1/*---------------------------------------------------------------------------*
2  Project:  Horizon
3  File:     math_Matrix33.ipp
4
5  Copyright (C)2009-2010 Nintendo Co., Ltd.  All rights reserved.
6
7  These coded instructions, statements, and computer programs contain
8  proprietary information of Nintendo of America Inc. and/or Nintendo
9  Company Ltd., and are protected by Federal copyright law.  They may
10  not be disclosed to third parties or copied or duplicated in any form,
11  in whole or in part, without the prior written consent of Nintendo.
12
13  $Revision: 23346 $
14 *---------------------------------------------------------------------------*/
15#include <nn/math/math_Vector3.h>
16
17namespace nn {
18namespace math {
19
20/* Please see man pages for details
21
22
23*/
24
25/*
26
27
28
29
30
31 */
32NN_MATH_INLINE bool
33MTX33IsIdentity(const MTX33* p)
34{
35    return p->f._00 == 1.f && p->f._01 == 0.f && p->f._02 == 0.f &&
36           p->f._10 == 0.f && p->f._11 == 1.f && p->f._12 == 0.f &&
37           p->f._20 == 0.f && p->f._21 == 0.f && p->f._22 == 1.f;
38}
39
40
41/*
42
43
44
45
46
47 */
48NN_MATH_INLINE MTX33*
49MTX33Zero(MTX33* pOut)
50{
51    pOut->f._00 = pOut->f._01 = pOut->f._02 =
52    pOut->f._10 = pOut->f._11 = pOut->f._12 =
53    pOut->f._20 = pOut->f._21 = pOut->f._22 = 0.f;
54
55    return pOut;
56}
57
58/*
59
60
61
62
63
64 */
65NN_MATH_INLINE MTX33*
66MTX33Identity(MTX33* pOut)
67{
68    NN_NULL_ASSERT( pOut );
69
70    MTX33Copy(pOut, MTX33::Identity());
71
72    return pOut;
73}
74
75/*
76
77*/
78
79}  // namespace math
80}  // namespace nn
81