Int16Mat2D.h revision 30957f56b33a18c5a4af787f25b9f145f2803634
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_INT16MAT2D_EM_H 18#define bts_INT16MAT2D_EM_H 19 20/* ---- includes ----------------------------------------------------------- */ 21 22#include "b_BasicEm/Basic.h" 23#include "b_BasicEm/Phase.h" 24#include "b_TensorEm/Int16Vec2D.h" 25 26/* ---- related objects --------------------------------------------------- */ 27 28/* ---- typedefs ----------------------------------------------------------- */ 29 30/* ---- constants ---------------------------------------------------------- */ 31 32/* ---- object definition -------------------------------------------------- */ 33 34/** 2d matrix */ 35struct bts_Int16Mat2D 36{ 37 38 /* ---- private data --------------------------------------------------- */ 39 40 /* ---- public data ---------------------------------------------------- */ 41 42 /** xx component */ 43 int16 xxE; 44 45 /** xy component */ 46 int16 xyE; 47 48 /** yx component */ 49 int16 yxE; 50 51 /** yy component */ 52 int16 yyE; 53 54 /** fixed point position */ 55 int16 bbpE; 56}; 57 58/* ---- associated objects ------------------------------------------------- */ 59 60/* ---- external functions ------------------------------------------------- */ 61 62/* ---- \ghd{ constructor/destructor } ------------------------------------- */ 63 64/* ---- \ghd{ operators } -------------------------------------------------- */ 65 66/* ---- \ghd{ query functions } -------------------------------------------- */ 67 68/* ---- \ghd{ modify functions } ------------------------------------------- */ 69 70/* ---- \ghd{ memory I/O } ------------------------------------------------- */ 71 72/* ---- \ghd{ exec functions } --------------------------------------------- */ 73 74/** creates identity matrix */ 75struct bts_Int16Mat2D bts_Int16Mat2D_createIdentity( void ); 76 77/** creates rotation matrix */ 78struct bts_Int16Mat2D bts_Int16Mat2D_createRotation( phase16 angleA ); 79 80/** creates rigid matrix (scale & rotation) */ 81struct bts_Int16Mat2D bts_Int16Mat2D_createRigid( phase16 angleA, struct flt16 scaleA ); 82 83/** scales matrix by a factor */ 84void bts_Int16Mat2D_scale( struct bts_Int16Mat2D* ptrA, struct flt16 scaleA ); 85 86/** multiplies matrix with vecA; returns resulting vector */ 87struct bts_Int16Vec2D bts_Int16Mat2D_map( const struct bts_Int16Mat2D* matPtrA, 88 const struct bts_Int16Vec2D* vecPtrA ); 89 90/** multiplies matrix with matA; returns resulting matrix */ 91struct bts_Int16Mat2D bts_Int16Mat2D_mul( const struct bts_Int16Mat2D* mat1PtrA, 92 const struct bts_Int16Mat2D* mat2PtrA ); 93 94#endif /* bts_INT16MAT2D_EM_H */ 95 96