auto import from //depot/cupcake/@135843
[android/platform/external/neven.git] / Embedded / common / src / b_TensorEm / Flt16Alt2D.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_FLT16ALT2D_EM_H
18 #define bts_FLT16ALT2D_EM_H
19
20 /* ---- includes ----------------------------------------------------------- */
21
22 #include "b_BasicEm/Context.h"
23 #include "b_BasicEm/Basic.h"
24 #include "b_TensorEm/Flt16Mat2D.h"
25 #include "b_TensorEm/Flt16Vec2D.h"
26
27 /* ---- related objects  --------------------------------------------------- */
28
29 /* ---- typedefs ----------------------------------------------------------- */
30
31 /* ---- constants ---------------------------------------------------------- */
32
33 /* ---- object definition -------------------------------------------------- */
34
35 /** 2d affine linear trafo */
36 struct bts_Flt16Alt2D 
37 {
38
39         /* ---- private data --------------------------------------------------- */
40
41         /* ---- public data ---------------------------------------------------- */
42
43         /** matrix */
44         struct bts_Flt16Mat2D matE;
45
46         /** vector */
47         struct bts_Flt16Vec2D vecE;
48 };
49
50 /* ---- associated objects ------------------------------------------------- */
51
52 /* ---- external functions ------------------------------------------------- */
53
54 /* ---- \ghd{ constructor/destructor } ------------------------------------- */
55
56 /** initializes alt */
57 void bts_Flt16Alt2D_init( struct bts_Flt16Alt2D* ptrA );
58
59 /** destroys alt */
60 void bts_Flt16Alt2D_exit( struct bts_Flt16Alt2D* ptrA );
61
62 /* ---- \ghd{ operators } -------------------------------------------------- */
63
64 /** copy operator */
65 void bts_Flt16Alt2D_copy( struct bts_Flt16Alt2D* ptrA, 
66                                                   const struct bts_Flt16Alt2D* srcPtrA );
67
68 /** equal operator */
69 flag bts_Flt16Alt2D_equal( const struct bts_Flt16Alt2D* ptrA, 
70                                                    const struct bts_Flt16Alt2D* srcPtrA );
71
72 /* ---- \ghd{ query functions } -------------------------------------------- */
73
74 /* ---- \ghd{ modify functions } ------------------------------------------- */
75
76 /* ---- \ghd{ memory I/O } ------------------------------------------------- */
77
78 /** size object needs when written to memory */
79 uint32 bts_Flt16Alt2D_memSize( struct bbs_Context* cpA,
80                                                            const struct bts_Flt16Alt2D* ptrA );
81
82 /** writes object to memory; returns number of bytes written */
83 uint32 bts_Flt16Alt2D_memWrite( struct bbs_Context* cpA,
84                                                             const struct bts_Flt16Alt2D* ptrA, 
85                                                                 uint16* memPtrA );
86
87 /** reads object from memory; returns number of bytes read */
88 uint32 bts_Flt16Alt2D_memRead( struct bbs_Context* cpA,
89                                                            struct bts_Flt16Alt2D* ptrA, 
90                                                            const uint16* memPtrA );
91
92 /* ---- \ghd{ exec functions } --------------------------------------------- */
93
94 /** inverts alt */
95 void bts_Flt16Alt2D_invert( struct bts_Flt16Alt2D* ptrA );
96
97 /** returns inverted alt */
98 struct bts_Flt16Alt2D bts_Flt16Alt2D_inverted( const struct bts_Flt16Alt2D* ptrA );
99
100 /** creates identity alt */
101 struct bts_Flt16Alt2D bts_Flt16Alt2D_createIdentity( void );
102
103 /** creates rotation alt */
104 struct bts_Flt16Alt2D bts_Flt16Alt2D_createRotation( phase16 angleA, 
105                                                                                                          const struct bts_Flt16Vec2D* centerPtrA );
106
107 /** creates scale alt */
108 struct bts_Flt16Alt2D bts_Flt16Alt2D_createScale( int32 scaleA, 
109                                                                                                   int32 scaleBbpA, 
110                                                                                                   const struct bts_Flt16Vec2D* centerPtrA );
111
112 /** creates rigid alt (scale & rotation) */
113 struct bts_Flt16Alt2D bts_Flt16Alt2D_createRigid( phase16 angleA, 
114                                                                                                   int32 scaleA, 
115                                                                                                   int32 scaleBbpA, 
116                                                                                                   const struct bts_Flt16Vec2D* centerPtrA );
117
118 /** creates rigid alt (scale & rotation) that mapps vecIn1 and vecIn2 to vecOut1 and vecOut2*/
119 struct bts_Flt16Alt2D bts_Flt16Alt2D_createRigidMap( struct bts_Flt16Vec2D vecIn1A,
120                                                                                                      struct bts_Flt16Vec2D vecIn2A,
121                                                                                                      struct bts_Flt16Vec2D vecOut1A,
122                                                                                                      struct bts_Flt16Vec2D vecOut2A );
123
124 /** creates alt from 16 bit values */
125 struct bts_Flt16Alt2D bts_Flt16Alt2D_create16( int16 xxA, 
126                                                                                            int16 xyA, 
127                                                                                            int16 yxA, 
128                                                                                            int16 yyA, 
129                                                                                            int16 matBbpA,
130                                                                                            int16 xA, 
131                                                                                            int16 yA, 
132                                                                                            int16 vecBbpA );
133
134 /** creates alt from 32 bit values (automatic adjustment of bbp value) */
135 struct bts_Flt16Alt2D bts_Flt16Alt2D_create32( int32 xxA, 
136                                                                                            int32 xyA, 
137                                                                                            int32 yxA, 
138                                                                                            int32 yyA,
139                                                                                            int32 matBbpA,
140                                                                                            int32 xA, 
141                                                                                            int32 yA, 
142                                                                                            int32 vecBbpA );
143
144 /** Multiplies matrix with float vecA; returns resulting vector. 
145  *  bbp can get changed.
146  */
147 struct bts_Flt16Vec2D bts_Flt16Alt2D_mapFlt( const struct bts_Flt16Alt2D* matPtrA, 
148                                                                              const struct bts_Flt16Vec2D* vecPtrA );
149
150 /** multiplies alt with altA returns resulting alt */
151 struct bts_Flt16Alt2D bts_Flt16Alt2D_mul( const struct bts_Flt16Alt2D* alt1PtrA, 
152                                                                           const struct bts_Flt16Alt2D* alt2PtrA );
153
154 /** multiplies alt with matA; returns pointer to resulting alt */
155 struct bts_Flt16Alt2D* bts_Flt16Alt2D_mulTo( struct bts_Flt16Alt2D* alt1PtrA, 
156                                                              const struct bts_Flt16Alt2D* alt2PtrA );
157
158 #endif /* bts_FLT16ALT2D_EM_H */
159