/* Mac control information - included as part of trans.h 
   It is broken out to allow use with ASM68 files*/

/* Control word for computation of transcendentals */


#define ICW	   (IPC_64 + IRC_NEAR)

#define IMCW	   (IMCW_RC +  IMCW_PC)

#ifdef SANE

#define IMCW_EM 	0x001f	/* interrupt Exception Masks */
#define IEM_INVALID	0x0001	/*   invalid */
#define IEM_ZERODIVIDE	0x0008	/*   zero divide */
#define IEM_OVERFLOW	0x0004	/*   overflow */
#define IEM_UNDERFLOW	0x0002	/*   underflow */
#define IEM_INEXACT	0x0010	/*   inexact (precision) */


#define IMCW_RC	0x6000	 	/* Rounding Control */
#define IRC_CHOP	0x6000	/*   chop */
#define IRC_UP		0x2000	/*   up */
#define IRC_DOWN	0x4000	/*   down */
#define IRC_NEAR	0x0000	/*   near */

#define IMSW		0x1f00	/* status bits mask */
#define ISW_INVALID	0x0100	/* invalid */
#define ISW_ZERODIVIDE	0x0800	/* zero divide */
#define ISW_OVERFLOW	0x0400	/* overflow */
#define ISW_UNDERFLOW	0x0200	/* underflow */
#define ISW_INEXACT	0x1000	/* inexact (precision) */

#define IMCW_PC 	0x0060	/* Precision Control */
#define IPC_24		0x0040	/*    24 bits */
#define IPC_53		0x0020	/*    53 bits */
#define IPC_64		0x0000	/*    64 bits */

#else

#define IMCW_EM 	0xff00	/* interrupt Exception Masks */
#define IEM_INVALID	0xe000	/*   invalid */
#define IEM_ZERODIVIDE	0x0400	/*   zero divide */
#define IEM_OVERFLOW	0x1000	/*   overflow */
#define IEM_UNDERFLOW	0x0800	/*   underflow */
#define IEM_INEXACT	0x0300	/*   inexact (precision) */


#define IMCW_RC		0x0030	/* Rounding Control */
#define IRC_CHOP	0x0010	/*   chop */
#define IRC_UP		0x0030	/*   up */
#define IRC_DOWN	0x0020	/*   down */
#define IRC_NEAR	0x0000	/*   near */

#define ISW_INVALID	0x0080	/* invalid */
#define ISW_ZERODIVIDE	0x0010	/* zero divide */
#define ISW_OVERFLOW	0x0040	/* overflow */
#define ISW_UNDERFLOW	0x0020	/* underflow */
#define ISW_INEXACT	0x0008	/* inexact (precision) */

#define IMCW_PC 	0x00c0	/* Precision Control */
#define IPC_24		0x0040	/*    24 bits */
#define IPC_53		0x0080	/*    53 bits */
#define IPC_64		0x0000	/*    64 bits */

#endif