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 #ifndef bts_ALT_EM_H 18 #define bts_ALT_EM_H 19 20 /* ---- includes ----------------------------------------------------------- */ 21 22 #include "b_BasicEm/Context.h" 23 #include "b_BasicEm/Basic.h" 24 #include "b_BasicEm/MemTbl.h" 25 #include "b_TensorEm/VectorMap.h" 26 #include "b_TensorEm/CompactAlt.h" 27 28 /* ---- related objects --------------------------------------------------- */ 29 30 /* ---- typedefs ----------------------------------------------------------- */ 31 32 /* ---- constants ---------------------------------------------------------- */ 33 34 /** data format version number */ 35 #define bts_ALT_VERSION 100 36 37 /* ---- object definition -------------------------------------------------- */ 38 39 /** applies affine linear transformation to vector */ 40 struct bts_Alt 41 { 42 /* ---- public data ---------------------------------------------------- */ 43 44 /** base element (must be first element) */ 45 struct bts_VectorMap baseE; 46 47 /* ---- private data --------------------------------------------------- */ 48 49 /* ---- public data ---------------------------------------------------- */ 50 51 /* affine linear transformation */ 52 struct bts_CompactAlt altE; 53 54 }; 55 56 /* ---- associated objects ------------------------------------------------- */ 57 58 /* ---- external functions ------------------------------------------------- */ 59 60 /* ---- \ghd{ constructor/destructor } ------------------------------------- */ 61 62 /** initializes bts_Alt */ 63 void bts_Alt_init( struct bbs_Context* cpA, 64 struct bts_Alt* ptrA ); 65 66 /** resets bts_Alt */ 67 void bts_Alt_exit( struct bbs_Context* cpA, 68 struct bts_Alt* ptrA ); 69 70 /* ---- \ghd{ operators } -------------------------------------------------- */ 71 72 /** copy operator */ 73 void bts_Alt_copy( struct bbs_Context* cpA, 74 struct bts_Alt* ptrA, 75 const struct bts_Alt* srcPtrA ); 76 77 /** equal operator */ 78 flag bts_Alt_equal( struct bbs_Context* cpA, 79 const struct bts_Alt* ptrA, 80 const struct bts_Alt* srcPtrA ); 81 82 /* ---- \ghd{ query functions } -------------------------------------------- */ 83 84 /* ---- \ghd{ modify functions } ------------------------------------------- */ 85 86 /* ---- \ghd{ memory I/O } ------------------------------------------------- */ 87 88 /** word size (16-bit) object needs when written to memory */ 89 uint32 bts_Alt_memSize( struct bbs_Context* cpA, 90 const struct bts_Alt* ptrA ); 91 92 /** writes object to memory; returns number of words (16-bit) written */ 93 uint32 bts_Alt_memWrite( struct bbs_Context* cpA, 94 const struct bts_Alt* ptrA, uint16* memPtrA ); 95 96 /** reads object from memory; returns number of words (16-bit) read */ 97 uint32 bts_Alt_memRead( struct bbs_Context* cpA, 98 struct bts_Alt* ptrA, 99 const uint16* memPtrA, 100 struct bbs_MemTbl* mtpA ); 101 102 /* ---- \ghd{ exec functions } --------------------------------------------- */ 103 104 /** Vector map operation. 105 * Maps vector inVec to outVec (overflow-safe) 106 * Memory areas of vectors may not overlap 107 */ 108 void bts_Alt_map( struct bbs_Context* cpA, 109 const struct bts_VectorMap* ptrA, 110 const struct bts_Flt16Vec* inVecPtrA, 111 struct bts_Flt16Vec* outVecPtrA ); 112 113 #endif /* bts_ALT_EM_H */ 114 115
