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

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revision 565, Tue Feb 22 01:15:45 2005 UTC revision 1461, Tue Aug 29 16:17:27 2006 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 <Rdefines.h> /* Rinternals.h + GET_SLOT etc */
9    #include <R.h>  /* includes Rconfig.h */
10    
11    #ifdef ENABLE_NLS
12    #include <libintl.h>
13    #define _(String) dgettext ("Matrix", String)
14    #else
15    #define _(String) (String)
16    #endif
17    
18  /* short forms of some enum constants from cblas.h */  SEXP triangularMatrix_validate(SEXP obj);
19    SEXP symmetricMatrix_validate(SEXP obj);
20    SEXP dense_nonpacked_validate(SEXP obj);
21    
22    /* enum constants from cblas.h and some short forms */
23    enum CBLAS_ORDER {CblasRowMajor=101, CblasColMajor=102};
24    enum CBLAS_TRANSPOSE {CblasNoTrans=111, CblasTrans=112, CblasConjTrans=113};
25    enum CBLAS_UPLO {CblasUpper=121, CblasLower=122};
26    enum CBLAS_DIAG {CblasNonUnit=131, CblasUnit=132};
27    enum CBLAS_SIDE {CblasLeft=141, CblasRight=142};
28  #define RMJ CblasRowMajor  #define RMJ CblasRowMajor
29  #define CMJ CblasColMajor  #define CMJ CblasColMajor
30  #define NTR CblasNoTrans  #define NTR CblasNoTrans
# Line 26  Line 45 
45  SEXP get_factors(SEXP obj, char *nm);  SEXP get_factors(SEXP obj, char *nm);
46  SEXP set_factors(SEXP obj, SEXP val, char *nm);  SEXP set_factors(SEXP obj, SEXP val, char *nm);
47  SEXP dgCMatrix_set_Dim(SEXP x, int nrow);  SEXP dgCMatrix_set_Dim(SEXP x, int nrow);
48    char uplo_value(SEXP x);
49    char diag_value(SEXP x);
50    
51  int csc_unsorted_columns(int ncol, const int p[], const int i[]);  int csc_unsorted_columns(int ncol, const int p[], const int i[]);
52  void csc_sort_columns(int ncol, const int p[], int i[], double x[]);  void csc_sort_columns(int ncol, const int p[], int i[], double x[]);
 SEXP triple_as_SEXP(int nrow, int ncol, int nz,  
                     const int Ti [], const int Tj [], const double Tx [],  
                     char *Rclass);  
53  SEXP csc_check_column_sorting(SEXP A);  SEXP csc_check_column_sorting(SEXP A);
 void csc_components_transpose(int m, int n, int nnz,  
                               const int xp[], const int xi[],  
                               const double xx[],  
                               int ap[], int ai[], double ax[]);  
 void ssc_symbolic_permute(int n, int upper, const int perm[],  
                           int Ap[], int Ai[]);  
 double *nlme_symmetrize(double *a, const int nc);  
 void nlme_check_Lapack_error(int info, const char *laName);  
 SEXP nlme_replaceSlot(SEXP obj, SEXP names, SEXP value);  
 SEXP nlme_weight_matrix_list(SEXP MLin, SEXP wts, SEXP adjst, SEXP MLout);  
54  SEXP Matrix_make_named(int TYP, char **names);  SEXP Matrix_make_named(int TYP, char **names);
55                                  /* stored pointers to symbols */  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);
56                                  /* initialized in R_init_Matrix */  double *packed_getDiag(double *dest, SEXP x);
57  extern  SEXP Matrix_getElement(SEXP list, char *nm);
58    
59    #define PACKED_TO_FULL(TYPE)                                            \
60    TYPE *packed_to_full_ ## TYPE(TYPE *dest, const TYPE *src,              \
61                                 int n, enum CBLAS_UPLO uplo)
62    PACKED_TO_FULL(double);
63    PACKED_TO_FULL(int);
64    #undef PACKED_TO_FULL
65    
66    #define FULL_TO_PACKED(TYPE)                                            \
67    TYPE *full_to_packed_ ## TYPE(TYPE *dest, const TYPE *src, int n,       \
68                                  enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag)
69    FULL_TO_PACKED(double);
70    FULL_TO_PACKED(int);
71    #undef FULL_TO_PACKED
72    
73    
74    extern   /* stored pointers to symbols initialized in R_init_Matrix */
75  #include "Syms.h"  #include "Syms.h"
76    
77  /* zero an array */  /* zero an array */
78  #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;}
79    
80    /* number of elements in one triangle of a square matrix of order n */
81    #define PACKED_LENGTH(n)   ((n) * ((n) + 1))/2
82    
83    /* duplicate the slot with name given by sym from src to dest */
84    #define slot_dup(dest, src, sym)  SET_SLOT(dest, sym, duplicate(GET_SLOT(src, sym)))
85    
86    #define uplo_P(_x_) CHAR(STRING_ELT(GET_SLOT(_x_, Matrix_uploSym), 0))
87    #define diag_P(_x_) CHAR(STRING_ELT(GET_SLOT(_x_, Matrix_diagSym), 0))
88    #define class_P(_x_) CHAR(asChar(getAttrib(_x_, R_ClassSymbol)))
89    
90    /**
91     * Check for valid length of a packed triangular array and return the
92     * corresponding number of columns
93     *
94     * @param len length of a packed triangular array
95     *
96     * @return number of columns
97     */
98    static R_INLINE
99    int packed_ncol(int len)
100    {
101        int disc = 8 * len + 1;     /* discriminant */
102        int sqrtd = (int) sqrt((double) disc);
103    
104        if (len < 0 || disc != sqrtd * sqrtd)
105            error(_("invalid 'len' = %d in packed_ncol"));
106        return (sqrtd - 1)/2;
107    }
108    
109  /**  /**
110   * Allocate an SEXP of given type and length, assign it as slot nm in   * Allocate an SEXP of given type and length, assign it as slot nm in
111   * the object, and return the SEXP.  The validity of this function   * the object, and return the SEXP.  The validity of this function
# Line 76  Line 131 
131  }  }
132    
133  /**  /**
134   * Expand the column pointers in the array mp into a full set of column indices   * Expand compressed pointers in the array mp into a full set of indices
135   * in the array mj.   * in the array mj.
136   *   *
137   * @param ncol number of columns   * @param ncol number of columns (or rows)
138   * @param mp column pointer vector of length ncol + 1   * @param mp column pointer vector of length ncol + 1
139   * @param mj vector of length mp[ncol] - 1 to hold the result   * @param mj vector of length mp[ncol] to hold the result
140   *   *
141   * @return mj   * @return mj
142   */   */
143  static R_INLINE  static R_INLINE
144  int* expand_column_pointers(int ncol, const int mp[], int mj[])  int* expand_cmprPt(int ncol, const int mp[], int mj[])
145  {  {
146      int j;      int j;
147      for (j = 0; j < ncol; j++) {      for (j = 0; j < ncol; j++) {
# Line 159  Line 214 
214  double *expand_csc_column(double *dest, int m, int j,  double *expand_csc_column(double *dest, int m, int j,
215                            const int Ap[], const int Ai[], const double Ax[]);                            const int Ap[], const int Ai[], const double Ax[]);
216    
 #endif  
   
   
217  /**  /**
218   * Apply a permutation to an integer vector   * Apply a permutation to an integer vector
219   *   *
# Line 195  Line 247 
247          }          }
248      }      }
249  }  }
250    
251    void make_d_matrix_triangular(double *x, SEXP from);
252    void make_i_matrix_triangular(   int *x, SEXP from);
253    
254    void make_d_matrix_symmetric(double *to, SEXP from);
255    void make_i_matrix_symmetric(   int *to, SEXP from);
256    
257    SEXP Matrix_expand_pointers(SEXP pP);
258    
259    
260    /**
261     * Elementwise increment dest by src
262     *
263     * @param dest vector to be incremented
264     * @param src vector to be added to dest
265     * @param n length of vectors
266     *
267     * @return dest
268     */
269    static R_INLINE double*
270    vecIncrement(double dest[], const double src[], int n) {
271        int i;
272        for (i = 0; i < n; i++) dest[i] += src[i];
273        return dest;
274    }
275    
276    /**
277     * Elementwise sum of src1 and src2 into dest
278     *
279     * @param dest vector to be incremented
280     * @param src1 vector to be added
281     * @param src1 second vector to be added
282     * @param n length of vectors
283     *
284     * @return dest
285     */
286    static R_INLINE double*
287    vecSum(double dest[], const double src1[], const double src2[],
288           int n) {
289        int i;
290        for (i = 0; i < n; i++) dest[i] = src1[i] + src2[i];
291        return dest;
292    }
293    
294    SEXP alloc_real_classed_matrix(char *class, int nrow, int ncol);
295    SEXP alloc_dgeMatrix(int m, int n, SEXP rownms, SEXP colnms);
296    SEXP alloc_dpoMatrix(int n, char *uplo, SEXP rownms, SEXP colnms);
297    SEXP alloc_dtrMatrix(int n, char *uplo, char *diag, SEXP rownms, SEXP colnms);
298    SEXP alloc_dsCMatrix(int n, int nz, char *uplo, SEXP rownms, SEXP colnms);
299    
300    SEXP dup_mMatrix_as_dgeMatrix(SEXP A);
301    
302    static R_INLINE SEXP
303    mMatrix_as_dgeMatrix(SEXP A)
304    {
305        return strcmp(class_P(A), "dgeMatrix") ? A : dup_mMatrix_as_dgeMatrix(A);
306    }
307    
308    /**
309     * Return the 0-based index of a string match in a vector of strings
310     * terminated by an empty string.  Returns -1 for no match.
311     *
312     * @param dest class string to match
313     * @param valid vector of possible matches terminated by an empty string
314     *
315     * @return index of match or -1 for no match
316     */
317    static R_INLINE int
318    Matrix_check_class(char *class, char **valid)
319    {
320        int ans;
321        for (ans = 0; ; ans++) {
322            if (!strlen(valid[ans])) return -1;
323            if (!strcmp(class, valid[ans])) return ans;
324        }
325    }
326    
327    #ifdef __cplusplus
328    }
329    #endif
330    
331    #endif /* MATRIX_MUTILS_H_ */

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