CoCoA

13 Oct 2013

19:52 Bug #402: Problem with 64-bit BOOST on Linux (Werner)

JAA has sent to Werner 4 modified files -- awaiting confirmation that they work for him.
The "solution" is a cheap h... John Abbott

12 Oct 2013

20:05 Bug #402 (In Progress): Problem with 64-bit BOOST on Linux (Werner)

JAA is considering simplifying the script for locating BOOST:
essentially it stops as soon as it finds an installati... John Abbott

19:58 CoCoALib Feature #407 (Closed): RingElem ctor from mpz_t (from Bruns)

Bruns would like a ctor for @RingElem@ from an @mpz_t@ (or perhaps even @mpz_class@), rather than having to create an... John Abbott

11 Oct 2013

13:01 CoCoA-5 Slug #405: ReducedGBasis not memorized in an ideal

ReducedGBasis is defined in package: no wonder it is slow!
I will try to implement it in CoCoALib and see how heavy ... Anna Maria Bigatti

12:52 CoCoA-5 Slug #405 (In Progress): ReducedGBasis not memorized in an ideal

This is what happens... Anna Maria Bigatti

10 Oct 2013

14:26 CoCoA-5 Support #406 (Closed): Manual for CoCoAManual/CoCoAHelp.xml

write a README with instructions about how to write an entry in CoCoAManual/CoCoAHelp.xml Anna Maria Bigatti

12:42 CoCoALib Design #404: deg(F,X) instead of MaxExponent(F,X) ?

The fn for computing the degree of an indet in a PP is called *@exponent@* (presumably the name was chosen after the ... John Abbott

09 Oct 2013

18:17 CoCoA-5 Slug #405 (Closed): ReducedGBasis not memorized in an ideal

Sometimes C5 seems not to memorize a computed GBasis -- or is it simply re-interreducing?
Anyway, this is an ugly sl... John Abbott

18:14 CoCoALib Design #404 (Closed): deg(F,X) instead of MaxExponent(F,X) ?

Currently CoCoALib has a fn called *@MaxExponent@* which computes the degree of a poly in an indet.
Can we rename ... John Abbott

18:09 CoCoALib Feature #91: Return type & name for "indets" of a PP

Name suggestions:
* *@IndetSupport@*
Related fns could be *@DependsOn@* as in @DependsOn(f,x)@. Would we need... John Abbott

05 Oct 2013

11:09 CoCoALib Feature #91 (In Progress): Return type & name for "indets" of a PP

The return type @vector<long>@ can easily be modelled in CoCoA-5 (as @LIST@ of @INT@). However, do note that in C++ ... John Abbott

16 Sep 2013

11:08 CoCoA-5 Design #403: Misuse of dot-dot operator

Is the indet version of operator @..@ ever used outside a call to @elim@?
John Abbott

11:06 CoCoA-5 Design #403: Misuse of dot-dot operator

In CoCoA-4 the range of indets produced was simply from the @i@-th to the @j@-th where @i@ is the index of the first ... John Abbott

10:58 CoCoA-5 Design #403: Misuse of dot-dot operator

Making operator @..@ work "as expected" for indeterminates is not entirely simple.
Consider the expression @x[1]..... John Abbott

10:46 CoCoA-5 Design #403 (Rejected): Misuse of dot-dot operator

Giulia Bianco produced an *interesting misuse* of the @..@ operator, namely @v[1]..v[r]@ thinking (not unreasonably) ... John Abbott