libgroff/matherr.c

   1 /* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
   2      Written by James Clark (jjc@jclark.com)
   3
   4 This file is part of groff.
   5
   6 groff is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 2, or (at your option) any later
   9 version.
  10
  11 groff is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License along
  17 with groff; see the file COPYING.  If not, write to the Free Software
  18 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
  19
  20 #include <math.h>
  21 #include <errno.h>
  22
  23 #ifdef TLOSS
  24
  25 int matherr(exc)
  26 struct exception *exc;
  27 {
  28   switch (exc->type) {
  29   case SING:
  30   case DOMAIN:
  31     errno = EDOM;
  32     break;
  33   case OVERFLOW:
  34   case UNDERFLOW:
  35   case TLOSS:
  36   case PLOSS:
  37     errno = ERANGE;
  38     break;
  39   }
  40   return 1;
  41 }
  42
  43 #endif /* TLOSS */
  44