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 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 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 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 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 /* ------------------------------------------------------------------------- */ 115 116 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 /* ------------------------------------------------------------------------- */ 129 130 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 /* ------------------------------------------------------------------------- */ 144 145 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 /* ------------------------------------------------------------------------- */ 177 178 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
