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revision 2159, Sat Mar 29 08:09:05 2008 UTC revision 2188, Mon Apr 28 13:42:12 2008 UTC
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1    2008-04-28  Martin Maechler  <maechler@stat.math.ethz.ch>
2    
3            * inst/test-tools.R (checkMatrix): add fixed determinant.matrix()
4            for R < 2.7.0.
5    
6            * R/Tsparse.R ([): for triangularMatrix, check if result may be
7            triangular.
8            * tests/indexing.R: regression test
9    
10    2008-04-26  Martin Maechler  <maechler@stat.math.ethz.ch>
11    
12            * inst/test-tools.R (checkMatrix): test <Ops> not only for dMatrix
13            * R/Ops.R: more methods, for lMatrix/nMatrix
14    
15    2008-04-24  Martin Maechler  <maechler@stat.math.ethz.ch>
16    
17            * R/expm.R: new file for all expm() methods; notably new ones for
18            diagonal*, triangular*, symmetric* and also simple "matrix".
19    
20    2008-04-23  Martin Maechler  <maechler@stat.math.ethz.ch>
21    
22            * R/dsyMatrix.R: setAs(.) rather than setIs(.)  "to dpoMatrix"
23    
24            * inst/test-tools.R (assert.EQ.mat): better message when not equal
25    
26            * src/dgeMatrix.c (dgeMatrix_matrix_crossprod): allow integer RHS.
27    
28            * R/AllClass.R (ddiMatrix,ldiMatrix): extend [dl]Matrix instead of
29            [dl]denseMatrix {identical slots; but more logical method dispatch}
30    
31    2008-04-23  Martin Maechler  <maechler@stat.math.ethz.ch>
32    
33            * R/sparseMatrix.R (summary): use length(<i-slot>) instead of nnzero()
34    
35            * R/diagMatrix.R (determinant): method
36    
37    2008-04-22  Martin Maechler  <maechler@stat.math.ethz.ch>
38    
39            * src/dsCMatrix.c (dsCMatrix_Cholesky): suppress CHOLMOD printing too
40    
41            * R/Rsparse.R (.viaC.to.R): uplo fix for symmetric & triangular
42    
43            * R/dsCMatrix.R (determinant): switch to use Cholesky( 'LDL' ) and
44            its diagonal
45    
46    2008-04-21  Martin Maechler  <maechler@stat.math.ethz.ch>
47    
48            * R/dMatrix.R (Summary): short-cut for prod(<sparse>)
49    
50            * R/not.R: fix !<"U"-diag-ltrMatrix> ; drop {R < 2.6.0}-branch
51    
52            * R/Auxiliaries.R (tT2gT): fix for "U"-diag-ltTMatrix
53    
54            * R/AllClass.R: ltTMatrix validity: call (more stringent) tTMatrix_validate
55    
56    2008-04-19  Martin Maechler  <maechler@stat.math.ethz.ch>
57    
58            * R/Ops.R (Ops.x.x): aux.function, not just for (dMatrix,dMatrix)
59    
60            * R/Ops.R (.do.Logic.lsparse): fix NA case
61    
62            * R/Tsparse.R (replTmat): fix r.sym case, using indTri()
63    
64            * R/Auxiliaries.R (nnzero): fix special cases, using
65            * R/Auxiliaries.R (indDiag): new utility
66            * R/Auxiliaries.R (indTri): new argument 'diag'
67    
68            * R/dMatrix.R: Summmary(<ddenseMatrix>): different branch for dsy*
69    
70    2008-04-18  Martin Maechler  <maechler@stat.math.ethz.ch>
71    
72            * R/diagMatrix.R: "Summary" methods, and more "Arith" / "Ops"
73    
74            * src/Csparse.c (Csparse_drop): preserve (uplo,diag) for
75            ".tCMatrix" triangular matrix.
76    
77            * R/Auxiliaries.R (drop0): use diagU2N(); according to helpfile,
78            'clx' can be class *or* class representation.
79            (nnzSparse): new.
80            (non0ind): new 'xtendSymm' argument; used in
81            * R/Ops.R:
82    
83            * R/pMatrix.R: more efficient determinant() method
84    
85    2008-04-17  Martin Maechler  <maechler@stat.math.ethz.ch>
86    
87            * [disactivated] R/Matrix.R (det): det() as base::det(), but with Matrix environment
88            * [disactivated] NAMESPACE: export(det)
89    
90            * R/diagMatrix.R (mkDiag): new substitute for diag()
91    
92            * R/Auxiliaries.R (nnzero): fix for "diagU2N"-case
93            (as0, as1): new utility.
94    
95            * R/Csparse.R (diag, band): need diagU2N()
96    
97            * src/dgeMatrix.c (get_norm): return NA when 'x' slot has NA/NaN.
98    
99            * R/lMatrix.R: coerce(nMatrix |-> lMatrix) fix
100    
101            * R/Ops.R (Compare): fix <nsp> o <nsp> case
102    
103            * R/nsparseMatrix.R, R/pMatrix.R: is.na() method
104    
105    2008-04-16  Martin Maechler  <maechler@stat.math.ethz.ch>
106    
107            * R/Auxiliaries.R (signPerm): new utility for
108            * R/Auxiliaries.R (detSparseLU): determinant() via sparseLU
109    
110            * src/dsCMatrix.c (dsCMatrix_LDL_D): suppress 'CHOLMOD warning';
111            since we have our own error handler (and can use tryCatch() from R).
112    
113    2008-04-15  Martin Maechler  <maechler@stat.math.ethz.ch>
114    
115            * R/dgTMatrix.R (image): ha! set col=NA if lwd is small -- very nice!
116    
117            * R/dsCMatrix.R (determinant): use tryCatch() and switch to lu()
118            when not positive definite.
119    
120            * R/Auxiliaries.R (asTri): new auxiliary
121            (non0.i): make *much* faster for Tsparse with many non-zero
122            entries; add 'uniqT = TRUE' argument to be used when sorting is undesired.
123    
124            * tests/Class+Meth.R (dotestMat): now build on checkMatrix() from
125            test-tools.R , see below
126    
127            * R/dMatrix.R: fix "Summary" method: + diagU2N()
128    
129            * NAMESPACE, R/Matrix.R: add mean() method
130    
131    2008-04-12  Martin Maechler  <maechler@stat.math.ethz.ch>
132    
133            * R/dgTMatrix.R (image): allow to *not* take abs(), and use
134            cold-hot colors; try *changed* default useAbs = FALSE
135            * man/image-methods.Rd:  nice examples
136    
137    2008-04-11  Martin Maechler  <maechler@stat.math.ethz.ch>
138    
139            * inst/test-tools.R (checkMatrix): new function for modularizing part
140            of tstMatrixClass() in tests/Class+Meth.R
141    
142            * R/dsCMatrix.R: coercion from "matrix"
143            * R/ltTMatrix.R, R/ntTMatrix.R: ditto (change it).
144    
145            * tests/Class+Meth.R (tstMatrixClass): some cleanup;
146            add test for as(matrix(,0,0), <class>)
147    
148    2008-04-09  Martin Maechler  <maechler@stat.math.ethz.ch>
149    
150            * src/dgeMatrix.c (dgeMatrix_determinant): for n == 0,
151            work as determinant(matrix(,0,0)).
152    
153            * src/dgCMatrix.c (dgCMatrix_LU): return {L,U} as dtCMatrix
154            * man/sparseLU-class.Rd: ditto
155    
156            * R/dgCMatrix.R (determinant): method building on lu()
157            * R/sparseMatrix.R, Matrix.R, ...: ditto
158    
159            * R/Auxiliaries.R (mkDet): auxiliary for determinant()
160    
161    2008-04-07  Martin Maechler  <maechler@stat.math.ethz.ch>
162    
163            * R/sparseMatrix.R (summary<sparseMatrix>): no 'x' column for
164            pattern matrices.
165    
166    2008-04-02  Martin Maechler  <maechler@stat.math.ethz.ch>
167    
168            * src/dense.c (dense_to_Csparse): all declarations *before*
169            R_CheckStack(); needed e.g. for ancient gcc 2.96.
170    
171    
172  2008-03-29  Martin Maechler  <maechler@stat.math.ethz.ch>  2008-03-29  Martin Maechler  <maechler@stat.math.ethz.ch>
173    
174          * DESCRIPTION (Version): 0.999375-9 --- need to release          * DESCRIPTION (Version): 0.999375-9 --- need to release
175          for R-devel (and R 2.7.0 alpha soon).          for R-devel (and R 2.7.0 alpha soon).
176    
177            * R/AllClass.R: drop "double" from "atomicVector" class union
178    
179            * R/AllGeneric.R (rcond): check for base::rcond instead of R version
180            * R/dgeMatrix.R: ditto
181    
182          * R/sparseMatrix.R (summary): count NAs          * R/sparseMatrix.R (summary): count NAs
183    
184            * inst/doc/Intro2Matrix.Rnw: changes, aim for *one* introduction.
185    
186  2008-03-28  Martin Maechler  <maechler@stat.math.ethz.ch>  2008-03-28  Martin Maechler  <maechler@stat.math.ethz.ch>
187    
188          * R/AllGeneric.R: rcond(., norm) instead of rcond(., type), in          * R/AllGeneric.R: rcond(., norm) instead of rcond(., type), in

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