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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 766, Tue Jun 7 23:03:34 2005 UTC revision 1164, Sat Jan 14 23:40:42 2006 UTC
# Line 16  Line 16 
16  #define _(String) (String)  #define _(String) (String)
17  #endif  #endif
18    
19    SEXP triangularMatrix_validate(SEXP obj);
20    SEXP symmetricMatrix_validate(SEXP obj);
21    SEXP dense_nonpacked_validate(SEXP obj);
22    
23  /* enum constants from cblas.h and some short forms */  /* enum constants from cblas.h and some short forms */
24  enum CBLAS_ORDER {CblasRowMajor=101, CblasColMajor=102};  enum CBLAS_ORDER {CblasRowMajor=101, CblasColMajor=102};
25  enum CBLAS_TRANSPOSE {CblasNoTrans=111, CblasTrans=112, CblasConjTrans=113};  enum CBLAS_TRANSPOSE {CblasNoTrans=111, CblasTrans=112, CblasConjTrans=113};
# Line 42  Line 46 
46  SEXP get_factors(SEXP obj, char *nm);  SEXP get_factors(SEXP obj, char *nm);
47  SEXP set_factors(SEXP obj, SEXP val, char *nm);  SEXP set_factors(SEXP obj, SEXP val, char *nm);
48  SEXP dgCMatrix_set_Dim(SEXP x, int nrow);  SEXP dgCMatrix_set_Dim(SEXP x, int nrow);
49    char uplo_value(SEXP x);
50    char diag_value(SEXP x);
51    
52  int csc_unsorted_columns(int ncol, const int p[], const int i[]);  int csc_unsorted_columns(int ncol, const int p[], const int i[]);
53  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[]);
54  SEXP triple_as_SEXP(int nrow, int ncol, int nz,  SEXP triple_as_SEXP(int nrow, int ncol, int nz,
# Line 55  Line 62 
62                            int Ap[], int Ai[]);                            int Ap[], int Ai[]);
63  SEXP Matrix_make_named(int TYP, char **names);  SEXP Matrix_make_named(int TYP, char **names);
64  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);
 double *packed_to_full(double *dest, const double *src, int n,  
                        enum CBLAS_UPLO uplo);  
 double *full_to_packed(double *dest, const double *src, int n,  
                        enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag);  
65  double *packed_getDiag(double *dest, SEXP x);  double *packed_getDiag(double *dest, SEXP x);
66    SEXP Matrix_getElement(SEXP list, char *nm);
67    
68    #define PACKED_TO_FULL(TYPE)                                            \
69    TYPE *packed_to_full_ ## TYPE(TYPE *dest, const TYPE *src,              \
70                                 int n, enum CBLAS_UPLO uplo)
71    PACKED_TO_FULL(double);
72    PACKED_TO_FULL(int);
73    #undef PACKED_TO_FULL
74    
75    #define FULL_TO_PACKED(TYPE)                                            \
76    TYPE *full_to_packed_ ## TYPE(TYPE *dest, const TYPE *src, int n,       \
77                                  enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag)
78    FULL_TO_PACKED(double);
79    FULL_TO_PACKED(int);
80    #undef FULL_TO_PACKED
81    
82    
83  extern   /* stored pointers to symbols initialized in R_init_Matrix */  extern   /* stored pointers to symbols initialized in R_init_Matrix */
# Line 74  Line 92 
92  /* duplicate the slot with name given by sym from src to dest */  /* duplicate the slot with name given by sym from src to dest */
93  #define slot_dup(dest, src, sym)  SET_SLOT(dest, sym, duplicate(GET_SLOT(src, sym)))  #define slot_dup(dest, src, sym)  SET_SLOT(dest, sym, duplicate(GET_SLOT(src, sym)))
94    
95    #define uplo_P(_x_) CHAR(STRING_ELT(GET_SLOT(_x_, Matrix_uploSym), 0))
96    #define diag_P(_x_) CHAR(STRING_ELT(GET_SLOT(_x_, Matrix_diagSym), 0))
97    
98    
99  /**  /**
100   * Check for valid length of a packed triangular array and return the   * Check for valid length of a packed triangular array and return the
101   * corresponding number of columns   * corresponding number of columns
# Line 239  Line 261 
261    
262  SEXP Matrix_expand_pointers(SEXP pP);  SEXP Matrix_expand_pointers(SEXP pP);
263    
264    
265    /**
266     * Elementwise increment dest by src
267     *
268     * @param dest vector to be incremented
269     * @param src vector to be added to dest
270     * @param n length of vectors
271     *
272     * @return dest
273     */
274    static R_INLINE double*
275    vecIncrement(double dest[], const double src[], int n) {
276        int i;
277        for (i = 0; i < n; i++) dest[i] += src[i];
278        return dest;
279    }
280    
281    /**
282     * Elementwise sum of src1 and src2 into dest
283     *
284     * @param dest vector to be incremented
285     * @param src1 vector to be added
286     * @param src1 second vector to be added
287     * @param n length of vectors
288     *
289     * @return dest
290     */
291    static R_INLINE double*
292    vecSum(double dest[], const double src1[], const double src2[],
293           int n) {
294        int i;
295        for (i = 0; i < n; i++) dest[i] = src1[i] + src2[i];
296        return dest;
297    }
298    
299    SEXP alloc_real_classed_matrix(char *class, int nrow, int ncol);
300    SEXP alloc_dgeMatrix(int m, int n, SEXP rownms, SEXP colnms);
301    SEXP alloc_dpoMatrix(int n, char *uplo, SEXP rownms, SEXP colnms);
302    SEXP alloc_dtrMatrix(int n, char *uplo, char *diag, SEXP rownms, SEXP colnms);
303    SEXP alloc_dsCMatrix(int n, int nz, char *uplo, SEXP rownms, SEXP colnms);
304    
305  #ifdef __cplusplus  #ifdef __cplusplus
306  }  }
307  #endif  #endif

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