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 sinh = __sinh
  30 
  31 /* INDENT OFF */
  32 /*
  33  * sinh(x)
  34  * Code originated from 4.3bsd.
  35  * Modified by K.C. Ng for SUN 4.0 libm.
  36  * Method :
  37  *      1. reduce x to non-negative by sinh(-x) = - sinh(x).
  38  *      2.
  39  *
  40  *                                   expm1(x) + expm1(x)/(expm1(x)+1)
  41  *   0 <= x <= lnovft   : sinh(x) := --------------------------------
  42  *                                                                     2
  43  *  lnovft <= x <  INF  : sinh(x) := exp(x-1024*ln2)*2**1023
  44  *
  45  *
  46  * Special cases:
  47  *      sinh(x) is x if x is +INF, -INF, or NaN.
  48  *      only sinh(0)=0 is exact for finite argument.
  49  *

   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 __sinh = sinh
  30 
  31 /* INDENT OFF */
  32 /*
  33  * sinh(x)
  34  * Code originated from 4.3bsd.
  35  * Modified by K.C. Ng for SUN 4.0 libm.
  36  * Method :
  37  *      1. reduce x to non-negative by sinh(-x) = - sinh(x).
  38  *      2.
  39  *
  40  *                                   expm1(x) + expm1(x)/(expm1(x)+1)
  41  *   0 <= x <= lnovft   : sinh(x) := --------------------------------
  42  *                                                                     2
  43  *  lnovft <= x <  INF  : sinh(x) := exp(x-1024*ln2)*2**1023
  44  *
  45  *
  46  * Special cases:
  47  *      sinh(x) is x if x is +INF, -INF, or NaN.
  48  *      only sinh(0)=0 is exact for finite argument.
  49  *