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5261 libm should stop using synonyms.h
5298 fabs is 0-sized, confuses dis(1) and others
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Approved by: Gordon Ross <gwr@nexenta.com>


  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 exp10l = __exp10l
  31 
  32 #include "libm.h"
  33 #include "longdouble.h"
  34 
  35 /*
  36  * exp10l(x)
  37  *      n = nint(x*(log10/log2)) ;
  38  *      exp10(x) = 10**x = exp(x*ln(10)) = exp(n*ln2+(x*ln10-n*ln2))
  39  *               = 2**n*exp(ln10*(x-n*log2/log10)))
  40  *      If x is an integer <= M then use repeat multiplication. For
  41  *      10**M is the largest representable integer, where
  42  *              M = 10          single precision (24 bits)
  43  *              M = 22          double precision (53 bits)
  44  *              M = 48          quadruple precision (113 bits)
  45  */
  46 
  47 #define TINY    1.0e-20L        /* single: 1e-5, double: 1e-10, quad: 1e-20 */
  48 #define LG10OVT 4933.L          /* single:  39, double:  309, quad:  4933 */
  49 #define LG10UFT -4966.L         /* single: -45, double: -323, quad: -4966 */
  50 #define M       48
  51                         /* logt2hi : last 32 bits is zero for quad prec */




  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 #include "libm.h"
  31 #include "longdouble.h"
  32 
  33 /*
  34  * exp10l(x)
  35  *      n = nint(x*(log10/log2)) ;
  36  *      exp10(x) = 10**x = exp(x*ln(10)) = exp(n*ln2+(x*ln10-n*ln2))
  37  *               = 2**n*exp(ln10*(x-n*log2/log10)))
  38  *      If x is an integer <= M then use repeat multiplication. For
  39  *      10**M is the largest representable integer, where
  40  *              M = 10          single precision (24 bits)
  41  *              M = 22          double precision (53 bits)
  42  *              M = 48          quadruple precision (113 bits)
  43  */
  44 
  45 #define TINY    1.0e-20L        /* single: 1e-5, double: 1e-10, quad: 1e-20 */
  46 #define LG10OVT 4933.L          /* single:  39, double:  309, quad:  4933 */
  47 #define LG10UFT -4966.L         /* single: -45, double: -323, quad: -4966 */
  48 #define M       48
  49                         /* logt2hi : last 32 bits is zero for quad prec */