```5261 libm should stop using synonyms.h
 ``` `````` 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 log10 = __log10 30 31 /* INDENT OFF */ 32 /* 33 * log10(x) = log(x)/log10 34 * 35 * Base on Table look-up algorithm with product polynomial 36 * approximation for log(x). 37 * 38 * By K.C. Ng, Nov 29, 2004 39 * 40 * (a). For x in [1-0.125, 1+0.125], from log.c we have 41 * log(x) = f + ((a1*f^2) * 42 * ((a2 + (a3*f)*(a4+f)) + (f^3)*(a5+f))) * 43 * (((a6 + f*(a7+f)) + (f^3)*(a8+f)) * 44 * ((a9 + (a10*f)*(a11+f)) + (f^3)*(a12+f))) 45 * where f = x - 1. 46 * (i) modify a1 <- a1 / log10 47 * (ii) 1/log10 = 0.4342944819... 48 * = 0.4375 - 0.003205518... (7 bit shift) 49 * Let lgv = 0.4375 - 1/log10, then ``` ``` `````` 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 __log10 = log10 30 31 /* INDENT OFF */ 32 /* 33 * log10(x) = log(x)/log10 34 * 35 * Base on Table look-up algorithm with product polynomial 36 * approximation for log(x). 37 * 38 * By K.C. Ng, Nov 29, 2004 39 * 40 * (a). For x in [1-0.125, 1+0.125], from log.c we have 41 * log(x) = f + ((a1*f^2) * 42 * ((a2 + (a3*f)*(a4+f)) + (f^3)*(a5+f))) * 43 * (((a6 + f*(a7+f)) + (f^3)*(a8+f)) * 44 * ((a9 + (a10*f)*(a11+f)) + (f^3)*(a12+f))) 45 * where f = x - 1. 46 * (i) modify a1 <- a1 / log10 47 * (ii) 1/log10 = 0.4342944819... 48 * = 0.4375 - 0.003205518... (7 bit shift) 49 * Let lgv = 0.4375 - 1/log10, then ```