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commit 3956eb4456d23f7ba937d9b2b726c1b6eac64530
Author: Vladimir V. Kisil <V.Kisilv(a)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(a)ginac.de>
Date: Mon Apr 5 20:57:34 2021 +0200
Add exam for ex::collect().
commit 7805dc0c2358b7774ad08cd443cd945cbd940749
Author: Richard Kreckel <kreckel(a)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(a)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