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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 572, Fri Feb 25 14:11:54 2005 UTC revision 890, Thu Sep 1 17:18:08 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 32  Line 51 
51                      const int Ti [], const int Tj [], const double Tx [],                      const int Ti [], const int Tj [], const double Tx [],
52                      char *Rclass);                      char *Rclass);
53  SEXP csc_check_column_sorting(SEXP A);  SEXP csc_check_column_sorting(SEXP A);
54  void csc_components_transpose(int m, int n, int nnz,  void csc_compTr(int m, int n, int nnz,
55                                const int xp[], const int xi[],                  const int xp[], const int xi[], const double xx[],
                               const double xx[],  
56                                int ap[], int ai[], double ax[]);                                int ap[], int ai[], double ax[]);
57  void ssc_symbolic_permute(int n, int upper, const int perm[],  void ssc_symbolic_permute(int n, int upper, const int perm[],
58                            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);  
59  SEXP Matrix_make_named(int TYP, char **names);  SEXP Matrix_make_named(int TYP, char **names);
60                                  /* stored pointers to symbols */  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);
61                                  /* initialized in R_init_Matrix */  double *packed_to_full(double *dest, const double *src, int n,
62  extern                         enum CBLAS_UPLO uplo);
63    double *full_to_packed(double *dest, const double *src, int n,
64                           enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag);
65    double *packed_getDiag(double *dest, SEXP x);
66    SEXP Matrix_getElement(SEXP list, char *nm);
67    
68    
69    extern   /* stored pointers to symbols initialized in R_init_Matrix */
70  #include "Syms.h"  #include "Syms.h"
71    
72  /* zero an array */  /* zero an array */
73  #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;}
74    
75    /* number of elements in one triangle of a square matrix of order n */
76    #define PACKED_LENGTH(n)   ((n) * ((n) + 1))/2
77    
78    /* duplicate the slot with name given by sym from src to dest */
79    #define slot_dup(dest, src, sym)  SET_SLOT(dest, sym, duplicate(GET_SLOT(src, sym)))
80    
81    /**
82     * Check for valid length of a packed triangular array and return the
83     * corresponding number of columns
84     *
85     * @param len length of a packed triangular array
86     *
87     * @return number of columns
88     */
89    static R_INLINE
90    int packed_ncol(int len)
91    {
92        int disc = 8 * len + 1;     /* discriminant */
93        int sqrtd = (int) sqrt((double) disc);
94    
95        if (len < 0 || disc != sqrtd * sqrtd)
96            error(_("invalid 'len' = %d in packed_ncol"));
97        return (sqrtd - 1)/2;
98    }
99    
100  /**  /**
101   * 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
102   * 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 122 
122  }  }
123    
124  /**  /**
125   * 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
126   * in the array mj.   * in the array mj.
127   *   *
128   * @param ncol number of columns   * @param ncol number of columns (or rows)
129   * @param mp column pointer vector of length ncol + 1   * @param mp column pointer vector of length ncol + 1
130   * @param mj vector of length mp[ncol] - 1 to hold the result   * @param mj vector of length mp[ncol] to hold the result
131   *   *
132   * @return mj   * @return mj
133   */   */
134  static R_INLINE  static R_INLINE
135  int* expand_column_pointers(int ncol, const int mp[], int mj[])  int* expand_cmprPt(int ncol, const int mp[], int mj[])
136  {  {
137      int j;      int j;
138      for (j = 0; j < ncol; j++) {      for (j = 0; j < ncol; j++) {
# Line 193  Line 239 
239      }      }
240  }  }
241    
242    void make_array_triangular(double *x, SEXP from);
243    
244    SEXP Matrix_expand_pointers(SEXP pP);
245    
246    
247    /**
248     * Elementwise increment dest by src
249     *
250     * @param dest vector to be incremented
251     * @param src vector to be added to dest
252     * @param n length of vectors
253     *
254     * @return dest
255     */
256    static R_INLINE double*
257    vecIncrement(double dest[], const double src[], int n) {
258        int i;
259        for (i = 0; i < n; i++) dest[i] += src[i];
260        return dest;
261    }
262    
263    /**
264     * Elementwise sum of src1 and src2 into dest
265     *
266     * @param dest vector to be incremented
267     * @param src1 vector to be added
268     * @param src1 second vector to be added
269     * @param n length of vectors
270     *
271     * @return dest
272     */
273    static R_INLINE double*
274    vecSum(double dest[], const double src1[], const double src2[],
275           int n) {
276        int i;
277        for (i = 0; i < n; i++) dest[i] = src1[i] + src2[i];
278        return dest;
279    }
280    
281    #ifdef __cplusplus
282    }
283  #endif  #endif
284    
285    #endif /* MATRIX_MUTILS_H_ */

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