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gerrit-public.fairphone.software / platform / external / neven / 7f81d9b6fa7f2ec161b682622db577a28c90b49f / . / Embedded / common / src / b_TensorEm / Alt.c
blob: d7373e02ba580daedbfa093ad678fceca0bd9605 [file] [log] [blame]
The Android Open Source Project7f81d9b2009-03-03 19:30:08 -0800[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/* ---- includes ----------------------------------------------------------- */
18
19#include "b_BasicEm/Functions.h"
20#include "b_BasicEm/Math.h"
21#include "b_TensorEm/Alt.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
41void bts_Alt_init( struct bbs_Context* cpA,
42 struct bts_Alt* ptrA )
43{
44 bts_VectorMap_init( cpA, &ptrA->baseE );
45 ptrA->baseE.typeE = ( uint32 )bts_VM_ALT;
46 ptrA->baseE.vpMapE = bts_Alt_map;
47
48 bts_CompactAlt_init( cpA, &ptrA->altE );
49}
50
51/* ------------------------------------------------------------------------- */
52
53void bts_Alt_exit( struct bbs_Context* cpA,
54 struct bts_Alt* ptrA )
55{
56 bts_CompactAlt_exit( cpA, &ptrA->altE );
57
58 bts_VectorMap_exit( cpA, &ptrA->baseE );
59}
60
61/* ------------------------------------------------------------------------- */
62
63/* ========================================================================= */
64/* */
65/* ---- \ghd{ operators } -------------------------------------------------- */
66/* */
67/* ========================================================================= */
68
69/* ------------------------------------------------------------------------- */
70
71void bts_Alt_copy( struct bbs_Context* cpA,
72 struct bts_Alt* ptrA,
73 const struct bts_Alt* srcPtrA )
74{
75 bts_CompactAlt_copy( cpA, &ptrA->altE, &srcPtrA->altE );
76}
77
78/* ------------------------------------------------------------------------- */
79
80flag bts_Alt_equal( struct bbs_Context* cpA,
81 const struct bts_Alt* ptrA,
82 const struct bts_Alt* srcPtrA )
83{
84 bbs_ERROR0( "bts_Alt_equal:\n Function is not available" );
85 return FALSE;
86}
87
88/* ------------------------------------------------------------------------- */
89
90/* ========================================================================= */
91/* */
92/* ---- \ghd{ query functions } -------------------------------------------- */
93/* */
94/* ========================================================================= */
95
96/* ------------------------------------------------------------------------- */
97
98/* ========================================================================= */
99/* */
100/* ---- \ghd{ modify functions } ------------------------------------------- */
101/* */
102/* ========================================================================= */
103
104/* ------------------------------------------------------------------------- */
105
106/* ========================================================================= */
107/* */
108/* ---- \ghd{ I/O } -------------------------------------------------------- */
109/* */
110/* ========================================================================= */
111
112/* ------------------------------------------------------------------------- */
113
114uint32 bts_Alt_memSize( struct bbs_Context* cpA,
115 const struct bts_Alt* ptrA )
116{
117 uint32 memSizeL = bbs_SIZEOF16( uint32 ) +
118 bbs_SIZEOF16( uint32 ); /* version */
119 memSizeL += bts_VectorMap_memSize( cpA, &ptrA->baseE );
120 memSizeL += bts_CompactAlt_memSize( cpA, &ptrA->altE );
121 return memSizeL;
122}
123
124/* ------------------------------------------------------------------------- */
125
126uint32 bts_Alt_memWrite( struct bbs_Context* cpA,
127 const struct bts_Alt* ptrA,
128 uint16* memPtrA )
129{
130 uint32 memSizeL = bts_Alt_memSize( cpA, ptrA );
131 memPtrA += bbs_memWrite32( &memSizeL, memPtrA );
132 memPtrA += bbs_memWriteUInt32( bts_ALT_VERSION, memPtrA );
133 memPtrA += bts_VectorMap_memWrite( cpA, &ptrA->baseE, memPtrA );
134 memPtrA += bts_CompactAlt_memWrite( cpA, &ptrA->altE, memPtrA );
135 return memSizeL;
136}
137
138/* ------------------------------------------------------------------------- */
139
140uint32 bts_Alt_memRead( struct bbs_Context* cpA,
141 struct bts_Alt* ptrA,
142 const uint16* memPtrA,
143 struct bbs_MemTbl* mtpA )
144{
145 uint32 memSizeL, versionL;
146 struct bbs_MemTbl memTblL = *mtpA;
147 struct bbs_MemSeg* espL = bbs_MemTbl_segPtr( cpA, &memTblL, 0 );
148
149 if( bbs_Context_error( cpA ) ) return 0;
150 memPtrA += bbs_memRead32( &memSizeL, memPtrA );
151 memPtrA += bbs_memReadVersion32( cpA, &versionL, bts_ALT_VERSION, memPtrA );
152 memPtrA += bts_VectorMap_memRead( cpA, &ptrA->baseE, memPtrA );
153 memPtrA += bts_CompactAlt_memRead( cpA, &ptrA->altE, memPtrA, espL );
154
155 if( memSizeL != bts_Alt_memSize( cpA, ptrA ) )
156 {
157 bbs_ERR0( bbs_ERR_CORRUPT_DATA, "uint32 bts_Alt_memRead( struct bem_ScanGradientMove* ptrA, const uint16* memPtrA ):\n"
158 "size mismatch" );
159 return 0;
160 }
161
162 return memSizeL;
163}
164
165/* ------------------------------------------------------------------------- */
166
167/* ========================================================================= */
168/* */
169/* ---- \ghd{ exec functions } --------------------------------------------- */
170/* */
171/* ========================================================================= */
172
173/* ------------------------------------------------------------------------- */
174
175void bts_Alt_map( struct bbs_Context* cpA,
176 const struct bts_VectorMap* ptrA,
177 const struct bts_Flt16Vec* inVecPtrA,
178 struct bts_Flt16Vec* outVecPtrA )
179{
180 bbs_DEF_fNameL( "bts_Alt_map" )
181 const struct bts_Alt* ptrL = ( const struct bts_Alt* )ptrA;
182
183 if( inVecPtrA->arrE.sizeE != ptrL->altE.matE.widthE )
184 {
185 bbs_ERROR1( "%s:\ninput vector has incorrect size", fNameL );
186 return;
187 }
188
189 if( outVecPtrA->arrE.allocatedSizeE < ptrL->altE.matE.heightE )
190 {
191 bbs_ERROR1( "%s:\noutput vector is insufficiently allocated", fNameL );
192 return;
193 }
194
195 bts_Flt16Vec_size( cpA, outVecPtrA, ptrL->altE.matE.heightE );
196
197 bts_CompactAlt_map( cpA, &ptrL->altE, inVecPtrA->arrE.arrPtrE, inVecPtrA->expE, outVecPtrA->arrE.arrPtrE, &outVecPtrA->expE );
198
199 bts_Flt16Vec_maximizeMantisse( cpA, outVecPtrA );
200}
201
202/* ------------------------------------------------------------------------- */
203
204/* ========================================================================= */
205