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Blame thirdparty/superlu/SuperLU_4.1/DOC/html/supermatrix_8h-source.html

Branch: feature08g_assistants

feature08b_assistants feature08f_assistants feature08g_assistants feature08h_assistants feature08j_assistants feature08k_assistants improve_tool_selection master

1.   feature08g_assistants
2.   thirdparty
3.   superlu
4.   SuperLU_4.1
5.   DOC
6.   html
7.   supermatrix_8h-source.html

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	kusano	7d535a
	kusano	7d535a	<meta content="text/html;charset=UTF-8" http-equiv="Content-Type">
	kusano	7d535a	<title>SuperLU: SRC/supermatrix.h Source File</title>
	kusano	7d535a	<link href="doxygen.css" rel="stylesheet" type="text/css">
	kusano	7d535a	<link href="tabs.css" rel="stylesheet" type="text/css">
	kusano	7d535a
	kusano	7d535a
	kusano	7d535a
	kusano	7d535a
	kusano	7d535a
	kusano	7d535a	Main Page
	kusano	7d535a	Data Structures
	kusano	7d535a	Files
	kusano	7d535a
	kusano	7d535a
	kusano	7d535a	SRC/supermatrix.h Go to the documentation of this file.
	kusano	7d535a	00004 #ifndef __SUPERLU_SUPERMATRIX /* allow multiple inclusions */
	kusano	7d535a	00005 #define __SUPERLU_SUPERMATRIX
	kusano	7d535a	00006
	kusano	7d535a	00007
	kusano	7d535a	00008 /********************************************
	kusano	7d535a	00009 * The matrix types are defined as follows. *
	kusano	7d535a	00010 ********************************************/
	kusano	7d535a	00011 typedef enum {
	kusano	7d535a	00012 SLU_NC, /* column-wise, no supernode */
	kusano	7d535a	00013 SLU_NCP, /* column-wise, column-permuted, no supernode
	kusano	7d535a	00014 (The consecutive columns of nonzeros, after permutation,
	kusano	7d535a	00015 may not be stored contiguously.) */
	kusano	7d535a	00016 SLU_NR, /* row-wize, no supernode */
	kusano	7d535a	00017 SLU_SC, /* column-wise, supernode */
	kusano	7d535a	00018 SLU_SCP, /* supernode, column-wise, permuted */
	kusano	7d535a	00019 SLU_SR, /* row-wise, supernode */
	kusano	7d535a	00020 SLU_DN, /* Fortran style column-wise storage for dense matrix */
	kusano	7d535a	00021 SLU_NR_loc /* distributed compressed row format */
	kusano	7d535a	00022 } Stype_t;
	kusano	7d535a	00023
	kusano	7d535a	00024 typedef enum {
	kusano	7d535a	00025 SLU_S, /* single */
	kusano	7d535a	00026 SLU_D, /* double */
	kusano	7d535a	00027 SLU_C, /* single complex */
	kusano	7d535a	00028 SLU_Z /* double complex */
	kusano	7d535a	00029 } Dtype_t;
	kusano	7d535a	00030
	kusano	7d535a	00031 typedef enum {
	kusano	7d535a	00032 SLU_GE, /* general */
	kusano	7d535a	00033 SLU_TRLU, /* lower triangular, unit diagonal */
	kusano	7d535a	00034 SLU_TRUU, /* upper triangular, unit diagonal */
	kusano	7d535a	00035 SLU_TRL, /* lower triangular */
	kusano	7d535a	00036 SLU_TRU, /* upper triangular */
	kusano	7d535a	00037 SLU_SYL, /* symmetric, store lower half */
	kusano	7d535a	00038 SLU_SYU, /* symmetric, store upper half */
	kusano	7d535a	00039 SLU_HEL, /* Hermitian, store lower half */
	kusano	7d535a	00040 SLU_HEU /* Hermitian, store upper half */
	kusano	7d535a	00041 } Mtype_t;
	kusano	7d535a	00042
	kusano	7d535a	00043 typedef struct {
	kusano	7d535a	00044 Stype_t Stype; /* Storage type: interprets the storage structure
	kusano	7d535a	00045 pointed to by *Store. */
	kusano	7d535a	00046 Dtype_t Dtype; /* Data type. */
	kusano	7d535a	00047 Mtype_t Mtype; /* Matrix type: describes the mathematical property of
	kusano	7d535a	00048 the matrix. */
	kusano	7d535a	00049 int_t nrow; /* number of rows */
	kusano	7d535a	00050 int_t ncol; /* number of columns */
	kusano	7d535a	00051 void *Store; /* pointer to the actual storage of the matrix */
	kusano	7d535a	00052 } SuperMatrix;
	kusano	7d535a	00053
	kusano	7d535a	00054 /***********************************************
	kusano	7d535a	00055 * The storage schemes are defined as follows. *
	kusano	7d535a	00056 ***********************************************/
	kusano	7d535a	00057
	kusano	7d535a	00058 /* Stype == SLU_NC (Also known as Harwell-Boeing sparse matrix format) */
	kusano	7d535a	00059 typedef struct {
	kusano	7d535a	00060 int_t nnz; /* number of nonzeros in the matrix */
	kusano	7d535a	00061 void *nzval; /* pointer to array of nonzero values, packed by column */
	kusano	7d535a	00062 int_t *rowind; /* pointer to array of row indices of the nonzeros */
	kusano	7d535a	00063 int_t *colptr; /* pointer to array of beginning of columns in nzval[]
	kusano	7d535a	00064 and rowind[] */
	kusano	7d535a	00065 /* Note:
	kusano	7d535a	00066 Zero-based indexing is used;
	kusano	7d535a	00067 colptr[] has ncol+1 entries, the last one pointing
	kusano	7d535a	00068 beyond the last column, so that colptr[ncol] = nnz. */
	kusano	7d535a	00069 } NCformat;
	kusano	7d535a	00070
	kusano	7d535a	00071 /* Stype == SLU_NR */
	kusano	7d535a	00072 typedef struct {
	kusano	7d535a	00073 int_t nnz; /* number of nonzeros in the matrix */
	kusano	7d535a	00074 void *nzval; /* pointer to array of nonzero values, packed by raw */
	kusano	7d535a	00075 int_t *colind; /* pointer to array of columns indices of the nonzeros */
	kusano	7d535a	00076 int_t *rowptr; /* pointer to array of beginning of rows in nzval[]
	kusano	7d535a	00077 and colind[] */
	kusano	7d535a	00078 /* Note:
	kusano	7d535a	00079 Zero-based indexing is used;
	kusano	7d535a	00080 rowptr[] has nrow+1 entries, the last one pointing
	kusano	7d535a	00081 beyond the last row, so that rowptr[nrow] = nnz. */
	kusano	7d535a	00082 } NRformat;
	kusano	7d535a	00083
	kusano	7d535a	00084 /* Stype == SLU_SC */
	kusano	7d535a	00085 typedef struct {
	kusano	7d535a	00086 int_t nnz; /* number of nonzeros in the matrix */
	kusano	7d535a	00087 int_t nsuper; /* number of supernodes, minus 1 */
	kusano	7d535a	00088 void *nzval; /* pointer to array of nonzero values, packed by column */
	kusano	7d535a	00089 int_t *nzval_colptr;/* pointer to array of beginning of columns in nzval[] */
	kusano	7d535a	00090 int_t *rowind; /* pointer to array of compressed row indices of
	kusano	7d535a	00091 rectangular supernodes */
	kusano	7d535a	00092 int_t *rowind_colptr;/* pointer to array of beginning of columns in rowind[] */
	kusano	7d535a	00093 int_t *col_to_sup; /* col_to_sup[j] is the supernode number to which column
	kusano	7d535a	00094 j belongs; mapping from column to supernode number. */
	kusano	7d535a	00095 int_t *sup_to_col; /* sup_to_col[s] points to the start of the s-th
	kusano	7d535a	00096 supernode; mapping from supernode number to column.
	kusano	7d535a	00097 e.g.: col_to_sup: 0 1 2 2 3 3 3 4 4 4 4 4 4 (ncol=12)
	kusano	7d535a	00098 sup_to_col: 0 1 2 4 7 12 (nsuper=4) */
	kusano	7d535a	00099 /* Note:
	kusano	7d535a	00100 Zero-based indexing is used;
	kusano	7d535a	00101 nzval_colptr[], rowind_colptr[], col_to_sup and
	kusano	7d535a	00102 sup_to_col[] have ncol+1 entries, the last one
	kusano	7d535a	00103 pointing beyond the last column.
	kusano	7d535a	00104 For col_to_sup[], only the first ncol entries are
	kusano	7d535a	00105 defined. For sup_to_col[], only the first nsuper+2
	kusano	7d535a	00106 entries are defined. */
	kusano	7d535a	00107 } SCformat;
	kusano	7d535a	00108
	kusano	7d535a	00109 /* Stype == SLU_SCP */
	kusano	7d535a	00110 typedef struct {
	kusano	7d535a	00111 int_t nnz; /* number of nonzeros in the matrix */
	kusano	7d535a	00112 int_t nsuper; /* number of supernodes */
	kusano	7d535a	00113 void *nzval; /* pointer to array of nonzero values, packed by column */
	kusano	7d535a	00114 int_t *nzval_colbeg;/* nzval_colbeg[j] points to beginning of column j
	kusano	7d535a	00115 in nzval[] */
	kusano	7d535a	00116 int_t *nzval_colend;/* nzval_colend[j] points to one past the last element
	kusano	7d535a	00117 of column j in nzval[] */
	kusano	7d535a	00118 int_t *rowind; /* pointer to array of compressed row indices of
	kusano	7d535a	00119 rectangular supernodes */
	kusano	7d535a	00120 int_t *rowind_colbeg;/* rowind_colbeg[j] points to beginning of column j
	kusano	7d535a	00121 in rowind[] */
	kusano	7d535a	00122 int_t *rowind_colend;/* rowind_colend[j] points to one past the last element
	kusano	7d535a	00123 of column j in rowind[] */
	kusano	7d535a	00124 int_t *col_to_sup; /* col_to_sup[j] is the supernode number to which column
	kusano	7d535a	00125 j belongs; mapping from column to supernode. */
	kusano	7d535a	00126 int_t *sup_to_colbeg; /* sup_to_colbeg[s] points to the start of the s-th
	kusano	7d535a	00127 supernode; mapping from supernode to column.*/
	kusano	7d535a	00128 int_t *sup_to_colend; /* sup_to_colend[s] points to one past the end of the
	kusano	7d535a	00129 s-th supernode; mapping from supernode number to
	kusano	7d535a	00130 column.
	kusano	7d535a	00131 e.g.: col_to_sup: 0 1 2 2 3 3 3 4 4 4 4 4 4 (ncol=12)
	kusano	7d535a	00132 sup_to_colbeg: 0 1 2 4 7 (nsuper=4)
	kusano	7d535a	00133 sup_to_colend: 1 2 4 7 12 */
	kusano	7d535a	00134 /* Note:
	kusano	7d535a	00135 Zero-based indexing is used;
	kusano	7d535a	00136 nzval_colptr[], rowind_colptr[], col_to_sup and
	kusano	7d535a	00137 sup_to_col[] have ncol+1 entries, the last one
	kusano	7d535a	00138 pointing beyond the last column. */
	kusano	7d535a	00139 } SCPformat;
	kusano	7d535a	00140
	kusano	7d535a	00141 /* Stype == SLU_NCP */
	kusano	7d535a	00142 typedef struct {
	kusano	7d535a	00143 int_t nnz; /* number of nonzeros in the matrix */
	kusano	7d535a	00144 void *nzval; /* pointer to array of nonzero values, packed by column */
	kusano	7d535a	00145 int_t *rowind;/* pointer to array of row indices of the nonzeros */
	kusano	7d535a	00146 /* Note: nzval[]/rowind[] always have the same length */
	kusano	7d535a	00147 int_t *colbeg;/* colbeg[j] points to the beginning of column j in nzval[]
	kusano	7d535a	00148 and rowind[] */
	kusano	7d535a	00149 int_t *colend;/* colend[j] points to one past the last element of column
	kusano	7d535a	00150 j in nzval[] and rowind[] */
	kusano	7d535a	00151 /* Note:
	kusano	7d535a	00152 Zero-based indexing is used;
	kusano	7d535a	00153 The consecutive columns of the nonzeros may not be
	kusano	7d535a	00154 contiguous in storage, because the matrix has been
	kusano	7d535a	00155 postmultiplied by a column permutation matrix. */
	kusano	7d535a	00156 } NCPformat;
	kusano	7d535a	00157
	kusano	7d535a	00158 /* Stype == SLU_DN */
	kusano	7d535a	00159 typedef struct {
	kusano	7d535a	00160 int_t lda; /* leading dimension */
	kusano	7d535a	00161 void *nzval; /* array of size lda*ncol to represent a dense matrix */
	kusano	7d535a	00162 } DNformat;
	kusano	7d535a	00163
	kusano	7d535a	00164 /* Stype == SLU_NR_loc (Distributed Compressed Row Format) */
	kusano	7d535a	00165 typedef struct {
	kusano	7d535a	00166 int_t nnz_loc; /* number of nonzeros in the local submatrix */
	kusano	7d535a	00167 int_t m_loc; /* number of rows local to this processor */
	kusano	7d535a	00168 int_t fst_row; /* global index of the first row */
	kusano	7d535a	00169 void *nzval; /* pointer to array of nonzero values, packed by row */
	kusano	7d535a	00170 int_t *rowptr; /* pointer to array of beginning of rows in nzval[]
	kusano	7d535a	00171 and colind[] */
	kusano	7d535a	00172 int_t *colind; /* pointer to array of column indices of the nonzeros */
	kusano	7d535a	00173 /* Note:
	kusano	7d535a	00174 Zero-based indexing is used;
	kusano	7d535a	00175 rowptr[] has n_loc + 1 entries, the last one pointing
	kusano	7d535a	00176 beyond the last row, so that rowptr[n_loc] = nnz_loc.*/
	kusano	7d535a	00177 } NRformat_loc;
	kusano	7d535a	00178
	kusano	7d535a	00179
	kusano	7d535a	00180 #endif /* __SUPERLU_SUPERMATRIX */
	kusano	7d535a
	kusano	7d535a	<address style="text-align: right;"><small>Generated on Mon Nov 22 10:23:47 2010 for SuperLU by </small></address>
	kusano	7d535a
	kusano	7d535a	1.5.5
	kusano	7d535a
	kusano	7d535a

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