blob: d07fb5f5dfa85e7f5dfb8e506a731b91540fedc2 [file] [log] [blame]
The Android Open Source Project30957f52008-10-21 07:00:00 -07001/*
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 */
35struct 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 */
75struct bts_Int16Mat2D bts_Int16Mat2D_createIdentity( void );
76
77/** creates rotation matrix */
78struct bts_Int16Mat2D bts_Int16Mat2D_createRotation( phase16 angleA );
79
80/** creates rigid matrix (scale & rotation) */
81struct bts_Int16Mat2D bts_Int16Mat2D_createRigid( phase16 angleA, struct flt16 scaleA );
82
83/** scales matrix by a factor */
84void bts_Int16Mat2D_scale( struct bts_Int16Mat2D* ptrA, struct flt16 scaleA );
85
86/** multiplies matrix with vecA; returns resulting vector */
87struct 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 */
91struct bts_Int16Mat2D bts_Int16Mat2D_mul( const struct bts_Int16Mat2D* mat1PtrA,
92 const struct bts_Int16Mat2D* mat2PtrA );
93
94#endif /* bts_INT16MAT2D_EM_H */
95