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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 1200, Mon Jan 23 16:01:20 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 53  Line 60 
60                  int ap[], int ai[], double ax[]);                  int ap[], int ai[], double ax[]);
61  void ssc_symbolic_permute(int n, int upper, const int perm[],  void ssc_symbolic_permute(int n, int upper, const int perm[],
62                            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);  
63  SEXP Matrix_make_named(int TYP, char **names);  SEXP Matrix_make_named(int TYP, char **names);
64                                  /* stored pointers to symbols */  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);
65                                  /* initialized in R_init_Matrix */  double *packed_getDiag(double *dest, SEXP x);
66  extern  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 */
84  #include "Syms.h"  #include "Syms.h"
85    
86  /* zero an array */  /* zero an array */
87  #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;}
88    
89    /* number of elements in one triangle of a square matrix of order n */
90    #define PACKED_LENGTH(n)   ((n) * ((n) + 1))/2
91    
92    /* 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)))
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
101     * corresponding number of columns
102     *
103     * @param len length of a packed triangular array
104     *
105     * @return number of columns
106     */
107    static R_INLINE
108    int packed_ncol(int len)
109    {
110        int disc = 8 * len + 1;     /* discriminant */
111        int sqrtd = (int) sqrt((double) disc);
112    
113        if (len < 0 || disc != sqrtd * sqrtd)
114            error(_("invalid 'len' = %d in packed_ncol"));
115        return (sqrtd - 1)/2;
116    }
117    
118  /**  /**
119   * 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
120   * 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 140 
140  }  }
141    
142  /**  /**
143   * 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
144   * in the array mj.   * in the array mj.
145   *   *
146   * @param ncol number of columns   * @param ncol number of columns (or rows)
147   * @param mp column pointer vector of length ncol + 1   * @param mp column pointer vector of length ncol + 1
148   * @param mj vector of length mp[ncol] - 1 to hold the result   * @param mj vector of length mp[ncol] to hold the result
149   *   *
150   * @return mj   * @return mj
151   */   */
152  static R_INLINE  static R_INLINE
153  int* expand_column_pointers(int ncol, const int mp[], int mj[])  int* expand_cmprPt(int ncol, const int mp[], int mj[])
154  {  {
155      int j;      int j;
156      for (j = 0; j < ncol; j++) {      for (j = 0; j < ncol; j++) {
# Line 208  Line 257 
257      }      }
258  }  }
259    
260  void make_array_triangular(double *x, SEXP from);  void make_d_matrix_triangular(double *x, SEXP from);
261    void make_i_matrix_triangular(   int *x, SEXP from);
262    
263    void make_d_matrix_symmetric(double *to, SEXP from);
264    void make_i_matrix_symmetric(   int *to, SEXP from);
265    
266    SEXP Matrix_expand_pointers(SEXP pP);
267    
268    
269    /**
270     * Elementwise increment dest by src
271     *
272     * @param dest vector to be incremented
273     * @param src vector to be added to dest
274     * @param n length of vectors
275     *
276     * @return dest
277     */
278    static R_INLINE double*
279    vecIncrement(double dest[], const double src[], int n) {
280        int i;
281        for (i = 0; i < n; i++) dest[i] += src[i];
282        return dest;
283    }
284    
285    /**
286     * Elementwise sum of src1 and src2 into dest
287     *
288     * @param dest vector to be incremented
289     * @param src1 vector to be added
290     * @param src1 second vector to be added
291     * @param n length of vectors
292     *
293     * @return dest
294     */
295    static R_INLINE double*
296    vecSum(double dest[], const double src1[], const double src2[],
297           int n) {
298        int i;
299        for (i = 0; i < n; i++) dest[i] = src1[i] + src2[i];
300        return dest;
301    }
302    
303    SEXP alloc_real_classed_matrix(char *class, int nrow, int ncol);
304    SEXP alloc_dgeMatrix(int m, int n, SEXP rownms, SEXP colnms);
305    SEXP alloc_dpoMatrix(int n, char *uplo, SEXP rownms, SEXP colnms);
306    SEXP alloc_dtrMatrix(int n, char *uplo, char *diag, SEXP rownms, SEXP colnms);
307    SEXP alloc_dsCMatrix(int n, int nz, char *uplo, SEXP rownms, SEXP colnms);
308    
309  #ifdef __cplusplus  #ifdef __cplusplus
310  }  }

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