ieeefp.h revision 1.7.42.1 1 /* $NetBSD: ieeefp.h,v 1.7.42.1 2015/12/27 12:09:37 skrll Exp $ */
2
3 /*
4 * Written by J.T. Conklin, Apr 6, 1995
5 * Modified by Jason R. Thorpe, June 22, 2003
6 * Public domain.
7 */
8
9 #ifndef _M68K_IEEEFP_H_
10 #define _M68K_IEEEFP_H_
11
12 #include <sys/featuretest.h>
13
14 #if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
15
16 #include <m68k/fenv.h>
17
18 #if !defined(_ISOC99_SOURCE)
19
20 typedef int fp_except;
21
22 #define FP_X_IMP FE_INEXACT /* imprecise (loss of precision) */
23 #define FP_X_DZ FE_DIVBYZERO /* divide-by-zero exception */
24 #define FP_X_UFL FE_UNDERFLOW /* underflow exception */
25 #define FP_X_OFL FE_OVERFLOW /* overflow exception */
26 #define FP_X_INV FE_INVALID /* invalid operation exception */
27
28 typedef enum {
29 FP_RN=FE_TONEAREST, /* round to nearest representable number */
30 FP_RZ=FE_TOWARDZERO, /* round to zero (truncate) */
31 FP_RM=FE_DOWNWARD, /* round toward negative infinity */
32 FP_RP=FE_UPWARD /* round toward positive infinity */
33 } fp_rnd;
34
35 typedef enum {
36 FP_PE=0, /* extended-precision (64-bit) */
37 FP_PS=1, /* single-precision (24-bit) */
38 FP_PD=2 /* double-precision (53-bit) */
39 } fp_prec;
40
41 #endif /* !_ISOC99_SOURCE */
42
43 #define __HAVE_FP_PREC
44
45 #endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
46
47 #endif /* _M68K_IEEEFP_H_ */
48