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/* ========================================================================= */
/* === AMD_control ========================================================= */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
/* AMD Version 1.1 (Jan. 21, 2004), Copyright (c) 2004 by Timothy A. Davis, */
/* Patrick R. Amestoy, and Iain S. Duff. See ../README for License. */
/* email: davis@cise.ufl.edu CISE Department, Univ. of Florida. */
/* web: http://www.cise.ufl.edu/research/sparse/amd */
/* ------------------------------------------------------------------------- */
/* User-callable. Prints the control parameters for AMD. See amd.h
* for details. If the Control array is not present, the defaults are
* printed instead.
*/
#include "amd_internal.h"
GLOBAL void AMD_control
(
double Control [ ]
)
{
double alpha ;
Int aggressive ;
if (Control != (double *) NULL)
{
alpha = Control [AMD_DENSE] ;
aggressive = Control [AMD_AGGRESSIVE] != 0 ;
}
else
{
alpha = AMD_DEFAULT_DENSE ;
aggressive = AMD_DEFAULT_AGGRESSIVE ;
}
PRINTF (("\namd: approximate minimum degree ordering, parameters:\n"
" dense row parameter: %g\n", alpha)) ;
if (alpha < 0)
{
PRINTF ((" no rows treated as dense\n")) ;
}
else
{
PRINTF ((
" (rows with more than max (%g * sqrt (n), 16) entries are\n"
" considered \"dense\", and placed last in output permutation)\n",
alpha)) ;
}
if (aggressive)
{
PRINTF ((" aggressive absorption: yes\n\n")) ;
}
else
{
PRINTF ((" aggressive absorption: no\n\n")) ;
}
}
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