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revision 2062, Sat Sep 1 21:06:52 2007 UTC revision 2202, Mon Jun 9 21:36:21 2008 UTC
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1    2008-06-09  Martin Maechler  <maechler@stat.math.ethz.ch>
2    
3            * R/dtCMatrix.R: faster dgC* -> dtC* method
4            * tests/Simple.R: (hence removed "FIXME")
5    
6            * R/Auxiliaries.R (copyClass): add 'check = .copyClass.check'
7            which can be be turned off for possible speed gains.
8    
9    2008-06-02  Martin Maechler  <maechler@stat.math.ethz.ch>
10    
11            * R/dMatrix.R, R/Tsparse.R: get rid of some disambiguation warnings
12    
13            * R/not.R: fix !<ldiMatrix>
14            implement two old "FIXME"s:  !<ldenseMatrix> & !<ndenseMatrix>
15    
16            * R/diagMatrix.R (Ops): fix one-off thinko in
17            <diagonal> o <numeric> methods
18    
19            * inst/test-tools.R: checkMatrix(): drop0(m12) unconditionally
20    
21    2008-05-30  Martin Maechler  <maechler@stat.math.ethz.ch>
22    
23            * R/diagMatrix.R (Ops): more <diagonal> o <Matrix> methods
24            * tests/Simple.R: testing the above
25    
26    2008-05-07  Martin Maechler  <maechler@stat.math.ethz.ch>
27    
28            * NAMESPACE: also import "Ops" {found via new tools:::get_S4_generics_with_methods()}
29    
30    2008-05-03  Martin Maechler  <maechler@stat.math.ethz.ch>
31    
32            * R/Matrix.R (dimnames<-): dimnames(.) <- NULL works with a message;
33            * NAMESPACE (unname): finally exported
34    
35    2008-04-28  Martin Maechler  <maechler@stat.math.ethz.ch>
36    
37            * R/Auxiliaries.R (cholMat): possibly keep packed
38    
39            * inst/test-tools.R (checkMatrix): add fixed determinant.matrix()
40            for R < 2.7.0.
41    
42            * R/Tsparse.R ([): for triangularMatrix, check if result may be
43            triangular.
44            * tests/indexing.R: regression test
45    
46    2008-04-26  Martin Maechler  <maechler@stat.math.ethz.ch>
47    
48            * inst/test-tools.R (checkMatrix): test <Ops> not only for dMatrix
49            * R/Ops.R: more methods, for lMatrix/nMatrix
50    
51    2008-04-24  Martin Maechler  <maechler@stat.math.ethz.ch>
52    
53            * R/expm.R: new file for all expm() methods; notably new ones for
54            diagonal*, triangular*, symmetric* and also simple "matrix".
55    
56    2008-04-23  Martin Maechler  <maechler@stat.math.ethz.ch>
57    
58            * R/dsyMatrix.R: setAs(.) rather than setIs(.)  "to dpoMatrix"
59    
60            * inst/test-tools.R (assert.EQ.mat): better message when not equal
61    
62            * src/dgeMatrix.c (dgeMatrix_matrix_crossprod): allow integer RHS.
63    
64            * R/AllClass.R (ddiMatrix,ldiMatrix): extend [dl]Matrix instead of
65            [dl]denseMatrix {identical slots; but more logical method dispatch}
66    
67    2008-04-23  Martin Maechler  <maechler@stat.math.ethz.ch>
68    
69            * R/sparseMatrix.R (summary): use length(<i-slot>) instead of nnzero()
70    
71            * R/diagMatrix.R (determinant): method
72    
73    2008-04-22  Martin Maechler  <maechler@stat.math.ethz.ch>
74    
75            * src/dsCMatrix.c (dsCMatrix_Cholesky): suppress CHOLMOD printing too
76    
77            * R/Rsparse.R (.viaC.to.R): uplo fix for symmetric & triangular
78    
79            * R/dsCMatrix.R (determinant): switch to use Cholesky( 'LDL' ) and
80            its diagonal
81    
82    2008-04-21  Martin Maechler  <maechler@stat.math.ethz.ch>
83    
84            * R/dMatrix.R (Summary): short-cut for prod(<sparse>)
85    
86            * R/not.R: fix !<"U"-diag-ltrMatrix> ; drop {R < 2.6.0}-branch
87    
88            * R/Auxiliaries.R (tT2gT): fix for "U"-diag-ltTMatrix
89    
90            * R/AllClass.R: ltTMatrix validity: call (more stringent) tTMatrix_validate
91    
92    2008-04-19  Martin Maechler  <maechler@stat.math.ethz.ch>
93    
94            * R/Ops.R (Ops.x.x): aux.function, not just for (dMatrix,dMatrix)
95    
96            * R/Ops.R (.do.Logic.lsparse): fix NA case
97    
98            * R/Tsparse.R (replTmat): fix r.sym case, using indTri()
99    
100            * R/Auxiliaries.R (nnzero): fix special cases, using
101            * R/Auxiliaries.R (indDiag): new utility
102            * R/Auxiliaries.R (indTri): new argument 'diag'
103    
104            * R/dMatrix.R: Summmary(<ddenseMatrix>): different branch for dsy*
105    
106    2008-04-18  Martin Maechler  <maechler@stat.math.ethz.ch>
107    
108            * R/diagMatrix.R: "Summary" methods, and more "Arith" / "Ops"
109    
110            * src/Csparse.c (Csparse_drop): preserve (uplo,diag) for
111            ".tCMatrix" triangular matrix.
112    
113            * R/Auxiliaries.R (drop0): use diagU2N(); according to helpfile,
114            'clx' can be class *or* class representation.
115            (nnzSparse): new.
116            (non0ind): new 'xtendSymm' argument; used in
117            * R/Ops.R:
118    
119            * R/pMatrix.R: more efficient determinant() method
120    
121    2008-04-17  Martin Maechler  <maechler@stat.math.ethz.ch>
122    
123            * [disactivated] R/Matrix.R (det): det() as base::det(), but with Matrix environment
124            * [disactivated] NAMESPACE: export(det)
125    
126            * R/diagMatrix.R (mkDiag): new substitute for diag()
127    
128            * R/Auxiliaries.R (nnzero): fix for "diagU2N"-case
129            (as0, as1): new utility.
130    
131            * R/Csparse.R (diag, band): need diagU2N()
132    
133            * src/dgeMatrix.c (get_norm): return NA when 'x' slot has NA/NaN.
134    
135            * R/lMatrix.R: coerce(nMatrix |-> lMatrix) fix
136    
137            * R/Ops.R (Compare): fix <nsp> o <nsp> case
138    
139            * R/nsparseMatrix.R, R/pMatrix.R: is.na() method
140    
141    2008-04-16  Martin Maechler  <maechler@stat.math.ethz.ch>
142    
143            * R/Auxiliaries.R (signPerm): new utility for
144            * R/Auxiliaries.R (detSparseLU): determinant() via sparseLU
145    
146            * src/dsCMatrix.c (dsCMatrix_LDL_D): suppress 'CHOLMOD warning';
147            since we have our own error handler (and can use tryCatch() from R).
148    
149    2008-04-15  Martin Maechler  <maechler@stat.math.ethz.ch>
150    
151            * R/dgTMatrix.R (image): ha! set col=NA if lwd is small -- very nice!
152    
153            * R/dsCMatrix.R (determinant): use tryCatch() and switch to lu()
154            when not positive definite.
155    
156            * R/Auxiliaries.R (asTri): new auxiliary
157            (non0.i): make *much* faster for Tsparse with many non-zero
158            entries; add 'uniqT = TRUE' argument to be used when sorting is undesired.
159    
160            * tests/Class+Meth.R (dotestMat): now build on checkMatrix() from
161            test-tools.R , see below
162    
163            * R/dMatrix.R: fix "Summary" method: + diagU2N()
164    
165            * NAMESPACE, R/Matrix.R: add mean() method
166    
167    2008-04-12  Martin Maechler  <maechler@stat.math.ethz.ch>
168    
169            * R/dgTMatrix.R (image): allow to *not* take abs(), and use
170            cold-hot colors; try *changed* default useAbs = FALSE
171            * man/image-methods.Rd:  nice examples
172    
173    2008-04-11  Martin Maechler  <maechler@stat.math.ethz.ch>
174    
175            * inst/test-tools.R (checkMatrix): new function for modularizing part
176            of tstMatrixClass() in tests/Class+Meth.R
177    
178            * R/dsCMatrix.R: coercion from "matrix"
179            * R/ltTMatrix.R, R/ntTMatrix.R: ditto (change it).
180    
181            * tests/Class+Meth.R (tstMatrixClass): some cleanup;
182            add test for as(matrix(,0,0), <class>)
183    
184    2008-04-09  Martin Maechler  <maechler@stat.math.ethz.ch>
185    
186            * src/dgeMatrix.c (dgeMatrix_determinant): for n == 0,
187            work as determinant(matrix(,0,0)).
188    
189            * src/dgCMatrix.c (dgCMatrix_LU): return {L,U} as dtCMatrix
190            * man/sparseLU-class.Rd: ditto
191    
192            * R/dgCMatrix.R (determinant): method building on lu()
193            * R/sparseMatrix.R, Matrix.R, ...: ditto
194    
195            * R/Auxiliaries.R (mkDet): auxiliary for determinant()
196    
197    2008-04-07  Martin Maechler  <maechler@stat.math.ethz.ch>
198    
199            * R/sparseMatrix.R (summary<sparseMatrix>): no 'x' column for
200            pattern matrices.
201    
202    2008-04-02  Martin Maechler  <maechler@stat.math.ethz.ch>
203    
204            * src/dense.c (dense_to_Csparse): all declarations *before*
205            R_CheckStack(); needed e.g. for ancient gcc 2.96.
206    
207    
208    2008-03-29  Martin Maechler  <maechler@stat.math.ethz.ch>
209    
210            * DESCRIPTION (Version): 0.999375-9 --- need to release
211            for R-devel (and R 2.7.0 alpha soon).
212    
213            * R/AllClass.R: drop "double" from "atomicVector" class union
214    
215            * R/AllGeneric.R (rcond): check for base::rcond instead of R version
216            * R/dgeMatrix.R: ditto
217    
218            * R/sparseMatrix.R (summary): count NAs
219    
220            * inst/doc/Intro2Matrix.Rnw: changes, aim for *one* introduction.
221    
222    2008-03-28  Martin Maechler  <maechler@stat.math.ethz.ch>
223    
224            * R/AllGeneric.R: rcond(., norm) instead of rcond(., type), in
225            order to become compatible to new R 2.7.0 base::rcond().
226    
227    2008-03-25  Martin Maechler  <maechler@stat.math.ethz.ch>
228    
229            * DESCRIPTION (Version,Date): 0.999375-8 --- released to CRAN
230    
231            * R/diagMatrix.R (Ops): fix newly introduce bug in <.di> o <numeric>
232    
233            * inst/test-tools.R (isValid): new utility, used much in
234            * tests/simple.R:
235    
236            * man/BunchKaufman-methods.Rd: added too
237    
238    2008-03-24  Martin Maechler  <maechler@stat.math.ethz.ch>
239    
240            * R/dsyMatrix.R: add BunchKaufman() methods.
241            * R/dspMatrix.R:
242    
243            * src/init.c: add dsyMatrix_trf
244    
245    2008-03-23  Douglas Bates <bates@stat.wisc.edu>
246    
247            * DESCRIPTION (Version): release 0.999375-7
248            * src/CHMfactor.c (CHMfactor_update): fix
249    
250    2008-03-22  Martin Maechler  <maechler@stat.math.ethz.ch>
251    
252            * src/dsCMatrix.c (dsCMatrix_LDL_D): cleanup, also using
253            internal_chm_factor().
254    
255            * R/AllGeneric.R: do *not* define a "chol" generic
256                    (but rather use the implicit one *without* making pivot
257                    part of the signature)
258            * R/*.R: drop the 'pivot' from chol's signature and make
259                    'pivot=FALSE' a default argument of method definitions.
260    
261            * .Rbuildignore: add 'wrld_1deg': I.e. do not put it into released
262            version of Matrix
263    
264    2008-03-18  Martin Maechler  <maechler@stat.math.ethz.ch>
265    
266            * R/Tsparse.R (.T.2.n): drop 0's before coercion to "nMatrix"
267    
268            * R/sparseMatrix.R (is.na): new simple method
269            * R/denseMatrix.R (is.na): ditto.
270    
271            * R/diagMatrix.R (.symDiagonal): newly exported utility.
272    
273            * R/diagMatrix.R (Ops): <diag> * <numeric> should not become dgeMatrix!
274    
275            * src/UFsparse_download.sh: -->
276            * src/CHOLMOD/: update to CHOLMOD version 1.6 (Nov.2007)
277    
278    2008-03-17  Martin Maechler  <maechler@stat.math.ethz.ch>
279    
280            * src/dsCMatrix.c (dsCMatrix_LDL_D): even faster utility with same
281            functionality; barely tested in
282            * tests/factorizing.R
283    
284            * src/Csparse.c (diag_tC): new functionality to enable faster
285            determinant(<dsCMatrix>, .) in
286            * R/dsCMatrix.R
287    
288    2008-03-17 18:53  Douglas Bates <bates@stat.wisc.edu>
289    
290            * R/CHMfactor.R, inst/include/Matrix.h, inst/include/Matrix_stubs.c,
291              src/CHMfactor.c, src/CHMfactor.h,
292              man/CHMfactor-class.Rd, src/init.c, tests/factorizing.R:
293              Log-determinant of the parent matrix from a CHMfactor object as
294              chm_factor_ldetL2; documentation and support
295    
296    2008-03-15  Martin Maechler  <maechler@stat.math.ethz.ch>
297    
298            * R/dsCMatrix.R: enable determinant(<dsCMatrix>, .) via chol(.)
299    
300    2008-03-14  Martin Maechler  <maechler@stat.math.ethz.ch>
301    
302            * R/dsCMatrix.R: setAs(., "dsCMatrix") but with a deprecation
303            warning.
304    
305    2008-03-13  Martin Maechler  <maechler@stat.math.ethz.ch>
306    
307            * DESCRIPTION (Version, Date): bug-fix release 0.999375-6
308    
309            * R/diagMatrix.R (diag2tT.u): utility to be smarter in
310              <diagonal> o <sparse_triangular>
311              setAs(., "nMatrix") added.
312    
313            * R/diagMatrix.R (Diagonal): Diagonal(4, x=3) now works too
314    
315            * R/Auxiliaries.R (.diagU2N): more careful coercion in 2 steps
316                    new argument 'checkDense = FALSE'.
317    
318    
319    2008-03-07  Martin Maechler  <maechler@stat.math.ethz.ch>
320    
321            * src/dgeMatrix.c (dgeMatrix_exp): fix the octave-origin bug in the
322            back-permutation of the matrix exponential.
323    
324            * tests/matr-exp.R: test the fix (for an example where expm() was wrong).
325    
326            * DESCRIPTION (Date,Version): ready to release 0.999375-5
327    
328            * tests/simple.R: testing diagN2U
329    
330    2008-03-06  Martin Maechler  <maechler@stat.math.ethz.ch>
331    
332            * R/Auxiliaries.R (diagN2U): interface to
333    
334            * src/Csparse.c (Csparse_diagN2U): .Call()able SEXP version of chm_diagN2U()
335    
336            * tests/matprod.R: test for triangularity preserving <dtC> %*% <dtC>
337    
338    2008-03-05  Martin Maechler  <maechler@stat.math.ethz.ch>
339    
340            * src/chm_common.c (chm_diagN2U): new utility.
341    
342            * src/Csparse.c (Csparse_Csparse_crossprod, Csparse_Csparse_prod):
343            make use of chm_diagN2U() and hence now preserve triangularity and
344            unit-triangularity.
345    
346            * DESCRIPTION (LicenseDetails): new; such that 'License:' becomes "canonical"
347    
348    2008-03-04  Martin Maechler  <maechler@stat.math.ethz.ch>
349    
350            * R/diagMatrix.R (subDiag): fix when x[..] became a vector
351    
352            * src/Tsparse.c (Tsparse_diagU2N): new utility, necessary for e.g.
353            * src/Csparse.c (Csparse_crossprod): use [CT]sparse_diagU2N() !!
354    
355            * R/Auxiliaries.R (.diagU2N): make use of new Tsparse_diagU2N
356    
357            * R/Ops.R ("-" (<sparseMatrix>)): use diagU2N()
358    
359            * src/chm_common.c (AS_CHM_FINISH): add note about problem
360            for triangular (diag = "U").
361    
362    2008-02-21  Martin Maechler  <maechler@stat.math.ethz.ch>
363    
364            * R/Auxiliaries.R (as_Csparse2): drop this, replacing by
365            * R/bind.R:  .Call(dense_to_Csparse, *)
366    
367    2008-02-20  Martin Maechler  <maechler@stat.math.ethz.ch>
368    
369            * R/Matrix.R (Matrix): no longer use coercions to specific classes
370                    (since we are discouraging them in user code).
371    
372            * tests/*.R: also replaces coercions to specific classes by
373            coercions to super classes.
374    
375            * R/denseMatrix.R (.dense2C): simplified by using forceSymmetric()
376    
377    
378    2008-02-19  Martin Maechler  <maechler@stat.math.ethz.ch>
379    
380            * man/CAex.Rd: example: coerce to symmetric*, not dsC*
381    
382            * src/dense.c (dense_band): generalized from ddense_band
383    
384            * R/ddenseMatrix.R (.trilDense,.triuDense, .bandDense):
385              now for "denseMatrix" (instead of just "ddense*"); much
386              simplified setMethod()s for these.
387    
388            * src/dense.c (dense_to_symmetric): generalized from ddense_*
389    
390    2008-02-18  Martin Maechler  <maechler@stat.math.ethz.ch>
391    
392            * R/AllGeneric.R: forceSymmetric() generic: fast no-checking
393            version of as(*, "symmetricMatric").
394    
395            * src/dense.c (ddense_to_symmetric): add 'symm_test' argument, and
396            * R/symmetricMatrix.R: set it TRUE in coercion to "symmetricMatrix"
397    
398    2008-02-16  Martin Maechler  <maechler@stat.math.ethz.ch>
399    
400            * R/Matrix.R (subset.ij): utility, as first step to faster
401               M [ <ij-matrix> ] indexing.
402    
403            * R/Matrix.R (.M.sub.i.logical): M[ <logical> ] : try better.
404    
405            * src/dense.c (ddense_symmpart, ddense_skewpart): new functions
406            for more efficient symmpart() and skewpart() methods.
407    
408            * src/Mutils.c (equal_string_vectors): utility
409    
410            * src/dense.c (ddense_to_symmetric): new function used in
411    
412            * R/symmetricMatrix.R: setAs(., "symmetricMatrix")
413    
414            * R/sparseMatrix.R, et_al (isSymmetric): add '...' to formals, in
415            order to match the generic (and evade .local(..)).
416    
417            * R/dsCMatrix.R: dgC -> dsC: use C code!
418    
419            * NAMESPACE, R/AllGeneric.R (symmpart, skewpart): new functions
420            as per TODO
421    
422            * R/Auxiliaries.R (setZero, all0Matrix): new utilities
423    
424            * R/symmetricMatrix.R: obvious symmpart(), skewpart() methods
425    
426    
427    2008-02-15  Martin Maechler  <maechler@stat.math.ethz.ch>
428    
429            * R/Ops.R (.Arith.Csparse): use diagU2N when needed in triangular
430    
431            * R/Auxiliaries.R (non0.i): take out of non0ind
432    
433            * R/ddenseMatrix.R (.trilDense, .triuDense, .bandDense):
434            make tril(), triu(), band() work for "matrix" and all "dense*"
435    
436            * R/triangularMatrix.R (.tri[lu].tr): need .diagU2N(*)
437            * tests/simple.R: test the fix above
438    
439            * R/sparseMatrix.R ([): simplification: no coerce to <general>
440                    before we use as(., <Tsparse>)[...] anyway
441    
442            * R/Rsparse.R (.viaC.to.R): mostly instead of .viaC.to.dgR()
443    
444            * R/triangularMatrix.R (isTriangular): methods for all subclasses
445            instead of "triangularMatrix" -- just to disambiguate
446    
447    2008-02-14  Martin Maechler  <maechler@stat.math.ethz.ch>
448    
449            * tests/Class+Meth.R (dotestMat): add m[FALSE, FALSE] { <-> TODO}
450            * tests/indexing.R: example that fails above
451    
452    2008-01-26  Martin Maechler  <maechler@stat.math.ethz.ch>
453    
454            * R/Matrix.R (.M.sub.i.2col): fix for logical matrix indexing
455            * R/Tsparse.R (.TM.sub.i.2col, .TM.repl.i.2col): ditto;
456                    now, M[lower.tri(M)] and  M[lower.tri(M)] <- v  work better
457    
458            * src/Tsparse.c (Tsparse_to_tCsparse): new fast utility.
459            * src/Tsparse.h, init.c: ditto
460            * R/Auxiliaries.R (isTriT): new; faster than going via Csparse
461                 both isTriC() and isTriT() now return TRUE with "kind" or FALSE.
462            * R/sparseMatrix.R (isTriangular): hence simplified
463    
464    2008-01-24  Martin Maechler  <maechler@stat.math.ethz.ch>
465    
466            * R/Ops.R (.Arith.Csparse): new utility factored out of former
467              <dgC> o <dgC>, extended for triangular and also used in  <dtC> o <dtC>.
468    
469    2008-01-23  Martin Maechler  <maechler@stat.math.ethz.ch>
470    
471            * tests/factorizing.R (checkSchur): and more tests for checking Schur()
472    
473            * inst/test-tools.R (isOrthogonal): new function; also file restructured
474    
475    2008-01-22  Martin Maechler  <maechler@stat.math.ethz.ch>
476    
477            * R/ngTMatrix.R: allow as(<numeric matrix>, "ngTMatrix") and hence
478            coercion to "nMatrix" and "pMatrix"
479    
480            * R/AllClass.R: "Schur" class;  "number" class union
481            * man/number-class.Rd:
482            * man/Schur-class.Rd:
483    
484            * R/eigen.R (.dgeSchur): utility, and return "Schur" class
485            (.simpleSchur): Schur() method for diagonal matrices
486            (.triSchur):    Schur() method for triangular matrices
487            (Schur.sym):    Schur() for symmetric matrices {building on eigen()}.
488    
489    
490    2008-01-21  Martin Maechler  <maechler@stat.math.ethz.ch>
491    
492            * src/dgCMatrix.c (dgCMatrix_QR): set @Dim slot (as per doc)
493    
494    2008-01-15  Martin Maechler  <maechler@stat.math.ethz.ch>
495    
496            * R/CHMfactor.R (solve): method for b="numeric", but also b="ANY"
497                    in order to ensure 'system = *' is not lost;
498                    formals()$system instead of cut&paste.
499            * tests/factorizing.R: test solve(<CHM..>, <numeric>)
500    
501    2008-01-11  Martin Maechler  <maechler@stat.math.ethz.ch>
502    
503            * DESCRIPTION (Date): make ready for release --> 0.999375-4
504    
505            * R/dgeMatrix.R: fix rcond() method for "dgeMatrix".
506    
507    2007-12-08  Martin Maechler  <maechler@stat.math.ethz.ch>
508    
509            * R/pMatrix.R: as(*, "matrix") now returns 0/1 *integer* matrix,
510                    and hence does as.vector(.).
511            * man/pMatrix-class.Rd: docs
512            * R/sparseMatrix.R: fix for printing "integer sparse"
513    
514            * tests/Class+Meth.R (tstMatrixClass): test M[FALSE], M[2] etc
515    
516            * R/Matrix.R and others: use "exact" function argument list for
517                    both "["   : (x, i,j, ..., drop)
518                    and  "[<-" : (x, i,j, ..., value)
519    
520            * R/denseMatrix.R: M[i] and M[i] <- v  (i vector) now work
521            * R/Tsparse.R (replTmat):    ditto
522            * R/diagMatrix.R (replDiag): ditto
523            * R/Csparse.R (replCmat):    ditto {was it worth the pain?}
524            * tests/indexing.R: testing the above
525    
526    2007-12-07  Martin Maechler  <maechler@stat.math.ethz.ch>
527    
528            * R/sparseMatrix.R (cov2cor): method for sparse matrices
529    
530            * R/diagMatrix.R ([<-): fix   D[ cbind(i,j) ] <- v
531    
532            * R/bind2.R: fix for Rsparse* and rbind2(dense,dense)
533    
534            * tests/Class+Meth.R: test cbind2, rbind2  and  diag<-
535    
536    2007-12-06  Martin Maechler  <maechler@stat.math.ethz.ch>
537    
538            * R/Matrix.R: "generic" cov2cor() method
539    
540            * R/nearPD.R: new 'only.values', 'keepDiag' arguments;
541                    speed up Q %*% D %*% t(Q)
542            * tests/dpoMatrix.R: test nearPD()
543    
544    2007-12-05  Doug Bates and Martin Maechler
545    
546            * R/sparseMatrix.R: xtabs(*, sparse=.) function; an extention of
547            stats::xtabs() allowing to create sparse matrices.
548    
549    2007-10-08  Martin Maechler  <maechler@stat.math.ethz.ch>
550    
551            * DESCRIPTION (Version): *-4 (released *-3 two days ago)
552    
553    2007-10-06  Martin Maechler  <maechler@stat.math.ethz.ch>
554    
555            * R/pMatrix.R: solve(<Matrix>, <pMatrix>)
556    
557    2007-10-05  Martin Maechler  <maechler@stat.math.ethz.ch>
558    
559            * R/LU.R: solve() method for "denseLU"
560    
561    2007-10-01  Martin Maechler  <maechler@stat.math.ethz.ch>
562    
563            * DESCRIPTION (Version): 0.999375-3 preparing for release
564    
565            * R/AllGeneric.R: simplify  if(.) .. else .. for R <= 2.5.1
566    
567            * R/Matrix.R (Matrix): .Internal(matrix(..)) different for R >= 2.7.0
568    
569    2007-09-26  Martin Maechler  <maechler@stat.math.ethz.ch>
570    
571            * R/pMatrix.R (.m.mult.pMat): fix <matrix> %*% <pMatrix>,
572              thanks to Kasper Kristensen.
573            * tests/matprod.R: regression test for that.
574    
575    2007-09-23 17:32  Douglas Bates <bates@stat.wisc.edu>
576    
577            * [r4778] R/AllGeneric.R: Check R version before defining generics for
578              primitives
579    
580    2007-09-13  Martin Maechler  <maechler@stat.math.ethz.ch>
581    
582            * R/denseMatrix.R (rcond): method
583            * R/sparseQR.R (rcond): method, use x or t(x)
584    
585    2007-09-12  Martin Maechler  <maechler@stat.math.ethz.ch>
586    
587            * R/dgeMatrix.R (rcond): method: work via qr.R() for non-square
588            matrices.
589            * R/sparseMatrix.R: Ditto for all other rcond() method definitions.
590    
591            * man/rcond.Rd: mention the more general definition, and add
592            example for non-square matrices.
593    
594            * man/chol.Rd: new file, for the S4 chol() generic and all methods.
595    
596    2007-09-11  Martin Maechler  <maechler@stat.math.ethz.ch>
597    
598            * R/sparseQR.R: add qr.R() method [to be used for rcond()]
599    
600  2007-09-01  Martin Maechler  <maechler@stat.math.ethz.ch>  2007-09-01  Martin Maechler  <maechler@stat.math.ethz.ch>
601    
602          * R/Matrix.R ([<-): add (Matrix,missing,ANY,Matrix) etc          * R/Matrix.R ([<-): add (Matrix,missing,ANY,Matrix) etc

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