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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 2121, Tue Mar 4 22:01:33 2008 UTC revision 2354, Mon Mar 30 15:31:23 2009 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    #define Matrix_with_SPQR
5    
6  #ifdef __cplusplus  #ifdef __cplusplus
7  extern "C" {  extern "C" {
8  #endif  #endif
# Line 20  Line 22 
22  #ifdef __GNUC__  #ifdef __GNUC__
23  # undef alloca  # undef alloca
24  # define alloca(x) __builtin_alloca((x))  # define alloca(x) __builtin_alloca((x))
25  #else  #elif defined(__sun) || defined(_AIX)
26  /* this is necessary (and sufficient) for Solaris 10: */  /* this is necessary (and sufficient) for Solaris 10 and AIX 6: */
 #ifdef __sun  
27  # include <alloca.h>  # include <alloca.h>
28  #endif  #endif
 #endif  
29    
30  #define Alloca(n, t)   (t *) alloca( (size_t) ( (n) * sizeof(t) ) )  #define Alloca(n, t)   (t *) alloca( (size_t) ( (n) * sizeof(t) ) )
31    
# Line 69  Line 69 
69  /* int csc_unsorted_columns(int ncol, const int p[], const int i[]); */  /* int csc_unsorted_columns(int ncol, const int p[], const int i[]); */
70  /* 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[]); */
71  /* SEXP csc_check_column_sorting(SEXP A); */  /* SEXP csc_check_column_sorting(SEXP A); */
72  SEXP Matrix_make_named(int TYP, char **names);  SEXP Matrix_make_named(int TYP, const char **names);
73  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);
74  Rboolean equal_string_vectors(SEXP s1, SEXP s2);  Rboolean equal_string_vectors(SEXP s1, SEXP s2);
75    
# Line 204  Line 204 
204      return mj;      return mj;
205  }  }
206    
207    /**
208     * Check if slot(obj, "x") contains any NA (or NaN).
209     *
210     * @param obj   a 'Matrix' object with an 'x' slot.
211     *
212     * @return Rboolean :== any(is.na(slot(obj, "x") )
213     */
214    static R_INLINE
215    Rboolean any_NA(SEXP obj)
216    {
217        double *x = REAL(GET_SLOT(obj, Matrix_xSym));
218        int i, n = LENGTH(GET_SLOT(obj, Matrix_xSym));
219        for(i=0; i < n; i++)
220            if(ISNAN(x[i])) return TRUE;
221        /* else */
222        return FALSE;
223    }
224    
225    
226  void make_d_matrix_triangular(double *x, SEXP from);  void make_d_matrix_triangular(double *x, SEXP from);
227  void make_i_matrix_triangular(   int *x, SEXP from);  void make_i_matrix_triangular(   int *x, SEXP from);
228    
# Line 216  Line 235 
235  SEXP dup_mMatrix_as_geMatrix (SEXP A);  SEXP dup_mMatrix_as_geMatrix (SEXP A);
236    
237  SEXP new_dgeMatrix(int nrow, int ncol);  SEXP new_dgeMatrix(int nrow, int ncol);
238    SEXP m_encodeInd (SEXP ij, SEXP di);
239    SEXP m_encodeInd2(SEXP i, SEXP j, SEXP di);
240    
241    
242  static R_INLINE SEXP  static R_INLINE SEXP
243  mMatrix_as_dgeMatrix(SEXP A)  mMatrix_as_dgeMatrix(SEXP A)
# Line 248  Line 270 
270      }      }
271  }  }
272    
273    /**
274     * Return the 0-based index of an is() match in a vector of class-name
275     * strings terminated by an empty string.  Returns -1 for no match.
276     *
277     * @param x  an R object, about which we want is(x, .) information.
278     * @param valid vector of possible matches terminated by an empty string.
279     * @param rho  the environment in which the class definitions exist.
280     *
281     * @return index of match or -1 for no match
282     */
283    static R_INLINE int
284    Matrix_check_class_and_super(SEXP x, char **valid, SEXP rho)
285    {
286        int ans;
287        SEXP cl = getAttrib(x, R_ClassSymbol);
288        char *class = strdup(CHAR(asChar(cl)));
289        for (ans = 0; ; ans++) {
290            if (!strlen(valid[ans]))
291                break;
292            if (!strcmp(class, valid[ans])) return ans;
293        }
294        /* if not found directly, now search the non-virtual super classes :*/
295        if(IS_S4_OBJECT(x)) {
296            /* now try the superclasses, i.e.,  try   is(x, "....") : */
297            SEXP classExts = GET_SLOT(eval(lang2(install("getClassDef"), cl), rho),
298                                      install("contains")),
299                superCl = eval(lang3(install(".selectSuperClasses"),
300                                     classExts,
301                                     /* dropVirtual = */ ScalarLogical(1)),
302                               rho);
303            int i;
304            const char *s_class;
305            for(i=0; i < length(superCl); i++) {
306                s_class = CHAR(STRING_ELT(superCl, i));
307                for (ans = 0; ; ans++) {
308                    if (!strlen(valid[ans]))
309                        break;
310                    if (!strcmp(s_class, valid[ans])) return ans;
311                }
312            }
313        }
314        return -1;
315    }
316    
317    /**
318     * Return the 0-based index of an is() match in a vector of class-name
319     * strings terminated by an empty string.  Returns -1 for no match.
320     *
321     * @param x  an R object, about which we want is(x, .) information.
322     * @param valid vector of possible matches terminated by an empty string.
323     *
324     * @return index of match or -1 for no match
325     */
326    static R_INLINE int
327    Matrix_check_class_etc(SEXP x, char **valid)
328    {
329        SEXP cl = getAttrib(x, R_ClassSymbol),
330            pkg = getAttrib(cl, install("package")), /* ==R== packageSlot(class(x)) */
331            rho = (isNull(pkg) ? R_GlobalEnv
332                   : eval(lang2(install(".M.classEnv"), cl), R_GlobalEnv));
333        return Matrix_check_class_and_super(x, valid, rho);
334    }
335    
336    
337  #ifdef __cplusplus  #ifdef __cplusplus
338  }  }
339  #endif  #endif

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