fixsfdi.c revision 1.5 
11.5Smatt/*	$NetBSD: fixsfdi.c,v 1.5 2012/08/05 04:28:58 matt Exp $	*/
21.2Scgd
31.1Smycroft/*-
41.1Smycroft * Copyright (c) 1992 The Regents of the University of California.
51.1Smycroft * All rights reserved.
61.1Smycroft *
71.1Smycroft * This software was developed by the Computer Systems Engineering group
81.1Smycroft * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
91.1Smycroft * contributed to Berkeley.
101.1Smycroft *
111.1Smycroft * Redistribution and use in source and binary forms, with or without
121.1Smycroft * modification, are permitted provided that the following conditions
131.1Smycroft * are met:
141.1Smycroft * 1. Redistributions of source code must retain the above copyright
151.1Smycroft *    notice, this list of conditions and the following disclaimer.
161.1Smycroft * 2. Redistributions in binary form must reproduce the above copyright
171.1Smycroft *    notice, this list of conditions and the following disclaimer in the
181.1Smycroft *    documentation and/or other materials provided with the distribution.
191.4Sagc * 3. Neither the name of the University nor the names of its contributors
201.1Smycroft *    may be used to endorse or promote products derived from this software
211.1Smycroft *    without specific prior written permission.
221.1Smycroft *
231.1Smycroft * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
241.1Smycroft * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
251.1Smycroft * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
261.1Smycroft * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
271.1Smycroft * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
281.1Smycroft * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
291.1Smycroft * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
301.1Smycroft * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
311.1Smycroft * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
321.1Smycroft * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
331.1Smycroft * SUCH DAMAGE.
341.1Smycroft */
351.1Smycroft
361.3Schristos#include <sys/cdefs.h>
371.1Smycroft#if defined(LIBC_SCCS) && !defined(lint)
381.2Scgd#if 0
391.2Scgdstatic char sccsid[] = "@(#)fixsfdi.c	5.1 (Berkeley) 7/7/92";
401.2Scgd#else
411.5Smatt__RCSID("$NetBSD: fixsfdi.c,v 1.5 2012/08/05 04:28:58 matt Exp $");
421.2Scgd#endif
431.1Smycroft#endif /* LIBC_SCCS and not lint */
441.1Smycroft
451.5Smatt#ifdef SOFTFLOAT
461.5Smatt#include "softfloat/softfloat-for-gcc.h"
471.5Smatt#endif
481.5Smatt
491.1Smycroft#include "quad.h"
501.1Smycroft
511.1Smycroft/*
521.1Smycroft * Convert float to (signed) quad.
531.1Smycroft * We clamp anything that is out of range.
541.1Smycroft *
551.1Smycroft * N.B.: must use new ANSI syntax (sorry).
561.1Smycroft */
571.3Schristosquad_t
581.1Smycroft__fixsfdi(float x)
591.1Smycroft{
601.1Smycroft	if (x < 0)
611.1Smycroft		if (x <= QUAD_MIN)
621.1Smycroft			return (QUAD_MIN);
631.1Smycroft		else
641.1Smycroft			return ((quad_t)-(u_quad_t)-x);
651.1Smycroft	else
661.1Smycroft		if (x >= QUAD_MAX)
671.1Smycroft			return (QUAD_MAX);
681.1Smycroft		else
691.1Smycroft			return ((quad_t)(u_quad_t)x);
701.1Smycroft}
71