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- /* @(#)ieee.h 1.4 88/02/08 SMI */
-
- /*
- * Copyright (c) 1987 by Sun Microsystems, Inc.
- */
- /*
- * This whole file refuses to lint.
- */
- #ifndef lint
-
- /* Sparc IEEE floating-point support PUBLIC include file. */
-
- /* PUBLIC CONSTANTS */
-
- /* PUBLIC TYPES */
-
- /* IEEE Arithmetic types... numbered to correspond to fsr fields. */
-
- enum fp_rounding_direction /* rounding direction */
- {
- fp_rd_nearest = 0,
- fp_rd_zero = 1,
- fp_rd_plus = 2,
- fp_rd_minus = 3
- } ;
-
- enum fp_rounding_precision /* extended rounding precision */
- {
- fp_rp_extended = 0,
- fp_rp_single = 1,
- fp_rp_double = 2,
- fp_rp_3 = 3
- } ;
-
- enum fp_exception_type /* exceptions according to cexc bit number */
- {
- fp_inexact = 0,
- fp_divide = 1,
- fp_underflow = 2,
- fp_overflow = 3,
- fp_invalid = 4
- } ;
-
- enum fp_class_type /* floating-point classes according to fclass */
- {
- fp_zero = 0,
- fp_normal = 1, /* Includes subnormal. */
- fp_infinity = 2,
- fp_nan = 3, /* Includes quiet and signaling NaN. */
- } ;
-
- /* PUBLIC GLOBAL VARIABLES */
-
- unsigned fp_accrued_exceptions ; /* Sticky accumulated exceptions. */
-
- /* PUBLIC FUNCTIONS */
-
- extern enum fp_rounding_direction swap_rounding_direction( /* rd */ ) ;
- /*
- extern enum fp_rounding_direction rd ;
-
- /* Change rounding mode; return previous. */
-
- extern int swap_accrued_exceptions ( /* x */ ) ;
- /*
- int x ;
-
- /* Change accrued exceptions ; return previous. */
-
-
- #endif /* lint */
-