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      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_L04_DNS_2X2_FTR_EM_H
     18 #define bbf_L04_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/MemTbl.h"
     26 #include "b_BitFeatureEm/Feature.h"
     27 
     28 /* ---- related objects  --------------------------------------------------- */
     29 
     30 /* ---- typedefs ----------------------------------------------------------- */
     31 
     32 /* ---- constants ---------------------------------------------------------- */
     33 
     34 /* data format version number */
     35 #define bbf_L04_DNS_2X2_FTR_VERSION 100
     36 
     37 /* ---- object definition -------------------------------------------------- */
     38 
     39 /** discrete feature set */
     40 struct bbf_L04Dns2x2Ftr
     41 {
     42 	/* ---- private data --------------------------------------------------- */
     43 
     44 	/* ---- public data ---------------------------------------------------- */
     45 
     46 	/** base element */
     47 	struct bbf_Feature baseE;
     48 
     49 	/** data array */
     50 	struct bbs_UInt32Arr dataArrE;
     51 
     52 	/** weight shift */
     53 	int32 wShiftE;
     54 
     55 	/** factor to convert activity to proper range */
     56 	int32 activityFactorE;
     57 };
     58 
     59 /* ---- associated objects ------------------------------------------------- */
     60 
     61 /* ---- external functions ------------------------------------------------- */
     62 
     63 /* ---- \ghd{ constructor/destructor } ------------------------------------- */
     64 
     65 /** initializes bbf_L04Dns2x2Ftr  */
     66 void bbf_L04Dns2x2Ftr_init( struct bbs_Context* cpA,
     67 						    struct bbf_L04Dns2x2Ftr* ptrA );
     68 
     69 /** resets bbf_L04Dns2x2Ftr  */
     70 void bbf_L04Dns2x2Ftr_exit( struct bbs_Context* cpA,
     71 						    struct bbf_L04Dns2x2Ftr* ptrA );
     72 
     73 /* ---- \ghd{ operators } -------------------------------------------------- */
     74 
     75 /** copy operator */
     76 void bbf_L04Dns2x2Ftr_copy( struct bbs_Context* cpA,
     77 						    struct bbf_L04Dns2x2Ftr* ptrA,
     78 						    const struct bbf_L04Dns2x2Ftr* srcPtrA );
     79 
     80 /** equal operator */
     81 flag bbf_L04Dns2x2Ftr_equal( struct bbs_Context* cpA,
     82 						     const struct bbf_L04Dns2x2Ftr* ptrA,
     83 						     const struct bbf_L04Dns2x2Ftr* srcPtrA );
     84 
     85 /* ---- \ghd{ query functions } -------------------------------------------- */
     86 
     87 /* ---- \ghd{ modify functions } ------------------------------------------- */
     88 
     89 /* ---- \ghd{ memory I/O } ------------------------------------------------- */
     90 
     91 /** word size (16-bit) object needs when written to memory */
     92 uint32 bbf_L04Dns2x2Ftr_memSize( struct bbs_Context* cpA,
     93 							     const struct bbf_L04Dns2x2Ftr* ptrA );
     94 
     95 /** writes object to memory; returns number of words (16-bit) written */
     96 uint32 bbf_L04Dns2x2Ftr_memWrite( struct bbs_Context* cpA,
     97 							      const struct bbf_L04Dns2x2Ftr* ptrA, uint16* memPtrA );
     98 
     99 /** reads object from memory; returns number of words (16-bit) read */
    100 uint32 bbf_L04Dns2x2Ftr_memRead( struct bbs_Context* cpA,
    101 							     struct bbf_L04Dns2x2Ftr* ptrA,
    102 							     const uint16* memPtrA,
    103 							     struct bbs_MemTbl* mtpA );
    104 
    105 /* ---- \ghd{ exec functions } --------------------------------------------- */
    106 
    107 /** computes feature's activity (4.28) on the given patch */
    108 int32 bbf_L04Dns2x2Ftr_activity( const struct bbf_Feature* ptrA, const uint32* patchA );
    109 
    110 #endif /* bbf_L04_DNS_2X2_FTR_EM_H */
    111 
    112