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422234dc3   daniau   git-svn-id: https... 
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  /* ========================================================================= */
  /* === amd_global ========================================================== */
  /* ========================================================================= */
  
  /* ------------------------------------------------------------------------- */
  /* AMD, Copyright (c) Timothy A. Davis,					     */
  /* Patrick R. Amestoy, and Iain S. Duff.  See ../README.txt for License.     */
  /* email: davis at cise.ufl.edu    CISE Department, Univ. of Florida.        */
  /* web: http://www.cise.ufl.edu/research/sparse/amd                          */
  /* ------------------------------------------------------------------------- */
  
  #include <stdlib.h>
  
  #ifdef MATLAB_MEX_FILE
  #include "mex.h"
  #include "matrix.h"
  #endif
  
  #ifndef NULL
  #define NULL 0
  #endif
  
  /* ========================================================================= */
  /* === Default AMD memory manager ========================================== */
  /* ========================================================================= */
  
  /* The user can redefine these global pointers at run-time to change the memory
   * manager used by AMD.  AMD only uses malloc and free; realloc and calloc are
   * include for completeness, in case another package wants to use the same
   * memory manager as AMD.
   *
   * If compiling as a MATLAB mexFunction, the default memory manager is mxMalloc.
   * You can also compile AMD as a standard ANSI-C library and link a mexFunction
   * against it, and then redefine these pointers at run-time, in your
   * mexFunction.
   *
   * If -DNMALLOC is defined at compile-time, no memory manager is specified at
   * compile-time.  You must then define these functions at run-time, before
   * calling AMD, for AMD to work properly.
   */
  
  #ifndef NMALLOC
  #ifdef MATLAB_MEX_FILE
  /* MATLAB mexFunction: */
  void *(*amd_malloc) (size_t) = mxMalloc ;
  void (*amd_free) (void *) = mxFree ;
  void *(*amd_realloc) (void *, size_t) = mxRealloc ;
  void *(*amd_calloc) (size_t, size_t) = mxCalloc ;
  #else
  /* standard ANSI-C: */
  void *(*amd_malloc) (size_t) = malloc ;
  void (*amd_free) (void *) = free ;
  void *(*amd_realloc) (void *, size_t) = realloc ;
  void *(*amd_calloc) (size_t, size_t) = calloc ;
  #endif
  #else
  /* no memory manager defined at compile-time; you MUST define one at run-time */
  void *(*amd_malloc) (size_t) = NULL ;
  void (*amd_free) (void *) = NULL ;
  void *(*amd_realloc) (void *, size_t) = NULL ;
  void *(*amd_calloc) (size_t, size_t) = NULL ;
  #endif
  
  /* ========================================================================= */
  /* === Default AMD printf routine ========================================== */
  /* ========================================================================= */
  
  /* The user can redefine this global pointer at run-time to change the printf
   * routine used by AMD.  If NULL, no printing occurs.  
   *
   * If -DNPRINT is defined at compile-time, stdio.h is not included.  Printing
   * can then be enabled at run-time by setting amd_printf to a non-NULL function.
   */
  
  #ifndef NPRINT
  #ifdef MATLAB_MEX_FILE
  int (*amd_printf) (const char *, ...) = mexPrintf ;
  #else
  #include <stdio.h>
  int (*amd_printf) (const char *, ...) = printf ;
  #endif
  #else
  int (*amd_printf) (const char *, ...) = NULL ;
  #endif