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revision 2159, Sat Mar 29 08:09:05 2008 UTC revision 2185, Sat Apr 26 20:33:16 2008 UTC
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1    2008-04-26  Martin Maechler  <maechler@stat.math.ethz.ch>
2    
3            * inst/test-tools.R (checkMatrix): test <Ops> not only for dMatrix
4            * R/Ops.R: more methods, for lMatrix/nMatrix
5    
6    2008-04-24  Martin Maechler  <maechler@stat.math.ethz.ch>
7    
8            * R/expm.R: new file for all expm() methods; notably new ones for
9            diagonal*, triangular*, symmetric* and also simple "matrix".
10    
11    2008-04-23  Martin Maechler  <maechler@stat.math.ethz.ch>
12    
13            * R/dsyMatrix.R: setAs(.) rather than setIs(.)  "to dpoMatrix"
14    
15            * inst/test-tools.R (assert.EQ.mat): better message when not equal
16    
17            * src/dgeMatrix.c (dgeMatrix_matrix_crossprod): allow integer RHS.
18    
19            * R/AllClass.R (ddiMatrix,ldiMatrix): extend [dl]Matrix instead of
20            [dl]denseMatrix {identical slots; but more logical method dispatch}
21    
22    2008-04-23  Martin Maechler  <maechler@stat.math.ethz.ch>
23    
24            * R/sparseMatrix.R (summary): use length(<i-slot>) instead of nnzero()
25    
26            * R/diagMatrix.R (determinant): method
27    
28    2008-04-22  Martin Maechler  <maechler@stat.math.ethz.ch>
29    
30            * src/dsCMatrix.c (dsCMatrix_Cholesky): suppress CHOLMOD printing too
31    
32            * R/Rsparse.R (.viaC.to.R): uplo fix for symmetric & triangular
33    
34            * R/dsCMatrix.R (determinant): switch to use Cholesky( 'LDL' ) and
35            its diagonal
36    
37    2008-04-21  Martin Maechler  <maechler@stat.math.ethz.ch>
38    
39            * R/dMatrix.R (Summary): short-cut for prod(<sparse>)
40    
41            * R/not.R: fix !<"U"-diag-ltrMatrix> ; drop {R < 2.6.0}-branch
42    
43            * R/Auxiliaries.R (tT2gT): fix for "U"-diag-ltTMatrix
44    
45            * R/AllClass.R: ltTMatrix validity: call (more stringent) tTMatrix_validate
46    
47    2008-04-19  Martin Maechler  <maechler@stat.math.ethz.ch>
48    
49            * R/Ops.R (Ops.x.x): aux.function, not just for (dMatrix,dMatrix)
50    
51            * R/Ops.R (.do.Logic.lsparse): fix NA case
52    
53            * R/Tsparse.R (replTmat): fix r.sym case, using indTri()
54    
55            * R/Auxiliaries.R (nnzero): fix special cases, using
56            * R/Auxiliaries.R (indDiag): new utility
57            * R/Auxiliaries.R (indTri): new argument 'diag'
58    
59            * R/dMatrix.R: Summmary(<ddenseMatrix>): different branch for dsy*
60    
61    2008-04-18  Martin Maechler  <maechler@stat.math.ethz.ch>
62    
63            * R/diagMatrix.R: "Summary" methods, and more "Arith" / "Ops"
64    
65            * src/Csparse.c (Csparse_drop): preserve (uplo,diag) for
66            ".tCMatrix" triangular matrix.
67    
68            * R/Auxiliaries.R (drop0): use diagU2N(); according to helpfile,
69            'clx' can be class *or* class representation.
70            (nnzSparse): new.
71            (non0ind): new 'xtendSymm' argument; used in
72            * R/Ops.R:
73    
74            * R/pMatrix.R: more efficient determinant() method
75    
76    2008-04-17  Martin Maechler  <maechler@stat.math.ethz.ch>
77    
78            * [disactivated] R/Matrix.R (det): det() as base::det(), but with Matrix environment
79            * [disactivated] NAMESPACE: export(det)
80    
81            * R/diagMatrix.R (mkDiag): new substitute for diag()
82    
83            * R/Auxiliaries.R (nnzero): fix for "diagU2N"-case
84            (as0, as1): new utility.
85    
86            * R/Csparse.R (diag, band): need diagU2N()
87    
88            * src/dgeMatrix.c (get_norm): return NA when 'x' slot has NA/NaN.
89    
90            * R/lMatrix.R: coerce(nMatrix |-> lMatrix) fix
91    
92            * R/Ops.R (Compare): fix <nsp> o <nsp> case
93    
94            * R/nsparseMatrix.R, R/pMatrix.R: is.na() method
95    
96    2008-04-16  Martin Maechler  <maechler@stat.math.ethz.ch>
97    
98            * R/Auxiliaries.R (signPerm): new utility for
99            * R/Auxiliaries.R (detSparseLU): determinant() via sparseLU
100    
101            * src/dsCMatrix.c (dsCMatrix_LDL_D): suppress 'CHOLMOD warning';
102            since we have our own error handler (and can use tryCatch() from R).
103    
104    2008-04-15  Martin Maechler  <maechler@stat.math.ethz.ch>
105    
106            * R/dgTMatrix.R (image): ha! set col=NA if lwd is small -- very nice!
107    
108            * R/dsCMatrix.R (determinant): use tryCatch() and switch to lu()
109            when not positive definite.
110    
111            * R/Auxiliaries.R (asTri): new auxiliary
112            (non0.i): make *much* faster for Tsparse with many non-zero
113            entries; add 'uniqT = TRUE' argument to be used when sorting is undesired.
114    
115            * tests/Class+Meth.R (dotestMat): now build on checkMatrix() from
116            test-tools.R , see below
117    
118            * R/dMatrix.R: fix "Summary" method: + diagU2N()
119    
120            * NAMESPACE, R/Matrix.R: add mean() method
121    
122    2008-04-12  Martin Maechler  <maechler@stat.math.ethz.ch>
123    
124            * R/dgTMatrix.R (image): allow to *not* take abs(), and use
125            cold-hot colors; try *changed* default useAbs = FALSE
126            * man/image-methods.Rd:  nice examples
127    
128    2008-04-11  Martin Maechler  <maechler@stat.math.ethz.ch>
129    
130            * inst/test-tools.R (checkMatrix): new function for modularizing part
131            of tstMatrixClass() in tests/Class+Meth.R
132    
133            * R/dsCMatrix.R: coercion from "matrix"
134            * R/ltTMatrix.R, R/ntTMatrix.R: ditto (change it).
135    
136            * tests/Class+Meth.R (tstMatrixClass): some cleanup;
137            add test for as(matrix(,0,0), <class>)
138    
139    2008-04-09  Martin Maechler  <maechler@stat.math.ethz.ch>
140    
141            * src/dgeMatrix.c (dgeMatrix_determinant): for n == 0,
142            work as determinant(matrix(,0,0)).
143    
144            * src/dgCMatrix.c (dgCMatrix_LU): return {L,U} as dtCMatrix
145            * man/sparseLU-class.Rd: ditto
146    
147            * R/dgCMatrix.R (determinant): method building on lu()
148            * R/sparseMatrix.R, Matrix.R, ...: ditto
149    
150            * R/Auxiliaries.R (mkDet): auxiliary for determinant()
151    
152    2008-04-07  Martin Maechler  <maechler@stat.math.ethz.ch>
153    
154            * R/sparseMatrix.R (summary<sparseMatrix>): no 'x' column for
155            pattern matrices.
156    
157    2008-04-02  Martin Maechler  <maechler@stat.math.ethz.ch>
158    
159            * src/dense.c (dense_to_Csparse): all declarations *before*
160            R_CheckStack(); needed e.g. for ancient gcc 2.96.
161    
162    
163  2008-03-29  Martin Maechler  <maechler@stat.math.ethz.ch>  2008-03-29  Martin Maechler  <maechler@stat.math.ethz.ch>
164    
165          * DESCRIPTION (Version): 0.999375-9 --- need to release          * DESCRIPTION (Version): 0.999375-9 --- need to release
166          for R-devel (and R 2.7.0 alpha soon).          for R-devel (and R 2.7.0 alpha soon).
167    
168            * R/AllClass.R: drop "double" from "atomicVector" class union
169    
170            * R/AllGeneric.R (rcond): check for base::rcond instead of R version
171            * R/dgeMatrix.R: ditto
172    
173          * R/sparseMatrix.R (summary): count NAs          * R/sparseMatrix.R (summary): count NAs
174    
175            * inst/doc/Intro2Matrix.Rnw: changes, aim for *one* introduction.
176    
177  2008-03-28  Martin Maechler  <maechler@stat.math.ethz.ch>  2008-03-28  Martin Maechler  <maechler@stat.math.ethz.ch>
178    
179          * R/AllGeneric.R: rcond(., norm) instead of rcond(., type), in          * R/AllGeneric.R: rcond(., norm) instead of rcond(., type), in

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