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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 565, Tue Feb 22 01:15:45 2005 UTC revision 951, Wed Sep 28 12:42:51 2005 UTC
# Line 1  Line 1 
1  #ifndef MATRIX_MUTILS_H  #ifndef MATRIX_MUTILS_H
2  #define MATRIX_MUTILS_H  #define MATRIX_MUTILS_H
3    
4    #ifdef __cplusplus
5    extern "C" {
6    #endif
7    
8  #include <Rdefines.h>  #include <Rdefines.h>
9  #include <Rconfig.h>  #include <Rconfig.h>
10  #include "cblas.h"  #include <R.h>  /* to include Rconfig.h */
11    
12    #ifdef ENABLE_NLS
13    #include <libintl.h>
14    #define _(String) dgettext ("Matrix", String)
15    #else
16    #define _(String) (String)
17    #endif
18    
19    SEXP triangularMatrix_validate(SEXP obj);
20    SEXP symmetricMatrix_validate(SEXP obj);
21    
22  /* short forms of some enum constants from cblas.h */  /* enum constants from cblas.h and some short forms */
23    enum CBLAS_ORDER {CblasRowMajor=101, CblasColMajor=102};
24    enum CBLAS_TRANSPOSE {CblasNoTrans=111, CblasTrans=112, CblasConjTrans=113};
25    enum CBLAS_UPLO {CblasUpper=121, CblasLower=122};
26    enum CBLAS_DIAG {CblasNonUnit=131, CblasUnit=132};
27    enum CBLAS_SIDE {CblasLeft=141, CblasRight=142};
28  #define RMJ CblasRowMajor  #define RMJ CblasRowMajor
29  #define CMJ CblasColMajor  #define CMJ CblasColMajor
30  #define NTR CblasNoTrans  #define NTR CblasNoTrans
# Line 26  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,
54                      const int Ti [], const int Tj [], const double Tx [],                      const int Ti [], const int Tj [], const double Tx [],
55                      char *Rclass);                      char *Rclass);
56  SEXP csc_check_column_sorting(SEXP A);  SEXP csc_check_column_sorting(SEXP A);
57  void csc_components_transpose(int m, int n, int nnz,  void csc_compTr(int m, int n, int nnz,
58                                const int xp[], const int xi[],                  const int xp[], const int xi[], const double xx[],
                               const double xx[],  
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    #define uplo_P(_x_) CHAR(STRING_ELT(GET_SLOT(_x_, Matrix_uploSym), 0))
85    #define diag_P(_x_) CHAR(STRING_ELT(GET_SLOT(_x_, Matrix_diagSym), 0))
86    
87    
88    /**
89     * Check for valid length of a packed triangular array and return the
90     * corresponding number of columns
91     *
92     * @param len length of a packed triangular array
93     *
94     * @return number of columns
95     */
96    static R_INLINE
97    int packed_ncol(int len)
98    {
99        int disc = 8 * len + 1;     /* discriminant */
100        int sqrtd = (int) sqrt((double) disc);
101    
102        if (len < 0 || disc != sqrtd * sqrtd)
103            error(_("invalid 'len' = %d in packed_ncol"));
104        return (sqrtd - 1)/2;
105    }
106    
107  /**  /**
108   * 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
109   * the object, and return the SEXP.  The validity of this function   * the object, and return the SEXP.  The validity of this function
# Line 76  Line 129 
129  }  }
130    
131  /**  /**
132   * 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
133   * in the array mj.   * in the array mj.
134   *   *
135   * @param ncol number of columns   * @param ncol number of columns (or rows)
136   * @param mp column pointer vector of length ncol + 1   * @param mp column pointer vector of length ncol + 1
137   * @param mj vector of length mp[ncol] - 1 to hold the result   * @param mj vector of length mp[ncol] to hold the result
138   *   *
139   * @return mj   * @return mj
140   */   */
141  static R_INLINE  static R_INLINE
142  int* expand_column_pointers(int ncol, const int mp[], int mj[])  int* expand_cmprPt(int ncol, const int mp[], int mj[])
143  {  {
144      int j;      int j;
145      for (j = 0; j < ncol; j++) {      for (j = 0; j < ncol; j++) {
# Line 159  Line 212 
212  double *expand_csc_column(double *dest, int m, int j,  double *expand_csc_column(double *dest, int m, int j,
213                            const int Ap[], const int Ai[], const double Ax[]);                            const int Ap[], const int Ai[], const double Ax[]);
214    
 #endif  
   
   
215  /**  /**
216   * Apply a permutation to an integer vector   * Apply a permutation to an integer vector
217   *   *
# Line 195  Line 245 
245          }          }
246      }      }
247  }  }
248    
249    void make_array_triangular(double *x, SEXP from);
250    
251    SEXP Matrix_expand_pointers(SEXP pP);
252    
253    
254    /**
255     * Elementwise increment dest by src
256     *
257     * @param dest vector to be incremented
258     * @param src vector to be added to dest
259     * @param n length of vectors
260     *
261     * @return dest
262     */
263    static R_INLINE double*
264    vecIncrement(double dest[], const double src[], int n) {
265        int i;
266        for (i = 0; i < n; i++) dest[i] += src[i];
267        return dest;
268    }
269    
270    /**
271     * Elementwise sum of src1 and src2 into dest
272     *
273     * @param dest vector to be incremented
274     * @param src1 vector to be added
275     * @param src1 second vector to be added
276     * @param n length of vectors
277     *
278     * @return dest
279     */
280    static R_INLINE double*
281    vecSum(double dest[], const double src1[], const double src2[],
282           int n) {
283        int i;
284        for (i = 0; i < n; i++) dest[i] = src1[i] + src2[i];
285        return dest;
286    }
287    
288    #ifdef __cplusplus
289    }
290    #endif
291    
292    #endif /* MATRIX_MUTILS_H_ */

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