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 /*
  23  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  24  */
  25 /*
  26  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  27  * Use is subject to license terms.
  28  */
  29 
  30 #pragma weak sinhl = __sinhl
  31 
  32 #include "libm.h"
  33 #include "longdouble.h"
  34 
  35 /*
  36  * sinhl(X)
  37  * RETURN THE HYPERBOLIC SINE OF X
  38  *
  39  * Method :
  40  *      1. reduce x to non-negative by sinhl(-x) = - sinhl(x).
  41  *      2.
  42  *
  43  *                                           expm1l(x) + expm1l(x)/(expm1l(x)+1)
  44  *      0 <= x <= lnovft  : sinhl(x) := --------------------------------
  45  *                                                           2
  46  *
  47  *     lnovft <= x <  INF : sinhl(x) := expl(x-MEP1*ln2)*2**ME
  48  *
  49  * here
  50  *      lnovft:         logrithm of the overflow threshold

  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 /*
  23  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  24  */
  25 /*
  26  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  27  * Use is subject to license terms.
  28  */
  29 
  30 #pragma weak __sinhl = sinhl
  31 
  32 #include "libm.h"
  33 #include "longdouble.h"
  34 
  35 /*
  36  * sinhl(X)
  37  * RETURN THE HYPERBOLIC SINE OF X
  38  *
  39  * Method :
  40  *      1. reduce x to non-negative by sinhl(-x) = - sinhl(x).
  41  *      2.
  42  *
  43  *                                           expm1l(x) + expm1l(x)/(expm1l(x)+1)
  44  *      0 <= x <= lnovft  : sinhl(x) := --------------------------------
  45  *                                                           2
  46  *
  47  *     lnovft <= x <  INF : sinhl(x) := expl(x-MEP1*ln2)*2**ME
  48  *
  49  * here
  50  *      lnovft:         logrithm of the overflow threshold