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| author | Bob Jamison <ishmalius@gmail.com> | 2006-01-16 09:50:17 +0000 |
|---|---|---|
| committer | ishmal <ishmal@users.sourceforge.net> | 2006-01-16 09:50:17 +0000 |
| commit | 2d00762bebfb3257161115add4805a57aef25bde (patch) | |
| tree | 2e5dfe871d77655fd43912917160602c9ec83e3c /src/extension/script/js/fdlibm/e_acosh.c | |
| parent | * src/svg/Makefile_insert: Updated to reflect a previous header (diff) | |
| download | inkscape-2d00762bebfb3257161115add4805a57aef25bde.tar.gz inkscape-2d00762bebfb3257161115add4805a57aef25bde.zip | |
Remove duplicate Javascript tree. This dupe was probably an artifact of the migration.
(bzr r3)
Diffstat (limited to 'src/extension/script/js/fdlibm/e_acosh.c')
| -rw-r--r-- | src/extension/script/js/fdlibm/e_acosh.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/src/extension/script/js/fdlibm/e_acosh.c b/src/extension/script/js/fdlibm/e_acosh.c deleted file mode 100644 index 725cceefb..000000000 --- a/src/extension/script/js/fdlibm/e_acosh.c +++ /dev/null @@ -1,105 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- - * - * ***** BEGIN LICENSE BLOCK ***** - * Version: MPL 1.1/GPL 2.0/LGPL 2.1 - * - * The contents of this file are subject to the Mozilla Public License Version - * 1.1 (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * http://www.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS IS" basis, - * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License - * for the specific language governing rights and limitations under the - * License. - * - * The Original Code is Mozilla Communicator client code, released - * March 31, 1998. - * - * The Initial Developer of the Original Code is - * Sun Microsystems, Inc. - * Portions created by the Initial Developer are Copyright (C) 1998 - * the Initial Developer. All Rights Reserved. - * - * Contributor(s): - * - * Alternatively, the contents of this file may be used under the terms of - * either of the GNU General Public License Version 2 or later (the "GPL"), - * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), - * in which case the provisions of the GPL or the LGPL are applicable instead - * of those above. If you wish to allow use of your version of this file only - * under the terms of either the GPL or the LGPL, and not to allow others to - * use your version of this file under the terms of the MPL, indicate your - * decision by deleting the provisions above and replace them with the notice - * and other provisions required by the GPL or the LGPL. If you do not delete - * the provisions above, a recipient may use your version of this file under - * the terms of any one of the MPL, the GPL or the LGPL. - * - * ***** END LICENSE BLOCK ***** */ - -/* @(#)e_acosh.c 1.3 95/01/18 */ -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunSoft, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - * - */ - -/* __ieee754_acosh(x) - * Method : - * Based on - * acosh(x) = log [ x + sqrt(x*x-1) ] - * we have - * acosh(x) := log(x)+ln2, if x is large; else - * acosh(x) := log(2x-1/(sqrt(x*x-1)+x)) if x>2; else - * acosh(x) := log1p(t+sqrt(2.0*t+t*t)); where t=x-1. - * - * Special cases: - * acosh(x) is NaN with signal if x<1. - * acosh(NaN) is NaN without signal. - */ - -#include "fdlibm.h" - -#ifdef __STDC__ -static const double -#else -static double -#endif -one = 1.0, -ln2 = 6.93147180559945286227e-01; /* 0x3FE62E42, 0xFEFA39EF */ - -#ifdef __STDC__ - double __ieee754_acosh(double x) -#else - double __ieee754_acosh(x) - double x; -#endif -{ - fd_twoints u; - double t; - int hx; - u.d = x; - hx = __HI(u); - if(hx<0x3ff00000) { /* x < 1 */ - return (x-x)/(x-x); - } else if(hx >=0x41b00000) { /* x > 2**28 */ - if(hx >=0x7ff00000) { /* x is inf of NaN */ - return x+x; - } else - return __ieee754_log(x)+ln2; /* acosh(huge)=log(2x) */ - } else if(((hx-0x3ff00000)|__LO(u))==0) { - return 0.0; /* acosh(1) = 0 */ - } else if (hx > 0x40000000) { /* 2**28 > x > 2 */ - t=x*x; - return __ieee754_log(2.0*x-one/(x+fd_sqrt(t-one))); - } else { /* 1<x<2 */ - t = x-one; - return fd_log1p(t+fd_sqrt(2.0*t+t*t)); - } -} |
