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revision 2062, Sat Sep 1 21:06:52 2007 UTC revision 2207, Mon Jul 7 22:34:52 2008 UTC
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1    2008-07-07  Martin Maechler  <maechler@stat.math.ethz.ch>
2    
3            * R/sparseVector.R (spV2M): fix for "isparseVector".
4            Further, fix <diag> -> <sparseVector> coercion
5            (repSpV): add rep(<sparseVector>, .) method
6    
7            * R/sparseMatrix.R ([<-): when the RHS is a "scarce"Matrix, do *not*
8            use as.vector(.).
9    
10            * R/[TCR]sparse.R ([<-): methods for  value = "sparseVector"
11    
12            * R/AllClass.R: new (hidden) class union "scarceMatrix"
13            * R/AllClass.R: sparseVector: add prototype
14    
15            * src/dsCMatrix.c (chk_nm): fix "Cholesky" check, thanks to Kasper Kristensen
16    
17    2008-06-28  Martin Maechler  <maechler@stat.math.ethz.ch>
18    
19            * tests/other-pkgs.R: add more interesting Matrix -> graph
20    
21    2008-06-27  Martin Maechler  <maechler@stat.math.ethz.ch>
22    
23            * R/sparseMatrix.R (Tsp2grNEL): add 'need.uniq' argument for speed
24            improvement in "[CR]sparseMatrix" -> "graphNEL" coercion.
25    
26    2008-06-25  Martin Maechler  <maechler@stat.math.ethz.ch>
27    
28            * R/diagMatrix.R (.bdiag): use more efficient Bates-algorithm for
29            .bdiag().
30            * man/bdiag.Rd: update, including test.
31    
32    2008-06-24  Martin Maechler  <maechler@stat.math.ethz.ch>
33    
34            * tests/Simple.R: add minimal bdiag() checks
35    
36            * R/diagMatrix.R (bdiag): fix bdiag(diag(4:5)) case;
37              factor out the Tsparse - internal computation into new .bdiag()
38    
39    2008-06-14  Martin Maechler  <maechler@stat.math.ethz.ch>
40    
41            * R/nsparseMatrix.R: specific fast all() and any() methods.
42    
43            * src/dgTMatrix.c (MAKE_gTMatrix_to_geMatrix): better error message
44            when trying to produce too large result.
45    
46            * inst/test-tools.R (checkMatrix): add 'do.matrix' with a check for
47            very large matrices.
48    
49            * R/sparseMatrix.R (printSpMatrix2): new function, used by
50            show(<sparseMatrix>).
51    
52            * R/diagMatrix.R (show): print only diagonal entries when nrow(.) >= 50.
53    
54    2008-06-13  Martin Maechler  <maechler@stat.math.ethz.ch>
55    
56            * src/Mutils.c (m_encodeInd, m_encodeInd2):
57            * R/*.R: .Call(m_encodeInd2?, ..) instead of encodeInd2?(..).
58    
59            * R/Auxiliaries.R (encodeInd2?): care against integer overflow (for
60            big matrices): -> 2nd argument 'di' instead of 'nr' !
61    
62    2008-06-09  Martin Maechler  <maechler@stat.math.ethz.ch>
63    
64            * R/dtCMatrix.R: faster dgC* -> dtC* method
65            * tests/Simple.R: (hence removed "FIXME")
66    
67            * R/Auxiliaries.R (copyClass): add 'check = .copyClass.check'
68            which can be be turned off for possible speed gains.
69    
70    2008-06-02  Martin Maechler  <maechler@stat.math.ethz.ch>
71    
72            * R/dMatrix.R, R/Tsparse.R: get rid of some disambiguation warnings
73    
74            * R/not.R: fix !<ldiMatrix>
75            implement two old "FIXME"s:  !<ldenseMatrix> & !<ndenseMatrix>
76    
77            * R/diagMatrix.R (Ops): fix one-off thinko in
78            <diagonal> o <numeric> methods
79    
80            * inst/test-tools.R: checkMatrix(): drop0(m12) unconditionally
81    
82    2008-05-30  Martin Maechler  <maechler@stat.math.ethz.ch>
83    
84            * R/diagMatrix.R (Ops): more <diagonal> o <Matrix> methods
85            * tests/Simple.R: testing the above
86    
87    2008-05-07  Martin Maechler  <maechler@stat.math.ethz.ch>
88    
89            * NAMESPACE: also import "Ops" {found via new tools:::get_S4_generics_with_methods()}
90    
91    2008-05-03  Martin Maechler  <maechler@stat.math.ethz.ch>
92    
93            * R/Matrix.R (dimnames<-): dimnames(.) <- NULL works with a message;
94            * NAMESPACE (unname): finally exported
95    
96    2008-04-28  Martin Maechler  <maechler@stat.math.ethz.ch>
97    
98            * R/Auxiliaries.R (cholMat): possibly keep packed
99    
100            * inst/test-tools.R (checkMatrix): add fixed determinant.matrix()
101            for R < 2.7.0.
102    
103            * R/Tsparse.R ([): for triangularMatrix, check if result may be
104            triangular.
105            * tests/indexing.R: regression test
106    
107    2008-04-26  Martin Maechler  <maechler@stat.math.ethz.ch>
108    
109            * inst/test-tools.R (checkMatrix): test <Ops> not only for dMatrix
110            * R/Ops.R: more methods, for lMatrix/nMatrix
111    
112    2008-04-24  Martin Maechler  <maechler@stat.math.ethz.ch>
113    
114            * R/expm.R: new file for all expm() methods; notably new ones for
115            diagonal*, triangular*, symmetric* and also simple "matrix".
116    
117    2008-04-23  Martin Maechler  <maechler@stat.math.ethz.ch>
118    
119            * R/dsyMatrix.R: setAs(.) rather than setIs(.)  "to dpoMatrix"
120    
121            * inst/test-tools.R (assert.EQ.mat): better message when not equal
122    
123            * src/dgeMatrix.c (dgeMatrix_matrix_crossprod): allow integer RHS.
124    
125            * R/AllClass.R (ddiMatrix,ldiMatrix): extend [dl]Matrix instead of
126            [dl]denseMatrix {identical slots; but more logical method dispatch}
127    
128    2008-04-23  Martin Maechler  <maechler@stat.math.ethz.ch>
129    
130            * R/sparseMatrix.R (summary): use length(<i-slot>) instead of nnzero()
131    
132            * R/diagMatrix.R (determinant): method
133    
134    2008-04-22  Martin Maechler  <maechler@stat.math.ethz.ch>
135    
136            * src/dsCMatrix.c (dsCMatrix_Cholesky): suppress CHOLMOD printing too
137    
138            * R/Rsparse.R (.viaC.to.R): uplo fix for symmetric & triangular
139    
140            * R/dsCMatrix.R (determinant): switch to use Cholesky( 'LDL' ) and
141            its diagonal
142    
143    2008-04-21  Martin Maechler  <maechler@stat.math.ethz.ch>
144    
145            * R/dMatrix.R (Summary): short-cut for prod(<sparse>)
146    
147            * R/not.R: fix !<"U"-diag-ltrMatrix> ; drop {R < 2.6.0}-branch
148    
149            * R/Auxiliaries.R (tT2gT): fix for "U"-diag-ltTMatrix
150    
151            * R/AllClass.R: ltTMatrix validity: call (more stringent) tTMatrix_validate
152    
153    2008-04-19  Martin Maechler  <maechler@stat.math.ethz.ch>
154    
155            * R/Ops.R (Ops.x.x): aux.function, not just for (dMatrix,dMatrix)
156    
157            * R/Ops.R (.do.Logic.lsparse): fix NA case
158    
159            * R/Tsparse.R (replTmat): fix r.sym case, using indTri()
160    
161            * R/Auxiliaries.R (nnzero): fix special cases, using
162            * R/Auxiliaries.R (indDiag): new utility
163            * R/Auxiliaries.R (indTri): new argument 'diag'
164    
165            * R/dMatrix.R: Summmary(<ddenseMatrix>): different branch for dsy*
166    
167    2008-04-18  Martin Maechler  <maechler@stat.math.ethz.ch>
168    
169            * R/diagMatrix.R: "Summary" methods, and more "Arith" / "Ops"
170    
171            * src/Csparse.c (Csparse_drop): preserve (uplo,diag) for
172            ".tCMatrix" triangular matrix.
173    
174            * R/Auxiliaries.R (drop0): use diagU2N(); according to helpfile,
175            'clx' can be class *or* class representation.
176            (nnzSparse): new.
177            (non0ind): new 'xtendSymm' argument; used in
178            * R/Ops.R:
179    
180            * R/pMatrix.R: more efficient determinant() method
181    
182    2008-04-17  Martin Maechler  <maechler@stat.math.ethz.ch>
183    
184            * [disactivated] R/Matrix.R (det): det() as base::det(), but with Matrix environment
185            * [disactivated] NAMESPACE: export(det)
186    
187            * R/diagMatrix.R (mkDiag): new substitute for diag()
188    
189            * R/Auxiliaries.R (nnzero): fix for "diagU2N"-case
190            (as0, as1): new utility.
191    
192            * R/Csparse.R (diag, band): need diagU2N()
193    
194            * src/dgeMatrix.c (get_norm): return NA when 'x' slot has NA/NaN.
195    
196            * R/lMatrix.R: coerce(nMatrix |-> lMatrix) fix
197    
198            * R/Ops.R (Compare): fix <nsp> o <nsp> case
199    
200            * R/nsparseMatrix.R, R/pMatrix.R: is.na() method
201    
202    2008-04-16  Martin Maechler  <maechler@stat.math.ethz.ch>
203    
204            * R/Auxiliaries.R (signPerm): new utility for
205            * R/Auxiliaries.R (detSparseLU): determinant() via sparseLU
206    
207            * src/dsCMatrix.c (dsCMatrix_LDL_D): suppress 'CHOLMOD warning';
208            since we have our own error handler (and can use tryCatch() from R).
209    
210    2008-04-15  Martin Maechler  <maechler@stat.math.ethz.ch>
211    
212            * R/dgTMatrix.R (image): ha! set col=NA if lwd is small -- very nice!
213    
214            * R/dsCMatrix.R (determinant): use tryCatch() and switch to lu()
215            when not positive definite.
216    
217            * R/Auxiliaries.R (asTri): new auxiliary
218            (non0.i): make *much* faster for Tsparse with many non-zero
219            entries; add 'uniqT = TRUE' argument to be used when sorting is undesired.
220    
221            * tests/Class+Meth.R (dotestMat): now build on checkMatrix() from
222            test-tools.R , see below
223    
224            * R/dMatrix.R: fix "Summary" method: + diagU2N()
225    
226            * NAMESPACE, R/Matrix.R: add mean() method
227    
228    2008-04-12  Martin Maechler  <maechler@stat.math.ethz.ch>
229    
230            * R/dgTMatrix.R (image): allow to *not* take abs(), and use
231            cold-hot colors; try *changed* default useAbs = FALSE
232            * man/image-methods.Rd:  nice examples
233    
234    2008-04-11  Martin Maechler  <maechler@stat.math.ethz.ch>
235    
236            * inst/test-tools.R (checkMatrix): new function for modularizing part
237            of tstMatrixClass() in tests/Class+Meth.R
238    
239            * R/dsCMatrix.R: coercion from "matrix"
240            * R/ltTMatrix.R, R/ntTMatrix.R: ditto (change it).
241    
242            * tests/Class+Meth.R (tstMatrixClass): some cleanup;
243            add test for as(matrix(,0,0), <class>)
244    
245    2008-04-09  Martin Maechler  <maechler@stat.math.ethz.ch>
246    
247            * src/dgeMatrix.c (dgeMatrix_determinant): for n == 0,
248            work as determinant(matrix(,0,0)).
249    
250            * src/dgCMatrix.c (dgCMatrix_LU): return {L,U} as dtCMatrix
251            * man/sparseLU-class.Rd: ditto
252    
253            * R/dgCMatrix.R (determinant): method building on lu()
254            * R/sparseMatrix.R, Matrix.R, ...: ditto
255    
256            * R/Auxiliaries.R (mkDet): auxiliary for determinant()
257    
258    2008-04-07  Martin Maechler  <maechler@stat.math.ethz.ch>
259    
260            * R/sparseMatrix.R (summary<sparseMatrix>): no 'x' column for
261            pattern matrices.
262    
263    2008-04-02  Martin Maechler  <maechler@stat.math.ethz.ch>
264    
265            * src/dense.c (dense_to_Csparse): all declarations *before*
266            R_CheckStack(); needed e.g. for ancient gcc 2.96.
267    
268    
269    2008-03-29  Martin Maechler  <maechler@stat.math.ethz.ch>
270    
271            * DESCRIPTION (Version): 0.999375-9 --- need to release
272            for R-devel (and R 2.7.0 alpha soon).
273    
274            * R/AllClass.R: drop "double" from "atomicVector" class union
275    
276            * R/AllGeneric.R (rcond): check for base::rcond instead of R version
277            * R/dgeMatrix.R: ditto
278    
279            * R/sparseMatrix.R (summary): count NAs
280    
281            * inst/doc/Intro2Matrix.Rnw: changes, aim for *one* introduction.
282    
283    2008-03-28  Martin Maechler  <maechler@stat.math.ethz.ch>
284    
285            * R/AllGeneric.R: rcond(., norm) instead of rcond(., type), in
286            order to become compatible to new R 2.7.0 base::rcond().
287    
288    2008-03-25  Martin Maechler  <maechler@stat.math.ethz.ch>
289    
290            * DESCRIPTION (Version,Date): 0.999375-8 --- released to CRAN
291    
292            * R/diagMatrix.R (Ops): fix newly introduce bug in <.di> o <numeric>
293    
294            * inst/test-tools.R (isValid): new utility, used much in
295            * tests/simple.R:
296    
297            * man/BunchKaufman-methods.Rd: added too
298    
299    2008-03-24  Martin Maechler  <maechler@stat.math.ethz.ch>
300    
301            * R/dsyMatrix.R: add BunchKaufman() methods.
302            * R/dspMatrix.R:
303    
304            * src/init.c: add dsyMatrix_trf
305    
306    2008-03-23  Douglas Bates <bates@stat.wisc.edu>
307    
308            * DESCRIPTION (Version): release 0.999375-7
309            * src/CHMfactor.c (CHMfactor_update): fix
310    
311    2008-03-22  Martin Maechler  <maechler@stat.math.ethz.ch>
312    
313            * src/dsCMatrix.c (dsCMatrix_LDL_D): cleanup, also using
314            internal_chm_factor().
315    
316            * R/AllGeneric.R: do *not* define a "chol" generic
317                    (but rather use the implicit one *without* making pivot
318                    part of the signature)
319            * R/*.R: drop the 'pivot' from chol's signature and make
320                    'pivot=FALSE' a default argument of method definitions.
321    
322            * .Rbuildignore: add 'wrld_1deg': I.e. do not put it into released
323            version of Matrix
324    
325    2008-03-18  Martin Maechler  <maechler@stat.math.ethz.ch>
326    
327            * R/Tsparse.R (.T.2.n): drop 0's before coercion to "nMatrix"
328    
329            * R/sparseMatrix.R (is.na): new simple method
330            * R/denseMatrix.R (is.na): ditto.
331    
332            * R/diagMatrix.R (.symDiagonal): newly exported utility.
333    
334            * R/diagMatrix.R (Ops): <diag> * <numeric> should not become dgeMatrix!
335    
336            * src/UFsparse_download.sh: -->
337            * src/CHOLMOD/: update to CHOLMOD version 1.6 (Nov.2007)
338    
339    2008-03-17  Martin Maechler  <maechler@stat.math.ethz.ch>
340    
341            * src/dsCMatrix.c (dsCMatrix_LDL_D): even faster utility with same
342            functionality; barely tested in
343            * tests/factorizing.R
344    
345            * src/Csparse.c (diag_tC): new functionality to enable faster
346            determinant(<dsCMatrix>, .) in
347            * R/dsCMatrix.R
348    
349    2008-03-17 18:53  Douglas Bates <bates@stat.wisc.edu>
350    
351            * R/CHMfactor.R, inst/include/Matrix.h, inst/include/Matrix_stubs.c,
352              src/CHMfactor.c, src/CHMfactor.h,
353              man/CHMfactor-class.Rd, src/init.c, tests/factorizing.R:
354              Log-determinant of the parent matrix from a CHMfactor object as
355              chm_factor_ldetL2; documentation and support
356    
357    2008-03-15  Martin Maechler  <maechler@stat.math.ethz.ch>
358    
359            * R/dsCMatrix.R: enable determinant(<dsCMatrix>, .) via chol(.)
360    
361    2008-03-14  Martin Maechler  <maechler@stat.math.ethz.ch>
362    
363            * R/dsCMatrix.R: setAs(., "dsCMatrix") but with a deprecation
364            warning.
365    
366    2008-03-13  Martin Maechler  <maechler@stat.math.ethz.ch>
367    
368            * DESCRIPTION (Version, Date): bug-fix release 0.999375-6
369    
370            * R/diagMatrix.R (diag2tT.u): utility to be smarter in
371              <diagonal> o <sparse_triangular>
372              setAs(., "nMatrix") added.
373    
374            * R/diagMatrix.R (Diagonal): Diagonal(4, x=3) now works too
375    
376            * R/Auxiliaries.R (.diagU2N): more careful coercion in 2 steps
377                    new argument 'checkDense = FALSE'.
378    
379    
380    2008-03-07  Martin Maechler  <maechler@stat.math.ethz.ch>
381    
382            * src/dgeMatrix.c (dgeMatrix_exp): fix the octave-origin bug in the
383            back-permutation of the matrix exponential.
384    
385            * tests/matr-exp.R: test the fix (for an example where expm() was wrong).
386    
387            * DESCRIPTION (Date,Version): ready to release 0.999375-5
388    
389            * tests/simple.R: testing diagN2U
390    
391    2008-03-06  Martin Maechler  <maechler@stat.math.ethz.ch>
392    
393            * R/Auxiliaries.R (diagN2U): interface to
394    
395            * src/Csparse.c (Csparse_diagN2U): .Call()able SEXP version of chm_diagN2U()
396    
397            * tests/matprod.R: test for triangularity preserving <dtC> %*% <dtC>
398    
399    2008-03-05  Martin Maechler  <maechler@stat.math.ethz.ch>
400    
401            * src/chm_common.c (chm_diagN2U): new utility.
402    
403            * src/Csparse.c (Csparse_Csparse_crossprod, Csparse_Csparse_prod):
404            make use of chm_diagN2U() and hence now preserve triangularity and
405            unit-triangularity.
406    
407            * DESCRIPTION (LicenseDetails): new; such that 'License:' becomes "canonical"
408    
409    2008-03-04  Martin Maechler  <maechler@stat.math.ethz.ch>
410    
411            * R/diagMatrix.R (subDiag): fix when x[..] became a vector
412    
413            * src/Tsparse.c (Tsparse_diagU2N): new utility, necessary for e.g.
414            * src/Csparse.c (Csparse_crossprod): use [CT]sparse_diagU2N() !!
415    
416            * R/Auxiliaries.R (.diagU2N): make use of new Tsparse_diagU2N
417    
418            * R/Ops.R ("-" (<sparseMatrix>)): use diagU2N()
419    
420            * src/chm_common.c (AS_CHM_FINISH): add note about problem
421            for triangular (diag = "U").
422    
423    2008-02-21  Martin Maechler  <maechler@stat.math.ethz.ch>
424    
425            * R/Auxiliaries.R (as_Csparse2): drop this, replacing by
426            * R/bind.R:  .Call(dense_to_Csparse, *)
427    
428    2008-02-20  Martin Maechler  <maechler@stat.math.ethz.ch>
429    
430            * R/Matrix.R (Matrix): no longer use coercions to specific classes
431                    (since we are discouraging them in user code).
432    
433            * tests/*.R: also replaces coercions to specific classes by
434            coercions to super classes.
435    
436            * R/denseMatrix.R (.dense2C): simplified by using forceSymmetric()
437    
438    
439    2008-02-19  Martin Maechler  <maechler@stat.math.ethz.ch>
440    
441            * man/CAex.Rd: example: coerce to symmetric*, not dsC*
442    
443            * src/dense.c (dense_band): generalized from ddense_band
444    
445            * R/ddenseMatrix.R (.trilDense,.triuDense, .bandDense):
446              now for "denseMatrix" (instead of just "ddense*"); much
447              simplified setMethod()s for these.
448    
449            * src/dense.c (dense_to_symmetric): generalized from ddense_*
450    
451    2008-02-18  Martin Maechler  <maechler@stat.math.ethz.ch>
452    
453            * R/AllGeneric.R: forceSymmetric() generic: fast no-checking
454            version of as(*, "symmetricMatric").
455    
456            * src/dense.c (ddense_to_symmetric): add 'symm_test' argument, and
457            * R/symmetricMatrix.R: set it TRUE in coercion to "symmetricMatrix"
458    
459    2008-02-16  Martin Maechler  <maechler@stat.math.ethz.ch>
460    
461            * R/Matrix.R (subset.ij): utility, as first step to faster
462               M [ <ij-matrix> ] indexing.
463    
464            * R/Matrix.R (.M.sub.i.logical): M[ <logical> ] : try better.
465    
466            * src/dense.c (ddense_symmpart, ddense_skewpart): new functions
467            for more efficient symmpart() and skewpart() methods.
468    
469            * src/Mutils.c (equal_string_vectors): utility
470    
471            * src/dense.c (ddense_to_symmetric): new function used in
472    
473            * R/symmetricMatrix.R: setAs(., "symmetricMatrix")
474    
475            * R/sparseMatrix.R, et_al (isSymmetric): add '...' to formals, in
476            order to match the generic (and evade .local(..)).
477    
478            * R/dsCMatrix.R: dgC -> dsC: use C code!
479    
480            * NAMESPACE, R/AllGeneric.R (symmpart, skewpart): new functions
481            as per TODO
482    
483            * R/Auxiliaries.R (setZero, all0Matrix): new utilities
484    
485            * R/symmetricMatrix.R: obvious symmpart(), skewpart() methods
486    
487    
488    2008-02-15  Martin Maechler  <maechler@stat.math.ethz.ch>
489    
490            * R/Ops.R (.Arith.Csparse): use diagU2N when needed in triangular
491    
492            * R/Auxiliaries.R (non0.i): take out of non0ind
493    
494            * R/ddenseMatrix.R (.trilDense, .triuDense, .bandDense):
495            make tril(), triu(), band() work for "matrix" and all "dense*"
496    
497            * R/triangularMatrix.R (.tri[lu].tr): need .diagU2N(*)
498            * tests/simple.R: test the fix above
499    
500            * R/sparseMatrix.R ([): simplification: no coerce to <general>
501                    before we use as(., <Tsparse>)[...] anyway
502    
503            * R/Rsparse.R (.viaC.to.R): mostly instead of .viaC.to.dgR()
504    
505            * R/triangularMatrix.R (isTriangular): methods for all subclasses
506            instead of "triangularMatrix" -- just to disambiguate
507    
508    2008-02-14  Martin Maechler  <maechler@stat.math.ethz.ch>
509    
510            * tests/Class+Meth.R (dotestMat): add m[FALSE, FALSE] { <-> TODO}
511            * tests/indexing.R: example that fails above
512    
513    2008-01-26  Martin Maechler  <maechler@stat.math.ethz.ch>
514    
515            * R/Matrix.R (.M.sub.i.2col): fix for logical matrix indexing
516            * R/Tsparse.R (.TM.sub.i.2col, .TM.repl.i.2col): ditto;
517                    now, M[lower.tri(M)] and  M[lower.tri(M)] <- v  work better
518    
519            * src/Tsparse.c (Tsparse_to_tCsparse): new fast utility.
520            * src/Tsparse.h, init.c: ditto
521            * R/Auxiliaries.R (isTriT): new; faster than going via Csparse
522                 both isTriC() and isTriT() now return TRUE with "kind" or FALSE.
523            * R/sparseMatrix.R (isTriangular): hence simplified
524    
525    2008-01-24  Martin Maechler  <maechler@stat.math.ethz.ch>
526    
527            * R/Ops.R (.Arith.Csparse): new utility factored out of former
528              <dgC> o <dgC>, extended for triangular and also used in  <dtC> o <dtC>.
529    
530    2008-01-23  Martin Maechler  <maechler@stat.math.ethz.ch>
531    
532            * tests/factorizing.R (checkSchur): and more tests for checking Schur()
533    
534            * inst/test-tools.R (isOrthogonal): new function; also file restructured
535    
536    2008-01-22  Martin Maechler  <maechler@stat.math.ethz.ch>
537    
538            * R/ngTMatrix.R: allow as(<numeric matrix>, "ngTMatrix") and hence
539            coercion to "nMatrix" and "pMatrix"
540    
541            * R/AllClass.R: "Schur" class;  "number" class union
542            * man/number-class.Rd:
543            * man/Schur-class.Rd:
544    
545            * R/eigen.R (.dgeSchur): utility, and return "Schur" class
546            (.simpleSchur): Schur() method for diagonal matrices
547            (.triSchur):    Schur() method for triangular matrices
548            (Schur.sym):    Schur() for symmetric matrices {building on eigen()}.
549    
550    
551    2008-01-21  Martin Maechler  <maechler@stat.math.ethz.ch>
552    
553            * src/dgCMatrix.c (dgCMatrix_QR): set @Dim slot (as per doc)
554    
555    2008-01-15  Martin Maechler  <maechler@stat.math.ethz.ch>
556    
557            * R/CHMfactor.R (solve): method for b="numeric", but also b="ANY"
558                    in order to ensure 'system = *' is not lost;
559                    formals()$system instead of cut&paste.
560            * tests/factorizing.R: test solve(<CHM..>, <numeric>)
561    
562    2008-01-11  Martin Maechler  <maechler@stat.math.ethz.ch>
563    
564            * DESCRIPTION (Date): make ready for release --> 0.999375-4
565    
566            * R/dgeMatrix.R: fix rcond() method for "dgeMatrix".
567    
568    2007-12-08  Martin Maechler  <maechler@stat.math.ethz.ch>
569    
570            * R/pMatrix.R: as(*, "matrix") now returns 0/1 *integer* matrix,
571                    and hence does as.vector(.).
572            * man/pMatrix-class.Rd: docs
573            * R/sparseMatrix.R: fix for printing "integer sparse"
574    
575            * tests/Class+Meth.R (tstMatrixClass): test M[FALSE], M[2] etc
576    
577            * R/Matrix.R and others: use "exact" function argument list for
578                    both "["   : (x, i,j, ..., drop)
579                    and  "[<-" : (x, i,j, ..., value)
580    
581            * R/denseMatrix.R: M[i] and M[i] <- v  (i vector) now work
582            * R/Tsparse.R (replTmat):    ditto
583            * R/diagMatrix.R (replDiag): ditto
584            * R/Csparse.R (replCmat):    ditto {was it worth the pain?}
585            * tests/indexing.R: testing the above
586    
587    2007-12-07  Martin Maechler  <maechler@stat.math.ethz.ch>
588    
589            * R/sparseMatrix.R (cov2cor): method for sparse matrices
590    
591            * R/diagMatrix.R ([<-): fix   D[ cbind(i,j) ] <- v
592    
593            * R/bind2.R: fix for Rsparse* and rbind2(dense,dense)
594    
595            * tests/Class+Meth.R: test cbind2, rbind2  and  diag<-
596    
597    2007-12-06  Martin Maechler  <maechler@stat.math.ethz.ch>
598    
599            * R/Matrix.R: "generic" cov2cor() method
600    
601            * R/nearPD.R: new 'only.values', 'keepDiag' arguments;
602                    speed up Q %*% D %*% t(Q)
603            * tests/dpoMatrix.R: test nearPD()
604    
605    2007-12-05  Doug Bates and Martin Maechler
606    
607            * R/sparseMatrix.R: xtabs(*, sparse=.) function; an extention of
608            stats::xtabs() allowing to create sparse matrices.
609    
610    2007-10-08  Martin Maechler  <maechler@stat.math.ethz.ch>
611    
612            * DESCRIPTION (Version): *-4 (released *-3 two days ago)
613    
614    2007-10-06  Martin Maechler  <maechler@stat.math.ethz.ch>
615    
616            * R/pMatrix.R: solve(<Matrix>, <pMatrix>)
617    
618    2007-10-05  Martin Maechler  <maechler@stat.math.ethz.ch>
619    
620            * R/LU.R: solve() method for "denseLU"
621    
622    2007-10-01  Martin Maechler  <maechler@stat.math.ethz.ch>
623    
624            * DESCRIPTION (Version): 0.999375-3 preparing for release
625    
626            * R/AllGeneric.R: simplify  if(.) .. else .. for R <= 2.5.1
627    
628            * R/Matrix.R (Matrix): .Internal(matrix(..)) different for R >= 2.7.0
629    
630    2007-09-26  Martin Maechler  <maechler@stat.math.ethz.ch>
631    
632            * R/pMatrix.R (.m.mult.pMat): fix <matrix> %*% <pMatrix>,
633              thanks to Kasper Kristensen.
634            * tests/matprod.R: regression test for that.
635    
636    2007-09-23 17:32  Douglas Bates <bates@stat.wisc.edu>
637    
638            * [r4778] R/AllGeneric.R: Check R version before defining generics for
639              primitives
640    
641    2007-09-13  Martin Maechler  <maechler@stat.math.ethz.ch>
642    
643            * R/denseMatrix.R (rcond): method
644            * R/sparseQR.R (rcond): method, use x or t(x)
645    
646    2007-09-12  Martin Maechler  <maechler@stat.math.ethz.ch>
647    
648            * R/dgeMatrix.R (rcond): method: work via qr.R() for non-square
649            matrices.
650            * R/sparseMatrix.R: Ditto for all other rcond() method definitions.
651    
652            * man/rcond.Rd: mention the more general definition, and add
653            example for non-square matrices.
654    
655            * man/chol.Rd: new file, for the S4 chol() generic and all methods.
656    
657    2007-09-11  Martin Maechler  <maechler@stat.math.ethz.ch>
658    
659            * R/sparseQR.R: add qr.R() method [to be used for rcond()]
660    
661  2007-09-01  Martin Maechler  <maechler@stat.math.ethz.ch>  2007-09-01  Martin Maechler  <maechler@stat.math.ethz.ch>
662    
663          * R/Matrix.R ([<-): add (Matrix,missing,ANY,Matrix) etc          * R/Matrix.R ([<-): add (Matrix,missing,ANY,Matrix) etc

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