[53c00b] | 1 | @comment -*-texinfo-*- |
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[db6e17d] | 2 | @comment $Id: NEWS.texi,v 1.66 2006-12-08 18:06:15 Singular Exp $ |
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[53c00b] | 3 | @comment this file contains the News about Singular versions |
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| 4 | @comment Unix |
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| 5 | @ifclear VERSION |
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| 6 | @include version.texi |
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| 7 | @end ifclear |
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| 8 | |
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| 9 | @majorheading NEWS in SINGULAR @value{VERSION} |
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| 10 | |
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[e62563a] | 11 | @ifclear singularmanual |
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[53c00b] | 12 | @macro nref{what} |
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| 13 | \what\ |
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| 14 | @end macro |
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| 15 | @end ifclear |
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| 16 | |
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| 17 | @ifset singularmanual |
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| 18 | @macro nref{what} |
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| 19 | @ref{\what\} |
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| 20 | @end macro |
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| 21 | @end ifset |
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| 22 | |
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[7d45e3] | 23 | @heading Updates for version @value{VERSION} |
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| 24 | |
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| 25 | The current version @value{VERSION} is mainly a bug fix release, |
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| 26 | but it contains also some new features: |
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| 27 | @itemize @bullet |
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| 28 | @item |
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[9b3858] | 29 | licence changed: omalloc and MP are now (also) available under GPL; |
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| 30 | that means that all parts of @sc{Singular} are licenced under GPL (resp. LGPL). |
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| 31 | @item |
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| 32 | factory, libfac, Singular updated for gcc 4.1.x |
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| 33 | @item |
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| 34 | kernel updated for the optional use of boost |
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| 35 | @item |
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| 36 | new command: (@nref{interpolation}: ideal of points with given multiplicities) |
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| 37 | @item |
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[531d9e] | 38 | new library: modStd.lib (@nref{modStd_lib}): Groebner base computations |
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| 39 | over the rational numbers via modular computations |
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[9b3858] | 40 | @c @item |
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| 41 | @c improved center.lib (@nref{center_lib}): revised implementation, new functions (sa_reduce etc.) |
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| 42 | @item |
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[878bd9] | 43 | resolve.lib: blow ups revised (@nref{resolve_lib}). |
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[9b3858] | 44 | @item |
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| 45 | new algorithms in primdec.lib (@nref{primdec_lib}): radical et al. |
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| 46 | @item |
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| 47 | improved version of @nref{slimgb}, incorporated into @nref{groebner}, |
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| 48 | strategy change in groebner. |
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[531d9e] | 49 | @item |
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[db6e17d] | 50 | operation for sparse matrices improved: multiplication, prune, conversion to module. |
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[9b3858] | 51 | @c @item |
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| 52 | @c experimental: @code{python} / @code{ipython} interface |
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| 53 | @end itemize |
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| 54 | |
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| 55 | @heading News in version 3-0-2 |
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| 56 | |
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| 57 | The version 3-0-2 is mainly a bug fix release, |
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| 58 | but it contains also some new features: |
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| 59 | @itemize @bullet |
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| 60 | @item |
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[c725ac] | 61 | factory, libfac updated for gcc 4.1.x |
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| 62 | @item |
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| 63 | configure/speed improved for 64bit architectures |
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| 64 | @item |
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[e825a3] | 65 | new library: dmod.lib (@nref{dmod_lib}) |
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[c725ac] | 66 | @item |
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[e825a3] | 67 | new library: perron.lib (@nref{perron_lib}) |
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[4a38bd] | 68 | @item |
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[e825a3] | 69 | improved center.lib (@nref{center_lib}): revised implementation, new functions (sa_reduce etc.) |
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[4a38bd] | 70 | @item |
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[e825a3] | 71 | revised ncalg.lib (@nref{ncalg_lib}): new algebras, U(sl_n) and U(g_2) changed to conform GAP. |
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[4a38bd] | 72 | @item |
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[e825a3] | 73 | new algorithms in primdec.lib (@nref{primdec_lib}): radical et al. |
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[c725ac] | 74 | @item |
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| 75 | improved version of @nref{slimgb}, incorporated into @nref{groebner} |
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| 76 | @item |
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[e825a3] | 77 | improved module generator (@code{modgen}) |
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| 78 | @item |
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[c725ac] | 79 | experimental: new type @nref{bigint} |
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[aff0bb7] | 80 | @c @item |
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| 81 | @c experimental: @code{python} / @code{ipython} interface |
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[c725ac] | 82 | @item |
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[aff0bb7] | 83 | more architectures: Solaris on x86/opteron, ... |
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[f6f1db] | 84 | @item |
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| 85 | build process improved: builds automatically without patches on 64bit architectures |
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[c725ac] | 86 | @end itemize |
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| 87 | |
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| 88 | @heading NEWS in version 3-0-1 |
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| 89 | The version 3-0-1 is mainly a bug fix release, |
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| 90 | but it contains also some new features: |
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| 91 | @itemize @bullet |
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| 92 | @item |
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[7d45e3] | 93 | NTL upgraded to version 5.4 |
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| 94 | @item |
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| 95 | new library: absfact.lib @nref{absfact_lib} |
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| 96 | @item |
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| 97 | new procedures in primdec.lib: @nref{absPrimdecGTZ} |
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| 98 | @item |
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| 99 | new procedures in standard.lib: @nref{weightKB} |
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| 100 | @item |
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| 101 | build process improved: new make target @code{install_all} |
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| 102 | @item |
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| 103 | improved version of @nref{slimgb}, incorporated into @nref{groebner} |
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| 104 | @item |
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| 105 | arithmetic in Z/pZ for architecture x84_64 improved (by 25 %) |
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| 106 | @end itemize |
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| 107 | |
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| 108 | @heading NEWS in version 3-0-0 |
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| 109 | |
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[695850] | 110 | The version 3-0-0 is the first in the new |
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[a02163] | 111 | release series version 3-0. |
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[5c14fb] | 112 | |
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[a02163] | 113 | Singular version 3 has a greater functionality and an improved architecture. |
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| 114 | Major new features are: |
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| 115 | @itemize |
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| 116 | @item |
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[745dd8] | 117 | @nref{Dynamic modules} |
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[a02163] | 118 | @item |
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[f45d18] | 119 | non-commutative extension @nref{Non-commutative subsystem PLURAL} |
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[a02163] | 120 | @item |
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[745dd8] | 121 | name spaces (@nref{package}) |
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[a02163] | 122 | @item |
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[745dd8] | 123 | easy manipulation of rings (@nref{ringlist}) |
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[a02163] | 124 | @item |
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[745dd8] | 125 | improved speed of maps (@nref{subst}, @nref{map}) |
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[a02163] | 126 | @item |
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[954abc] | 127 | a new algorithm for Groebner base computations: @nref{slimgb}. |
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[012bbb] | 128 | @item |
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[a02163] | 129 | improved factorization (integration of NTL, factorization over algebraic extensions, |
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| 130 | zeroset.lib) |
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| 131 | @item |
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| 132 | improved gcd of polynomials (including bug fixes) |
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| 133 | @item |
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| 134 | ports to more architectures including automatic building from source (fink on Mac, ebuild on Gentoo) |
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| 135 | @item |
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[4a499b] | 136 | more help browsers supported, user extendable (help.cnf) |
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| 137 | @item |
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| 138 | better support of graded modules |
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[a02163] | 139 | @item |
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| 140 | many bugs fixed |
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| 141 | @end itemize |
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| 142 | Besides theses internal changes, Singular version 3 offers many new |
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| 143 | features and functionalities (which were partly already incorporated in |
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[4a499b] | 144 | the 2-1 pre-release series). |
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[2983b3] | 145 | |
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[98b5a7] | 146 | @heading Factorizing algorithms revisited |
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| 147 | Starting with version 2-0-4, we use NTL (of Victor Shoup) for factoring |
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[4a499b] | 148 | univariate polynomials. The multivariate factorization code in libfac/factory |
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| 149 | now also works over algebraic extension fields. |
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[2983b3] | 150 | |
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[53c00b] | 151 | @heading New @sc{Singular} libraries |
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| 152 | |
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| 153 | @table @asis |
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[3175d1] | 154 | @item @nref{control_lib} |
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| 155 | algebraic analysis tools for System and Control Theory |
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| 156 | @item @nref{mregular_lib} |
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| 157 | procedures for computing the Castelnuovo-Mumford regularity |
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| 158 | @item @nref{mprimdec_lib} |
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[a02163] | 159 | procedures for primary decomposition of modules |
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[3175d1] | 160 | @item @nref{gmspoly_lib}, @nref{gmssing_lib} |
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[af847a] | 161 | procedures for the Gauss-Manin connection of a singularity |
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[c1bedf] | 162 | @item @nref{resolve_lib}, @nref{reszeta_lib} |
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[4a499b] | 163 | resolution of singularities and applications |
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[1c981c] | 164 | @item @nref{rootsmr_lib} |
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[7acf9b] | 165 | counting the number of real roots |
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[10937b] | 166 | @item @nref{sheafcoh_lib} |
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| 167 | computing cohomology of sheaves and Tate resolution |
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[7acf9b] | 168 | @item @nref{signcond_lib} |
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| 169 | computing realizable sign conditions |
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[67f7108] | 170 | @item @nref{rootsur_lib} |
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[7acf9b] | 171 | counting number of real roots of univariate polynomial |
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[8c78f0] | 172 | @item @nref{grwalk_lib} |
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[7acf9b] | 173 | Groebner and Pertubation walk |
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[53c00b] | 174 | @end table |
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| 175 | |
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[5c14fb] | 176 | @heading Changes in @sc{Singular} libraries |
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| 177 | Many procedures were moved into different libraries, |
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[a02163] | 178 | the documentation of libraries was generally improved. |
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[7031a2] | 179 | |
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| 180 | All procedures which used to change the current ring return now |
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| 181 | the newly created ring. |
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[5c14fb] | 182 | @table @asis |
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| 183 | @end table |
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| 184 | |
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[53c00b] | 185 | @heading New @sc{Singular} functions |
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| 186 | |
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| 187 | @table @asis |
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[7031a2] | 188 | @item @nref{ringlist} |
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| 189 | manipulation of rings |
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| 190 | @item @nref{slimgb} |
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[954abc] | 191 | a new algorithm to compute Groebner bases |
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[7031a2] | 192 | @item @nref{exportto} |
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[4a499b] | 193 | transfer an identifier to the specified package |
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[7031a2] | 194 | @item @nref{importfrom} |
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[4a499b] | 195 | generate a copy of an identifier from the specified package in the current package |
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[7031a2] | 196 | @item @nref{frwalk} |
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| 197 | fractal walk to change monomial orderings |
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[53c00b] | 198 | @end table |
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| 199 | |
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| 200 | @heading @sc{Singular} functions whose syntax/semantics has changed |
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| 201 | @table @asis |
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[a02163] | 202 | @item @nref{degree} |
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| 203 | outputs degree and dimension instead of returning an int |
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| 204 | @item @nref{attrib} |
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| 205 | new attribute: @code{rowShift} |
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[8d38069] | 206 | @end table |
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| 207 | |
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[3175d1] | 208 | @heading Noncommutative Extension @sc{Plural} |
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| 209 | |
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| 210 | Starting with version 3-0-0, @sc{Singular} features a |
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| 211 | noncommutative extension @sc{Plural}. It allows to |
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| 212 | set and to compute within noncommutative algebras |
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| 213 | with PBW basis. Among available algorithms are Groebner |
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| 214 | bases for left modules, syzygies and resolutions. |
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| 215 | |
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| 216 | Together with @sc{Plural} come the following libraries: |
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| 217 | |
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| 218 | @table @asis |
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| 219 | @item @nref{center_lib} |
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| 220 | computes generators of the center and centralizer subalgebras up |
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| 221 | to a given degree resp. up to a given number of generators |
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[c1bedf] | 222 | @item @nref{involut_lib} |
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[3175d1] | 223 | determines linear antiautomorphisms (involutions) and automorphisms |
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| 224 | @item @nref{gkdim_lib} |
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| 225 | computes a Gel'fand-Kirillov dimension for modules |
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| 226 | @item @nref{ncalg_lib} |
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| 227 | includes ready-to-use funtions for defining many important |
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| 228 | noncommutative algebras |
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| 229 | @item @nref{ncdecomp_lib} |
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| 230 | computes a decomposition of module by its central characters |
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| 231 | @item @nref{ncalg_lib}, @nref{nctools_lib} |
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| 232 | contain numerous useful tools for noncommutative algebras |
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| 233 | @item @nref{qmatrix_lib} |
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| 234 | procedures, related to quantum matrices and minors |
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| 235 | @end table |
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| 236 | |
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[2983b3] | 237 | @heading Internal Changes |
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| 238 | @table @asis |
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[a02163] | 239 | @item new mapping code |
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[3175d1] | 240 | @c @item non-commutative extension (Plural) |
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[4a499b] | 241 | @item factory revised |
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[7acf9b] | 242 | (gcd, factorizing polynomial over algebraic extension fields,...) |
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[2983b3] | 243 | @end table |
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| 244 | |
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[98a386] | 245 | @heading Porting |
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[2983b3] | 246 | |
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[a70441f] | 247 | @itemize @bullet |
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[7acf9b] | 248 | @item Singular is available for ix86-Linux, HPUX_10, |
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| 249 | SunOS-5, IRIX-6, ix86-Win (runs on Windows 95/98/NT4/2000/XP), |
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[a02163] | 250 | FreeBSD, MacOS X, DecAlpha-Linux, x86_64-Linux (AMD64/Opteron/EM64T), |
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| 251 | IA64-Linux |
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[8d38069] | 252 | @end itemize |
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[836dc0e] | 253 | |
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