[GiNaC-devel] [SCM] GiNaC -- a C++ library for symbolic computations branch, master, updated. release_1-4-0-204-g6afbb97

[Jens Vollinga]

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- Log -----------------------------------------------------------------
commit 6afbb9793e359cf388462c471ea256a6662b0cd4
Author: Alexei Sheplyakov <alexei.sheplyakov at gmail.com>
Date:   Tue Feb 23 12:01:23 2010 +0200

    pgcd(): detect relatively prime polynomials properly...
    
    ... so pgcd() doesn't loop forever any more. Division test does not handle
    relatively prime polynomials (because C = 1 divides any polynomial). So we
    should stop interpolation (and return gcd of contents) if we got relatively
    prime images (we should do that for efficiency reasons too).
    
    Thanks to Jörg Arndt for a bug report.

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

Summary of changes:
 check/Makefile.am                   |    3 +++
 check/pgcd_relatively_prime_bug.cpp |   31 +++++++++++++++++++++++++++++++
 ginac/polynomial/pgcd.cpp           |    4 ++--
 3 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 check/pgcd_relatively_prime_bug.cpp


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GiNaC -- a C++ library for symbolic computations