auto import from //depot/cupcake/@135843
[android/platform/external/neven.git] / Embedded / common / src / b_TensorEm / Int16Mat2D.h
1 /*
2  * Copyright (C) 2008 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 #ifndef bts_INT16MAT2D_EM_H
18 #define bts_INT16MAT2D_EM_H
19
20 /* ---- includes ----------------------------------------------------------- */
21
22 #include "b_BasicEm/Basic.h"
23 #include "b_BasicEm/Phase.h"
24 #include "b_TensorEm/Int16Vec2D.h"
25
26 /* ---- related objects  --------------------------------------------------- */
27
28 /* ---- typedefs ----------------------------------------------------------- */
29
30 /* ---- constants ---------------------------------------------------------- */
31
32 /* ---- object definition -------------------------------------------------- */
33
34 /** 2d matrix */
35 struct bts_Int16Mat2D 
36 {
37
38         /* ---- private data --------------------------------------------------- */
39
40         /* ---- public data ---------------------------------------------------- */
41
42         /** xx component */
43         int16 xxE;
44
45         /** xy component */
46         int16 xyE;
47
48         /** yx component */
49         int16 yxE;
50
51         /** yy component */
52         int16 yyE;
53
54         /** fixed point position */
55         int16 bbpE;
56 };
57
58 /* ---- associated objects ------------------------------------------------- */
59
60 /* ---- external functions ------------------------------------------------- */
61
62 /* ---- \ghd{ constructor/destructor } ------------------------------------- */
63
64 /* ---- \ghd{ operators } -------------------------------------------------- */
65
66 /* ---- \ghd{ query functions } -------------------------------------------- */
67
68 /* ---- \ghd{ modify functions } ------------------------------------------- */
69
70 /* ---- \ghd{ memory I/O } ------------------------------------------------- */
71
72 /* ---- \ghd{ exec functions } --------------------------------------------- */
73
74 /** creates identity matrix */
75 struct bts_Int16Mat2D bts_Int16Mat2D_createIdentity( void );
76
77 /** creates rotation matrix */
78 struct bts_Int16Mat2D bts_Int16Mat2D_createRotation( phase16 angleA );
79
80 /** creates rigid matrix (scale & rotation) */
81 struct bts_Int16Mat2D bts_Int16Mat2D_createRigid( phase16 angleA, struct flt16 scaleA );
82
83 /** scales matrix by a factor */
84 void bts_Int16Mat2D_scale( struct bts_Int16Mat2D* ptrA, struct flt16 scaleA );
85
86 /** multiplies matrix with vecA; returns resulting vector */
87 struct bts_Int16Vec2D bts_Int16Mat2D_map( const struct bts_Int16Mat2D* matPtrA, 
88                                                                           const struct bts_Int16Vec2D* vecPtrA );
89
90 /** multiplies matrix with matA; returns resulting matrix */
91 struct bts_Int16Mat2D bts_Int16Mat2D_mul( const struct bts_Int16Mat2D* mat1PtrA, 
92                                                                           const struct bts_Int16Mat2D* mat2PtrA );
93
94 #endif /* bts_INT16MAT2D_EM_H */
95