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Diffstat (limited to 'src/libfaad/common.c')
-rw-r--r-- | src/libfaad/common.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/libfaad/common.c b/src/libfaad/common.c new file mode 100644 index 000000000..394366d17 --- /dev/null +++ b/src/libfaad/common.c @@ -0,0 +1,32 @@ +/* +** FAAD - Freeware Advanced Audio Decoder +** Copyright (C) 2002 M. Bakker +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** $Id: common.c,v 1.1 2002/07/14 23:43:01 miguelfreitas Exp $ +**/ + +/* just some common functions that could be used anywhere */ + +#include "common.h" + +#define LOG2 0.30102999566398 + + +uint32_t int_log2(uint32_t val) +{ + return (uint32_t)(log((real_t)val)/LOG2 + 0.5); +} |