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-rw-r--r--Eigen/src/OrderingMethods/Eigen_Colamd.h421
1 files changed, 207 insertions, 214 deletions
diff --git a/Eigen/src/OrderingMethods/Eigen_Colamd.h b/Eigen/src/OrderingMethods/Eigen_Colamd.h
index 44548f660..933cd564b 100644
--- a/Eigen/src/OrderingMethods/Eigen_Colamd.h
+++ b/Eigen/src/OrderingMethods/Eigen_Colamd.h
@@ -41,12 +41,8 @@
//
// The colamd/symamd library is available at
//
-// http://www.cise.ufl.edu/research/sparse/colamd/
+// http://www.suitesparse.com
-// This is the http://www.cise.ufl.edu/research/sparse/colamd/colamd.h
-// file. It is required by the colamd.c, colamdmex.c, and symamdmex.c
-// files, and by any C code that calls the routines whose prototypes are
-// listed below, or that uses the colamd/symamd definitions listed below.
#ifndef EIGEN_COLAMD_H
#define EIGEN_COLAMD_H
@@ -102,9 +98,6 @@ namespace internal {
/* === Definitions ========================================================== */
/* ========================================================================== */
-#define COLAMD_MAX(a,b) (((a) > (b)) ? (a) : (b))
-#define COLAMD_MIN(a,b) (((a) < (b)) ? (a) : (b))
-
#define ONES_COMPLEMENT(r) (-(r)-1)
/* -------------------------------------------------------------------------- */
@@ -135,54 +128,54 @@ namespace internal {
/* ========================================================================== */
// == Row and Column structures ==
-template <typename Index>
+template <typename IndexType>
struct colamd_col
{
- Index start ; /* index for A of first row in this column, or DEAD */
+ IndexType start ; /* index for A of first row in this column, or DEAD */
/* if column is dead */
- Index length ; /* number of rows in this column */
+ IndexType length ; /* number of rows in this column */
union
{
- Index thickness ; /* number of original columns represented by this */
+ IndexType thickness ; /* number of original columns represented by this */
/* col, if the column is alive */
- Index parent ; /* parent in parent tree super-column structure, if */
+ IndexType parent ; /* parent in parent tree super-column structure, if */
/* the column is dead */
} shared1 ;
union
{
- Index score ; /* the score used to maintain heap, if col is alive */
- Index order ; /* pivot ordering of this column, if col is dead */
+ IndexType score ; /* the score used to maintain heap, if col is alive */
+ IndexType order ; /* pivot ordering of this column, if col is dead */
} shared2 ;
union
{
- Index headhash ; /* head of a hash bucket, if col is at the head of */
+ IndexType headhash ; /* head of a hash bucket, if col is at the head of */
/* a degree list */
- Index hash ; /* hash value, if col is not in a degree list */
- Index prev ; /* previous column in degree list, if col is in a */
+ IndexType hash ; /* hash value, if col is not in a degree list */
+ IndexType prev ; /* previous column in degree list, if col is in a */
/* degree list (but not at the head of a degree list) */
} shared3 ;
union
{
- Index degree_next ; /* next column, if col is in a degree list */
- Index hash_next ; /* next column, if col is in a hash list */
+ IndexType degree_next ; /* next column, if col is in a degree list */
+ IndexType hash_next ; /* next column, if col is in a hash list */
} shared4 ;
};
-template <typename Index>
+template <typename IndexType>
struct Colamd_Row
{
- Index start ; /* index for A of first col in this row */
- Index length ; /* number of principal columns in this row */
+ IndexType start ; /* index for A of first col in this row */
+ IndexType length ; /* number of principal columns in this row */
union
{
- Index degree ; /* number of principal & non-principal columns in row */
- Index p ; /* used as a row pointer in init_rows_cols () */
+ IndexType degree ; /* number of principal & non-principal columns in row */
+ IndexType p ; /* used as a row pointer in init_rows_cols () */
} shared1 ;
union
{
- Index mark ; /* for computing set differences and marking dead rows*/
- Index first_column ;/* first column in row (used in garbage collection) */
+ IndexType mark ; /* for computing set differences and marking dead rows*/
+ IndexType first_column ;/* first column in row (used in garbage collection) */
} shared2 ;
};
@@ -202,38 +195,38 @@ struct Colamd_Row
This macro is not needed when using symamd.
- Explicit typecast to Index added Sept. 23, 2002, COLAMD version 2.2, to avoid
+ Explicit typecast to IndexType added Sept. 23, 2002, COLAMD version 2.2, to avoid
gcc -pedantic warning messages.
*/
-template <typename Index>
-inline Index colamd_c(Index n_col)
-{ return Index( ((n_col) + 1) * sizeof (colamd_col<Index>) / sizeof (Index) ) ; }
+template <typename IndexType>
+inline IndexType colamd_c(IndexType n_col)
+{ return IndexType( ((n_col) + 1) * sizeof (colamd_col<IndexType>) / sizeof (IndexType) ) ; }
-template <typename Index>
-inline Index colamd_r(Index n_row)
-{ return Index(((n_row) + 1) * sizeof (Colamd_Row<Index>) / sizeof (Index)); }
+template <typename IndexType>
+inline IndexType colamd_r(IndexType n_row)
+{ return IndexType(((n_row) + 1) * sizeof (Colamd_Row<IndexType>) / sizeof (IndexType)); }
// Prototypes of non-user callable routines
-template <typename Index>
-static Index init_rows_cols (Index n_row, Index n_col, Colamd_Row<Index> Row [], colamd_col<Index> col [], Index A [], Index p [], Index stats[COLAMD_STATS] );
+template <typename IndexType>
+static IndexType init_rows_cols (IndexType n_row, IndexType n_col, Colamd_Row<IndexType> Row [], colamd_col<IndexType> col [], IndexType A [], IndexType p [], IndexType stats[COLAMD_STATS] );
-template <typename Index>
-static void init_scoring (Index n_row, Index n_col, Colamd_Row<Index> Row [], colamd_col<Index> Col [], Index A [], Index head [], double knobs[COLAMD_KNOBS], Index *p_n_row2, Index *p_n_col2, Index *p_max_deg);
+template <typename IndexType>
+static void init_scoring (IndexType n_row, IndexType n_col, Colamd_Row<IndexType> Row [], colamd_col<IndexType> Col [], IndexType A [], IndexType head [], double knobs[COLAMD_KNOBS], IndexType *p_n_row2, IndexType *p_n_col2, IndexType *p_max_deg);
-template <typename Index>
-static Index find_ordering (Index n_row, Index n_col, Index Alen, Colamd_Row<Index> Row [], colamd_col<Index> Col [], Index A [], Index head [], Index n_col2, Index max_deg, Index pfree);
+template <typename IndexType>
+static IndexType find_ordering (IndexType n_row, IndexType n_col, IndexType Alen, Colamd_Row<IndexType> Row [], colamd_col<IndexType> Col [], IndexType A [], IndexType head [], IndexType n_col2, IndexType max_deg, IndexType pfree);
-template <typename Index>
-static void order_children (Index n_col, colamd_col<Index> Col [], Index p []);
+template <typename IndexType>
+static void order_children (IndexType n_col, colamd_col<IndexType> Col [], IndexType p []);
-template <typename Index>
-static void detect_super_cols (colamd_col<Index> Col [], Index A [], Index head [], Index row_start, Index row_length ) ;
+template <typename IndexType>
+static void detect_super_cols (colamd_col<IndexType> Col [], IndexType A [], IndexType head [], IndexType row_start, IndexType row_length ) ;
-template <typename Index>
-static Index garbage_collection (Index n_row, Index n_col, Colamd_Row<Index> Row [], colamd_col<Index> Col [], Index A [], Index *pfree) ;
+template <typename IndexType>
+static IndexType garbage_collection (IndexType n_row, IndexType n_col, Colamd_Row<IndexType> Row [], colamd_col<IndexType> Col [], IndexType A [], IndexType *pfree) ;
-template <typename Index>
-static inline Index clear_mark (Index n_row, Colamd_Row<Index> Row [] ) ;
+template <typename IndexType>
+static inline IndexType clear_mark (IndexType n_row, Colamd_Row<IndexType> Row [] ) ;
/* === No debugging ========================================================= */
@@ -260,8 +253,8 @@ static inline Index clear_mark (Index n_row, Colamd_Row<Index> Row [] ) ;
* \param n_col number of columns in A
* \return recommended value of Alen for use by colamd
*/
-template <typename Index>
-inline Index colamd_recommended ( Index nnz, Index n_row, Index n_col)
+template <typename IndexType>
+inline IndexType colamd_recommended ( IndexType nnz, IndexType n_row, IndexType n_col)
{
if ((nnz) < 0 || (n_row) < 0 || (n_col) < 0)
return (-1);
@@ -325,22 +318,22 @@ static inline void colamd_set_defaults(double knobs[COLAMD_KNOBS])
* \param knobs parameter settings for colamd
* \param stats colamd output statistics and error codes
*/
-template <typename Index>
-static bool colamd(Index n_row, Index n_col, Index Alen, Index *A, Index *p, double knobs[COLAMD_KNOBS], Index stats[COLAMD_STATS])
+template <typename IndexType>
+static bool colamd(IndexType n_row, IndexType n_col, IndexType Alen, IndexType *A, IndexType *p, double knobs[COLAMD_KNOBS], IndexType stats[COLAMD_STATS])
{
/* === Local variables ================================================== */
- Index i ; /* loop index */
- Index nnz ; /* nonzeros in A */
- Index Row_size ; /* size of Row [], in integers */
- Index Col_size ; /* size of Col [], in integers */
- Index need ; /* minimum required length of A */
- Colamd_Row<Index> *Row ; /* pointer into A of Row [0..n_row] array */
- colamd_col<Index> *Col ; /* pointer into A of Col [0..n_col] array */
- Index n_col2 ; /* number of non-dense, non-empty columns */
- Index n_row2 ; /* number of non-dense, non-empty rows */
- Index ngarbage ; /* number of garbage collections performed */
- Index max_deg ; /* maximum row degree */
+ IndexType i ; /* loop index */
+ IndexType nnz ; /* nonzeros in A */
+ IndexType Row_size ; /* size of Row [], in integers */
+ IndexType Col_size ; /* size of Col [], in integers */
+ IndexType need ; /* minimum required length of A */
+ Colamd_Row<IndexType> *Row ; /* pointer into A of Row [0..n_row] array */
+ colamd_col<IndexType> *Col ; /* pointer into A of Col [0..n_col] array */
+ IndexType n_col2 ; /* number of non-dense, non-empty columns */
+ IndexType n_row2 ; /* number of non-dense, non-empty rows */
+ IndexType ngarbage ; /* number of garbage collections performed */
+ IndexType max_deg ; /* maximum row degree */
double default_knobs [COLAMD_KNOBS] ; /* default knobs array */
@@ -431,8 +424,8 @@ static bool colamd(Index n_row, Index n_col, Index Alen, Index *A, Index *p, dou
}
Alen -= Col_size + Row_size ;
- Col = (colamd_col<Index> *) &A [Alen] ;
- Row = (Colamd_Row<Index> *) &A [Alen + Col_size] ;
+ Col = (colamd_col<IndexType> *) &A [Alen] ;
+ Row = (Colamd_Row<IndexType> *) &A [Alen + Col_size] ;
/* === Construct the row and column data structures ===================== */
@@ -485,29 +478,29 @@ static bool colamd(Index n_row, Index n_col, Index Alen, Index *A, Index *p, dou
column form of the matrix. Returns false if the matrix is invalid,
true otherwise. Not user-callable.
*/
-template <typename Index>
-static Index init_rows_cols /* returns true if OK, or false otherwise */
+template <typename IndexType>
+static IndexType init_rows_cols /* returns true if OK, or false otherwise */
(
/* === Parameters ======================================================= */
- Index n_row, /* number of rows of A */
- Index n_col, /* number of columns of A */
- Colamd_Row<Index> Row [], /* of size n_row+1 */
- colamd_col<Index> Col [], /* of size n_col+1 */
- Index A [], /* row indices of A, of size Alen */
- Index p [], /* pointers to columns in A, of size n_col+1 */
- Index stats [COLAMD_STATS] /* colamd statistics */
+ IndexType n_row, /* number of rows of A */
+ IndexType n_col, /* number of columns of A */
+ Colamd_Row<IndexType> Row [], /* of size n_row+1 */
+ colamd_col<IndexType> Col [], /* of size n_col+1 */
+ IndexType A [], /* row indices of A, of size Alen */
+ IndexType p [], /* pointers to columns in A, of size n_col+1 */
+ IndexType stats [COLAMD_STATS] /* colamd statistics */
)
{
/* === Local variables ================================================== */
- Index col ; /* a column index */
- Index row ; /* a row index */
- Index *cp ; /* a column pointer */
- Index *cp_end ; /* a pointer to the end of a column */
- Index *rp ; /* a row pointer */
- Index *rp_end ; /* a pointer to the end of a row */
- Index last_row ; /* previous row */
+ IndexType col ; /* a column index */
+ IndexType row ; /* a row index */
+ IndexType *cp ; /* a column pointer */
+ IndexType *cp_end ; /* a pointer to the end of a column */
+ IndexType *rp ; /* a row pointer */
+ IndexType *rp_end ; /* a pointer to the end of a row */
+ IndexType last_row ; /* previous row */
/* === Initialize columns, and check column pointers ==================== */
@@ -516,7 +509,7 @@ static Index init_rows_cols /* returns true if OK, or false otherwise */
Col [col].start = p [col] ;
Col [col].length = p [col+1] - p [col] ;
- if (Col [col].length < 0)
+ if ((Col [col].length) < 0) // extra parentheses to work-around gcc bug 10200
{
/* column pointers must be non-decreasing */
stats [COLAMD_STATUS] = COLAMD_ERROR_col_length_negative ;
@@ -701,46 +694,46 @@ static Index init_rows_cols /* returns true if OK, or false otherwise */
Kills dense or empty columns and rows, calculates an initial score for
each column, and places all columns in the degree lists. Not user-callable.
*/
-template <typename Index>
+template <typename IndexType>
static void init_scoring
(
/* === Parameters ======================================================= */
- Index n_row, /* number of rows of A */
- Index n_col, /* number of columns of A */
- Colamd_Row<Index> Row [], /* of size n_row+1 */
- colamd_col<Index> Col [], /* of size n_col+1 */
- Index A [], /* column form and row form of A */
- Index head [], /* of size n_col+1 */
+ IndexType n_row, /* number of rows of A */
+ IndexType n_col, /* number of columns of A */
+ Colamd_Row<IndexType> Row [], /* of size n_row+1 */
+ colamd_col<IndexType> Col [], /* of size n_col+1 */
+ IndexType A [], /* column form and row form of A */
+ IndexType head [], /* of size n_col+1 */
double knobs [COLAMD_KNOBS],/* parameters */
- Index *p_n_row2, /* number of non-dense, non-empty rows */
- Index *p_n_col2, /* number of non-dense, non-empty columns */
- Index *p_max_deg /* maximum row degree */
+ IndexType *p_n_row2, /* number of non-dense, non-empty rows */
+ IndexType *p_n_col2, /* number of non-dense, non-empty columns */
+ IndexType *p_max_deg /* maximum row degree */
)
{
/* === Local variables ================================================== */
- Index c ; /* a column index */
- Index r, row ; /* a row index */
- Index *cp ; /* a column pointer */
- Index deg ; /* degree of a row or column */
- Index *cp_end ; /* a pointer to the end of a column */
- Index *new_cp ; /* new column pointer */
- Index col_length ; /* length of pruned column */
- Index score ; /* current column score */
- Index n_col2 ; /* number of non-dense, non-empty columns */
- Index n_row2 ; /* number of non-dense, non-empty rows */
- Index dense_row_count ; /* remove rows with more entries than this */
- Index dense_col_count ; /* remove cols with more entries than this */
- Index min_score ; /* smallest column score */
- Index max_deg ; /* maximum row degree */
- Index next_col ; /* Used to add to degree list.*/
+ IndexType c ; /* a column index */
+ IndexType r, row ; /* a row index */
+ IndexType *cp ; /* a column pointer */
+ IndexType deg ; /* degree of a row or column */
+ IndexType *cp_end ; /* a pointer to the end of a column */
+ IndexType *new_cp ; /* new column pointer */
+ IndexType col_length ; /* length of pruned column */
+ IndexType score ; /* current column score */
+ IndexType n_col2 ; /* number of non-dense, non-empty columns */
+ IndexType n_row2 ; /* number of non-dense, non-empty rows */
+ IndexType dense_row_count ; /* remove rows with more entries than this */
+ IndexType dense_col_count ; /* remove cols with more entries than this */
+ IndexType min_score ; /* smallest column score */
+ IndexType max_deg ; /* maximum row degree */
+ IndexType next_col ; /* Used to add to degree list.*/
/* === Extract knobs ==================================================== */
- dense_row_count = COLAMD_MAX (0, COLAMD_MIN (knobs [COLAMD_DENSE_ROW] * n_col, n_col)) ;
- dense_col_count = COLAMD_MAX (0, COLAMD_MIN (knobs [COLAMD_DENSE_COL] * n_row, n_row)) ;
+ dense_row_count = numext::maxi(IndexType(0), numext::mini(IndexType(knobs [COLAMD_DENSE_ROW] * n_col), n_col)) ;
+ dense_col_count = numext::maxi(IndexType(0), numext::mini(IndexType(knobs [COLAMD_DENSE_COL] * n_row), n_row)) ;
COLAMD_DEBUG1 (("colamd: densecount: %d %d\n", dense_row_count, dense_col_count)) ;
max_deg = 0 ;
n_col2 = n_col ;
@@ -804,7 +797,7 @@ static void init_scoring
else
{
/* keep track of max degree of remaining rows */
- max_deg = COLAMD_MAX (max_deg, deg) ;
+ max_deg = numext::maxi(max_deg, deg) ;
}
}
COLAMD_DEBUG1 (("colamd: Dense and null rows killed: %d\n", n_row - n_row2)) ;
@@ -842,10 +835,10 @@ static void init_scoring
/* add row's external degree */
score += Row [row].shared1.degree - 1 ;
/* guard against integer overflow */
- score = COLAMD_MIN (score, n_col) ;
+ score = numext::mini(score, n_col) ;
}
/* determine pruned column length */
- col_length = (Index) (new_cp - &A [Col [c].start]) ;
+ col_length = (IndexType) (new_cp - &A [Col [c].start]) ;
if (col_length == 0)
{
/* a newly-made null column (all rows in this col are "dense" */
@@ -914,7 +907,7 @@ static void init_scoring
head [score] = c ;
/* see if this score is less than current min */
- min_score = COLAMD_MIN (min_score, score) ;
+ min_score = numext::mini(min_score, score) ;
}
@@ -938,56 +931,56 @@ static void init_scoring
(no supercolumns on input). Uses a minimum approximate column minimum
degree ordering method. Not user-callable.
*/
-template <typename Index>
-static Index find_ordering /* return the number of garbage collections */
+template <typename IndexType>
+static IndexType find_ordering /* return the number of garbage collections */
(
/* === Parameters ======================================================= */
- Index n_row, /* number of rows of A */
- Index n_col, /* number of columns of A */
- Index Alen, /* size of A, 2*nnz + n_col or larger */
- Colamd_Row<Index> Row [], /* of size n_row+1 */
- colamd_col<Index> Col [], /* of size n_col+1 */
- Index A [], /* column form and row form of A */
- Index head [], /* of size n_col+1 */
- Index n_col2, /* Remaining columns to order */
- Index max_deg, /* Maximum row degree */
- Index pfree /* index of first free slot (2*nnz on entry) */
+ IndexType n_row, /* number of rows of A */
+ IndexType n_col, /* number of columns of A */
+ IndexType Alen, /* size of A, 2*nnz + n_col or larger */
+ Colamd_Row<IndexType> Row [], /* of size n_row+1 */
+ colamd_col<IndexType> Col [], /* of size n_col+1 */
+ IndexType A [], /* column form and row form of A */
+ IndexType head [], /* of size n_col+1 */
+ IndexType n_col2, /* Remaining columns to order */
+ IndexType max_deg, /* Maximum row degree */
+ IndexType pfree /* index of first free slot (2*nnz on entry) */
)
{
/* === Local variables ================================================== */
- Index k ; /* current pivot ordering step */
- Index pivot_col ; /* current pivot column */
- Index *cp ; /* a column pointer */
- Index *rp ; /* a row pointer */
- Index pivot_row ; /* current pivot row */
- Index *new_cp ; /* modified column pointer */
- Index *new_rp ; /* modified row pointer */
- Index pivot_row_start ; /* pointer to start of pivot row */
- Index pivot_row_degree ; /* number of columns in pivot row */
- Index pivot_row_length ; /* number of supercolumns in pivot row */
- Index pivot_col_score ; /* score of pivot column */
- Index needed_memory ; /* free space needed for pivot row */
- Index *cp_end ; /* pointer to the end of a column */
- Index *rp_end ; /* pointer to the end of a row */
- Index row ; /* a row index */
- Index col ; /* a column index */
- Index max_score ; /* maximum possible score */
- Index cur_score ; /* score of current column */
+ IndexType k ; /* current pivot ordering step */
+ IndexType pivot_col ; /* current pivot column */
+ IndexType *cp ; /* a column pointer */
+ IndexType *rp ; /* a row pointer */
+ IndexType pivot_row ; /* current pivot row */
+ IndexType *new_cp ; /* modified column pointer */
+ IndexType *new_rp ; /* modified row pointer */
+ IndexType pivot_row_start ; /* pointer to start of pivot row */
+ IndexType pivot_row_degree ; /* number of columns in pivot row */
+ IndexType pivot_row_length ; /* number of supercolumns in pivot row */
+ IndexType pivot_col_score ; /* score of pivot column */
+ IndexType needed_memory ; /* free space needed for pivot row */
+ IndexType *cp_end ; /* pointer to the end of a column */
+ IndexType *rp_end ; /* pointer to the end of a row */
+ IndexType row ; /* a row index */
+ IndexType col ; /* a column index */
+ IndexType max_score ; /* maximum possible score */
+ IndexType cur_score ; /* score of current column */
unsigned int hash ; /* hash value for supernode detection */
- Index head_column ; /* head of hash bucket */
- Index first_col ; /* first column in hash bucket */
- Index tag_mark ; /* marker value for mark array */
- Index row_mark ; /* Row [row].shared2.mark */
- Index set_difference ; /* set difference size of row with pivot row */
- Index min_score ; /* smallest column score */
- Index col_thickness ; /* "thickness" (no. of columns in a supercol) */
- Index max_mark ; /* maximum value of tag_mark */
- Index pivot_col_thickness ; /* number of columns represented by pivot col */
- Index prev_col ; /* Used by Dlist operations. */
- Index next_col ; /* Used by Dlist operations. */
- Index ngarbage ; /* number of garbage collections performed */
+ IndexType head_column ; /* head of hash bucket */
+ IndexType first_col ; /* first column in hash bucket */
+ IndexType tag_mark ; /* marker value for mark array */
+ IndexType row_mark ; /* Row [row].shared2.mark */
+ IndexType set_difference ; /* set difference size of row with pivot row */
+ IndexType min_score ; /* smallest column score */
+ IndexType col_thickness ; /* "thickness" (no. of columns in a supercol) */
+ IndexType max_mark ; /* maximum value of tag_mark */
+ IndexType pivot_col_thickness ; /* number of columns represented by pivot col */
+ IndexType prev_col ; /* Used by Dlist operations. */
+ IndexType next_col ; /* Used by Dlist operations. */
+ IndexType ngarbage ; /* number of garbage collections performed */
/* === Initialization and clear mark ==================================== */
@@ -1040,7 +1033,7 @@ static Index find_ordering /* return the number of garbage collections */
/* === Garbage_collection, if necessary ============================= */
- needed_memory = COLAMD_MIN (pivot_col_score, n_col - k) ;
+ needed_memory = numext::mini(pivot_col_score, n_col - k) ;
if (pfree + needed_memory >= Alen)
{
pfree = Eigen::internal::garbage_collection (n_row, n_col, Row, Col, A, &A [pfree]) ;
@@ -1099,7 +1092,7 @@ static Index find_ordering /* return the number of garbage collections */
/* clear tag on pivot column */
Col [pivot_col].shared1.thickness = pivot_col_thickness ;
- max_deg = COLAMD_MAX (max_deg, pivot_row_degree) ;
+ max_deg = numext::maxi(max_deg, pivot_row_degree) ;
/* === Kill all rows used to construct pivot row ==================== */
@@ -1273,11 +1266,11 @@ static Index find_ordering /* return the number of garbage collections */
/* add set difference */
cur_score += row_mark - tag_mark ;
/* integer overflow... */
- cur_score = COLAMD_MIN (cur_score, n_col) ;
+ cur_score = numext::mini(cur_score, n_col) ;
}
/* recompute the column's length */
- Col [col].length = (Index) (new_cp - &A [Col [col].start]) ;
+ Col [col].length = (IndexType) (new_cp - &A [Col [col].start]) ;
/* === Further mass elimination ================================= */
@@ -1325,7 +1318,7 @@ static Index find_ordering /* return the number of garbage collections */
Col [col].shared4.hash_next = first_col ;
/* save hash function in Col [col].shared3.hash */
- Col [col].shared3.hash = (Index) hash ;
+ Col [col].shared3.hash = (IndexType) hash ;
COLAMD_ASSERT (COL_IS_ALIVE (col)) ;
}
}
@@ -1386,7 +1379,7 @@ static Index find_ordering /* return the number of garbage collections */
cur_score -= Col [col].shared1.thickness ;
/* make sure score is less or equal than the max score */
- cur_score = COLAMD_MIN (cur_score, max_score) ;
+ cur_score = numext::mini(cur_score, max_score) ;
COLAMD_ASSERT (cur_score >= 0) ;
/* store updated score */
@@ -1409,7 +1402,7 @@ static Index find_ordering /* return the number of garbage collections */
head [cur_score] = col ;
/* see if this score is less than current min */
- min_score = COLAMD_MIN (min_score, cur_score) ;
+ min_score = numext::mini(min_score, cur_score) ;
}
@@ -1420,7 +1413,7 @@ static Index find_ordering /* return the number of garbage collections */
/* update pivot row length to reflect any cols that were killed */
/* during super-col detection and mass elimination */
Row [pivot_row].start = pivot_row_start ;
- Row [pivot_row].length = (Index) (new_rp - &A[pivot_row_start]) ;
+ Row [pivot_row].length = (IndexType) (new_rp - &A[pivot_row_start]) ;
Row [pivot_row].shared1.degree = pivot_row_degree ;
Row [pivot_row].shared2.mark = 0 ;
/* pivot row is no longer dead */
@@ -1449,22 +1442,22 @@ static Index find_ordering /* return the number of garbage collections */
taken by this routine is O (n_col), that is, linear in the number of
columns. Not user-callable.
*/
-template <typename Index>
+template <typename IndexType>
static inline void order_children
(
/* === Parameters ======================================================= */
- Index n_col, /* number of columns of A */
- colamd_col<Index> Col [], /* of size n_col+1 */
- Index p [] /* p [0 ... n_col-1] is the column permutation*/
+ IndexType n_col, /* number of columns of A */
+ colamd_col<IndexType> Col [], /* of size n_col+1 */
+ IndexType p [] /* p [0 ... n_col-1] is the column permutation*/
)
{
/* === Local variables ================================================== */
- Index i ; /* loop counter for all columns */
- Index c ; /* column index */
- Index parent ; /* index of column's parent */
- Index order ; /* column's order */
+ IndexType i ; /* loop counter for all columns */
+ IndexType c ; /* column index */
+ IndexType parent ; /* index of column's parent */
+ IndexType order ; /* column's order */
/* === Order each non-principal column ================================== */
@@ -1550,33 +1543,33 @@ static inline void order_children
just been computed in the approximate degree computation.
Not user-callable.
*/
-template <typename Index>
+template <typename IndexType>
static void detect_super_cols
(
/* === Parameters ======================================================= */
- colamd_col<Index> Col [], /* of size n_col+1 */
- Index A [], /* row indices of A */
- Index head [], /* head of degree lists and hash buckets */
- Index row_start, /* pointer to set of columns to check */
- Index row_length /* number of columns to check */
+ colamd_col<IndexType> Col [], /* of size n_col+1 */
+ IndexType A [], /* row indices of A */
+ IndexType head [], /* head of degree lists and hash buckets */
+ IndexType row_start, /* pointer to set of columns to check */
+ IndexType row_length /* number of columns to check */
)
{
/* === Local variables ================================================== */
- Index hash ; /* hash value for a column */
- Index *rp ; /* pointer to a row */
- Index c ; /* a column index */
- Index super_c ; /* column index of the column to absorb into */
- Index *cp1 ; /* column pointer for column super_c */
- Index *cp2 ; /* column pointer for column c */
- Index length ; /* length of column super_c */
- Index prev_c ; /* column preceding c in hash bucket */
- Index i ; /* loop counter */
- Index *rp_end ; /* pointer to the end of the row */
- Index col ; /* a column index in the row to check */
- Index head_column ; /* first column in hash bucket or degree list */
- Index first_col ; /* first column in hash bucket */
+ IndexType hash ; /* hash value for a column */
+ IndexType *rp ; /* pointer to a row */
+ IndexType c ; /* a column index */
+ IndexType super_c ; /* column index of the column to absorb into */
+ IndexType *cp1 ; /* column pointer for column super_c */
+ IndexType *cp2 ; /* column pointer for column c */
+ IndexType length ; /* length of column super_c */
+ IndexType prev_c ; /* column preceding c in hash bucket */
+ IndexType i ; /* loop counter */
+ IndexType *rp_end ; /* pointer to the end of the row */
+ IndexType col ; /* a column index in the row to check */
+ IndexType head_column ; /* first column in hash bucket or degree list */
+ IndexType first_col ; /* first column in hash bucket */
/* === Consider each column in the row ================================== */
@@ -1701,27 +1694,27 @@ static void detect_super_cols
itself linear in the number of nonzeros in the input matrix.
Not user-callable.
*/
-template <typename Index>
-static Index garbage_collection /* returns the new value of pfree */
+template <typename IndexType>
+static IndexType garbage_collection /* returns the new value of pfree */
(
/* === Parameters ======================================================= */
- Index n_row, /* number of rows */
- Index n_col, /* number of columns */
- Colamd_Row<Index> Row [], /* row info */
- colamd_col<Index> Col [], /* column info */
- Index A [], /* A [0 ... Alen-1] holds the matrix */
- Index *pfree /* &A [0] ... pfree is in use */
+ IndexType n_row, /* number of rows */
+ IndexType n_col, /* number of columns */
+ Colamd_Row<IndexType> Row [], /* row info */
+ colamd_col<IndexType> Col [], /* column info */
+ IndexType A [], /* A [0 ... Alen-1] holds the matrix */
+ IndexType *pfree /* &A [0] ... pfree is in use */
)
{
/* === Local variables ================================================== */
- Index *psrc ; /* source pointer */
- Index *pdest ; /* destination pointer */
- Index j ; /* counter */
- Index r ; /* a row index */
- Index c ; /* a column index */
- Index length ; /* length of a row or column */
+ IndexType *psrc ; /* source pointer */
+ IndexType *pdest ; /* destination pointer */
+ IndexType j ; /* counter */
+ IndexType r ; /* a row index */
+ IndexType c ; /* a column index */
+ IndexType length ; /* length of a row or column */
/* === Defragment the columns =========================================== */
@@ -1734,7 +1727,7 @@ static Index garbage_collection /* returns the new value of pfree */
/* move and compact the column */
COLAMD_ASSERT (pdest <= psrc) ;
- Col [c].start = (Index) (pdest - &A [0]) ;
+ Col [c].start = (IndexType) (pdest - &A [0]) ;
length = Col [c].length ;
for (j = 0 ; j < length ; j++)
{
@@ -1744,7 +1737,7 @@ static Index garbage_collection /* returns the new value of pfree */
*pdest++ = r ;
}
}
- Col [c].length = (Index) (pdest - &A [Col [c].start]) ;
+ Col [c].length = (IndexType) (pdest - &A [Col [c].start]) ;
}
}
@@ -1791,7 +1784,7 @@ static Index garbage_collection /* returns the new value of pfree */
/* move and compact the row */
COLAMD_ASSERT (pdest <= psrc) ;
- Row [r].start = (Index) (pdest - &A [0]) ;
+ Row [r].start = (IndexType) (pdest - &A [0]) ;
length = Row [r].length ;
for (j = 0 ; j < length ; j++)
{
@@ -1801,7 +1794,7 @@ static Index garbage_collection /* returns the new value of pfree */
*pdest++ = c ;
}
}
- Row [r].length = (Index) (pdest - &A [Row [r].start]) ;
+ Row [r].length = (IndexType) (pdest - &A [Row [r].start]) ;
}
}
@@ -1810,7 +1803,7 @@ static Index garbage_collection /* returns the new value of pfree */
/* === Return the new value of pfree ==================================== */
- return ((Index) (pdest - &A [0])) ;
+ return ((IndexType) (pdest - &A [0])) ;
}
@@ -1822,18 +1815,18 @@ static Index garbage_collection /* returns the new value of pfree */
Clears the Row [].shared2.mark array, and returns the new tag_mark.
Return value is the new tag_mark. Not user-callable.
*/
-template <typename Index>
-static inline Index clear_mark /* return the new value for tag_mark */
+template <typename IndexType>
+static inline IndexType clear_mark /* return the new value for tag_mark */
(
/* === Parameters ======================================================= */
- Index n_row, /* number of rows in A */
- Colamd_Row<Index> Row [] /* Row [0 ... n_row-1].shared2.mark is set to zero */
+ IndexType n_row, /* number of rows in A */
+ Colamd_Row<IndexType> Row [] /* Row [0 ... n_row-1].shared2.mark is set to zero */
)
{
/* === Local variables ================================================== */
- Index r ;
+ IndexType r ;
for (r = 0 ; r < n_row ; r++)
{