/usr/include/suitesparse/amd_internal.h is in libsuitesparse-dev 1:4.2.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* === amd_internal.h ====================================================== */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
/* AMD, Copyright (c) Timothy A. Davis, */
/* Patrick R. Amestoy, and Iain S. Duff. See ../README.txt for License. */
/* email: DrTimothyAldenDavis@gmail.com */
/* ------------------------------------------------------------------------- */
/* This file is for internal use in AMD itself, and does not normally need to
* be included in user code (it is included in UMFPACK, however). All others
* should use amd.h instead.
*
* The following compile-time definitions affect how AMD is compiled.
*
* -DNPRINT
*
* Disable all printing. stdio.h will not be included. Printing can
* be re-enabled at run-time by setting the global pointer amd_printf
* to printf (or mexPrintf for a MATLAB mexFunction).
*
* -DNMALLOC
*
* No memory manager is defined at compile-time. You MUST define the
* function pointers amd_malloc, amd_free, amd_realloc, and
* amd_calloc at run-time for AMD to work properly.
*/
/* ========================================================================= */
/* === NDEBUG ============================================================== */
/* ========================================================================= */
/*
* Turning on debugging takes some work (see below). If you do not edit this
* file, then debugging is always turned off, regardless of whether or not
* -DNDEBUG is specified in your compiler options.
*
* If AMD is being compiled as a mexFunction, then MATLAB_MEX_FILE is defined,
* and mxAssert is used instead of assert. If debugging is not enabled, no
* MATLAB include files or functions are used. Thus, the AMD library libamd.a
* can be safely used in either a stand-alone C program or in another
* mexFunction, without any change.
*/
/*
AMD will be exceedingly slow when running in debug mode. The next three
lines ensure that debugging is turned off.
*/
#ifndef NDEBUG
#define NDEBUG
#endif
/*
To enable debugging, uncomment the following line:
#undef NDEBUG
*/
/* ------------------------------------------------------------------------- */
/* ANSI include files */
/* ------------------------------------------------------------------------- */
/* from stdlib.h: size_t, malloc, free, realloc, and calloc */
#include <stdlib.h>
#if !defined(NPRINT) || !defined(NDEBUG)
/* from stdio.h: printf. Not included if NPRINT is defined at compile time.
* fopen and fscanf are used when debugging. */
#include <stdio.h>
#endif
/* from limits.h: INT_MAX and LONG_MAX */
#include <limits.h>
/* from math.h: sqrt */
#include <math.h>
/* ------------------------------------------------------------------------- */
/* MATLAB include files (only if being used in or via MATLAB) */
/* ------------------------------------------------------------------------- */
#ifdef MATLAB_MEX_FILE
#include "matrix.h"
#include "mex.h"
#endif
/* ------------------------------------------------------------------------- */
/* basic definitions */
/* ------------------------------------------------------------------------- */
#ifdef FLIP
#undef FLIP
#endif
#ifdef MAX
#undef MAX
#endif
#ifdef MIN
#undef MIN
#endif
#ifdef EMPTY
#undef EMPTY
#endif
#ifdef GLOBAL
#undef GLOBAL
#endif
#ifdef PRIVATE
#undef PRIVATE
#endif
/* FLIP is a "negation about -1", and is used to mark an integer i that is
* normally non-negative. FLIP (EMPTY) is EMPTY. FLIP of a number > EMPTY
* is negative, and FLIP of a number < EMTPY is positive. FLIP (FLIP (i)) = i
* for all integers i. UNFLIP (i) is >= EMPTY. */
#define EMPTY (-1)
#define FLIP(i) (-(i)-2)
#define UNFLIP(i) ((i < EMPTY) ? FLIP (i) : (i))
/* for integer MAX/MIN, or for doubles when we don't care how NaN's behave: */
#define MAX(a,b) (((a) > (b)) ? (a) : (b))
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
/* logical expression of p implies q: */
#define IMPLIES(p,q) (!(p) || (q))
/* Note that the IBM RS 6000 xlc predefines TRUE and FALSE in <types.h>. */
/* The Compaq Alpha also predefines TRUE and FALSE. */
#ifdef TRUE
#undef TRUE
#endif
#ifdef FALSE
#undef FALSE
#endif
#define TRUE (1)
#define FALSE (0)
#define PRIVATE static
#define GLOBAL
#define EMPTY (-1)
/* Note that Linux's gcc 2.96 defines NULL as ((void *) 0), but other */
/* compilers (even gcc 2.95.2 on Solaris) define NULL as 0 or (0). We */
/* need to use the ANSI standard value of 0. */
#ifdef NULL
#undef NULL
#endif
#define NULL 0
/* largest value of size_t */
#ifndef SIZE_T_MAX
#ifdef SIZE_MAX
/* C99 only */
#define SIZE_T_MAX SIZE_MAX
#else
#define SIZE_T_MAX ((size_t) (-1))
#endif
#endif
/* ------------------------------------------------------------------------- */
/* integer type for AMD: int or SuiteSparse_long */
/* ------------------------------------------------------------------------- */
#include "amd.h"
#if defined (DLONG) || defined (ZLONG)
#define Int SuiteSparse_long
#define ID SuiteSparse_long_id
#define Int_MAX SuiteSparse_long_max
#define AMD_order amd_l_order
#define AMD_defaults amd_l_defaults
#define AMD_control amd_l_control
#define AMD_info amd_l_info
#define AMD_1 amd_l1
#define AMD_2 amd_l2
#define AMD_valid amd_l_valid
#define AMD_aat amd_l_aat
#define AMD_postorder amd_l_postorder
#define AMD_post_tree amd_l_post_tree
#define AMD_dump amd_l_dump
#define AMD_debug amd_l_debug
#define AMD_debug_init amd_l_debug_init
#define AMD_preprocess amd_l_preprocess
#else
#define Int int
#define ID "%d"
#define Int_MAX INT_MAX
#define AMD_order amd_order
#define AMD_defaults amd_defaults
#define AMD_control amd_control
#define AMD_info amd_info
#define AMD_1 amd_1
#define AMD_2 amd_2
#define AMD_valid amd_valid
#define AMD_aat amd_aat
#define AMD_postorder amd_postorder
#define AMD_post_tree amd_post_tree
#define AMD_dump amd_dump
#define AMD_debug amd_debug
#define AMD_debug_init amd_debug_init
#define AMD_preprocess amd_preprocess
#endif
/* ========================================================================= */
/* === PRINTF macro ======================================================== */
/* ========================================================================= */
/* All output goes through the PRINTF macro. */
#define PRINTF(params) { if (amd_printf != NULL) (void) amd_printf params ; }
/* ------------------------------------------------------------------------- */
/* AMD routine definitions (not user-callable) */
/* ------------------------------------------------------------------------- */
GLOBAL size_t AMD_aat
(
Int n,
const Int Ap [ ],
const Int Ai [ ],
Int Len [ ],
Int Tp [ ],
double Info [ ]
) ;
GLOBAL void AMD_1
(
Int n,
const Int Ap [ ],
const Int Ai [ ],
Int P [ ],
Int Pinv [ ],
Int Len [ ],
Int slen,
Int S [ ],
double Control [ ],
double Info [ ]
) ;
GLOBAL void AMD_postorder
(
Int nn,
Int Parent [ ],
Int Npiv [ ],
Int Fsize [ ],
Int Order [ ],
Int Child [ ],
Int Sibling [ ],
Int Stack [ ]
) ;
GLOBAL Int AMD_post_tree
(
Int root,
Int k,
Int Child [ ],
const Int Sibling [ ],
Int Order [ ],
Int Stack [ ]
#ifndef NDEBUG
, Int nn
#endif
) ;
GLOBAL void AMD_preprocess
(
Int n,
const Int Ap [ ],
const Int Ai [ ],
Int Rp [ ],
Int Ri [ ],
Int W [ ],
Int Flag [ ]
) ;
/* ------------------------------------------------------------------------- */
/* debugging definitions */
/* ------------------------------------------------------------------------- */
#ifndef NDEBUG
/* from assert.h: assert macro */
#include <assert.h>
#ifndef EXTERN
#define EXTERN extern
#endif
EXTERN Int AMD_debug ;
GLOBAL void AMD_debug_init ( char *s ) ;
GLOBAL void AMD_dump
(
Int n,
Int Pe [ ],
Int Iw [ ],
Int Len [ ],
Int iwlen,
Int pfree,
Int Nv [ ],
Int Next [ ],
Int Last [ ],
Int Head [ ],
Int Elen [ ],
Int Degree [ ],
Int W [ ],
Int nel
) ;
#ifdef ASSERT
#undef ASSERT
#endif
/* Use mxAssert if AMD is compiled into a mexFunction */
#ifdef MATLAB_MEX_FILE
#define ASSERT(expression) (mxAssert ((expression), ""))
#else
#define ASSERT(expression) (assert (expression))
#endif
#define AMD_DEBUG0(params) { PRINTF (params) ; }
#define AMD_DEBUG1(params) { if (AMD_debug >= 1) PRINTF (params) ; }
#define AMD_DEBUG2(params) { if (AMD_debug >= 2) PRINTF (params) ; }
#define AMD_DEBUG3(params) { if (AMD_debug >= 3) PRINTF (params) ; }
#define AMD_DEBUG4(params) { if (AMD_debug >= 4) PRINTF (params) ; }
#else
/* no debugging */
#define ASSERT(expression)
#define AMD_DEBUG0(params)
#define AMD_DEBUG1(params)
#define AMD_DEBUG2(params)
#define AMD_DEBUG3(params)
#define AMD_DEBUG4(params)
#endif
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