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gerrit-public.fairphone.software / platform / external / neven / 30957f56b33a18c5a4af787f25b9f145f2803634 / . / Embedded / common / src / b_TensorEm / Flt16Vec3D.h
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The Android Open Source Project30957f52008-10-21 07:00:00 -0700[diff] [blame^]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_FLT16VEC3D_EM_H
18#define bts_FLT16VEC3D_EM_H
19
20/* ---- includes ----------------------------------------------------------- */
21
22#include "b_BasicEm/Context.h"
23#include "b_BasicEm/Basic.h"
24#include "b_BasicEm/Phase.h"
25
26/* ---- related objects --------------------------------------------------- */
27
28/* ---- typedefs ----------------------------------------------------------- */
29
30/* ---- constants ---------------------------------------------------------- */
31
32/* ---- object definition -------------------------------------------------- */
33
34/** 3d vector with floating point */
35struct bts_Flt16Vec3D
36{
37
38 /* ---- private data --------------------------------------------------- */
39
40 /* ---- public data ---------------------------------------------------- */
41
42 /** x component */
43 int16 xE;
44
45 /** y component */
46 int16 yE;
47
48 /** z component */
49 int16 zE;
50
51 /** point position */
52 int16 bbpE;
53};
54
55/* ---- associated objects ------------------------------------------------- */
56
57/* ---- external functions ------------------------------------------------- */
58
59/* ---- \ghd{ constructor/destructor } ------------------------------------- */
60
61/** initializes vector */
62void bts_Flt16Vec3D_init( struct bts_Flt16Vec3D* ptrA );
63
64/** destroys vector */
65void bts_Flt16Vec3D_exit( struct bts_Flt16Vec3D* ptrA );
66
67/* ---- \ghd{ operators } -------------------------------------------------- */
68
69/** equal operator */
70flag bts_Flt16Vec3D_equal( const struct bts_Flt16Vec3D* ptrA, const struct bts_Flt16Vec3D* 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 */
79uint32 bts_Flt16Vec3D_memSize( struct bbs_Context* cpA,
80 const struct bts_Flt16Vec3D* ptrA );
81
82/** writes object to memory; returns number of bytes written */
83uint32 bts_Flt16Vec3D_memWrite( struct bbs_Context* cpA,
84 const struct bts_Flt16Vec3D* ptrA,
85 uint16* memPtrA );
86
87/** reads object from memory; returns number of bytes read */
88uint32 bts_Flt16Vec3D_memRead( struct bbs_Context* cpA,
89 struct bts_Flt16Vec3D* ptrA,
90 const uint16* memPtrA );
91
92/* ---- \ghd{ exec functions } --------------------------------------------- */
93
94/** creates vector from 16 bit values */
95struct bts_Flt16Vec3D bts_Flt16Vec3D_create16( int16 xA, int16 yA, int16 zA, int16 bbpA );
96
97/** creates vector from 32 bit values (automatic adjustment of bbp value) */
98struct bts_Flt16Vec3D bts_Flt16Vec3D_create32( int32 xA, int32 yA, int32 zA, int32 bbpA );
99
100/** returns square norm of vector; return bbp is ptrA->bbpE * 2 */
101uint32 bts_Flt16Vec3D_norm2( const struct bts_Flt16Vec3D* ptrA );
102
103/** returns norm of vector; return bbp is ptrA->bbpE*/
104uint16 bts_Flt16Vec3D_norm( const struct bts_Flt16Vec3D* ptrA );
105
106/** normalizes vector; bbpA defines number of bits behind the point */
107void bts_Flt16Vec3D_normalize( struct bts_Flt16Vec3D* ptrA );
108
109/** returns normalized vector; bbpA defines number of bits behind the point */
110struct bts_Flt16Vec3D bts_Flt16Vec3D_normalized( const struct bts_Flt16Vec3D* ptrA );
111
112/** adds two vectors; returns resulting vector */
113struct bts_Flt16Vec3D bts_Flt16Vec3D_add( struct bts_Flt16Vec3D vec1A, struct bts_Flt16Vec3D vec2A );
114
115/** subtracts vec1A - vec2A; returns resulting vector */
116struct bts_Flt16Vec3D bts_Flt16Vec3D_sub( struct bts_Flt16Vec3D vec1A, struct bts_Flt16Vec3D vec2A );
117
118/** multiplies vecor with scalar; returns resulting vector */
119struct bts_Flt16Vec3D bts_Flt16Vec3D_mul( struct bts_Flt16Vec3D vecA, int16 factorA, int32 bbpFactorA );
120
121#endif /* bts_FLT16VEC3D_EM_H */
122