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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 592, Thu Mar 3 05:16:50 2005 UTC revision 963, Mon Oct 3 01:44:56 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  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);
64  double *packed_to_full(double *dest, const double *src, int n,  double *packed_getDiag(double *dest, SEXP x);
65                         enum CBLAS_UPLO uplo);  SEXP Matrix_getElement(SEXP list, char *nm);
66  double *full_to_packed(double *dest, const double *src, int n,  
67                         enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag);  #define PACKED_TO_FULL(TYPE)                                            \
68    TYPE *packed_to_full_ ## TYPE(TYPE *dest, const TYPE *src,              \
69                                 int n, enum CBLAS_UPLO uplo)
70    PACKED_TO_FULL(double);
71    PACKED_TO_FULL(int);
72    #undef PACKED_TO_FULL
73    
74    #define FULL_TO_PACKED(TYPE)                                            \
75    TYPE *full_to_packed_ ## TYPE(TYPE *dest, const TYPE *src, int n,       \
76                                  enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag)
77    FULL_TO_PACKED(double);
78    FULL_TO_PACKED(int);
79    #undef FULL_TO_PACKED
80    
81    
82  extern   /* stored pointers to symbols initialized in R_init_Matrix */  extern   /* stored pointers to symbols initialized in R_init_Matrix */
83  #include "Syms.h"  #include "Syms.h"
# Line 70  Line 85 
85  /* zero an array */  /* zero an array */
86  #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;}
87    
88    /* number of elements in one triangle of a square matrix of order n */
89    #define PACKED_LENGTH(n)   ((n) * ((n) + 1))/2
90    
91    /* duplicate the slot with name given by sym from src to dest */
92    #define slot_dup(dest, src, sym)  SET_SLOT(dest, sym, duplicate(GET_SLOT(src, sym)))
93    
94    #define uplo_P(_x_) CHAR(STRING_ELT(GET_SLOT(_x_, Matrix_uploSym), 0))
95    #define diag_P(_x_) CHAR(STRING_ELT(GET_SLOT(_x_, Matrix_diagSym), 0))
96    
97    
98    /**
99     * Check for valid length of a packed triangular array and return the
100     * corresponding number of columns
101     *
102     * @param len length of a packed triangular array
103     *
104     * @return number of columns
105     */
106    static R_INLINE
107    int packed_ncol(int len)
108    {
109        int disc = 8 * len + 1;     /* discriminant */
110        int sqrtd = (int) sqrt((double) disc);
111    
112        if (len < 0 || disc != sqrtd * sqrtd)
113            error(_("invalid 'len' = %d in packed_ncol"));
114        return (sqrtd - 1)/2;
115    }
116    
117  /**  /**
118   * 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
119   * the object, and return the SEXP.  The validity of this function   * the object, and return the SEXP.  The validity of this function
# Line 95  Line 139 
139  }  }
140    
141  /**  /**
142   * 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
143   * in the array mj.   * in the array mj.
144   *   *
145   * @param ncol number of columns   * @param ncol number of columns (or rows)
146   * @param mp column pointer vector of length ncol + 1   * @param mp column pointer vector of length ncol + 1
147   * @param mj vector of length mp[ncol] - 1 to hold the result   * @param mj vector of length mp[ncol] to hold the result
148   *   *
149   * @return mj   * @return mj
150   */   */
151  static R_INLINE  static R_INLINE
152  int* expand_column_pointers(int ncol, const int mp[], int mj[])  int* expand_cmprPt(int ncol, const int mp[], int mj[])
153  {  {
154      int j;      int j;
155      for (j = 0; j < ncol; j++) {      for (j = 0; j < ncol; j++) {
# Line 214  Line 258 
258    
259  void make_array_triangular(double *x, SEXP from);  void make_array_triangular(double *x, SEXP from);
260    
261    SEXP Matrix_expand_pointers(SEXP pP);
262    
263    
264    /**
265     * Elementwise increment dest by src
266     *
267     * @param dest vector to be incremented
268     * @param src vector to be added to dest
269     * @param n length of vectors
270     *
271     * @return dest
272     */
273    static R_INLINE double*
274    vecIncrement(double dest[], const double src[], int n) {
275        int i;
276        for (i = 0; i < n; i++) dest[i] += src[i];
277        return dest;
278    }
279    
280    /**
281     * Elementwise sum of src1 and src2 into dest
282     *
283     * @param dest vector to be incremented
284     * @param src1 vector to be added
285     * @param src1 second vector to be added
286     * @param n length of vectors
287     *
288     * @return dest
289     */
290    static R_INLINE double*
291    vecSum(double dest[], const double src1[], const double src2[],
292           int n) {
293        int i;
294        for (i = 0; i < n; i++) dest[i] = src1[i] + src2[i];
295        return dest;
296    }
297    
298    SEXP alloc_real_classed_matrix(char *class, int nrow, int ncol);
299    
300  #ifdef __cplusplus  #ifdef __cplusplus
301  }  }
302  #endif  #endif

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