1/* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#include "DEFS.h" 31 32#if defined(LIBC_SCCS) && !defined(lint) 33 /* .asciz "@(#)modf.s 8.1 (Berkeley) 6/4/93" */ 34RCSID("$NetBSD: modf.S,v 1.5 2011/01/25 02:38:15 matt Exp $") 35#endif /* LIBC_SCCS and not lint */ 36 37/* 38 * double modf (value, iptr) 39 * double value, *iptr; 40 * 41 * Modf returns the fractional part of "value", 42 * and stores the integer part indirectly through "iptr". 43 */ 44 45ENTRY(modf, 0) 46 emodd 4(%ap),$0,$0f1.0,%r2,%r0 47 jvs 1f # integer overflow 48 cvtld %r2,*12(%ap) 49 ret 501: 51 subd3 %r0,4(%ap),*12(%ap) 52 ret 53END(modf) 54 55ENTRY(modff, 0) 56 emodf 4(%ap),$0,$0f1.0,%r2,%r0 57 jvs 1f # integer overflow 58 cvtlf %r2,*8(%ap) 59 ret 601: 61 subf3 %r0,4(%ap),*8(%ap) 62 ret 63END(modff) 64