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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 588, Wed Mar 2 18:19:51 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 53  Line 59 
59                  int ap[], int ai[], double ax[]);                  int ap[], int ai[], double ax[]);
60  void ssc_symbolic_permute(int n, int upper, const int perm[],  void ssc_symbolic_permute(int n, int upper, const int perm[],
61                            int Ap[], int Ai[]);                            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);  
62  SEXP Matrix_make_named(int TYP, char **names);  SEXP Matrix_make_named(int TYP, char **names);
63                                  /* stored pointers to symbols */  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);
64                                  /* initialized in R_init_Matrix */  double *packed_to_full(double *dest, const double *src, int n,
65  extern                         enum CBLAS_UPLO uplo);
66    double *full_to_packed(double *dest, const double *src, int n,
67                           enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag);
68    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 */
73  #include "Syms.h"  #include "Syms.h"
74    
75  /* zero an array */  /* zero an array */
76  #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;}
77    
78    /* number of elements in one triangle of a square matrix of order n */
79    #define PACKED_LENGTH(n)   ((n) * ((n) + 1))/2
80    
81    /* duplicate the slot with name given by sym from src to dest */
82    #define slot_dup(dest, src, sym)  SET_SLOT(dest, sym, duplicate(GET_SLOT(src, sym)))
83    
84    /**
85     * Check for valid length of a packed triangular array and return the
86     * corresponding number of columns
87     *
88     * @param len length of a packed triangular array
89     *
90     * @return number of columns
91     */
92    static R_INLINE
93    int packed_ncol(int len)
94    {
95        int disc = 8 * len + 1;     /* discriminant */
96        int sqrtd = (int) sqrt((double) disc);
97    
98        if (len < 0 || disc != sqrtd * sqrtd)
99            error(_("invalid 'len' = %d in packed_ncol"));
100        return (sqrtd - 1)/2;
101    }
102    
103  /**  /**
104   * 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
105   * the object, and return the SEXP.  The validity of this function   * the object, and return the SEXP.  The validity of this function
# Line 91  Line 125 
125  }  }
126    
127  /**  /**
128   * 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
129   * in the array mj.   * in the array mj.
130   *   *
131   * @param ncol number of columns   * @param ncol number of columns (or rows)
132   * @param mp column pointer vector of length ncol + 1   * @param mp column pointer vector of length ncol + 1
133   * @param mj vector of length mp[ncol] - 1 to hold the result   * @param mj vector of length mp[ncol] to hold the result
134   *   *
135   * @return mj   * @return mj
136   */   */
137  static R_INLINE  static R_INLINE
138  int* expand_column_pointers(int ncol, const int mp[], int mj[])  int* expand_cmprPt(int ncol, const int mp[], int mj[])
139  {  {
140      int j;      int j;
141      for (j = 0; j < ncol; j++) {      for (j = 0; j < ncol; j++) {
# Line 210  Line 244 
244    
245  void make_array_triangular(double *x, SEXP from);  void make_array_triangular(double *x, SEXP from);
246    
247    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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