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From 19 Sep 2014 to 18 Oct 2014

15 Oct 2014

12:13 CoCoALib Bug #631: Ambiguous: rank for matrix (in ex-matrix1.C)
John Abbott wrote:
> After speaking to Anna by phone, I have changed the name of @rank@ into @rk@.
>
> I'm ready ...
Anna Maria Bigatti
12:06 CoCoALib Bug #631: Ambiguous: rank for matrix (in ex-matrix1.C)
John Abbott wrote:
> I now believe the ambiguity would disappear if the entire function were placed inside @namespac...
Anna Maria Bigatti

14 Oct 2014

21:34 CoCoALib Design #619: Modulus (for CRTMill) ambiguous
(see #631 comment 5) I think the problem goes away if the code is put inside @namespace CoCoA@.
John Abbott
18:26 CoCoALib Design #619: Modulus (for CRTMill) ambiguous
Assuming my explanation in the _correction_ in comment 1 is correct, then the STL people could break our code at any ... John Abbott
18:22 CoCoALib Design #619: Modulus (for CRTMill) ambiguous
John Abbott wrote:
> I think the C++ rules will compel us to change name -- asking the user to write @CoCoA::modulus...
Anna Maria Bigatti
18:18 CoCoALib Design #619 (In Progress): Modulus (for CRTMill) ambiguous
I think the C++ rules will compel us to change name -- asking the user to write @CoCoA::modulus@ every time is not ac... John Abbott
21:32 CoCoALib Bug #631: Ambiguous: rank for matrix (in ex-matrix1.C)
I now believe the ambiguity would disappear if the entire function were placed inside @namespace CoCoA@. We could mo... John Abbott
21:25 CoCoALib Bug #631: Ambiguous: rank for matrix (in ex-matrix1.C)
Strictly speaking the proper solution to the problem is to put a @using CoCoA::rank;@ inside the function which will ... John Abbott
20:03 CoCoALib Bug #631: Ambiguous: rank for matrix (in ex-matrix1.C)
After speaking to Anna by phone, I have changed the name of @rank@ into @rk@.
I'm ready to do CVS check in, but fi...
John Abbott
18:26 CoCoALib Bug #631: Ambiguous: rank for matrix (in ex-matrix1.C)
John Abbott wrote:
> I think the problem arises because @rank(M)@ entails a user type conversion from @matrix@ to @C...
Anna Maria Bigatti
18:23 CoCoALib Bug #631 (In Progress): Ambiguous: rank for matrix (in ex-matrix1.C)
I think the problem arises because @rank(M)@ entails a user type conversion from @matrix@ to @ConstMatrixView@.
@s...
John Abbott
13:05 CoCoA-5 Feature #633 (New): New operations? ScalarProduct(MODULELEM,LIST), MATRIX * MODULELEM
I think that ScalarProduct(MODULELEM,LIST) is OK
but MATRIX * MODULELEM may be ambiguous (row or col?)
For sure we ...
Anna Maria Bigatti

13 Oct 2014

23:00 CoCoALib Bug #593 (In Progress): Temporary directories used during configuration
I now think that a good solution would be to put tmpdirs in @configuration/TMP/@. That way they can all be "cleaned"... John Abbott
20:47 CoCoALib Feature #630: Add graeffe function?
If I recall correctly, Bini said that graeffe can also be done for polynomial systems. Right now I cannot see when i... John Abbott

03 Oct 2014

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... John Abbott
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...
John Abbott
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...
John Abbott

26 Sep 2014

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@
John Abbott

25 Sep 2014

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... John Abbott
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...
Anna Maria Bigatti
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...
Anna Maria Bigatti
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-...
Anna Maria Bigatti
11:13 CoCoA-5 Support #629 (In Progress): Windows-GUI: compilation with MinGW
Instructions on how to compile with MinGW (including GUI) Anna Maria Bigatti

23 Sep 2014

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... John Abbott
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...
John Abbott

22 Sep 2014

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? ...
John Abbott
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...
John Abbott
 

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