------------------------------------------
commit 3956eb4456d23f7ba937d9b2b726c1b6eac64530
Author: Vladimir V. Kisil <V.Kisilv at leeds.ac.uk>
Date:   Mon Apr 5 21:01:30 2021 +0200

    [PATCH] Improve normalisation of negative exponents.
    
    If an expression contains exponents with opposite signs,
    then the respective symbolic substitutions need to be properly
    attributed to numerator/denominator slots.

commit 3d7b9dad7f51c748b52e53ce2f759ae432531de1
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Mon Apr 5 20:57:34 2021 +0200

    Add exam for ex::collect().

commit 7805dc0c2358b7774ad08cd443cd945cbd940749
Author: Richard Kreckel <kreckel at ginac.de>
Date:   Mon Apr 5 20:46:55 2021 +0200

    [PATCH] Make ex::operator[] const dispatch to basic::operator[] const.
    
    It turned out that ex::operator[] const dispatched to non-const
    basic::operator[] because
    * member variable ex::bp is non-const and
    * ptr<T>::operator*() returns a non-const T &.
    
    As a result, indexing failed for multiply referenced objects.
    
    Thanks to Vitaly Magerya <vmagerya at gmail.com> for reporting this.

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

Summary of changes:
 check/.gitignore             |   1 +
 check/CMakeLists.txt         |   1 +
 check/Makefile.am            |   4 ++
 check/exam_collect.cpp       | 152 +++++++++++++++++++++++++++++++++++++++++++
 check/exam_normalization.cpp |  20 ++++++
 check/exam_paranoia.cpp      |  22 +++++++
 ginac/ex.h                   |   4 +-
 ginac/normal.cpp             |  10 ++-
 8 files changed, 209 insertions(+), 5 deletions(-)
 create mode 100644 check/exam_collect.cpp


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GiNaC -- a C++ library for symbolic computations