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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 23 */ 24 /* 25 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 #pragma weak sinhf = __sinhf 30 31 #include "libm.h" 32 33 float 34 sinhf(float x) { 35 double s; 36 float w; 37 int hx, ix; 38 39 hx = *(int *)&x; 40 ix = hx & ~0x80000000; 41 if (ix >= 0x7f800000) { 42 /* sinhf(x) is x if x is +-Inf or NaN */ 43 return (x * 1.0f); 44 } 45 if (ix >= 0x43000000) /* sinhf(x) trivially overflows */ 46 s = (hx < 0)? -1.0e100 : 1.0e100; 47 else 48 s = sinh((double)x); 49 w = (float)s; 50 return (w); 51 } 52