Net2/usr/src/usr.bin/groff/libgroff/grot/matherr.c

Compare this file to the similar file:
Show the results in this format: 

/* Copyright (C) 1989, 1990 Free Software Foundation, Inc.
     Written by James Clark (jjc@jclark.uucp)

This file is part of groff.

groff is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 1, or (at your option) any later
version.

groff is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with groff; see the file LICENSE.  If not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */

#include <math.h>
#include <errno.h>

#ifdef TLOSS

int matherr(exc)
struct exception *exc;
{
  switch (exc->type) {
  case SING:
  case DOMAIN:
    errno = EDOM;
    break;
  case OVERFLOW:
  case UNDERFLOW:
  case TLOSS:
  case PLOSS:
    errno = ERANGE;
    break;
  }
  return 1;
}

#endif /* TLOSS */