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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-06-14 16:35:53 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-13 23:08:14 -0300 |
commit | 3d6c2bc08ac4f75bf3597740357c98f2207ca412 (patch) | |
tree | dfe6d7c9e466cef06224ffadd3310d61f41a4678 /drivers/media/dvb/dvb-core/dvb_math.h | |
parent | [media] v4l: move v4l2 core into a separate directory (diff) | |
download | linux-dev-3d6c2bc08ac4f75bf3597740357c98f2207ca412.tar.xz linux-dev-3d6c2bc08ac4f75bf3597740357c98f2207ca412.zip |
[media] dvb: move the dvb core one level up
just like the V4L2 core, move the DVB core to drivers/media, as the
intention is to get rid of both "video" and "dvb" directories.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/dvb-core/dvb_math.h')
-rw-r--r-- | drivers/media/dvb/dvb-core/dvb_math.h | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_math.h b/drivers/media/dvb/dvb-core/dvb_math.h deleted file mode 100644 index aecc867e9404..000000000000 --- a/drivers/media/dvb/dvb-core/dvb_math.h +++ /dev/null @@ -1,58 +0,0 @@ -/* - * dvb-math provides some complex fixed-point math - * operations shared between the dvb related stuff - * - * Copyright (C) 2006 Christoph Pfister (christophpfister@gmail.com) - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef __DVB_MATH_H -#define __DVB_MATH_H - -#include <linux/types.h> - -/** - * computes log2 of a value; the result is shifted left by 24 bits - * - * to use rational values you can use the following method: - * intlog2(value) = intlog2(value * 2^x) - x * 2^24 - * - * example: intlog2(8) will give 3 << 24 = 3 * 2^24 - * example: intlog2(9) will give 3 << 24 + ... = 3.16... * 2^24 - * example: intlog2(1.5) = intlog2(3) - 2^24 = 0.584... * 2^24 - * - * @param value The value (must be != 0) - * @return log2(value) * 2^24 - */ -extern unsigned int intlog2(u32 value); - -/** - * computes log10 of a value; the result is shifted left by 24 bits - * - * to use rational values you can use the following method: - * intlog10(value) = intlog10(value * 10^x) - x * 2^24 - * - * example: intlog10(1000) will give 3 << 24 = 3 * 2^24 - * due to the implementation intlog10(1000) might be not exactly 3 * 2^24 - * - * look at intlog2 for similar examples - * - * @param value The value (must be != 0) - * @return log10(value) * 2^24 - */ -extern unsigned int intlog10(u32 value); - -#endif |