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      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_FLT16MAT3D_EM_H
     18 #define bts_FLT16MAT3D_EM_H
     19 
     20 /* ---- includes ----------------------------------------------------------- */
     21 
     22 #include "b_BasicEm/Context.h"
     23 #include "b_BasicEm/Basic.h"
     24 #include "b_BasicEm/Phase.h"
     25 #include "b_TensorEm/Int16Vec3D.h"
     26 #include "b_TensorEm/Flt16Vec3D.h"
     27 
     28 /* ---- related objects  --------------------------------------------------- */
     29 
     30 /* ---- typedefs ----------------------------------------------------------- */
     31 
     32 /* ---- constants ---------------------------------------------------------- */
     33 
     34 /* ---- object definition -------------------------------------------------- */
     35 
     36 /** 3d matrix with floating point */
     37 struct bts_Flt16Mat3D
     38 {
     39 
     40 	/* ---- private data --------------------------------------------------- */
     41 
     42 	/* ---- public data ---------------------------------------------------- */
     43 
     44 	/** xx component */
     45 	int16 xxE;
     46 
     47 	/** xy component */
     48 	int16 xyE;
     49 
     50 	/** xz component */
     51 	int16 xzE;
     52 
     53 	/** yx component */
     54 	int16 yxE;
     55 
     56 	/** yy component */
     57 	int16 yyE;
     58 
     59 	/** yz component */
     60 	int16 yzE;
     61 
     62 	/** zx component */
     63 	int16 zxE;
     64 
     65 	/** zy component */
     66 	int16 zyE;
     67 
     68 	/** zz component */
     69 	int16 zzE;
     70 
     71 	/** point position */
     72 	int16 bbpE;
     73 };
     74 
     75 /* ---- associated objects ------------------------------------------------- */
     76 
     77 /* ---- external functions ------------------------------------------------- */
     78 
     79 /* ---- \ghd{ constructor/destructor } ------------------------------------- */
     80 
     81 /** initializes matrix */
     82 void bts_Flt16Mat3D_init( struct bts_Flt16Mat3D* ptrA );
     83 
     84 /** destroys matrix */
     85 void bts_Flt16Mat3D_exit( struct bts_Flt16Mat3D* ptrA );
     86 
     87 /* ---- \ghd{ operators } -------------------------------------------------- */
     88 
     89 /* ---- \ghd{ query functions } -------------------------------------------- */
     90 
     91 /* ---- \ghd{ modify functions } ------------------------------------------- */
     92 
     93 /* ---- \ghd{ memory I/O } ------------------------------------------------- */
     94 
     95 /** size object needs when written to memory */
     96 uint32 bts_Flt16Mat3D_memSize( struct bbs_Context* cpA,
     97 							   const struct bts_Flt16Mat3D* ptrA );
     98 
     99 /** writes object to memory; returns number of bytes written */
    100 uint32 bts_Flt16Mat3D_memWrite( struct bbs_Context* cpA,
    101 							    const struct bts_Flt16Mat3D* ptrA,
    102 								uint16* memPtrA );
    103 
    104 /** reads object from memory; returns number of bytes read */
    105 uint32 bts_Flt16Mat3D_memRead( struct bbs_Context* cpA,
    106 							   struct bts_Flt16Mat3D* ptrA,
    107 							   const uint16* memPtrA );
    108 
    109 /* ---- \ghd{ exec functions } --------------------------------------------- */
    110 
    111 /** creates identity matrix */
    112 struct bts_Flt16Mat3D bts_Flt16Mat3D_createIdentity( void );
    113 
    114 /** creates scale matrix */
    115 struct bts_Flt16Mat3D bts_Flt16Mat3D_createScale( int32 scaleA, int32 scaleBbpA );
    116 
    117 /** creates matrix from 16 bit values */
    118 struct bts_Flt16Mat3D bts_Flt16Mat3D_create16( int16 xxA, int16 xyA, int16 xzA,
    119 											   int16 yxA, int16 yyA, int16 yzA,
    120 											   int16 zxA, int16 zyA, int16 zzA,
    121 											   int16 bbpA );
    122 
    123 /** creates matrix from 32 bit values (automatic adjustment of bbp value) */
    124 struct bts_Flt16Mat3D bts_Flt16Mat3D_create32( int32 xxA, int32 xyA, int32 xzA,
    125 											   int32 yxA, int32 yyA, int32 yzA,
    126 											   int32 zxA, int32 zyA, int32 zzA,
    127 											   int32 bbpA );
    128 
    129 /** scales matrix by a factor */
    130 void bts_Flt16Mat3D_scale( struct bts_Flt16Mat3D* ptrA, int32 scaleA, int32 scaleBbpA );
    131 
    132 /** multiplies matrix with vecA; returns resulting vector */
    133 #ifndef HW_EE /* causes internal compiler error in ee-gcc */
    134 struct bts_Int16Vec3D bts_Flt16Mat3D_map( const struct bts_Flt16Mat3D* matPtrA,
    135 								          const struct bts_Int16Vec3D* vecPtrA );
    136 #endif
    137 /** Multiplies matrix with float vecA; returns resulting vector.
    138  *  The point position of returned vector is the same as of the input vector.
    139  */
    140 struct bts_Flt16Vec3D bts_Flt16Mat3D_mapFlt( const struct bts_Flt16Mat3D* matPtrA,
    141 								             const struct bts_Flt16Vec3D* vecPtrA );
    142 
    143 /** multiplies matrix with matA; returns resulting matrix */
    144 struct bts_Flt16Mat3D bts_Flt16Mat3D_mul( const struct bts_Flt16Mat3D* mat1PtrA,
    145 								          const struct bts_Flt16Mat3D* mat2PtrA );
    146 
    147 /** multiplies matrix with matA; returns pointer to resulting matrix */
    148 struct bts_Flt16Mat3D* bts_Flt16Mat3D_mulTo( struct bts_Flt16Mat3D* mat1PtrA,
    149 				                             const struct bts_Flt16Mat3D* mat2PtrA );
    150 
    151 #endif /* bts_FLT16MAT3D_EM_H */
    152 
    153