fixsfdi.c revision 1.2
11.2Scgd/* $NetBSD: fixsfdi.c,v 1.2 1995/02/27 17:29:56 cgd 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. 191.1Smycroft * 3. All advertising materials mentioning features or use of this software 201.1Smycroft * must display the following acknowledgement: 211.1Smycroft * This product includes software developed by the University of 221.1Smycroft * California, Berkeley and its contributors. 231.1Smycroft * 4. Neither the name of the University nor the names of its contributors 241.1Smycroft * may be used to endorse or promote products derived from this software 251.1Smycroft * without specific prior written permission. 261.1Smycroft * 271.1Smycroft * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 281.1Smycroft * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 291.1Smycroft * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 301.1Smycroft * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 311.1Smycroft * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 321.1Smycroft * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 331.1Smycroft * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 341.1Smycroft * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 351.1Smycroft * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 361.1Smycroft * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 371.1Smycroft * SUCH DAMAGE. 381.1Smycroft */ 391.1Smycroft 401.1Smycroft#if defined(LIBC_SCCS) && !defined(lint) 411.2Scgd#if 0 421.2Scgdstatic char sccsid[] = "@(#)fixsfdi.c 5.1 (Berkeley) 7/7/92"; 431.2Scgd#else 441.2Scgdstatic char rcsid[] = "$NetBSD: fixsfdi.c,v 1.2 1995/02/27 17:29:56 cgd Exp $"; 451.2Scgd#endif 461.1Smycroft#endif /* LIBC_SCCS and not lint */ 471.1Smycroft 481.1Smycroft#include "quad.h" 491.1Smycroft 501.1Smycroft/* 511.1Smycroft * Convert float to (signed) quad. 521.1Smycroft * We clamp anything that is out of range. 531.1Smycroft * 541.1Smycroft * N.B.: must use new ANSI syntax (sorry). 551.1Smycroft */ 561.1Smycroftlong long 571.1Smycroft__fixsfdi(float x) 581.1Smycroft{ 591.1Smycroft if (x < 0) 601.1Smycroft if (x <= QUAD_MIN) 611.1Smycroft return (QUAD_MIN); 621.1Smycroft else 631.1Smycroft return ((quad_t)-(u_quad_t)-x); 641.1Smycroft else 651.1Smycroft if (x >= QUAD_MAX) 661.1Smycroft return (QUAD_MAX); 671.1Smycroft else 681.1Smycroft return ((quad_t)(u_quad_t)x); 691.1Smycroft} 70