text: /*	$NetBSD: fpu_extern.h,v 1.1 1996/03/14 19:41:56 christos Exp $	*/
  
  /*
   * Copyright (c) 1995 Christos Zoulas.  All rights reserved.
   *
   * 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 Christos Zoulas.
   * 4. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
   */
  
  struct proc;
  struct fpstate;
  struct trapframe;
  union instr;
  struct fpemu;
  struct fpn;
  
  /* fpu.c */
  void fpu_cleanup __P((struct proc *, struct fpstate *));
  int fpu_emulate __P((struct proc *, struct trapframe *, struct fpstate *));
  int fpu_execute __P((struct fpemu *, union instr));
  
  /* fpu_add.c */
  struct fpn *fpu_add __P((struct fpemu *));
  
  /* fpu_compare.c */
  void fpu_compare __P((struct fpemu *, int));
  
  /* fpu_div.c */
  struct fpn *fpu_div __P((struct fpemu *));
  
  /* fpu_explode.c */
  int fpu_itof __P((struct fpn *, u_int));
  int fpu_stof __P((struct fpn *, u_int));
  int fpu_dtof __P((struct fpn *, u_int, u_int ));
  int fpu_xtof __P((struct fpn *, u_int, u_int , u_int , u_int ));
  void fpu_explode __P((struct fpemu *, struct fpn *, int, int ));
  
  /* fpu_implode.c */
  u_int fpu_ftoi __P((struct fpemu *, struct fpn *));
  u_int fpu_ftos __P((struct fpemu *, struct fpn *));
  u_int fpu_ftod __P((struct fpemu *, struct fpn *, u_int *));
  u_int fpu_ftox __P((struct fpemu *, struct fpn *, u_int *));
  void fpu_implode __P((struct fpemu *, struct fpn *, int, u_int *));
  
  /* fpu_mul.c */
  struct fpn *fpu_mul __P((struct fpemu *));
  
  /* fpu_sqrt.c */
  struct fpn *fpu_sqrt __P((struct fpemu *));
  
  /* fpu_subr.c */
  int fpu_shr __P((register struct fpn *, register int));
  void fpu_norm __P((register struct fpn *));
  struct fpn *fpu_newnan __P((register struct fpemu *));
  