Activity
From 09 Sep 2014 to 08 Oct 2014
03 Oct 2014
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12:03 CoCoA-5 Support #632: MacOSX: many warnings with compiler CLANG/LLVM when compiling BOOST code.
- I have revised some impls in @CoCoALibSupplement.C@ to avoid some warnings by Clang/LLVM; the problem derived from th...
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12:00 CoCoA-5 Support #632: MacOSX: many warnings with compiler CLANG/LLVM when compiling BOOST code.
- Currently the edit has to be done by hand.
Is it worth trying to add the flag automatically? (_e.g._ during config... -
11:57 CoCoA-5 Support #632 (Closed): MacOSX: many warnings with compiler CLANG/LLVM when compiling BOOST code.
- Recent MacOSX compilers produce lots of (spurious?) warnings when compiling BOOST code.
The warnings can be suppre...
26 Sep 2014
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15:40 CoCoALib Bug #631 (Closed): Ambiguous: rank for matrix (in ex-matrix1.C)
- Apple LLVM version 6.0 (Laura's new computer) reports that @rank@ is ambiguous in @ex-matrix1.C@
25 Sep 2014
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16:10 CoCoALib Feature #630 (Closed): Add graeffe function?
- Add a new fn @graeffe@ which transforms a polynomial into one whose roots are the squares of the root of the original...
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14:35 CoCoA-5 Support #629: Windows-GUI: compilation with MinGW
- == Download and unpack Boost 1.56
http://sourceforge.net/projects/boost/files/boost/1.56.0/
start bootstrap.bat g... -
13:44 CoCoA-5 Support #629: Windows-GUI: compilation with MinGW
- == Download and unpack GMP 6.0.0a
https://gmplib.org/download/gmp/gmp-6.0.0a.tar.lz
(might need to install zlib... -
13:43 CoCoA-5 Support #629: Windows-GUI: compilation with MinGW
- (Following and updating Jan Limbeck's notes)
== Download QT 5.3.2 32 Bit with MinGW compiler
http://download.qt-... -
11:13 CoCoA-5 Support #629 (In Progress): Windows-GUI: compilation with MinGW
- Instructions on how to compile with MinGW (including GUI)
23 Sep 2014
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16:30 CoCoALib Feature #627: Gaussian integer and rationals ZZi, QQi
- Recalling that every ring (except @RingZZ@) in CoCoALib has a @BaseRing@ and an "extension type". What should the @B...
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11:40 CoCoALib Feature #627: Gaussian integer and rationals ZZi, QQi
- What should be the internal representation of an element of @QQ[i]@?
# a pair of @BigRat@ values (real and imag part...
22 Sep 2014
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18:16 CoCoALib Feature #628 (New): Complex twin-floats
- Ulrich would like to compute with (approximations to) complex numbers.
Can twin-floats be extended to complexes? ... -
18:15 CoCoALib Feature #627 (New): Gaussian integer and rationals ZZi, QQi
- Ulrich would like to have an easy way to compute with (approximations to) complex numbers.
Currently, it is possib...
17 Sep 2014
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17:27 CoCoA-5 Bug #612: The C5 gui does not exit properly when using the exit menu entry
- This is a known bug. We had looked for it ages ago (obviously without success).
The bug appears to be "minor" in ... -
13:11 CoCoA-5 Feature #626 (New): Output Betti numbers
- Taken from an email of 20140709:...
16 Sep 2014
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13:44 CoCoALib Design #620: Redesign CRTMill
- Maybe the @vector@ version needs a little more thought.
In a deterministic algorithm, where we lift to an _a prior... -
13:26 CoCoALib Feature #625: NumTheory: sieve of Eratosthenes
- I have now checked in the code.
15 Sep 2014
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23:59 CoCoALib Feature #625: NumTheory: sieve of Eratosthenes
- Added maintainer doc, test (seems its was needed), and example (a bit difficult).
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23:20 CoCoALib Feature #625 (Feedback): NumTheory: sieve of Eratosthenes
- Implemented, and added some doc.
Still need to do: maintainer doc, test, example.
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23:19 CoCoALib Feature #625 (Closed): NumTheory: sieve of Eratosthenes
- In an example I needed a table like the Sieve of Eratosthenes. So I've implemented it, and added it to CoCoALib.
... -
18:06 CoCoA-5 Support #605 (Closed): Release: CoCoA-5.1.1
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18:06 CoCoA-5 Support #605: Release: CoCoA-5.1.1
- Compilation of GUI for windows by Jan Limbeck (thanks!)
tested, worked, published!
all done now
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18:03 Support #266 (Closed): Compilation on M$Windows: cygwin
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18:02 Support #266: Compilation on M$Windows: cygwin
- what was done, was done (now closing)
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12:04 CoCoALib Feature #400: add myJBMill member field to ideal
- John Abbott wrote:
> I found this is an email message (from me) of 20140613:
> (1) you cannot have a data member of... -
11:21 CoCoALib Feature #400: add myJBMill member field to ideal
- I found this is an email message (from me) of 20140613:...
13 Sep 2014
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23:47 CoCoALib Design #620: Redesign CRTMill
- It could be interesting to have a @vector@ version of @CRTMill@ which accepts vectors of residues along with a single...
12 Sep 2014
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17:29 CoCoA-5 Support #605 (Resolved): Release: CoCoA-5.1.1
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16:55 CoCoALib Design #620: Redesign CRTMill
- I have had a quick look at documentation for NTL and FLINT.
NTL has a very simple interface (like the existing one f... -
16:53 CoCoALib Support #624 (New): Wikipedia
- Improve the Wikipedia entry about CoCoA.
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11:14 CoCoALib Feature #623 (Closed): Inverse of a matrix over ZZ
- Inverse of a matrix over QQ works fine.
Fix code so that it works for invertible matrices over ZZ.
(I have a big ex... -
10:43 CoCoA-5 Feature #622: New function: RandomSubset
- done. still missing: documentation, tests.
Would it be useful in CoCoALib? maybe just a random subset of 1..n? -
10:38 CoCoA-5 Feature #622 (Closed): New function: RandomSubset
- Sometimes "all subsets" are far too many (compute how many! ;-) to fit into memory.
So checking a property on a suit...
11 Sep 2014
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17:51 CoCoA-5 Bug #519: GUI: fix DEFINES in makefile
- Anna has asked Limbeck to attempt compilation -- waiting for his feedback.
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17:49 CoCoA-5 Support #605: Release: CoCoA-5.1.1
- Missing C5 GUI for linux (will probably not happen -- too many problems with QT).
Missing C5 GUI for Microsoft (hopi... -
17:43 CoCoA-5 Feature #484 (Closed): Evaluate in other ring (was called :: in CoCoA-4)
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17:42 CoCoA-5 Feature #270 (Closed): Distribution for linux
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17:40 CoCoA-5 Support #541 (Closed): Unify releases for Linux 32 and Linux 64
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17:40 CoCoA-5 Feature #245 (Closed): Meaningful error for functions defined in "missing" external library
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17:39 CoCoA-5 Feature #204 (Closed): NmzComputation: the powerful NormalizComputation function in CoCoA-5
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17:38 CoCoA-5 Bug #104 (Closed): Misprints suggestions: Z --> ZZ
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17:20 CoCoALib Bug #190 (Closed): Subtle ref count bug for poly rings (via CoeffEmbeddingHom)
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16:53 CoCoALib Support #604 (In Progress): Release: CoCoALib-0.99535
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16:52 CoCoALib Support #621 (New): Release: CoCoALib-0.99536
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16:41 CoCoALib Support #621 (Closed): Release: CoCoALib-0.99536
- Everything related to making a CoCoALib release:
finalize
make veryclean; make (full make, with all tests and ex... -
16:37 CoCoALib Support #599 (Closed): Release: CoCoALib-0.99534
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15:59 CoCoALib Design #620: Redesign CRTMill
- I expect the main case of adding residue-modulus pairs is when both are machine @long@ values, and we could reasonabl...
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15:40 CoCoALib Design #620 (In Progress): Redesign CRTMill
- I envisage two types of use of a @CRTMill@:
# keep adding residue-modulus pairs until the combined modulus exceeds an... -
12:47 CoCoALib Design #620 (In Progress): Redesign CRTMill
- I have some ideas for alternative implementations of @CRTMill@, but they do not fit well with the current user interf...
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12:37 CoCoALib Design #619: Modulus (for CRTMill) ambiguous
- An obvious "solution" is to put @using CoCoA::modulus@ somewhere inside the function which calls it. Just about acce...
09 Sep 2014
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16:20 CoCoALib Support #618 (In Progress): Instructions for compiling libnormaliz
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12:08 CoCoALib Support #618: Instructions for compiling libnormaliz
- This is what I did (on Mac)
- create a build dir, cd into it, run cmake.
This is what I did... -
11:34 CoCoALib Support #618 (Closed): Instructions for compiling libnormaliz
- Collection of instructions for compiling normaliz.
(keep up-to-date) -
15:25 CoCoALib Design #619: Modulus (for CRTMill) ambiguous
- I do not understand why the compiler thinks that @modulus(crt)@ is ambiguous.
There is an STL template fn @modulus@,... -
15:22 CoCoALib Design #619 (Closed): Modulus (for CRTMill) ambiguous
- The type @CRTMill@ has an associated function @modulus(const CRTMill&)@; however calling the function the obvious way...
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12:21 CoCoALib Feature #617: configure: check all libraries for compatibility
- The advantage of a single test is that it is easier to manage and maintain.
The advantage of a separate test for eac...
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