SCM

SCM Repository

[matrix] Diff of /pkg/src/Mutils.h
ViewVC logotype

Diff of /pkg/src/Mutils.h

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 766, Tue Jun 7 23:03:34 2005 UTC revision 890, Thu Sep 1 17:18:08 2005 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    
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 60  Line 63 
63  double *full_to_packed(double *dest, const double *src, int n,  double *full_to_packed(double *dest, const double *src, int n,
64                         enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag);                         enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag);
65  double *packed_getDiag(double *dest, SEXP x);  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 */  extern   /* stored pointers to symbols initialized in R_init_Matrix */
# Line 239  Line 243 
243    
244  SEXP Matrix_expand_pointers(SEXP pP);  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  #ifdef __cplusplus
282  }  }
283  #endif  #endif

Legend:
Removed from v.766  
changed lines
  Added in v.890

root@r-forge.r-project.org
ViewVC Help
Powered by ViewVC 1.0.0  
Thanks to:
Vienna University of Economics and Business Powered By FusionForge