1 /* ieee-utils/fp-sunos4.c
3 * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Brian Gough
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or (at
8 * your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 #include <sys/ieeefp.h>
21 #include <floatingpoint.h>
23 #include <gsl/gsl_ieee_utils.h>
24 #include <gsl/gsl_errno.h>
27 gsl_ieee_set_mode (int precision, int rounding, int exception_mask)
33 case GSL_IEEE_SINGLE_PRECISION:
34 ieee_flags ("set", "precision", "single", out) ;
36 case GSL_IEEE_DOUBLE_PRECISION:
37 ieee_flags ("set", "precision", "double", out) ;
39 case GSL_IEEE_EXTENDED_PRECISION:
40 ieee_flags ("set", "precision", "extended", out) ;
43 ieee_flags ("set", "precision", "extended", out) ;
48 case GSL_IEEE_ROUND_TO_NEAREST:
49 ieee_flags ("set", "direction", "nearest", out) ;
51 case GSL_IEEE_ROUND_DOWN:
52 ieee_flags ("set", "direction", "negative", out) ;
54 case GSL_IEEE_ROUND_UP:
55 ieee_flags ("set", "direction", "positive", out) ;
57 case GSL_IEEE_ROUND_TO_ZERO:
58 ieee_flags ("set", "direction", "tozero", out) ;
61 ieee_flags ("set", "direction", "nearest", out) ;
64 if (exception_mask & GSL_IEEE_MASK_INVALID)
66 ieee_handler ("set", "invalid", SIGFPE_IGNORE) ;
70 ieee_handler ("set", "invalid", SIGFPE_ABORT) ;
73 if (exception_mask & GSL_IEEE_MASK_DENORMALIZED)
75 ieee_handler ("set", "denormalized", SIGFPE_IGNORE) ;
79 GSL_ERROR ("sunos4 does not support the denormalized operand exception. "
80 "Use 'mask-denormalized' to work around this.",
85 if (exception_mask & GSL_IEEE_MASK_DIVISION_BY_ZERO)
87 ieee_handler ("set", "division", SIGFPE_IGNORE) ;
91 ieee_handler ("set", "division", SIGFPE_ABORT) ;
94 if (exception_mask & GSL_IEEE_MASK_OVERFLOW)
96 ieee_handler ("set", "overflow", SIGFPE_IGNORE) ;
100 ieee_handler ("set", "overflow", SIGFPE_ABORT) ;
103 if (exception_mask & GSL_IEEE_MASK_UNDERFLOW)
105 ieee_handler ("set", "underflow", SIGFPE_IGNORE) ;
109 ieee_handler ("set", "underflow", SIGFPE_ABORT) ;
112 if (exception_mask & GSL_IEEE_TRAP_INEXACT)
114 ieee_handler ("set", "inexact", SIGFPE_ABORT) ;
118 ieee_handler ("set", "inexact", SIGFPE_IGNORE) ;