/*
 * Copyright (c) 1985 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted provided
 * that: (1) source distributions retain this entire copyright notice and
 * comment, and (2) distributions including binaries display the following
 * acknowledgement:  ``This product includes software developed by the
 * University of California, Berkeley and its contributors'' in the
 * documentation or other materials provided with the distribution and in
 * all advertising materials mentioning features or use of this software.
 * Neither the name of the University nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)infnan.s	5.5 (Berkeley) 10/9/90
 */
	.data
	.align	2
_sccsid:
.asciz	"@(#)infnan.s	1.1 (Berkeley) 8/21/85; 5.5 (ucb.elefunt) 10/9/90"

/*
 * infnan(arg) int arg;
 * where arg :=    EDOM	if result is  NaN
 *	     :=  ERANGE	if result is +INF
 *	     := -ERANGE if result is -INF
 *
 * The Reserved Operand Fault is generated inside of this routine.
 */	
	.globl	_infnan
	.set	EDOM,33
	.set	ERANGE,34
	.text
	.align 1
___infnan:
	.word	0x0
	cmpl	4(ap),$ERANGE
	bneq	1f
	movl	$ERANGE,_errno
	brb	2f
1:	movl	$EDOM,_errno
2:	emodd	$0,$0,$0x8000,r0,r0	# generates the reserved operand fault
	ret