```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 2006 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 #pragma weak expf = __expf 30 31 /* INDENT OFF */ 32 /* 33 * float expf(float x); 34 * Code by K.C. Ng for SUN 5.0 libmopt 35 * 11/5/99 36 * Method : 37 * 1. For |x| >= 2^7, either underflow/overflow. 38 * More precisely: 39 * x > 88.722839355...(0x42B17218) => overflow; 40 * x < -103.97207642..(0xc2CFF1B4) => underflow. 41 * 2. For |x| < 2^-6, use polynomail 42 * exp(x) = 1 + x + p1*x^2 + p2*x^3 43 * 3. Otherwise, write |x|=(1+r)*2^n, where 0<=r<1. 44 * Let t = 2^n * (1+r) .... x > 0; 45 * t = 2^n * (1-r) .... x < 0. (x= -2**(n+1)+t) 46 * Since -6 <= n <= 6, we may break t into 47 * six 6-bits chunks: 48 * -5 -11 -17 -23 -29 49 * t=j *2+j *2 +j *2 +j *2 +j *2 +j *2 ``` ``` `````` 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 2006 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 #pragma weak __expf = expf 30 31 /* INDENT OFF */ 32 /* 33 * float expf(float x); 34 * Code by K.C. Ng for SUN 5.0 libmopt 35 * 11/5/99 36 * Method : 37 * 1. For |x| >= 2^7, either underflow/overflow. 38 * More precisely: 39 * x > 88.722839355...(0x42B17218) => overflow; 40 * x < -103.97207642..(0xc2CFF1B4) => underflow. 41 * 2. For |x| < 2^-6, use polynomail 42 * exp(x) = 1 + x + p1*x^2 + p2*x^3 43 * 3. Otherwise, write |x|=(1+r)*2^n, where 0<=r<1. 44 * Let t = 2^n * (1+r) .... x > 0; 45 * t = 2^n * (1-r) .... x < 0. (x= -2**(n+1)+t) 46 * Since -6 <= n <= 6, we may break t into 47 * six 6-bits chunks: 48 * -5 -11 -17 -23 -29 49 * t=j *2+j *2 +j *2 +j *2 +j *2 +j *2 ```