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 41 void 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 53 void 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 71 void 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 80 flag 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 /* ------------------------------------------------------------------------- */ 113 114 uint32 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 /* ------------------------------------------------------------------------- */ 125 126 uint32 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 /* ------------------------------------------------------------------------- */ 139 140 uint32 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 /* ------------------------------------------------------------------------- */ 174 175 void 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 /* ========================================================================= */ 205 206
