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#if defined(LIBC_SCCS) && !defined(lint) 31 /* .asciz "@(#)modf.s 8.1 (Berkeley) 6/4/93" */ 32 .asciz "$NetBSD: modf.S,v 1.4 2003/08/07 16:42:31 agc Exp $" 33#endif /* LIBC_SCCS and not lint */ 34 35/* 36 * double modf (value, iptr) 37 * double value, *iptr; 38 * 39 * Modf returns the fractional part of "value", 40 * and stores the integer part indirectly through "iptr". 41 */ 42 43#include "DEFS.h" 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 53 54ENTRY(modff, 0) 55 emodf 4(%ap),$0,$0f1.0,%r2,%r0 56 jvs 1f # integer overflow 57 cvtlf %r2,*8(%ap) 58 ret 591: 60 subf3 %r0,4(%ap),*8(%ap) 61 ret 62