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| author | Aaron Spike <aaron@ekips.org> | 2006-04-12 13:20:54 +0000 |
|---|---|---|
| committer | acspike <acspike@users.sourceforge.net> | 2006-04-12 13:20:54 +0000 |
| commit | ddfaffe08d23e4663fe759d67ae33fd67fc9ce5b (patch) | |
| tree | 234f5425a7ef7058e69dc2ab77f89810e4f3ed91 /src/dom/js/jslog2.c | |
| parent | fix 1466070 (diff) | |
| download | inkscape-ddfaffe08d23e4663fe759d67ae33fd67fc9ce5b.tar.gz inkscape-ddfaffe08d23e4663fe759d67ae33fd67fc9ce5b.zip | |
Removed file/folder for ishmal
(bzr r478)
Diffstat (limited to 'src/dom/js/jslog2.c')
| -rw-r--r-- | src/dom/js/jslog2.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/src/dom/js/jslog2.c b/src/dom/js/jslog2.c deleted file mode 100644 index 113c276d0..000000000 --- a/src/dom/js/jslog2.c +++ /dev/null @@ -1,83 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* ***** 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 - * Netscape Communications Corporation. - * 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 ***** */ - -#include "jsstddef.h" -#include "jsbit.h" - -/* -** Compute the log of the least power of 2 greater than or equal to n -*/ -JS_PUBLIC_API(JSIntn) JS_CeilingLog2(JSUint32 n) -{ - JSIntn log2 = 0; - - if (n & (n-1)) - log2++; - if (n >> 16) - log2 += 16, n >>= 16; - if (n >> 8) - log2 += 8, n >>= 8; - if (n >> 4) - log2 += 4, n >>= 4; - if (n >> 2) - log2 += 2, n >>= 2; - if (n >> 1) - log2++; - return log2; -} - -/* -** Compute the log of the greatest power of 2 less than or equal to n. -** This really just finds the highest set bit in the word. -*/ -JS_PUBLIC_API(JSIntn) JS_FloorLog2(JSUint32 n) -{ - JSIntn log2 = 0; - - if (n >> 16) - log2 += 16, n >>= 16; - if (n >> 8) - log2 += 8, n >>= 8; - if (n >> 4) - log2 += 4, n >>= 4; - if (n >> 2) - log2 += 2, n >>= 2; - if (n >> 1) - log2++; - return log2; -} |
