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revision 2159, Sat Mar 29 08:09:05 2008 UTC revision 2190, Mon Apr 28 16:24:15 2008 UTC
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1    2008-04-28  Martin Maechler  <maechler@stat.math.ethz.ch>
2    
3            * R/Auxiliaries.R (cholMat): possibly keep packed
4    
5            * inst/test-tools.R (checkMatrix): add fixed determinant.matrix()
6            for R < 2.7.0.
7    
8            * R/Tsparse.R ([): for triangularMatrix, check if result may be
9            triangular.
10            * tests/indexing.R: regression test
11    
12    2008-04-26  Martin Maechler  <maechler@stat.math.ethz.ch>
13    
14            * inst/test-tools.R (checkMatrix): test <Ops> not only for dMatrix
15            * R/Ops.R: more methods, for lMatrix/nMatrix
16    
17    2008-04-24  Martin Maechler  <maechler@stat.math.ethz.ch>
18    
19            * R/expm.R: new file for all expm() methods; notably new ones for
20            diagonal*, triangular*, symmetric* and also simple "matrix".
21    
22    2008-04-23  Martin Maechler  <maechler@stat.math.ethz.ch>
23    
24            * R/dsyMatrix.R: setAs(.) rather than setIs(.)  "to dpoMatrix"
25    
26            * inst/test-tools.R (assert.EQ.mat): better message when not equal
27    
28            * src/dgeMatrix.c (dgeMatrix_matrix_crossprod): allow integer RHS.
29    
30            * R/AllClass.R (ddiMatrix,ldiMatrix): extend [dl]Matrix instead of
31            [dl]denseMatrix {identical slots; but more logical method dispatch}
32    
33    2008-04-23  Martin Maechler  <maechler@stat.math.ethz.ch>
34    
35            * R/sparseMatrix.R (summary): use length(<i-slot>) instead of nnzero()
36    
37            * R/diagMatrix.R (determinant): method
38    
39    2008-04-22  Martin Maechler  <maechler@stat.math.ethz.ch>
40    
41            * src/dsCMatrix.c (dsCMatrix_Cholesky): suppress CHOLMOD printing too
42    
43            * R/Rsparse.R (.viaC.to.R): uplo fix for symmetric & triangular
44    
45            * R/dsCMatrix.R (determinant): switch to use Cholesky( 'LDL' ) and
46            its diagonal
47    
48    2008-04-21  Martin Maechler  <maechler@stat.math.ethz.ch>
49    
50            * R/dMatrix.R (Summary): short-cut for prod(<sparse>)
51    
52            * R/not.R: fix !<"U"-diag-ltrMatrix> ; drop {R < 2.6.0}-branch
53    
54            * R/Auxiliaries.R (tT2gT): fix for "U"-diag-ltTMatrix
55    
56            * R/AllClass.R: ltTMatrix validity: call (more stringent) tTMatrix_validate
57    
58    2008-04-19  Martin Maechler  <maechler@stat.math.ethz.ch>
59    
60            * R/Ops.R (Ops.x.x): aux.function, not just for (dMatrix,dMatrix)
61    
62            * R/Ops.R (.do.Logic.lsparse): fix NA case
63    
64            * R/Tsparse.R (replTmat): fix r.sym case, using indTri()
65    
66            * R/Auxiliaries.R (nnzero): fix special cases, using
67            * R/Auxiliaries.R (indDiag): new utility
68            * R/Auxiliaries.R (indTri): new argument 'diag'
69    
70            * R/dMatrix.R: Summmary(<ddenseMatrix>): different branch for dsy*
71    
72    2008-04-18  Martin Maechler  <maechler@stat.math.ethz.ch>
73    
74            * R/diagMatrix.R: "Summary" methods, and more "Arith" / "Ops"
75    
76            * src/Csparse.c (Csparse_drop): preserve (uplo,diag) for
77            ".tCMatrix" triangular matrix.
78    
79            * R/Auxiliaries.R (drop0): use diagU2N(); according to helpfile,
80            'clx' can be class *or* class representation.
81            (nnzSparse): new.
82            (non0ind): new 'xtendSymm' argument; used in
83            * R/Ops.R:
84    
85            * R/pMatrix.R: more efficient determinant() method
86    
87    2008-04-17  Martin Maechler  <maechler@stat.math.ethz.ch>
88    
89            * [disactivated] R/Matrix.R (det): det() as base::det(), but with Matrix environment
90            * [disactivated] NAMESPACE: export(det)
91    
92            * R/diagMatrix.R (mkDiag): new substitute for diag()
93    
94            * R/Auxiliaries.R (nnzero): fix for "diagU2N"-case
95            (as0, as1): new utility.
96    
97            * R/Csparse.R (diag, band): need diagU2N()
98    
99            * src/dgeMatrix.c (get_norm): return NA when 'x' slot has NA/NaN.
100    
101            * R/lMatrix.R: coerce(nMatrix |-> lMatrix) fix
102    
103            * R/Ops.R (Compare): fix <nsp> o <nsp> case
104    
105            * R/nsparseMatrix.R, R/pMatrix.R: is.na() method
106    
107    2008-04-16  Martin Maechler  <maechler@stat.math.ethz.ch>
108    
109            * R/Auxiliaries.R (signPerm): new utility for
110            * R/Auxiliaries.R (detSparseLU): determinant() via sparseLU
111    
112            * src/dsCMatrix.c (dsCMatrix_LDL_D): suppress 'CHOLMOD warning';
113            since we have our own error handler (and can use tryCatch() from R).
114    
115    2008-04-15  Martin Maechler  <maechler@stat.math.ethz.ch>
116    
117            * R/dgTMatrix.R (image): ha! set col=NA if lwd is small -- very nice!
118    
119            * R/dsCMatrix.R (determinant): use tryCatch() and switch to lu()
120            when not positive definite.
121    
122            * R/Auxiliaries.R (asTri): new auxiliary
123            (non0.i): make *much* faster for Tsparse with many non-zero
124            entries; add 'uniqT = TRUE' argument to be used when sorting is undesired.
125    
126            * tests/Class+Meth.R (dotestMat): now build on checkMatrix() from
127            test-tools.R , see below
128    
129            * R/dMatrix.R: fix "Summary" method: + diagU2N()
130    
131            * NAMESPACE, R/Matrix.R: add mean() method
132    
133    2008-04-12  Martin Maechler  <maechler@stat.math.ethz.ch>
134    
135            * R/dgTMatrix.R (image): allow to *not* take abs(), and use
136            cold-hot colors; try *changed* default useAbs = FALSE
137            * man/image-methods.Rd:  nice examples
138    
139    2008-04-11  Martin Maechler  <maechler@stat.math.ethz.ch>
140    
141            * inst/test-tools.R (checkMatrix): new function for modularizing part
142            of tstMatrixClass() in tests/Class+Meth.R
143    
144            * R/dsCMatrix.R: coercion from "matrix"
145            * R/ltTMatrix.R, R/ntTMatrix.R: ditto (change it).
146    
147            * tests/Class+Meth.R (tstMatrixClass): some cleanup;
148            add test for as(matrix(,0,0), <class>)
149    
150    2008-04-09  Martin Maechler  <maechler@stat.math.ethz.ch>
151    
152            * src/dgeMatrix.c (dgeMatrix_determinant): for n == 0,
153            work as determinant(matrix(,0,0)).
154    
155            * src/dgCMatrix.c (dgCMatrix_LU): return {L,U} as dtCMatrix
156            * man/sparseLU-class.Rd: ditto
157    
158            * R/dgCMatrix.R (determinant): method building on lu()
159            * R/sparseMatrix.R, Matrix.R, ...: ditto
160    
161            * R/Auxiliaries.R (mkDet): auxiliary for determinant()
162    
163    2008-04-07  Martin Maechler  <maechler@stat.math.ethz.ch>
164    
165            * R/sparseMatrix.R (summary<sparseMatrix>): no 'x' column for
166            pattern matrices.
167    
168    2008-04-02  Martin Maechler  <maechler@stat.math.ethz.ch>
169    
170            * src/dense.c (dense_to_Csparse): all declarations *before*
171            R_CheckStack(); needed e.g. for ancient gcc 2.96.
172    
173    
174  2008-03-29  Martin Maechler  <maechler@stat.math.ethz.ch>  2008-03-29  Martin Maechler  <maechler@stat.math.ethz.ch>
175    
176          * DESCRIPTION (Version): 0.999375-9 --- need to release          * DESCRIPTION (Version): 0.999375-9 --- need to release
177          for R-devel (and R 2.7.0 alpha soon).          for R-devel (and R 2.7.0 alpha soon).
178    
179            * R/AllClass.R: drop "double" from "atomicVector" class union
180    
181            * R/AllGeneric.R (rcond): check for base::rcond instead of R version
182            * R/dgeMatrix.R: ditto
183    
184          * R/sparseMatrix.R (summary): count NAs          * R/sparseMatrix.R (summary): count NAs
185    
186            * inst/doc/Intro2Matrix.Rnw: changes, aim for *one* introduction.
187    
188  2008-03-28  Martin Maechler  <maechler@stat.math.ethz.ch>  2008-03-28  Martin Maechler  <maechler@stat.math.ethz.ch>
189    
190          * R/AllGeneric.R: rcond(., norm) instead of rcond(., type), in          * R/AllGeneric.R: rcond(., norm) instead of rcond(., type), in

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