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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 10, Mon Mar 22 20:20:05 2004 UTC revision 1548, Mon Sep 11 22:13:07 2006 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  #include <Rdefines.h>  #ifdef __cplusplus
5    extern "C" {
6    #endif
7    
8    #include <Rdefines.h> /* Rinternals.h + GET_SLOT etc */
9    #include <R.h>  /* includes Rconfig.h */
10    
11    #ifdef ENABLE_NLS
12    #include <libintl.h>
13    #define _(String) dgettext ("Matrix", String)
14    #else
15    #define _(String) (String)
16    #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 */
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
29    #define CMJ CblasColMajor
30    #define NTR CblasNoTrans
31    #define TRN CblasTrans
32    #define CTR CblasConjTrans
33    #define UPP CblasUpper
34    #define LOW CblasLower
35    #define NUN CblasNonUnit
36    #define UNT CblasUnit
37    #define LFT CblasLeft
38    #define RGT CblasRight
39    
40  char norm_type(char *typstr);  char norm_type(char *typstr);
41  char rcond_type(char *typstr);  char rcond_type(char *typstr);
42  double get_double_by_name(SEXP obj, char *nm);  double get_double_by_name(SEXP obj, char *nm);
43  SEXP set_double_by_name(SEXP obj, double val, char *nm);  SEXP set_double_by_name(SEXP obj, double val, char *nm);
44  SEXP as_det_obj(double val, int log, int sign);  SEXP as_det_obj(double val, int log, int sign);
45  SEXP get_factorization(SEXP obj, char *nm);  SEXP get_factors(SEXP obj, char *nm);
46  SEXP set_factorization(SEXP obj, SEXP val, char *nm);  SEXP set_factors(SEXP obj, SEXP val, char *nm);
47  SEXP cscMatrix_set_Dim(SEXP x, int nrow);  SEXP dgCMatrix_set_Dim(SEXP x, int nrow);
48    
49  int csc_unsorted_columns(int ncol, const int p[], const int i[]);  int csc_unsorted_columns(int ncol, const int p[], const int i[]);
50  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);  
51  SEXP csc_check_column_sorting(SEXP A);  SEXP csc_check_column_sorting(SEXP A);
52  void csc_components_transpose(int m, int n, int nnz,  SEXP Matrix_make_named(int TYP, char **names);
53                                const int xp[], const int xi[],  SEXP check_scalar_string(SEXP sP, char *vals, char *nm);
54                                const double xx[],  double *packed_getDiag(double *dest, SEXP x);
55                                int ap[], int ai[], double ax[]);  SEXP Matrix_getElement(SEXP list, char *nm);
56  void triplet_to_col(int nrow, int ncol, int nz,  
57                      const int Ti [], const int Tj [], const double Tx [],  #define PACKED_TO_FULL(TYPE)                                            \
58                      int Ap [], int Ai [], double Ax []);  TYPE *packed_to_full_ ## TYPE(TYPE *dest, const TYPE *src,              \
59  void ssc_symbolic_permute(int n, int upper, const int perm[],                               int n, enum CBLAS_UPLO uplo)
60                            int Ap[], int Ai[]);  PACKED_TO_FULL(double);
61  double *nlme_symmetrize(double *a, const int nc);  PACKED_TO_FULL(int);
62  void nlme_check_Lapack_error(int info, const char *laName);  #undef PACKED_TO_FULL
63  double *  
64  LMEgradient(const double* factor, const double* A, const int nlev,  #define FULL_TO_PACKED(TYPE)                                            \
65              const int nc, const double* pdgradient, const int plen,  TYPE *full_to_packed_ ## TYPE(TYPE *dest, const TYPE *src, int n,       \
66              double* value);                                enum CBLAS_UPLO uplo, enum CBLAS_DIAG diag)
67    FULL_TO_PACKED(double);
68                                  /* stored pointers to symbols */  FULL_TO_PACKED(int);
69                                  /* initialized in Matrix_init */  #undef FULL_TO_PACKED
70  extern SEXP  
71      Matrix_DSym,  
72      Matrix_DIsqrtSym,  extern   /* stored pointers to symbols initialized in R_init_Matrix */
73      Matrix_DimSym,  #include "Syms.h"
74      Matrix_GpSym,  
75      Matrix_LIiSym,  /* zero an array */
76      Matrix_LIpSym,  #define AZERO(x, n) {int _I_, _SZ_ = (n); for(_I_ = 0; _I_ < _SZ_; _I_++) (x)[_I_] = 0;}
77      Matrix_LIxSym,  
78      Matrix_LiSym,  /* number of elements in one triangle of a square matrix of order n */
79      Matrix_LpSym,  #define PACKED_LENGTH(n)   ((n) * ((n) + 1))/2
80      Matrix_LxSym,  
81      Matrix_OmegaSym,  /* duplicate the slot with name given by sym from src to dest */
82      Matrix_ParentSym,  #define slot_dup(dest, src, sym)  SET_SLOT(dest, sym, duplicate(GET_SLOT(src, sym)))
83      Matrix_RXXSym,  
84      Matrix_RZXSym,  #define uplo_P(_x_) CHAR(STRING_ELT(GET_SLOT(_x_, Matrix_uploSym), 0))
85      Matrix_XtXSym,  #define diag_P(_x_) CHAR(STRING_ELT(GET_SLOT(_x_, Matrix_diagSym), 0))
86      Matrix_ZtXSym,  #define class_P(_x_) CHAR(asChar(getAttrib(_x_, R_ClassSymbol)))
87      Matrix_bVarSym,  
88      Matrix_devianceSym,  #define Real_kind(_x_)  (isReal(GET_SLOT(_x_, Matrix_xSym)) ? 0 :       \
89      Matrix_devCompSym,                           (isLogical(GET_SLOT(_x_, Matrix_xSym)) ? 1 :   \
90      Matrix_diagSym,                            -1))
91      Matrix_iSym,  
92      Matrix_ipermSym,  
93      Matrix_jSym,  /**
94      Matrix_matSym,   * Check for valid length of a packed triangular array and return the
95      Matrix_ncSym,   * corresponding number of columns
96      Matrix_pSym,   *
97      Matrix_permSym,   * @param len length of a packed triangular array
98      Matrix_statusSym,   *
99      Matrix_uploSym,   * @return number of columns
100      Matrix_xSym,   */
101      Matrix_zSym;  static R_INLINE
102    int packed_ncol(int len)
103    {
104        int disc = 8 * len + 1;     /* discriminant */
105        int sqrtd = (int) sqrt((double) disc);
106    
107        if (len < 0 || disc != sqrtd * sqrtd)
108            error(_("invalid 'len' = %d in packed_ncol"));
109        return (sqrtd - 1)/2;
110    }
111    
112    /**
113     * Allocate an SEXP of given type and length, assign it as slot nm in
114     * the object, and return the SEXP.  The validity of this function
115     * depends on SET_SLOT not duplicating val when NAMED(val) == 0.  If
116     * this behavior changes then ALLOC_SLOT must use SET_SLOT followed by
117     * GET_SLOT to ensure that the value returned is indeed the SEXP in
118     * the slot.
119     *
120     * @param obj object in which to assign the slot
121     * @param nm name of the slot, as an R name object
122     * @param type type of SEXP to allocate
123     * @param length length of SEXP to allocate
124     *
125     * @return SEXP of given type and length assigned as slot nm in obj
126     */
127    static R_INLINE
128    SEXP ALLOC_SLOT(SEXP obj, SEXP nm, SEXPTYPE type, int length)
129    {
130        SEXP val = allocVector(type, length);
131    
132        SET_SLOT(obj, nm, val);
133        return val;
134    }
135    
136    /**
137     * Expand compressed pointers in the array mp into a full set of indices
138     * in the array mj.
139     *
140     * @param ncol number of columns (or rows)
141     * @param mp column pointer vector of length ncol + 1
142     * @param mj vector of length mp[ncol] to hold the result
143     *
144     * @return mj
145     */
146    static R_INLINE
147    int* expand_cmprPt(int ncol, const int mp[], int mj[])
148    {
149        int j;
150        for (j = 0; j < ncol; j++) {
151            int j2 = mp[j+1], jj;
152            for (jj = mp[j]; jj < j2; jj++) mj[jj] = j;
153        }
154        return mj;
155    }
156    
157    void make_d_matrix_triangular(double *x, SEXP from);
158    void make_i_matrix_triangular(   int *x, SEXP from);
159    
160    void make_d_matrix_symmetric(double *to, SEXP from);
161    void make_i_matrix_symmetric(   int *to, SEXP from);
162    
163    SEXP Matrix_expand_pointers(SEXP pP);
164    
165    SEXP dup_mMatrix_as_dgeMatrix(SEXP A);
166    
167    static R_INLINE SEXP
168    mMatrix_as_dgeMatrix(SEXP A)
169    {
170        return strcmp(class_P(A), "dgeMatrix") ? dup_mMatrix_as_dgeMatrix(A) : A;
171    }
172    
173    /**
174     * Return the 0-based index of a string match in a vector of strings
175     * terminated by an empty string.  Returns -1 for no match.
176     *
177     * @param dest class string to match
178     * @param valid vector of possible matches terminated by an empty string
179     *
180     * @return index of match or -1 for no match
181     */
182    static R_INLINE int
183    Matrix_check_class(char *class, char **valid)
184    {
185        int ans;
186        for (ans = 0; ; ans++) {
187            if (!strlen(valid[ans])) return -1;
188            if (!strcmp(class, valid[ans])) return ans;
189        }
190    }
191    
192    #ifdef __cplusplus
193    }
194  #endif  #endif
195    
196    #endif /* MATRIX_MUTILS_H_ */

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