The R Project SVN R-packages

Rev

Rev 4529 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 4529 Rev 4560
Line 54... Line 54...
54 
    SET_SLOT(U, Matrix_DimSym, duplicate(dd));
 54 
    SET_SLOT(U, Matrix_DimSym, duplicate(dd));
55 
    SET_SLOT(U, Matrix_uploSym, mkString("U"));
 55 
    SET_SLOT(U, Matrix_uploSym, mkString("U"));
56 
    SET_SLOT(U, Matrix_diagSym, mkString("N"));
 56 
    SET_SLOT(U, Matrix_diagSym, mkString("N"));
57 
    make_d_matrix_triangular(REAL(GET_SLOT(U, Matrix_xSym)), U);
 57 
    make_d_matrix_triangular(REAL(GET_SLOT(U, Matrix_xSym)), U);
58 
    SET_SLOT(P, Matrix_DimSym, duplicate(dd));
 58 
    SET_SLOT(P, Matrix_DimSym, duplicate(dd));
59 
    iperm = Calloc(n, int);
 59 
    iperm = Alloca(n, int);
- 
 
 60 
    R_CheckStack();
60 
    perm = INTEGER(ALLOC_SLOT(P, Matrix_permSym, INTSXP, n));
 61 
    perm = INTEGER(ALLOC_SLOT(P, Matrix_permSym, INTSXP, n));
61 
 
 62 
 
62 
    for (i = 0; i < n; i++) iperm[i] = i + 1; /* initialize permutation*/
 63 
    for (i = 0; i < n; i++) iperm[i] = i + 1; /* initialize permutation*/
63 
    for (i = 0; i < n; i++) {	/* generate inverse permutation */
 64 
    for (i = 0; i < n; i++) {	/* generate inverse permutation */
64 
	int newpos = pivot[i] - 1;
 65 
	int newpos = pivot[i] - 1;
Line 69... Line 70...
69 
	    iperm[newpos] = tmp;
 70 
	    iperm[newpos] = tmp;
70 
	}
 71 
	}
71 
    }
 72 
    }
72 
				/* invert the inverse */
 73 
				/* invert the inverse */
73 
    for (i = 0; i < n; i++) perm[iperm[i] - 1] = i + 1;
 74 
    for (i = 0; i < n; i++) perm[iperm[i] - 1] = i + 1;
74 
    Free(iperm);
 - 
 
75 
    UNPROTECT(1);
 75 
    UNPROTECT(1);
76 
    return val;
 76 
    return val;
77 
}
 77 
}