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ieeefp.h revision 1.1
      1 /*	$NetBSD: ieeefp.h,v 1.1 2001/01/10 19:02:06 bjh21 Exp $	*/
      2 
      3 /*
      4  * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
      5  * Public domain.
      6  */
      7 
      8 #ifndef _ARM32_IEEEFP_H_
      9 #define _ARM32_IEEEFP_H_
     10 
     11 /* FP exception codes */
     12 
     13 #define FP_EXCEPT_INV	0
     14 #define FP_EXCEPT_DZ	1
     15 #define FP_EXCEPT_OFL	2
     16 #define FP_EXCEPT_UFL	3
     17 #define FP_EXCEPT_IMP	4
     18 
     19 /* Exception type (used by fpsetmask() et al.) */
     20 
     21 typedef int fp_except;
     22 
     23 /* Bit defines for fp_except */
     24 
     25 #define	FP_X_INV	(1 << FP_EXCEPT_INV)	/* invalid operation exception */
     26 #define	FP_X_DZ		(1 << FP_EXCEPT_DZ)	/* divide-by-zero exception */
     27 #define	FP_X_OFL	(1 << FP_EXCEPT_OFL)	/* overflow exception */
     28 #define	FP_X_UFL	(1 << FP_EXCEPT_UFL)	/* underflow exception */
     29 #define	FP_X_IMP	(1 << FP_EXCEPT_IMP)	/* imprecise (loss of precision; "inexact") */
     30 
     31 /* Rounding modes */
     32 
     33 typedef enum {
     34     FP_RN=0,			/* round to nearest representable number */
     35     FP_RP=1,			/* round toward positive infinity */
     36     FP_RM=2,			/* round toward negative infinity */
     37     FP_RZ=3			/* round to zero (truncate) */
     38 } fp_rnd;
     39 
     40 #endif /* _ARM32_IEEEFP_H_ */
     41