86 lines
3.1 KiB
C
86 lines
3.1 KiB
C
/*-
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* Copyright (c) 1995 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $NetBSD: fpu_extern.h,v 1.4 2000/08/03 18:32:08 eeh Exp $
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* $FreeBSD$
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*/
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#ifndef _SPARC64_FPU_FPU_EXTERN_H_
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#define _SPARC64_FPU_FPU_EXTERN_H_
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struct utrapframe;
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struct fpemu;
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struct fpn;
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/* fpu.c */
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int __fpu_exception(struct utrapframe *tf);
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/* fpu_add.c */
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struct fpn *__fpu_add(struct fpemu *);
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/* fpu_compare.c */
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void __fpu_compare(struct fpemu *, int, int);
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/* fpu_div.c */
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struct fpn *__fpu_div(struct fpemu *);
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/* fpu_explode.c */
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int __fpu_itof(struct fpn *, u_int);
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int __fpu_xtof(struct fpn *, u_int64_t);
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int __fpu_stof(struct fpn *, u_int);
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int __fpu_dtof(struct fpn *, u_int, u_int);
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int __fpu_qtof(struct fpn *, u_int, u_int, u_int, u_int);
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void __fpu_explode(struct fpemu *, struct fpn *, int, int);
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/* fpu_implode.c */
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u_int __fpu_ftoi(struct fpemu *, struct fpn *);
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u_int __fpu_ftox(struct fpemu *, struct fpn *, u_int *);
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u_int __fpu_ftos(struct fpemu *, struct fpn *);
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u_int __fpu_ftod(struct fpemu *, struct fpn *, u_int *);
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u_int __fpu_ftoq(struct fpemu *, struct fpn *, u_int *);
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void __fpu_implode(struct fpemu *, struct fpn *, int, u_int *);
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/* fpu_mul.c */
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struct fpn *__fpu_mul(struct fpemu *);
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/* fpu_sqrt.c */
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struct fpn *__fpu_sqrt(struct fpemu *);
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/* fpu_subr.c */
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/*
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* Shift a number right some number of bits, taking care of round/sticky.
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* Note that the result is probably not a well-formed number (it will lack
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* the normal 1-bit mant[0]&FP_1).
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*/
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int __fpu_shr(register struct fpn *, register int);
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void __fpu_norm(register struct fpn *);
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/* Build a new Quiet NaN (sign=0, frac=all 1's). */
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struct fpn *__fpu_newnan(register struct fpemu *);
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#endif /* !_SPARC64_FPU_FPU_EXTERN_H_ */
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