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  1. /*    Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis
  2.  *
  3.  *  This program is free software; you can redistribute it and/or modify
  4.  *  it under the terms of the GNU General Public License as published by
  5.  *  the Free Software Foundation; either version 2 of the License, or
  6.  *  (at your option) any later version.
  7.  *
  8.  *  This program is distributed in the hope that it will be useful,
  9.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11.  *  GNU General Public License for more details.
  12.  *
  13.  *  You should have received a copy of the GNU General Public License
  14.  *  along with this program; if not, write to the Free Software
  15.  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  16.  */
  17.  
  18.         /* Subroutines to process matrices */
  19.         /* messages: inconsistent_columns       */
  20.  
  21.         /* Translate error-laden raw matrix input into a standard form. */
  22. void rawmatrix(char *p)
  23. {
  24.     char *p1;
  25.     char lbuf[MAX_LINELEN+1], obuf[MAX_LINELEN+1];
  26.     int n, i, c=0, change=0;
  27.  
  28.     obuf[0]=0;
  29.     p1=find_word_start(p); if(p1>p) strcpy(p,p1);
  30.     strip_enclosing_par(p); strip_trailing_spaces(p);
  31.     if(*p==0) return;
  32.     rows2lines(p); n=linenum(p);
  33.     if(itemnum(p)<=1 && wordnum(p)>=2*n) change=1;
  34.     for(i=1;i<=n;i++) {
  35.         fnd_line(p,i,lbuf);
  36.         p1=find_word_start(lbuf); if(p1>lbuf) strcpy(lbuf,p1);
  37.         strip_enclosing_par(lbuf);
  38.         if(lbuf[0]==0) continue;
  39.                 /* Uniformize column separator to comma */
  40.         if(change) words2items(lbuf);
  41.         rawmath(lbuf);
  42.         if(i==1) {
  43.             strcpy(obuf,lbuf);
  44.             c=itemnum(lbuf);
  45.         }
  46.         else {
  47.             if(strlen(obuf)+strlen(lbuf)>=MAX_LINELEN-1)
  48.               user_error("cmd_output_too_long");
  49.             if(c!=itemnum(lbuf)) {
  50.                 force_setvar("wims_warn_rawmatrix","inconsistent_columns");
  51.                 return;
  52.             }
  53.             snprintf(obuf+strlen(obuf),sizeof(obuf)-strlen(obuf),
  54.                      "\n%s",lbuf);
  55.         }
  56.     }
  57.     strcpy(p,obuf);
  58. }
  59.  
  60.