nsprpub/pr/src/misc/prlog2.c@4ab42b5ab56c
nsprpub/pr/src/misc/prlog2.c
Wed, 31 Dec 2014 07:53:36 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:53:36 +0100
- branch
- TOR_BUG_3246
- changeset 5
- 4ab42b5ab56c
- permissions
- -rw-r--r--
Correct small whitespace inconsistency, lost while renaming variables.
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #include "prbit.h"
8 /*
9 ** Compute the log of the least power of 2 greater than or equal to n
10 */
11 PR_IMPLEMENT(PRIntn) PR_CeilingLog2(PRUint32 n)
12 {
13 PRIntn log2;
14 PR_CEILING_LOG2(log2, n);
15 return log2;
16 }
18 /*
19 ** Compute the log of the greatest power of 2 less than or equal to n.
20 ** This really just finds the highest set bit in the word.
21 */
22 PR_IMPLEMENT(PRIntn) PR_FloorLog2(PRUint32 n)
23 {
24 PRIntn log2;
25 PR_FLOOR_LOG2(log2, n);
26 return log2;
27 }
