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authorAaron Spike <aaron@ekips.org>2006-04-12 13:20:54 +0000
committeracspike <acspike@users.sourceforge.net>2006-04-12 13:20:54 +0000
commitddfaffe08d23e4663fe759d67ae33fd67fc9ce5b (patch)
tree234f5425a7ef7058e69dc2ab77f89810e4f3ed91 /src/dom/js/fdlibm/s_rint.c
parentfix 1466070 (diff)
downloadinkscape-ddfaffe08d23e4663fe759d67ae33fd67fc9ce5b.tar.gz
inkscape-ddfaffe08d23e4663fe759d67ae33fd67fc9ce5b.zip
Removed file/folder for ishmal
(bzr r478)
Diffstat (limited to 'src/dom/js/fdlibm/s_rint.c')
-rw-r--r--src/dom/js/fdlibm/s_rint.c131
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diff --git a/src/dom/js/fdlibm/s_rint.c b/src/dom/js/fdlibm/s_rint.c
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--- a/src/dom/js/fdlibm/s_rint.c
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@@ -1,131 +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 ***** */
-
-/* @(#)s_rint.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.
- * ====================================================
- */
-
-/*
- * rint(x)
- * Return x rounded to integral value according to the prevailing
- * rounding mode.
- * Method:
- * Using floating addition.
- * Exception:
- * Inexact flag raised if x not equal to rint(x).
- */
-
-#include "fdlibm.h"
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-TWO52[2]={
- 4.50359962737049600000e+15, /* 0x43300000, 0x00000000 */
- -4.50359962737049600000e+15, /* 0xC3300000, 0x00000000 */
-};
-
-#ifdef __STDC__
- double fd_rint(double x)
-#else
- double fd_rint(x)
- double x;
-#endif
-{
- int i0,j0,sx;
- unsigned i,i1;
- double w,t;
- fd_twoints u;
-
- u.d = x;
- i0 = __HI(u);
- sx = (i0>>31)&1;
- i1 = __LO(u);
- j0 = ((i0>>20)&0x7ff)-0x3ff;
- if(j0<20) {
- if(j0<0) {
- if(((i0&0x7fffffff)|i1)==0) return x;
- i1 |= (i0&0x0fffff);
- i0 &= 0xfffe0000;
- i0 |= ((i1|-(int)i1)>>12)&0x80000;
- u.d = x;
- __HI(u)=i0;
- x = u.d;
- w = TWO52[sx]+x;
- t = w-TWO52[sx];
- u.d = t;
- i0 = __HI(u);
- __HI(u) = (i0&0x7fffffff)|(sx<<31);
- t = u.d;
- return t;
- } else {
- i = (0x000fffff)>>j0;
- if(((i0&i)|i1)==0) return x; /* x is integral */
- i>>=1;
- if(((i0&i)|i1)!=0) {
- if(j0==19) i1 = 0x40000000; else
- i0 = (i0&(~i))|((0x20000)>>j0);
- }
- }
- } else if (j0>51) {
- if(j0==0x400) return x+x; /* inf or NaN */
- else return x; /* x is integral */
- } else {
- i = ((unsigned)(0xffffffff))>>(j0-20);
- if((i1&i)==0) return x; /* x is integral */
- i>>=1;
- if((i1&i)!=0) i1 = (i1&(~i))|((0x40000000)>>(j0-20));
- }
- u.d = x;
- __HI(u) = i0;
- __LO(u) = i1;
- x = u.d;
- w = TWO52[sx]+x;
- return w-TWO52[sx];
-}