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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 536, Thu Feb 10 08:15:12 2005 UTC revision 592, Thu Mar 3 05:16:50 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  /* short forms of some enum constants from cblas.h */  /* enum constants from cblas.h and some short forms */
20    enum CBLAS_ORDER {CblasRowMajor=101, CblasColMajor=102};
21    enum CBLAS_TRANSPOSE {CblasNoTrans=111, CblasTrans=112, CblasConjTrans=113};
22    enum CBLAS_UPLO {CblasUpper=121, CblasLower=122};
23    enum CBLAS_DIAG {CblasNonUnit=131, CblasUnit=132};
24    enum CBLAS_SIDE {CblasLeft=141, CblasRight=142};
25  #define RMJ CblasRowMajor  #define RMJ CblasRowMajor
26  #define CMJ CblasColMajor  #define CMJ CblasColMajor
27  #define NTR CblasNoTrans  #define NTR CblasNoTrans
# Line 32  Line 48 
48                      const int Ti [], const int Tj [], const double Tx [],                      const int Ti [], const int Tj [], const double Tx [],
49                      char *Rclass);                      char *Rclass);
50  SEXP csc_check_column_sorting(SEXP A);  SEXP csc_check_column_sorting(SEXP A);
51  void csc_components_transpose(int m, int n, int nnz,  void csc_compTr(int m, int n, int nnz,
52                                const int xp[], const int xi[],                  const int xp[], const int xi[], const double xx[],
                               const double xx[],  
53                                int ap[], int ai[], double ax[]);                                int ap[], int ai[], double ax[]);
54  void ssc_symbolic_permute(int n, int upper, const int perm[],  void ssc_symbolic_permute(int n, int upper, const int perm[],
55                            int Ap[], int Ai[]);                            int Ap[], int Ai[]);
# Line 43  Line 58 
58  SEXP nlme_replaceSlot(SEXP obj, SEXP names, SEXP value);  SEXP nlme_replaceSlot(SEXP obj, SEXP names, SEXP value);
59  SEXP nlme_weight_matrix_list(SEXP MLin, SEXP wts, SEXP adjst, SEXP MLout);  SEXP nlme_weight_matrix_list(SEXP MLin, SEXP wts, SEXP adjst, SEXP MLout);
60  SEXP Matrix_make_named(int TYP, char **names);  SEXP Matrix_make_named(int TYP, char **names);
61                                  /* stored pointers to symbols */  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);
62                                  /* initialized in R_init_Matrix */  double *packed_to_full(double *dest, const double *src, int n,
63  extern                         enum CBLAS_UPLO uplo);
64    double *full_to_packed(double *dest, const double *src, int n,
65                           enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag);
66    
67    extern   /* stored pointers to symbols initialized in R_init_Matrix */
68  #include "Syms.h"  #include "Syms.h"
69    
70  /* zero an array */  /* zero an array */
# Line 159  Line 178 
178  double *expand_csc_column(double *dest, int m, int j,  double *expand_csc_column(double *dest, int m, int j,
179                            const int Ap[], const int Ai[], const double Ax[]);                            const int Ap[], const int Ai[], const double Ax[]);
180    
181    /**
182     * Apply a permutation to an integer vector
183     *
184     * @param i vector of 0-based indices
185     * @param n length of vector i
186     * @param perm 0-based permutation vector of length max(i) + 1
187     */
188    static R_INLINE void
189    int_permute(int i[], int n, const int perm[])
190    {
191        int j;
192        for (j = 0; j < n; j++) i[j] = perm[i[j]];
193    }
194    
195    /**
196     * Force index pairs to be in the upper triangle of a matrix
197     *
198     * @param i vector of 0-based row indices
199     * @param j vector of 0-based column indices
200     * @param nnz length of index vectors
201     */
202    static R_INLINE void
203    make_upper_triangular(int i[], int j[], int nnz)
204    {
205        int k;
206        for (k = 0; k < nnz; k++) {
207            if (i[k] > j[k]) {
208                int tmp = i[k];
209                i[k] = j[k];
210                j[k] = tmp;
211            }
212        }
213    }
214    
215    void make_array_triangular(double *x, SEXP from);
216    
217    #ifdef __cplusplus
218    }
219  #endif  #endif
220    
221    #endif /* MATRIX_MUTILS_H_ */

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