50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
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Written by James Clark (jjc@jclark.com)
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This file is part of groff.
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groff is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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groff is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with groff; see the file COPYING. If not, write to the Free Software
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Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifndef lint
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static char rcsid[] = "$Id: matherr.c,v 1.2 1993/08/02 17:44:05 mycroft Exp $";
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#endif /* not lint */
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#include <math.h>
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#include <errno.h>
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#ifdef HAVE_STRUCT_EXCEPTION
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#ifdef TLOSS
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int matherr(exc)
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struct exception *exc;
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{
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switch (exc->type) {
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case SING:
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case DOMAIN:
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errno = EDOM;
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break;
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case OVERFLOW:
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case UNDERFLOW:
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case TLOSS:
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case PLOSS:
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errno = ERANGE;
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break;
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}
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return 1;
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}
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#endif /* TLOSS */
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#endif /* HAVE_STRUCT_EXCEPTION */
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