summaryrefslogtreecommitdiffstats
path: root/jni/feature_stab/db_vlvm/db_utilities_algebra.h
blob: 2aedd74d54fa27658113d4b6bb78795cf92e595b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* $Id: db_utilities_algebra.h,v 1.3 2011/06/17 14:03:31 mbansal Exp $ */

#ifndef DB_UTILITIES_ALGEBRA
#define DB_UTILITIES_ALGEBRA

#include "db_utilities.h"



/*****************************************************************
*    Lean and mean begins here                                   *
*****************************************************************/
/*!
 * \defgroup LMAlgebra (LM) Algebra utilities
 */
/*\{*/

inline void db_HomogenousNormalize3(double *x)
{
    db_MultiplyScalar3(x,db_SafeSqrtReciprocal(db_SquareSum3(x)));
}

/*\}*/

#endif /* DB_UTILITIES_ALGEBRA */