Annotation of sys/arch/arm/include/ieeefp.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ieeefp.h,v 1.1 2004/02/01 05:09:49 drahn Exp $ */
! 2: /* $NetBSD: ieeefp.h,v 1.1 2001/01/10 19:02:06 bjh21 Exp $ */
! 3:
! 4: /*
! 5: * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
! 6: * Public domain.
! 7: */
! 8:
! 9: #ifndef _ARM32_IEEEFP_H_
! 10: #define _ARM32_IEEEFP_H_
! 11:
! 12: /* FP exception codes */
! 13:
! 14: #define FP_EXCEPT_INV 0
! 15: #define FP_EXCEPT_DZ 1
! 16: #define FP_EXCEPT_OFL 2
! 17: #define FP_EXCEPT_UFL 3
! 18: #define FP_EXCEPT_IMP 4
! 19:
! 20: /* Exception type (used by fpsetmask() et al.) */
! 21:
! 22: typedef int fp_except;
! 23:
! 24: /* Bit defines for fp_except */
! 25:
! 26: #define FP_X_INV (1 << FP_EXCEPT_INV) /* invalid operation exception */
! 27: #define FP_X_DZ (1 << FP_EXCEPT_DZ) /* divide-by-zero exception */
! 28: #define FP_X_OFL (1 << FP_EXCEPT_OFL) /* overflow exception */
! 29: #define FP_X_UFL (1 << FP_EXCEPT_UFL) /* underflow exception */
! 30: #define FP_X_IMP (1 << FP_EXCEPT_IMP) /* imprecise (loss of precision; "inexact") */
! 31:
! 32: /* Rounding modes */
! 33:
! 34: typedef enum {
! 35: FP_RN=0, /* round to nearest representable number */
! 36: FP_RP=1, /* round toward positive infinity */
! 37: FP_RM=2, /* round toward negative infinity */
! 38: FP_RZ=3 /* round to zero (truncate) */
! 39: } fp_rnd;
! 40:
! 41: #endif /* _ARM32_IEEEFP_H_ */
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