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Annotation of sys/arch/arm/include/ieeefp.h, Revision 1.1.1.1

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_ */