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revision 2159, Sat Mar 29 08:09:05 2008 UTC revision 2186, Mon Apr 28 12:37:01 2008 UTC
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1    2008-04-28  Martin Maechler  <maechler@stat.math.ethz.ch>
2    
3            * R/Tsparse.R ([): for triangularMatrix, check if result may be
4            triangular.
5            * tests/indexing.R: regression test
6    
7    2008-04-26  Martin Maechler  <maechler@stat.math.ethz.ch>
8    
9            * inst/test-tools.R (checkMatrix): test <Ops> not only for dMatrix
10            * R/Ops.R: more methods, for lMatrix/nMatrix
11    
12    2008-04-24  Martin Maechler  <maechler@stat.math.ethz.ch>
13    
14            * R/expm.R: new file for all expm() methods; notably new ones for
15            diagonal*, triangular*, symmetric* and also simple "matrix".
16    
17    2008-04-23  Martin Maechler  <maechler@stat.math.ethz.ch>
18    
19            * R/dsyMatrix.R: setAs(.) rather than setIs(.)  "to dpoMatrix"
20    
21            * inst/test-tools.R (assert.EQ.mat): better message when not equal
22    
23            * src/dgeMatrix.c (dgeMatrix_matrix_crossprod): allow integer RHS.
24    
25            * R/AllClass.R (ddiMatrix,ldiMatrix): extend [dl]Matrix instead of
26            [dl]denseMatrix {identical slots; but more logical method dispatch}
27    
28    2008-04-23  Martin Maechler  <maechler@stat.math.ethz.ch>
29    
30            * R/sparseMatrix.R (summary): use length(<i-slot>) instead of nnzero()
31    
32            * R/diagMatrix.R (determinant): method
33    
34    2008-04-22  Martin Maechler  <maechler@stat.math.ethz.ch>
35    
36            * src/dsCMatrix.c (dsCMatrix_Cholesky): suppress CHOLMOD printing too
37    
38            * R/Rsparse.R (.viaC.to.R): uplo fix for symmetric & triangular
39    
40            * R/dsCMatrix.R (determinant): switch to use Cholesky( 'LDL' ) and
41            its diagonal
42    
43    2008-04-21  Martin Maechler  <maechler@stat.math.ethz.ch>
44    
45            * R/dMatrix.R (Summary): short-cut for prod(<sparse>)
46    
47            * R/not.R: fix !<"U"-diag-ltrMatrix> ; drop {R < 2.6.0}-branch
48    
49            * R/Auxiliaries.R (tT2gT): fix for "U"-diag-ltTMatrix
50    
51            * R/AllClass.R: ltTMatrix validity: call (more stringent) tTMatrix_validate
52    
53    2008-04-19  Martin Maechler  <maechler@stat.math.ethz.ch>
54    
55            * R/Ops.R (Ops.x.x): aux.function, not just for (dMatrix,dMatrix)
56    
57            * R/Ops.R (.do.Logic.lsparse): fix NA case
58    
59            * R/Tsparse.R (replTmat): fix r.sym case, using indTri()
60    
61            * R/Auxiliaries.R (nnzero): fix special cases, using
62            * R/Auxiliaries.R (indDiag): new utility
63            * R/Auxiliaries.R (indTri): new argument 'diag'
64    
65            * R/dMatrix.R: Summmary(<ddenseMatrix>): different branch for dsy*
66    
67    2008-04-18  Martin Maechler  <maechler@stat.math.ethz.ch>
68    
69            * R/diagMatrix.R: "Summary" methods, and more "Arith" / "Ops"
70    
71            * src/Csparse.c (Csparse_drop): preserve (uplo,diag) for
72            ".tCMatrix" triangular matrix.
73    
74            * R/Auxiliaries.R (drop0): use diagU2N(); according to helpfile,
75            'clx' can be class *or* class representation.
76            (nnzSparse): new.
77            (non0ind): new 'xtendSymm' argument; used in
78            * R/Ops.R:
79    
80            * R/pMatrix.R: more efficient determinant() method
81    
82    2008-04-17  Martin Maechler  <maechler@stat.math.ethz.ch>
83    
84            * [disactivated] R/Matrix.R (det): det() as base::det(), but with Matrix environment
85            * [disactivated] NAMESPACE: export(det)
86    
87            * R/diagMatrix.R (mkDiag): new substitute for diag()
88    
89            * R/Auxiliaries.R (nnzero): fix for "diagU2N"-case
90            (as0, as1): new utility.
91    
92            * R/Csparse.R (diag, band): need diagU2N()
93    
94            * src/dgeMatrix.c (get_norm): return NA when 'x' slot has NA/NaN.
95    
96            * R/lMatrix.R: coerce(nMatrix |-> lMatrix) fix
97    
98            * R/Ops.R (Compare): fix <nsp> o <nsp> case
99    
100            * R/nsparseMatrix.R, R/pMatrix.R: is.na() method
101    
102    2008-04-16  Martin Maechler  <maechler@stat.math.ethz.ch>
103    
104            * R/Auxiliaries.R (signPerm): new utility for
105            * R/Auxiliaries.R (detSparseLU): determinant() via sparseLU
106    
107            * src/dsCMatrix.c (dsCMatrix_LDL_D): suppress 'CHOLMOD warning';
108            since we have our own error handler (and can use tryCatch() from R).
109    
110    2008-04-15  Martin Maechler  <maechler@stat.math.ethz.ch>
111    
112            * R/dgTMatrix.R (image): ha! set col=NA if lwd is small -- very nice!
113    
114            * R/dsCMatrix.R (determinant): use tryCatch() and switch to lu()
115            when not positive definite.
116    
117            * R/Auxiliaries.R (asTri): new auxiliary
118            (non0.i): make *much* faster for Tsparse with many non-zero
119            entries; add 'uniqT = TRUE' argument to be used when sorting is undesired.
120    
121            * tests/Class+Meth.R (dotestMat): now build on checkMatrix() from
122            test-tools.R , see below
123    
124            * R/dMatrix.R: fix "Summary" method: + diagU2N()
125    
126            * NAMESPACE, R/Matrix.R: add mean() method
127    
128    2008-04-12  Martin Maechler  <maechler@stat.math.ethz.ch>
129    
130            * R/dgTMatrix.R (image): allow to *not* take abs(), and use
131            cold-hot colors; try *changed* default useAbs = FALSE
132            * man/image-methods.Rd:  nice examples
133    
134    2008-04-11  Martin Maechler  <maechler@stat.math.ethz.ch>
135    
136            * inst/test-tools.R (checkMatrix): new function for modularizing part
137            of tstMatrixClass() in tests/Class+Meth.R
138    
139            * R/dsCMatrix.R: coercion from "matrix"
140            * R/ltTMatrix.R, R/ntTMatrix.R: ditto (change it).
141    
142            * tests/Class+Meth.R (tstMatrixClass): some cleanup;
143            add test for as(matrix(,0,0), <class>)
144    
145    2008-04-09  Martin Maechler  <maechler@stat.math.ethz.ch>
146    
147            * src/dgeMatrix.c (dgeMatrix_determinant): for n == 0,
148            work as determinant(matrix(,0,0)).
149    
150            * src/dgCMatrix.c (dgCMatrix_LU): return {L,U} as dtCMatrix
151            * man/sparseLU-class.Rd: ditto
152    
153            * R/dgCMatrix.R (determinant): method building on lu()
154            * R/sparseMatrix.R, Matrix.R, ...: ditto
155    
156            * R/Auxiliaries.R (mkDet): auxiliary for determinant()
157    
158    2008-04-07  Martin Maechler  <maechler@stat.math.ethz.ch>
159    
160            * R/sparseMatrix.R (summary<sparseMatrix>): no 'x' column for
161            pattern matrices.
162    
163    2008-04-02  Martin Maechler  <maechler@stat.math.ethz.ch>
164    
165            * src/dense.c (dense_to_Csparse): all declarations *before*
166            R_CheckStack(); needed e.g. for ancient gcc 2.96.
167    
168    
169  2008-03-29  Martin Maechler  <maechler@stat.math.ethz.ch>  2008-03-29  Martin Maechler  <maechler@stat.math.ethz.ch>
170    
171          * DESCRIPTION (Version): 0.999375-9 --- need to release          * DESCRIPTION (Version): 0.999375-9 --- need to release
172          for R-devel (and R 2.7.0 alpha soon).          for R-devel (and R 2.7.0 alpha soon).
173    
174            * R/AllClass.R: drop "double" from "atomicVector" class union
175    
176            * R/AllGeneric.R (rcond): check for base::rcond instead of R version
177            * R/dgeMatrix.R: ditto
178    
179          * R/sparseMatrix.R (summary): count NAs          * R/sparseMatrix.R (summary): count NAs
180    
181            * inst/doc/Intro2Matrix.Rnw: changes, aim for *one* introduction.
182    
183  2008-03-28  Martin Maechler  <maechler@stat.math.ethz.ch>  2008-03-28  Martin Maechler  <maechler@stat.math.ethz.ch>
184    
185          * R/AllGeneric.R: rcond(., norm) instead of rcond(., type), in          * R/AllGeneric.R: rcond(., norm) instead of rcond(., type), in

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