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E.1 News and changes
NEWS in SINGULAR 2-0-6
The current version 2-0-6 is an update to the
release series version 2-0.
Changes with respect to version 2-0-5:
Extensions of the ring concept
Again optimization in monomial representation.
Weights for generators of free modules
attrib(m,"isHomog"); - the weights as intvec;
attrib(im,"rowShift"); - the shift of a betti diagram.
For details: see the help entry of attrib .
Bug fixes w.r.t. module weights in the betti command
and several commands to compute resolutions.
Implementation of the Fractal Walk
see frwalk.
Changes in SINGULAR libraries
The documentation of libraries was generally improved.
- gmssing_lib gmspoly_lib
- new libraries.
- primdec_lib
- optimizations again
- groebner
groebner for polynomials with rational funtions as coefficients
Internal Changes
- normal form computation over the rationals improved
- NTL
- NTL is used for univariate gcd
- source code
- adapted for use with gcc 3.1/3.2/3.3, gmp 4.x, NTL 5.3.x,
some syntax changes for gcc 3.4
Porting
- Singular is available for ix86-libc5, ix86-libc6, HPUX_9, HPUX_10,
SunOS-4, SunOS-5, IRIX-6, ix86-Win (Windows 95/98/ME/NT/2K/XP),
FreeBSD 4.x, MacOS X, IA64-Linux, x86_64, ppc-Linux, alpha-Linux
MP functionality is not available on
Windows 95/98/ME/NT/2K/XP, and the 64-bit architectures:
IA64-Linux, x86_64, alpha-Linux
- Singular 2-0-2 was the last version for MacOS 9
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