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/* $OpenBSD: fpu_extern.h,v 1.2 2004/09/28 18:03:36 otto Exp $ */
/*-
* Copyright (c) 1995 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: fpu_extern.h,v 1.4 2000/08/03 18:32:08 eeh Exp $
* $FreeBSD: src/lib/libc/sparc64/fpu/fpu_extern.h,v 1.6 2002/04/27 21:56:28 jake Exp $
*/
#ifndef _SPARC64_FPU_FPU_EXTERN_H_
#define _SPARC64_FPU_FPU_EXTERN_H_
struct utrapframe;
union instr;
struct fpemu;
struct fpn;
/* fpu.c */
int __fpu_exception(struct utrapframe *tf);
/* fpu_add.c */
struct fpn *__fpu_add(struct fpemu *);
/* fpu_compare.c */
void __fpu_compare(struct fpemu *, int, int);
/* fpu_div.c */
struct fpn *__fpu_div(struct fpemu *);
/* fpu_explode.c */
int __fpu_itof(struct fpn *, u_int);
int __fpu_uitof(struct fpn *, u_int);
int __fpu_xtof(struct fpn *, u_int64_t);
int __fpu_uxtof(struct fpn *, u_int64_t);
int __fpu_stof(struct fpn *, u_int);
int __fpu_dtof(struct fpn *, u_int, u_int );
int __fpu_qtof(struct fpn *, u_int, u_int , u_int , u_int );
void __fpu_explode(struct fpemu *, struct fpn *, int, int );
/* fpu_implode.c */
u_int __fpu_ftoi(struct fpemu *, struct fpn *);
u_int __fpu_ftox(struct fpemu *, struct fpn *, u_int *);
u_int __fpu_ftos(struct fpemu *, struct fpn *);
u_int __fpu_ftod(struct fpemu *, struct fpn *, u_int *);
u_int __fpu_ftoq(struct fpemu *, struct fpn *, u_int *);
void __fpu_implode(struct fpemu *, struct fpn *, int, u_int *);
/* fpu_mul.c */
struct fpn *__fpu_mul(struct fpemu *);
/* fpu_sqrt.c */
struct fpn *__fpu_sqrt(struct fpemu *);
/* fpu_subr.c */
/*
* Shift a number right some number of bits, taking care of round/sticky.
* Note that the result is probably not a well-formed number (it will lack
* the normal 1-bit mant[0]&FP_1).
*/
int __fpu_shr(register struct fpn *, register int);
void __fpu_norm(register struct fpn *);
/* Build a new Quiet NaN (sign=0, frac=all 1's). */
struct fpn *__fpu_newnan(register struct fpemu *);
#endif /* !_SPARC64_FPU_FPU_EXTERN_H_ */
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