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revision 2159, Sat Mar 29 08:09:05 2008 UTC revision 2194, Tue May 20 06:44:19 2008 UTC
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1    2008-05-07  Martin Maechler  <maechler@stat.math.ethz.ch>
2    
3            * NAMESPACE: also import "Ops" {found via new tools:::get_S4_generics_with_methods()}
4    
5    2008-05-03  Martin Maechler  <maechler@stat.math.ethz.ch>
6    
7            * R/Matrix.R (dimnames<-): dimnames(.) <- NULL works with a message;
8            * NAMESPACE (unname): finally exported
9    
10    2008-04-28  Martin Maechler  <maechler@stat.math.ethz.ch>
11    
12            * R/Auxiliaries.R (cholMat): possibly keep packed
13    
14            * inst/test-tools.R (checkMatrix): add fixed determinant.matrix()
15            for R < 2.7.0.
16    
17            * R/Tsparse.R ([): for triangularMatrix, check if result may be
18            triangular.
19            * tests/indexing.R: regression test
20    
21    2008-04-26  Martin Maechler  <maechler@stat.math.ethz.ch>
22    
23            * inst/test-tools.R (checkMatrix): test <Ops> not only for dMatrix
24            * R/Ops.R: more methods, for lMatrix/nMatrix
25    
26    2008-04-24  Martin Maechler  <maechler@stat.math.ethz.ch>
27    
28            * R/expm.R: new file for all expm() methods; notably new ones for
29            diagonal*, triangular*, symmetric* and also simple "matrix".
30    
31    2008-04-23  Martin Maechler  <maechler@stat.math.ethz.ch>
32    
33            * R/dsyMatrix.R: setAs(.) rather than setIs(.)  "to dpoMatrix"
34    
35            * inst/test-tools.R (assert.EQ.mat): better message when not equal
36    
37            * src/dgeMatrix.c (dgeMatrix_matrix_crossprod): allow integer RHS.
38    
39            * R/AllClass.R (ddiMatrix,ldiMatrix): extend [dl]Matrix instead of
40            [dl]denseMatrix {identical slots; but more logical method dispatch}
41    
42    2008-04-23  Martin Maechler  <maechler@stat.math.ethz.ch>
43    
44            * R/sparseMatrix.R (summary): use length(<i-slot>) instead of nnzero()
45    
46            * R/diagMatrix.R (determinant): method
47    
48    2008-04-22  Martin Maechler  <maechler@stat.math.ethz.ch>
49    
50            * src/dsCMatrix.c (dsCMatrix_Cholesky): suppress CHOLMOD printing too
51    
52            * R/Rsparse.R (.viaC.to.R): uplo fix for symmetric & triangular
53    
54            * R/dsCMatrix.R (determinant): switch to use Cholesky( 'LDL' ) and
55            its diagonal
56    
57    2008-04-21  Martin Maechler  <maechler@stat.math.ethz.ch>
58    
59            * R/dMatrix.R (Summary): short-cut for prod(<sparse>)
60    
61            * R/not.R: fix !<"U"-diag-ltrMatrix> ; drop {R < 2.6.0}-branch
62    
63            * R/Auxiliaries.R (tT2gT): fix for "U"-diag-ltTMatrix
64    
65            * R/AllClass.R: ltTMatrix validity: call (more stringent) tTMatrix_validate
66    
67    2008-04-19  Martin Maechler  <maechler@stat.math.ethz.ch>
68    
69            * R/Ops.R (Ops.x.x): aux.function, not just for (dMatrix,dMatrix)
70    
71            * R/Ops.R (.do.Logic.lsparse): fix NA case
72    
73            * R/Tsparse.R (replTmat): fix r.sym case, using indTri()
74    
75            * R/Auxiliaries.R (nnzero): fix special cases, using
76            * R/Auxiliaries.R (indDiag): new utility
77            * R/Auxiliaries.R (indTri): new argument 'diag'
78    
79            * R/dMatrix.R: Summmary(<ddenseMatrix>): different branch for dsy*
80    
81    2008-04-18  Martin Maechler  <maechler@stat.math.ethz.ch>
82    
83            * R/diagMatrix.R: "Summary" methods, and more "Arith" / "Ops"
84    
85            * src/Csparse.c (Csparse_drop): preserve (uplo,diag) for
86            ".tCMatrix" triangular matrix.
87    
88            * R/Auxiliaries.R (drop0): use diagU2N(); according to helpfile,
89            'clx' can be class *or* class representation.
90            (nnzSparse): new.
91            (non0ind): new 'xtendSymm' argument; used in
92            * R/Ops.R:
93    
94            * R/pMatrix.R: more efficient determinant() method
95    
96    2008-04-17  Martin Maechler  <maechler@stat.math.ethz.ch>
97    
98            * [disactivated] R/Matrix.R (det): det() as base::det(), but with Matrix environment
99            * [disactivated] NAMESPACE: export(det)
100    
101            * R/diagMatrix.R (mkDiag): new substitute for diag()
102    
103            * R/Auxiliaries.R (nnzero): fix for "diagU2N"-case
104            (as0, as1): new utility.
105    
106            * R/Csparse.R (diag, band): need diagU2N()
107    
108            * src/dgeMatrix.c (get_norm): return NA when 'x' slot has NA/NaN.
109    
110            * R/lMatrix.R: coerce(nMatrix |-> lMatrix) fix
111    
112            * R/Ops.R (Compare): fix <nsp> o <nsp> case
113    
114            * R/nsparseMatrix.R, R/pMatrix.R: is.na() method
115    
116    2008-04-16  Martin Maechler  <maechler@stat.math.ethz.ch>
117    
118            * R/Auxiliaries.R (signPerm): new utility for
119            * R/Auxiliaries.R (detSparseLU): determinant() via sparseLU
120    
121            * src/dsCMatrix.c (dsCMatrix_LDL_D): suppress 'CHOLMOD warning';
122            since we have our own error handler (and can use tryCatch() from R).
123    
124    2008-04-15  Martin Maechler  <maechler@stat.math.ethz.ch>
125    
126            * R/dgTMatrix.R (image): ha! set col=NA if lwd is small -- very nice!
127    
128            * R/dsCMatrix.R (determinant): use tryCatch() and switch to lu()
129            when not positive definite.
130    
131            * R/Auxiliaries.R (asTri): new auxiliary
132            (non0.i): make *much* faster for Tsparse with many non-zero
133            entries; add 'uniqT = TRUE' argument to be used when sorting is undesired.
134    
135            * tests/Class+Meth.R (dotestMat): now build on checkMatrix() from
136            test-tools.R , see below
137    
138            * R/dMatrix.R: fix "Summary" method: + diagU2N()
139    
140            * NAMESPACE, R/Matrix.R: add mean() method
141    
142    2008-04-12  Martin Maechler  <maechler@stat.math.ethz.ch>
143    
144            * R/dgTMatrix.R (image): allow to *not* take abs(), and use
145            cold-hot colors; try *changed* default useAbs = FALSE
146            * man/image-methods.Rd:  nice examples
147    
148    2008-04-11  Martin Maechler  <maechler@stat.math.ethz.ch>
149    
150            * inst/test-tools.R (checkMatrix): new function for modularizing part
151            of tstMatrixClass() in tests/Class+Meth.R
152    
153            * R/dsCMatrix.R: coercion from "matrix"
154            * R/ltTMatrix.R, R/ntTMatrix.R: ditto (change it).
155    
156            * tests/Class+Meth.R (tstMatrixClass): some cleanup;
157            add test for as(matrix(,0,0), <class>)
158    
159    2008-04-09  Martin Maechler  <maechler@stat.math.ethz.ch>
160    
161            * src/dgeMatrix.c (dgeMatrix_determinant): for n == 0,
162            work as determinant(matrix(,0,0)).
163    
164            * src/dgCMatrix.c (dgCMatrix_LU): return {L,U} as dtCMatrix
165            * man/sparseLU-class.Rd: ditto
166    
167            * R/dgCMatrix.R (determinant): method building on lu()
168            * R/sparseMatrix.R, Matrix.R, ...: ditto
169    
170            * R/Auxiliaries.R (mkDet): auxiliary for determinant()
171    
172    2008-04-07  Martin Maechler  <maechler@stat.math.ethz.ch>
173    
174            * R/sparseMatrix.R (summary<sparseMatrix>): no 'x' column for
175            pattern matrices.
176    
177    2008-04-02  Martin Maechler  <maechler@stat.math.ethz.ch>
178    
179            * src/dense.c (dense_to_Csparse): all declarations *before*
180            R_CheckStack(); needed e.g. for ancient gcc 2.96.
181    
182    
183  2008-03-29  Martin Maechler  <maechler@stat.math.ethz.ch>  2008-03-29  Martin Maechler  <maechler@stat.math.ethz.ch>
184    
185          * DESCRIPTION (Version): 0.999375-9 --- need to release          * DESCRIPTION (Version): 0.999375-9 --- need to release
186          for R-devel (and R 2.7.0 alpha soon).          for R-devel (and R 2.7.0 alpha soon).
187    
188            * R/AllClass.R: drop "double" from "atomicVector" class union
189    
190            * R/AllGeneric.R (rcond): check for base::rcond instead of R version
191            * R/dgeMatrix.R: ditto
192    
193          * R/sparseMatrix.R (summary): count NAs          * R/sparseMatrix.R (summary): count NAs
194    
195            * inst/doc/Intro2Matrix.Rnw: changes, aim for *one* introduction.
196    
197  2008-03-28  Martin Maechler  <maechler@stat.math.ethz.ch>  2008-03-28  Martin Maechler  <maechler@stat.math.ethz.ch>
198    
199          * R/AllGeneric.R: rcond(., norm) instead of rcond(., type), in          * R/AllGeneric.R: rcond(., norm) instead of rcond(., type), in

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