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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 /* ---- includes ----------------------------------------------------------- */
     18 
     19 #include "b_BasicEm/Functions.h"
     20 #include "b_BasicEm/Math.h"
     21 #include "b_TensorEm/Normalizer.h"
     22 
     23 /* ------------------------------------------------------------------------- */
     24 
     25 /* ========================================================================= */
     26 /*                                                                           */
     27 /* ---- \ghd{ auxiliary functions } ---------------------------------------- */
     28 /*                                                                           */
     29 /* ========================================================================= */
     30 
     31 /* ------------------------------------------------------------------------- */
     32 
     33 /* ========================================================================= */
     34 /*                                                                           */
     35 /* ---- \ghd{ constructor / destructor } ----------------------------------- */
     36 /*                                                                           */
     37 /* ========================================================================= */
     38 
     39 /* ------------------------------------------------------------------------- */
     40 
     41 void bts_Normalizer_init( struct bbs_Context* cpA,
     42 					      struct bts_Normalizer* ptrA )
     43 {
     44 	bts_VectorMap_init( cpA, &ptrA->baseE );
     45 	ptrA->baseE.typeE = ( uint32 )bts_VM_NORMALIZER;
     46 	ptrA->baseE.vpMapE = bts_Normalizer_map;
     47 }
     48 
     49 /* ------------------------------------------------------------------------- */
     50 
     51 void bts_Normalizer_exit( struct bbs_Context* cpA,
     52 					      struct bts_Normalizer* ptrA )
     53 {
     54 	bts_VectorMap_exit( cpA, &ptrA->baseE );
     55 }
     56 
     57 /* ------------------------------------------------------------------------- */
     58 
     59 /* ========================================================================= */
     60 /*                                                                           */
     61 /* ---- \ghd{ operators } -------------------------------------------------- */
     62 /*                                                                           */
     63 /* ========================================================================= */
     64 
     65 /* ------------------------------------------------------------------------- */
     66 
     67 void bts_Normalizer_copy( struct bbs_Context* cpA,
     68 						  struct bts_Normalizer* ptrA,
     69 					      const struct bts_Normalizer* srcPtrA )
     70 {
     71 }
     72 
     73 /* ------------------------------------------------------------------------- */
     74 
     75 flag bts_Normalizer_equal( struct bbs_Context* cpA,
     76 						   const struct bts_Normalizer* ptrA,
     77 						   const struct bts_Normalizer* srcPtrA )
     78 {
     79 	return TRUE;
     80 }
     81 
     82 /* ------------------------------------------------------------------------- */
     83 
     84 /* ========================================================================= */
     85 /*                                                                           */
     86 /* ---- \ghd{ query functions } -------------------------------------------- */
     87 /*                                                                           */
     88 /* ========================================================================= */
     89 
     90 /* ------------------------------------------------------------------------- */
     91 
     92 /* ========================================================================= */
     93 /*                                                                           */
     94 /* ---- \ghd{ modify functions } ------------------------------------------- */
     95 /*                                                                           */
     96 /* ========================================================================= */
     97 
     98 /* ------------------------------------------------------------------------- */
     99 
    100 /* ========================================================================= */
    101 /*                                                                           */
    102 /* ---- \ghd{ I/O } -------------------------------------------------------- */
    103 /*                                                                           */
    104 /* ========================================================================= */
    105 
    106 /* ------------------------------------------------------------------------- */
    107 
    108 uint32 bts_Normalizer_memSize( struct bbs_Context* cpA,
    109 							   const struct bts_Normalizer* ptrA )
    110 {
    111 	uint32 memSizeL = bbs_SIZEOF16( uint32 ) +
    112 					  bbs_SIZEOF16( uint32 ); /* version */
    113 	memSizeL += bts_VectorMap_memSize( cpA, &ptrA->baseE );
    114 	return memSizeL;
    115 }
    116 
    117 /* ------------------------------------------------------------------------- */
    118 
    119 uint32 bts_Normalizer_memWrite( struct bbs_Context* cpA,
    120 								const struct bts_Normalizer* ptrA,
    121 								uint16* memPtrA )
    122 {
    123 	uint32 memSizeL = bts_Normalizer_memSize( cpA, ptrA );
    124 	memPtrA += bbs_memWrite32( &memSizeL, memPtrA );
    125 	memPtrA += bbs_memWriteUInt32( bts_NORMALIZER_VERSION, memPtrA );
    126 	memPtrA += bts_VectorMap_memWrite( cpA, &ptrA->baseE, memPtrA );
    127 	return memSizeL;
    128 }
    129 
    130 /* ------------------------------------------------------------------------- */
    131 
    132 uint32 bts_Normalizer_memRead( struct bbs_Context* cpA,
    133 							   struct bts_Normalizer* ptrA,
    134 							   const uint16* memPtrA,
    135 							   struct bbs_MemTbl* mtpA )
    136 {
    137 	uint32 memSizeL, versionL;
    138 	if( bbs_Context_error( cpA ) ) return 0;
    139 	memPtrA += bbs_memRead32( &memSizeL, memPtrA );
    140 	memPtrA += bbs_memReadVersion32( cpA, &versionL, bts_NORMALIZER_VERSION, memPtrA );
    141 	memPtrA += bts_VectorMap_memRead( cpA, &ptrA->baseE, memPtrA );
    142 
    143 	if( memSizeL != bts_Normalizer_memSize( cpA, ptrA ) )
    144 	{
    145 		bbs_ERR0( bbs_ERR_CORRUPT_DATA, "uint32 bts_Normalizer_memRead( struct bem_ScanGradientMove* ptrA, const uint16* memPtrA ):\n"
    146 			        "size mismatch" );
    147 		return 0;
    148 	}
    149 
    150 	return memSizeL;
    151 }
    152 
    153 /* ------------------------------------------------------------------------- */
    154 
    155 /* ========================================================================= */
    156 /*                                                                           */
    157 /* ---- \ghd{ exec functions } --------------------------------------------- */
    158 /*                                                                           */
    159 /* ========================================================================= */
    160 
    161 /* ------------------------------------------------------------------------- */
    162 
    163 void bts_Normalizer_map( struct bbs_Context* cpA,
    164 						 const struct bts_VectorMap* ptrA,
    165 						 const struct bts_Flt16Vec* inVecPtrA,
    166 						 struct bts_Flt16Vec* outVecPtrA )
    167 {
    168 	bts_Flt16Vec_copy( cpA, outVecPtrA, inVecPtrA );
    169 	bts_Flt16Vec_normalize( cpA, outVecPtrA );
    170 }
    171 
    172 /* ------------------------------------------------------------------------- */
    173 
    174 /* ========================================================================= */
    175 
    176