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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 597, Thu Mar 3 19:58:59 2005 UTC revision 1507, Mon Sep 4 18:41:34 2006 UTC
# Line 5  Line 5 
5  extern "C" {  extern "C" {
6  #endif  #endif
7    
8  #include <Rdefines.h>  #include <Rdefines.h> /* Rinternals.h + GET_SLOT etc */
9  #include <Rconfig.h>  #include <R.h>  /* includes Rconfig.h */
 #include <R.h>  /* to include Rconfig.h */  
10    
11  #ifdef ENABLE_NLS  #ifdef ENABLE_NLS
12  #include <libintl.h>  #include <libintl.h>
# Line 16  Line 15 
15  #define _(String) (String)  #define _(String) (String)
16  #endif  #endif
17    
18    SEXP triangularMatrix_validate(SEXP obj);
19    SEXP symmetricMatrix_validate(SEXP obj);
20    SEXP dense_nonpacked_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[]);
 SEXP triple_as_SEXP(int nrow, int ncol, int nz,  
                     const int Ti [], const int Tj [], const double Tx [],  
                     char *Rclass);  
53  SEXP csc_check_column_sorting(SEXP A);  SEXP csc_check_column_sorting(SEXP A);
 void csc_compTr(int m, int n, int nnz,  
                 const int xp[], const int xi[], const double xx[],  
                 int ap[], int ai[], double ax[]);  
 void ssc_symbolic_permute(int n, int upper, const int perm[],  
                           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);  
54  SEXP Matrix_make_named(int TYP, char **names);  SEXP Matrix_make_named(int TYP, char **names);
55  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);
 double *packed_to_full(double *dest, const double *src, int n,  
                        enum CBLAS_UPLO uplo);  
 double *full_to_packed(double *dest, const double *src, int n,  
                        enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag);  
56  double *packed_getDiag(double *dest, SEXP x);  double *packed_getDiag(double *dest, SEXP x);
57    SEXP Matrix_getElement(SEXP list, char *nm);
58    
59    #define PACKED_TO_FULL(TYPE)                                            \
60    TYPE *packed_to_full_ ## TYPE(TYPE *dest, const TYPE *src,              \
61                                 int n, enum CBLAS_UPLO uplo)
62    PACKED_TO_FULL(double);
63    PACKED_TO_FULL(int);
64    #undef PACKED_TO_FULL
65    
66    #define FULL_TO_PACKED(TYPE)                                            \
67    TYPE *full_to_packed_ ## TYPE(TYPE *dest, const TYPE *src, int n,       \
68                                  enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag)
69    FULL_TO_PACKED(double);
70    FULL_TO_PACKED(int);
71    #undef FULL_TO_PACKED
72    
73    
74  extern   /* stored pointers to symbols initialized in R_init_Matrix */  extern   /* stored pointers to symbols initialized in R_init_Matrix */
75  #include "Syms.h"  #include "Syms.h"
# Line 74  Line 80 
80  /* number of elements in one triangle of a square matrix of order n */  /* number of elements in one triangle of a square matrix of order n */
81  #define PACKED_LENGTH(n)   ((n) * ((n) + 1))/2  #define PACKED_LENGTH(n)   ((n) * ((n) + 1))/2
82    
83    /* duplicate the slot with name given by sym from src to dest */
84    #define slot_dup(dest, src, sym)  SET_SLOT(dest, sym, duplicate(GET_SLOT(src, sym)))
85    
86    #define uplo_P(_x_) CHAR(STRING_ELT(GET_SLOT(_x_, Matrix_uploSym), 0))
87    #define diag_P(_x_) CHAR(STRING_ELT(GET_SLOT(_x_, Matrix_diagSym), 0))
88    #define class_P(_x_) CHAR(asChar(getAttrib(_x_, R_ClassSymbol)))
89    
90  /**  /**
91   * Check for valid length of a packed triangular array and return the   * Check for valid length of a packed triangular array and return the
92   * corresponding number of columns   * corresponding number of columns
# Line 118  Line 131 
131  }  }
132    
133  /**  /**
134   * 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
135   * in the array mj.   * in the array mj.
136   *   *
137   * @param ncol number of columns   * @param ncol number of columns (or rows)
138   * @param mp column pointer vector of length ncol + 1   * @param mp column pointer vector of length ncol + 1
139   * @param mj vector of length mp[ncol] - 1 to hold the result   * @param mj vector of length mp[ncol] to hold the result
140   *   *
141   * @return mj   * @return mj
142   */   */
143  static R_INLINE  static R_INLINE
144  int* expand_column_pointers(int ncol, const int mp[], int mj[])  int* expand_cmprPt(int ncol, const int mp[], int mj[])
145  {  {
146      int j;      int j;
147      for (j = 0; j < ncol; j++) {      for (j = 0; j < ncol; j++) {
# Line 166  Line 179 
179      return missing;      return missing;
180  }  }
181    
 SEXP alloc3Darray(SEXPTYPE mode, int nrow, int ncol, int nface);  
   
182  /**  /**
183   * Calculate the zero-based index in a row-wise packed lower triangular matrix.   * Calculate the zero-based index in a row-wise packed lower triangular matrix.
184   * This is used for the arrays of blocked sparse matrices.   * This is used for the arrays of blocked sparse matrices.
# Line 184  Line 195 
195      return (k * (k + 1))/2 + i;      return (k * (k + 1))/2 + i;
196  }  }
197    
 /**  
  * Check for a complete match on matrix dimensions  
  *  
  * @param xd dimensions of first matrix  
  * @param yd dimensions of second matrix  
  *  
  * @return 1 if dimensions match, otherwise 0  
  */  
 static R_INLINE  
 int match_mat_dims(const int xd[], const int yd[])  
 {  
     return xd[0] == yd[0] && xd[1] == yd[1];  
 }  
   
198  double *expand_csc_column(double *dest, int m, int j,  double *expand_csc_column(double *dest, int m, int j,
199                            const int Ap[], const int Ai[], const double Ax[]);                            const int Ap[], const int Ai[], const double Ax[]);
200    
# Line 235  Line 232 
232      }      }
233  }  }
234    
235  void make_array_triangular(double *x, SEXP from);  void make_d_matrix_triangular(double *x, SEXP from);
236    void make_i_matrix_triangular(   int *x, SEXP from);
237    
238    void make_d_matrix_symmetric(double *to, SEXP from);
239    void make_i_matrix_symmetric(   int *to, SEXP from);
240    
241    SEXP Matrix_expand_pointers(SEXP pP);
242    
243    
244    /**
245     * Elementwise increment dest by src
246     *
247     * @param dest vector to be incremented
248     * @param src vector to be added to dest
249     * @param n length of vectors
250     *
251     * @return dest
252     */
253    static R_INLINE double*
254    vecIncrement(double dest[], const double src[], int n) {
255        int i;
256        for (i = 0; i < n; i++) dest[i] += src[i];
257        return dest;
258    }
259    
260    /**
261     * Elementwise sum of src1 and src2 into dest
262     *
263     * @param dest vector to be incremented
264     * @param src1 vector to be added
265     * @param src1 second vector to be added
266     * @param n length of vectors
267     *
268     * @return dest
269     */
270    static R_INLINE double*
271    vecSum(double dest[], const double src1[], const double src2[],
272           int n) {
273        int i;
274        for (i = 0; i < n; i++) dest[i] = src1[i] + src2[i];
275        return dest;
276    }
277    
278    SEXP alloc_dgeMatrix(int m, int n, SEXP rownms, SEXP colnms);
279    SEXP alloc_dpoMatrix(int n, char *uplo, SEXP rownms, SEXP colnms);
280    SEXP alloc_dtrMatrix(int n, char *uplo, char *diag, SEXP rownms, SEXP colnms);
281    SEXP alloc_dsCMatrix(int n, int nz, char *uplo, SEXP rownms, SEXP colnms);
282    
283    SEXP dup_mMatrix_as_dgeMatrix(SEXP A);
284    
285    static R_INLINE SEXP
286    mMatrix_as_dgeMatrix(SEXP A)
287    {
288        return strcmp(class_P(A), "dgeMatrix") ? dup_mMatrix_as_dgeMatrix(A) : A;
289    }
290    
291    /**
292     * Return the 0-based index of a string match in a vector of strings
293     * terminated by an empty string.  Returns -1 for no match.
294     *
295     * @param dest class string to match
296     * @param valid vector of possible matches terminated by an empty string
297     *
298     * @return index of match or -1 for no match
299     */
300    static R_INLINE int
301    Matrix_check_class(char *class, char **valid)
302    {
303        int ans;
304        for (ans = 0; ; ans++) {
305            if (!strlen(valid[ans])) return -1;
306            if (!strcmp(class, valid[ans])) return ans;
307        }
308    }
309    
310  #ifdef __cplusplus  #ifdef __cplusplus
311  }  }

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