SCM

SCM Repository

[matrix] Diff of /pkg/src/Mutils.h
ViewVC logotype

Diff of /pkg/src/Mutils.h

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 476, Wed Feb 2 11:51:24 2005 UTC revision 2104, Sat Jan 12 16:09:01 2008 UTC
# Line 1  Line 1 
1  #ifndef MATRIX_MUTILS_H  #ifndef MATRIX_MUTILS_H
2  #define MATRIX_MUTILS_H  #define MATRIX_MUTILS_H
3    
4  #include <Rdefines.h>  #ifdef __cplusplus
5  #include <Rconfig.h>  extern "C" {
6  #include "cblas.h"  #endif
7    
8    #include <ctype.h>
9    #include <R.h>  /* includes Rconfig.h */
10    #include <Rdefines.h> /* Rinternals.h + GET_SLOT etc */
11    
12    #ifdef ENABLE_NLS
13    #include <libintl.h>
14    #define _(String) dgettext ("Matrix", String)
15    #else
16    #define _(String) (String)
17    #endif
18    
19    #ifdef __GNUC__
20    # undef alloca
21    # define alloca(x) __builtin_alloca((x))
22    #else
23    /* this is necessary (and sufficient) for Solaris 10: */
24    #ifdef __sun
25    # include <alloca.h>
26    #endif
27    #endif
28    
29  /* short forms of some enum constants from cblas.h */  #define Alloca(n, t)   (t *) alloca( (size_t) ( (n) * sizeof(t) ) )
30    
31    SEXP triangularMatrix_validate(SEXP obj);
32    SEXP symmetricMatrix_validate(SEXP obj);
33    SEXP dense_nonpacked_validate(SEXP obj);
34    
35    /* enum constants from cblas.h and some short forms */
36    enum CBLAS_ORDER {CblasRowMajor=101, CblasColMajor=102};
37    enum CBLAS_TRANSPOSE {CblasNoTrans=111, CblasTrans=112, CblasConjTrans=113};
38    enum CBLAS_UPLO {CblasUpper=121, CblasLower=122};
39    enum CBLAS_DIAG {CblasNonUnit=131, CblasUnit=132};
40    enum CBLAS_SIDE {CblasLeft=141, CblasRight=142};
41  #define RMJ CblasRowMajor  #define RMJ CblasRowMajor
42  #define CMJ CblasColMajor  #define CMJ CblasColMajor
43  #define NTR CblasNoTrans  #define NTR CblasNoTrans
# Line 18  Line 50 
50  #define LFT CblasLeft  #define LFT CblasLeft
51  #define RGT CblasRight  #define RGT CblasRight
52    
53  char norm_type(char *typstr);  char norm_type(const char *typstr);
54  char rcond_type(char *typstr);  char rcond_type(const char *typstr);
55  double get_double_by_name(SEXP obj, char *nm);  double get_double_by_name(SEXP obj, char *nm);
56  SEXP set_double_by_name(SEXP obj, double val, char *nm);  SEXP set_double_by_name(SEXP obj, double val, char *nm);
57  SEXP as_det_obj(double val, int log, int sign);  SEXP as_det_obj(double val, int log, int sign);
58  SEXP get_factors(SEXP obj, char *nm);  SEXP get_factors(SEXP obj, char *nm);
59  SEXP set_factors(SEXP obj, SEXP val, char *nm);  SEXP set_factors(SEXP obj, SEXP val, char *nm);
60  SEXP cscMatrix_set_Dim(SEXP x, int nrow);  SEXP dgCMatrix_set_Dim(SEXP x, int nrow);
61  int csc_unsorted_columns(int ncol, const int p[], const int i[]);  
62  void csc_sort_columns(int ncol, const int p[], int i[], double x[]);  /* int csc_unsorted_columns(int ncol, const int p[], const int i[]); */
63  SEXP triple_as_SEXP(int nrow, int ncol, int nz,  /* void csc_sort_columns(int ncol, const int p[], int i[], double x[]); */
64                      const int Ti [], const int Tj [], const double Tx [],  /* SEXP csc_check_column_sorting(SEXP A); */
65                      char *Rclass);  SEXP Matrix_make_named(int TYP, char **names);
66  SEXP csc_check_column_sorting(SEXP A);  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);
67  void csc_components_transpose(int m, int n, int nnz,  void d_packed_getDiag(double *dest, SEXP x, int n);
68                                const int xp[], const int xi[],  void l_packed_getDiag(   int *dest, SEXP x, int n);
69                                const double xx[],  void tr_d_packed_getDiag(double *dest, SEXP x);
70                                int ap[], int ai[], double ax[]);  void tr_l_packed_getDiag(   int *dest, SEXP x);
71  void ssc_symbolic_permute(int n, int upper, const int perm[],  
72                            int Ap[], int Ai[]);  SEXP Matrix_getElement(SEXP list, char *nm);
73  double *nlme_symmetrize(double *a, const int nc);  
74  void nlme_check_Lapack_error(int info, const char *laName);  #define PACKED_TO_FULL(TYPE)                                            \
75  SEXP nlme_replaceSlot(SEXP obj, SEXP names, SEXP value);  TYPE *packed_to_full_ ## TYPE(TYPE *dest, const TYPE *src,              \
76  SEXP nlme_weight_matrix_list(SEXP MLin, SEXP wts, SEXP adjst, SEXP MLout);                               int n, enum CBLAS_UPLO uplo)
77    PACKED_TO_FULL(double);
78                                  /* stored pointers to symbols */  PACKED_TO_FULL(int);
79                                  /* initialized in R_init_Matrix */  #undef PACKED_TO_FULL
80  extern  
81    #define FULL_TO_PACKED(TYPE)                                            \
82    TYPE *full_to_packed_ ## TYPE(TYPE *dest, const TYPE *src, int n,       \
83                                  enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag)
84    FULL_TO_PACKED(double);
85    FULL_TO_PACKED(int);
86    #undef FULL_TO_PACKED
87    
88    
89    extern   /* stored pointers to symbols initialized in R_init_Matrix */
90  #include "Syms.h"  #include "Syms.h"
91    
92  /* zero an array */  /* zero an array */
93  #define AZERO(x, n) {int _I_, _SZ_ = (n); for(_I_ = 0; _I_ < _SZ_; _I_++) (x)[_I_] = 0;}  #define AZERO(x, n) {int _I_, _SZ_ = (n); for(_I_ = 0; _I_ < _SZ_; _I_++) (x)[_I_] = 0;}
94    
95    /* number of elements in one triangle of a square matrix of order n */
96    #define PACKED_LENGTH(n)   ((n) * ((n) + 1))/2
97    
98    /* duplicate the slot with name given by sym from src to dest */
99    /* FIXME: is not yet used */
100    #define slot_dup(dest, src, sym)  SET_SLOT(dest, sym, duplicate(GET_SLOT(src, sym)))
101    
102    #define slot_nonNull_dup(dest, src, sym)                        \
103        if(GET_SLOT(src, sym) != R_NilValue)                        \
104            SET_SLOT(dest, sym, duplicate(GET_SLOT(src, sym)))
105    
106    /* TODO: Make this faster for the case where dimnames = list(NULL,NULL)
107     *       and hence don't have to be set ! */
108    #define SET_DimNames(dest, src) slot_dup(dest, src, Matrix_DimNamesSym)
109    
110    
111    #define uplo_P(_x_) CHAR(STRING_ELT(GET_SLOT(_x_, Matrix_uploSym), 0))
112    #define diag_P(_x_) CHAR(STRING_ELT(GET_SLOT(_x_, Matrix_diagSym), 0))
113    #define class_P(_x_) CHAR(asChar(getAttrib(_x_, R_ClassSymbol)))
114    
115    /* should also work for "matrix" matrices: */
116    #define Real_KIND(_x_)  (IS_S4_OBJECT(_x_) ? Real_kind(_x_) : \
117                             (isReal(_x_) ? 0 : (isLogical(_x_) ? 1 : -1)))
118    
119    /* requires 'x' slot: */
120    #define Real_kind(_x_)  (isReal(GET_SLOT(_x_, Matrix_xSym)) ? 0 :       \
121                             (isLogical(GET_SLOT(_x_, Matrix_xSym)) ? 1 : -1))
122    
123    
124    /**
125     * Check for valid length of a packed triangular array and return the
126     * corresponding number of columns
127     *
128     * @param len length of a packed triangular array
129     *
130     * @return number of columns
131     */
132    static R_INLINE
133    int packed_ncol(int len)
134    {
135        int disc = 8 * len + 1;     /* discriminant */
136        int sqrtd = (int) sqrt((double) disc);
137    
138        if (len < 0 || disc != sqrtd * sqrtd)
139            error(_("invalid 'len' = %d in packed_ncol"));
140        return (sqrtd - 1)/2;
141    }
142    
143    /**
144     * Allocate an SEXP of given type and length, assign it as slot nm in
145     * the object, and return the SEXP.  The validity of this function
146     * depends on SET_SLOT not duplicating val when NAMED(val) == 0.  If
147     * this behavior changes then ALLOC_SLOT must use SET_SLOT followed by
148     * GET_SLOT to ensure that the value returned is indeed the SEXP in
149     * the slot.
150     * NOTE:  GET_SLOT(x, what)        :== R_do_slot       (x, what)
151     * ----   SET_SLOT(x, what, value) :== R_do_slot_assign(x, what, value)
152     * and the R_do_slot* are in src/main/attrib.c
153     *
154     * @param obj object in which to assign the slot
155     * @param nm name of the slot, as an R name object
156     * @param type type of SEXP to allocate
157     * @param length length of SEXP to allocate
158     *
159     * @return SEXP of given type and length assigned as slot nm in obj
160     */
161    static R_INLINE
162    SEXP ALLOC_SLOT(SEXP obj, SEXP nm, SEXPTYPE type, int length)
163    {
164        SEXP val = allocVector(type, length);
165    
166        SET_SLOT(obj, nm, val);
167        return val;
168    }
169    
170    /**
171     * Expand compressed pointers in the array mp into a full set of indices
172     * in the array mj.
173     *
174     * @param ncol number of columns (or rows)
175     * @param mp column pointer vector of length ncol + 1
176     * @param mj vector of length mp[ncol] to hold the result
177     *
178     * @return mj
179     */
180    static R_INLINE
181    int* expand_cmprPt(int ncol, const int mp[], int mj[])
182    {
183        int j;
184        for (j = 0; j < ncol; j++) {
185            int j2 = mp[j+1], jj;
186            for (jj = mp[j]; jj < j2; jj++) mj[jj] = j;
187        }
188        return mj;
189    }
190    
191    void make_d_matrix_triangular(double *x, SEXP from);
192    void make_i_matrix_triangular(   int *x, SEXP from);
193    
194    void make_d_matrix_symmetric(double *to, SEXP from);
195    void make_i_matrix_symmetric(   int *to, SEXP from);
196    
197    SEXP Matrix_expand_pointers(SEXP pP);
198    
199    SEXP dup_mMatrix_as_dgeMatrix(SEXP A);
200    SEXP dup_mMatrix_as_geMatrix (SEXP A);
201    
202    SEXP new_dgeMatrix(int nrow, int ncol);
203    
204    static R_INLINE SEXP
205    mMatrix_as_dgeMatrix(SEXP A)
206    {
207        return strcmp(class_P(A), "dgeMatrix") ? dup_mMatrix_as_dgeMatrix(A) : A;
208    }
209    
210    static R_INLINE SEXP
211    mMatrix_as_geMatrix(SEXP A)
212    {
213        return strcmp(class_P(A) + 1, "geMatrix") ? dup_mMatrix_as_geMatrix(A) : A;
214    }
215    
216    /**
217     * Return the 0-based index of a string match in a vector of strings
218     * terminated by an empty string.  Returns -1 for no match.
219     *
220     * @param class string to match
221     * @param valid vector of possible matches terminated by an empty string
222     *
223     * @return index of match or -1 for no match
224     */
225    static R_INLINE int
226    Matrix_check_class(const char *class, char **valid)
227    {
228        int ans;
229        for (ans = 0; ; ans++) {
230            if (!strlen(valid[ans])) return -1;
231            if (!strcmp(class, valid[ans])) return ans;
232        }
233    }
234    
235    #ifdef __cplusplus
236    }
237  #endif  #endif
238    
239    #endif /* MATRIX_MUTILS_H_ */

Legend:
Removed from v.476  
changed lines
  Added in v.2104

root@r-forge.r-project.org
ViewVC Help
Powered by ViewVC 1.0.0  
Thanks to:
Vienna University of Economics and Business Powered By FusionForge