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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 943, Wed Sep 28 08:52:22 2005 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    
22  /* enum constants from cblas.h and some short forms */  /* enum constants from cblas.h and some short forms */
23  enum CBLAS_ORDER {CblasRowMajor=101, CblasColMajor=102};  enum CBLAS_ORDER {CblasRowMajor=101, CblasColMajor=102};
24  enum CBLAS_TRANSPOSE {CblasNoTrans=111, CblasTrans=112, CblasConjTrans=113};  enum CBLAS_TRANSPOSE {CblasNoTrans=111, CblasTrans=112, CblasConjTrans=113};
# Line 42  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[]);
53  SEXP triple_as_SEXP(int nrow, int ncol, int nz,  SEXP triple_as_SEXP(int nrow, int ncol, int nz,
# Line 60  Line 66 
66  double *full_to_packed(double *dest, const double *src, int n,  double *full_to_packed(double *dest, const double *src, int n,
67                         enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag);                         enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag);
68  double *packed_getDiag(double *dest, SEXP x);  double *packed_getDiag(double *dest, SEXP x);
69    SEXP Matrix_getElement(SEXP list, char *nm);
70    
71    
72  extern   /* stored pointers to symbols initialized in R_init_Matrix */  extern   /* stored pointers to symbols initialized in R_init_Matrix */
# Line 239  Line 246 
246    
247  SEXP Matrix_expand_pointers(SEXP pP);  SEXP Matrix_expand_pointers(SEXP pP);
248    
249    
250    /**
251     * Elementwise increment dest by src
252     *
253     * @param dest vector to be incremented
254     * @param src vector to be added to dest
255     * @param n length of vectors
256     *
257     * @return dest
258     */
259    static R_INLINE double*
260    vecIncrement(double dest[], const double src[], int n) {
261        int i;
262        for (i = 0; i < n; i++) dest[i] += src[i];
263        return dest;
264    }
265    
266    /**
267     * Elementwise sum of src1 and src2 into dest
268     *
269     * @param dest vector to be incremented
270     * @param src1 vector to be added
271     * @param src1 second vector to be added
272     * @param n length of vectors
273     *
274     * @return dest
275     */
276    static R_INLINE double*
277    vecSum(double dest[], const double src1[], const double src2[],
278           int n) {
279        int i;
280        for (i = 0; i < n; i++) dest[i] = src1[i] + src2[i];
281        return dest;
282    }
283    
284  #ifdef __cplusplus  #ifdef __cplusplus
285  }  }
286  #endif  #endif

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