forked from bartvdbraak/blender
71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
/** \file opennl/superlu/colamd.h
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* \ingroup opennl
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*/
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/* ========================================================================== */
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/* === colamd prototypes and definitions ==================================== */
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/* ========================================================================== */
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/*
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This is the colamd include file,
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http://www.cise.ufl.edu/~davis/colamd/colamd.h
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for use in the colamd.c, colamdmex.c, and symamdmex.c files located at
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http://www.cise.ufl.edu/~davis/colamd/
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See those files for a description of colamd and symamd, and for the
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copyright notice, which also applies to this file.
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August 3, 1998. Version 1.0.
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*/
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/* ========================================================================== */
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/* === Definitions ========================================================== */
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/* ========================================================================== */
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/* size of the knobs [ ] array. Only knobs [0..1] are currently used. */
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#define COLAMD_KNOBS 20
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/* number of output statistics. Only A [0..2] are currently used. */
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#define COLAMD_STATS 20
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/* knobs [0] and A [0]: dense row knob and output statistic. */
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#define COLAMD_DENSE_ROW 0
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/* knobs [1] and A [1]: dense column knob and output statistic. */
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#define COLAMD_DENSE_COL 1
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/* A [2]: memory defragmentation count output statistic */
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#define COLAMD_DEFRAG_COUNT 2
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/* A [3]: whether or not the input columns were jumbled or had duplicates */
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#define COLAMD_JUMBLED_COLS 3
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/* ========================================================================== */
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/* === Prototypes of user-callable routines ================================= */
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/* ========================================================================== */
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int colamd_recommended /* returns recommended value of Alen */
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(
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int nnz, /* nonzeros in A */
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int n_row, /* number of rows in A */
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int n_col /* number of columns in A */
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) ;
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void colamd_set_defaults /* sets default parameters */
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( /* knobs argument is modified on output */
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double knobs [COLAMD_KNOBS] /* parameter settings for colamd */
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) ;
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int colamd /* returns TRUE if successful, FALSE otherwise*/
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( /* A and p arguments are modified on output */
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int n_row, /* number of rows in A */
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int n_col, /* number of columns in A */
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int Alen, /* size of the array A */
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int A [], /* row indices of A, of size Alen */
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int p [], /* column pointers of A, of size n_col+1 */
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double knobs [COLAMD_KNOBS] /* parameter settings for colamd */
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) ;
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