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/SubVecMap.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 
bts_SubVecMap_init(struct bbs_Context * cpA,struct bts_SubVecMap * ptrA)41 void bts_SubVecMap_init( struct bbs_Context* cpA,
42 					      struct bts_SubVecMap* ptrA )
43 {
44 	bts_VectorMap_init( cpA, &ptrA->baseE );
45 	ptrA->baseE.typeE = ( uint32 )bts_VM_SUB_VEC_MAP;
46 	ptrA->baseE.vpMapE = bts_SubVecMap_map;
47 	ptrA->offsetE = 0;
48 	ptrA->sizeE = -1;
49 }
50 
51 /* ------------------------------------------------------------------------- */
52 
bts_SubVecMap_exit(struct bbs_Context * cpA,struct bts_SubVecMap * ptrA)53 void bts_SubVecMap_exit( struct bbs_Context* cpA,
54 					      struct bts_SubVecMap* ptrA )
55 {
56 	bts_VectorMap_exit( cpA, &ptrA->baseE );
57 	ptrA->offsetE = 0;
58 	ptrA->sizeE = -1;
59 }
60 
61 /* ------------------------------------------------------------------------- */
62 
63 /* ========================================================================= */
64 /*                                                                           */
65 /* ---- \ghd{ operators } -------------------------------------------------- */
66 /*                                                                           */
67 /* ========================================================================= */
68 
69 /* ------------------------------------------------------------------------- */
70 
bts_SubVecMap_copy(struct bbs_Context * cpA,struct bts_SubVecMap * ptrA,const struct bts_SubVecMap * srcPtrA)71 void bts_SubVecMap_copy( struct bbs_Context* cpA,
72 						 struct bts_SubVecMap* ptrA,
73 					     const struct bts_SubVecMap* srcPtrA )
74 {
75 	ptrA->offsetE = srcPtrA->offsetE;
76 	ptrA->sizeE = srcPtrA->sizeE;
77 }
78 
79 /* ------------------------------------------------------------------------- */
80 
bts_SubVecMap_equal(struct bbs_Context * cpA,const struct bts_SubVecMap * ptrA,const struct bts_SubVecMap * srcPtrA)81 flag bts_SubVecMap_equal( struct bbs_Context* cpA,
82 						   const struct bts_SubVecMap* ptrA,
83 						   const struct bts_SubVecMap* srcPtrA )
84 {
85 	if( ptrA->offsetE != srcPtrA->offsetE ) return FALSE;
86 	if( ptrA->sizeE   != srcPtrA->sizeE   ) return FALSE;
87 	return TRUE;
88 }
89 
90 /* ------------------------------------------------------------------------- */
91 
92 /* ========================================================================= */
93 /*                                                                           */
94 /* ---- \ghd{ query functions } -------------------------------------------- */
95 /*                                                                           */
96 /* ========================================================================= */
97 
98 /* ------------------------------------------------------------------------- */
99 
100 /* ========================================================================= */
101 /*                                                                           */
102 /* ---- \ghd{ modify functions } ------------------------------------------- */
103 /*                                                                           */
104 /* ========================================================================= */
105 
106 /* ------------------------------------------------------------------------- */
107 
108 /* ========================================================================= */
109 /*                                                                           */
110 /* ---- \ghd{ I/O } -------------------------------------------------------- */
111 /*                                                                           */
112 /* ========================================================================= */
113 
114 /* ------------------------------------------------------------------------- */
115 
bts_SubVecMap_memSize(struct bbs_Context * cpA,const struct bts_SubVecMap * ptrA)116 uint32 bts_SubVecMap_memSize( struct bbs_Context* cpA,
117 							   const struct bts_SubVecMap* ptrA )
118 {
119 	uint32 memSizeL = bbs_SIZEOF16( uint32 ) +
120 					  bbs_SIZEOF16( uint32 ); /* version */
121 	memSizeL += bts_VectorMap_memSize( cpA, &ptrA->baseE );
122 	memSizeL += bbs_SIZEOF16( ptrA->offsetE );
123 	memSizeL += bbs_SIZEOF16( ptrA->sizeE );
124 
125 	return memSizeL;
126 }
127 
128 /* ------------------------------------------------------------------------- */
129 
bts_SubVecMap_memWrite(struct bbs_Context * cpA,const struct bts_SubVecMap * ptrA,uint16 * memPtrA)130 uint32 bts_SubVecMap_memWrite( struct bbs_Context* cpA,
131 								const struct bts_SubVecMap* ptrA,
132 								uint16* memPtrA )
133 {
134 	uint32 memSizeL = bts_SubVecMap_memSize( cpA, ptrA );
135 	memPtrA += bbs_memWrite32( &memSizeL, memPtrA );
136 	memPtrA += bbs_memWriteUInt32( bts_SUB_VEC_MAP_VERSION, memPtrA );
137 	memPtrA += bts_VectorMap_memWrite( cpA, &ptrA->baseE, memPtrA );
138 	memPtrA += bbs_memWrite32( &ptrA->offsetE, memPtrA );
139 	memPtrA += bbs_memWrite32( &ptrA->sizeE, memPtrA );
140 	return memSizeL;
141 }
142 
143 /* ------------------------------------------------------------------------- */
144 
bts_SubVecMap_memRead(struct bbs_Context * cpA,struct bts_SubVecMap * ptrA,const uint16 * memPtrA,struct bbs_MemTbl * mtpA)145 uint32 bts_SubVecMap_memRead( struct bbs_Context* cpA,
146 							   struct bts_SubVecMap* ptrA,
147 							   const uint16* memPtrA,
148 							   struct bbs_MemTbl* mtpA )
149 {
150 	uint32 memSizeL, versionL;
151 	if( bbs_Context_error( cpA ) ) return 0;
152 	memPtrA += bbs_memRead32( &memSizeL, memPtrA );
153 	memPtrA += bbs_memReadVersion32( cpA, &versionL, bts_SUB_VEC_MAP_VERSION, memPtrA );
154 	memPtrA += bts_VectorMap_memRead( cpA, &ptrA->baseE, memPtrA );
155 	memPtrA += bbs_memRead32( &ptrA->offsetE, memPtrA );
156 	memPtrA += bbs_memRead32( &ptrA->sizeE, memPtrA );
157 
158 	if( memSizeL != bts_SubVecMap_memSize( cpA, ptrA ) )
159 	{
160 		bbs_ERR0( bbs_ERR_CORRUPT_DATA, "uint32 bts_SubVecMap_memRead( struct bem_ScanGradientMove* ptrA, const uint16* memPtrA ):\n"
161 			        "size mismatch" );
162 		return 0;
163 	}
164 
165 	return memSizeL;
166 }
167 
168 /* ------------------------------------------------------------------------- */
169 
170 /* ========================================================================= */
171 /*                                                                           */
172 /* ---- \ghd{ exec functions } --------------------------------------------- */
173 /*                                                                           */
174 /* ========================================================================= */
175 
176 /* ------------------------------------------------------------------------- */
177 
bts_SubVecMap_map(struct bbs_Context * cpA,const struct bts_VectorMap * ptrA,const struct bts_Flt16Vec * inVecPtrA,struct bts_Flt16Vec * outVecPtrA)178 void bts_SubVecMap_map( struct bbs_Context* cpA,
179 						const struct bts_VectorMap* ptrA,
180 						const struct bts_Flt16Vec* inVecPtrA,
181 						struct bts_Flt16Vec* outVecPtrA )
182 {
183 	bbs_DEF_fNameL( "bts_SubVecMap_map" )
184 	struct bts_SubVecMap* ptrL = ( struct bts_SubVecMap* )ptrA;
185 
186 	int32 sizeL = ( ptrL->sizeE != -1 ) ? ptrL->sizeE : ( int32 )inVecPtrA->arrE.sizeE - ptrL->offsetE;
187 	if( sizeL < 0 ) sizeL = 0;
188 
189 	if( ( ptrL->offsetE + sizeL ) > ( int32 )inVecPtrA->arrE.sizeE )
190 	{
191 		bbs_ERROR1( "%s:\ninput vector too small", fNameL );
192 		return;
193 	}
194 
195 	if( outVecPtrA->arrE.allocatedSizeE < ( uint32 )sizeL )
196 	{
197 		bbs_ERROR1( "%s:\noutput vector is insufficiently allocated", fNameL );
198 		return;
199 	}
200 
201 	bts_Flt16Vec_size( cpA, outVecPtrA, sizeL );
202 	outVecPtrA->expE = inVecPtrA->expE;
203 	bbs_memcpy16( outVecPtrA->arrE.arrPtrE, inVecPtrA->arrE.arrPtrE + ptrL->offsetE, sizeL );
204 
205 	bts_Flt16Vec_maximizeMantisse( cpA, outVecPtrA );
206 }
207 
208 /* ------------------------------------------------------------------------- */
209 
210 /* ========================================================================= */
211 
212