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Annotation of OpenXM_contrib/pari-2.2/src/headers/paristio.h, Revision 1.1.1.1

1.1       noro        1: /* $Id: paristio.h,v 1.8 2001/04/15 16:24:58 karim Exp $
                      2:
                      3: Copyright (C) 2000  The PARI group.
                      4:
                      5: This file is part of the PARI/GP package.
                      6:
                      7: PARI/GP is free software; you can redistribute it and/or modify it under the
                      8: terms of the GNU General Public License as published by the Free Software
                      9: Foundation. It is distributed in the hope that it will be useful, but WITHOUT
                     10: ANY WARRANTY WHATSOEVER.
                     11:
                     12: Check the License for details. You should have received a copy of it, along
                     13: with the package; see the file 'COPYING'. If not, write to the Free Software
                     14: Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
                     15:
                     16: /* This file contains memory and I/O management definitions       */
                     17:
                     18: typedef unsigned char *byteptr;
                     19:
                     20: typedef struct stackzone
                     21: {
                     22:   long zonetop, bot, top, avma, memused;
                     23: } stackzone;
                     24:
                     25: typedef struct entree {
                     26:   char *name;
                     27:   ulong valence;
                     28:   void *value;
                     29:   long menu;
                     30:   char *code;
                     31:   struct entree *next;
                     32:   char *help;
                     33:   void *args;
                     34: } entree;
                     35:
                     36: typedef struct PariOUT {
                     37:   void (*putch)(char);
                     38:   void (*puts)(char*);
                     39:   void (*flush)(void);     /* Finalize a report of a non fatal-error. */
                     40:   void (*die)(void);       /* If not-NULL, should be called to finalize
                     41:                           a report of a fatal error (no "\n" required). */
                     42: } PariOUT;
                     43:
                     44: typedef struct pariFILE {
                     45:   FILE *file;
                     46:   int type;
                     47:   char *name;
                     48:   struct pariFILE* prev;
                     49:   struct pariFILE* next;
                     50: } pariFILE;
                     51: /* Common global variables: */
                     52:
                     53: extern PariOUT *pariOut, *pariErr;
                     54: extern FILE    *pari_outfile, *logfile, *infile, *errfile;
                     55:
                     56: extern ulong avma,bot,top,memused;
                     57: extern byteptr diffptr;
                     58: extern entree  **varentries;
                     59: extern char    *errmessage[], *current_psfile;
                     60:
                     61: #define is_universal_constant(x) ((GEN)(x) >= gzero && (GEN)(x) <= gi)
                     62:
                     63: #define copyifstack(x,y) {ulong t=(ulong)(x); \
                     64:                          (y)=(t>=bot &&t<top)? lcopy((GEN)t): t;}
                     65: #define icopyifstack(x,y) {ulong t=(ulong)(x); \
                     66:                          (y)=(t>=bot &&t<top)? licopy((GEN)t): t;}
                     67: #define isonstack(x) ((ulong)(x)>=bot && (ulong)(x)<top)
                     68:
                     69: /* Define this to (1) locally (in a given file, NOT here) to check
                     70:  * "random" garbage collecting
                     71:  */
                     72: #ifdef DYNAMIC_STACK
                     73: #  define low_stack(x,l) (avma < (ulong)(l))
                     74: #else
                     75: #  define low_stack(x,l) (avma < (ulong)(x))
                     76: #endif
                     77:
                     78: #define stack_lim(av,n) (bot + (((av)-bot)>>(n)))
                     79:
                     80: #ifndef SIG_IGN
                     81: #  define SIG_IGN (void(*)())1
                     82: #endif
                     83: #ifndef SIGINT
                     84: #  define SIGINT 2
                     85: #endif