1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include "quadint.h" 28 29 #pragma weak __floatdidf = ___floatdidf 30 31 /* 32 * Convert a longlong_t to a double-precision floating point value. 33 */ 34 double 35 ___floatdidf(longlong_t a) 36 { 37 union uu aa; 38 double d; 39 40 aa.q = a; 41 d = aa.sl[H]; 42 d *= (1 << HALF_BITS); 43 d *= (1 << HALF_BITS); 44 d += aa.ul[L]; 45 46 return (d); 47 } 48