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 bbf_I04_DNS_2X2_FTR_EM_H
18 #define bbf_I04_DNS_2X2_FTR_EM_H
19 
20 /* ---- includes ----------------------------------------------------------- */
21 
22 #include "b_BasicEm/Context.h"
23 #include "b_BasicEm/Basic.h"
24 #include "b_BasicEm/UInt32Arr.h"
25 #include "b_BasicEm/Int16Arr.h"
26 #include "b_BasicEm/MemTbl.h"
27 #include "b_BitFeatureEm/Feature.h"
28 
29 /* ---- related objects  --------------------------------------------------- */
30 
31 /* ---- typedefs ----------------------------------------------------------- */
32 
33 /* ---- constants ---------------------------------------------------------- */
34 
35 /* data format version number */
36 #define bbf_I04_DNS_2X2_FTR_VERSION 100
37 
38 /* ---- object definition -------------------------------------------------- */
39 
40 /** discrete feature set */
41 struct bbf_I04Dns2x2Ftr
42 {
43 	/* ---- private data --------------------------------------------------- */
44 
45 	/* ---- public data ---------------------------------------------------- */
46 
47 	/** base element */
48 	struct bbf_Feature baseE;
49 
50 	/** pattern array */
51 	struct bbs_UInt32Arr ptnArrE;
52 
53 	/** look up table of weights */
54 	struct bbs_Int16Arr tableE;
55 
56 	/** factor to convert activity to proper range (.36) */
57 	int32 activityFactorE;
58 };
59 
60 /* ---- associated objects ------------------------------------------------- */
61 
62 /* ---- external functions ------------------------------------------------- */
63 
64 /* ---- \ghd{ constructor/destructor } ------------------------------------- */
65 
66 /** initializes bbf_I04Dns2x2Ftr  */
67 void bbf_I04Dns2x2Ftr_init( struct bbs_Context* cpA,
68 						    struct bbf_I04Dns2x2Ftr* ptrA );
69 
70 /** resets bbf_I04Dns2x2Ftr  */
71 void bbf_I04Dns2x2Ftr_exit( struct bbs_Context* cpA,
72 						    struct bbf_I04Dns2x2Ftr* ptrA );
73 
74 /* ---- \ghd{ operators } -------------------------------------------------- */
75 
76 /** copy operator */
77 void bbf_I04Dns2x2Ftr_copy( struct bbs_Context* cpA,
78 						    struct bbf_I04Dns2x2Ftr* ptrA,
79 						    const struct bbf_I04Dns2x2Ftr* srcPtrA );
80 
81 /** equal operator */
82 flag bbf_I04Dns2x2Ftr_equal( struct bbs_Context* cpA,
83 						     const struct bbf_I04Dns2x2Ftr* ptrA,
84 						     const struct bbf_I04Dns2x2Ftr* srcPtrA );
85 
86 /* ---- \ghd{ query functions } -------------------------------------------- */
87 
88 /* ---- \ghd{ modify functions } ------------------------------------------- */
89 
90 /* ---- \ghd{ memory I/O } ------------------------------------------------- */
91 
92 /** word size (16-bit) object needs when written to memory */
93 uint32 bbf_I04Dns2x2Ftr_memSize( struct bbs_Context* cpA,
94 							     const struct bbf_I04Dns2x2Ftr* ptrA );
95 
96 /** writes object to memory; returns number of words (16-bit) written */
97 uint32 bbf_I04Dns2x2Ftr_memWrite( struct bbs_Context* cpA,
98 							      const struct bbf_I04Dns2x2Ftr* ptrA, uint16* memPtrA );
99 
100 /** reads object from memory; returns number of words (16-bit) read */
101 uint32 bbf_I04Dns2x2Ftr_memRead( struct bbs_Context* cpA,
102 							     struct bbf_I04Dns2x2Ftr* ptrA,
103 							     const uint16* memPtrA,
104 							     struct bbs_MemTbl* mtpA );
105 
106 /* ---- \ghd{ exec functions } --------------------------------------------- */
107 
108 /** computes feature's activity (4.28) on the given patch */
109 int32 bbf_I04Dns2x2Ftr_activity( const struct bbf_Feature* ptrA, const uint32* patchA );
110 
111 #endif /* bbf_I04_DNS_2X2_FTR_EM_H */
112 
113