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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 bbs_APH_H
     18 #define bbs_APH_H
     19 
     20 /* ---- includes ----------------------------------------------------------- */
     21 
     22 #include "b_BasicEm/Context.h"
     23 #include "b_BasicEm/Basic.h"
     24 #include "b_BasicEm/Phase.h"
     25 
     26 /* ---- related objects  --------------------------------------------------- */
     27 
     28 struct bbs_Complex;
     29 
     30 /* ---- typedefs ----------------------------------------------------------- */
     31 
     32 /* ---- constants ---------------------------------------------------------- */
     33 
     34 /* ---- object definition -------------------------------------------------- */
     35 
     36 /** Object representing absolute and phase value of a complex number */
     37 struct bbs_APh
     38 {
     39 
     40 	/* ---- private data --------------------------------------------------- */
     41 
     42 	/* ---- public data ---------------------------------------------------- */
     43 
     44 	/** absolute value */
     45 	uint16 absE;
     46 
     47 	/** phase value */
     48 	phase16 phaseE;
     49 
     50 };
     51 
     52 /* ---- associated objects ------------------------------------------------- */
     53 
     54 /* ---- external functions ------------------------------------------------- */
     55 
     56 /* ---- \ghd{ constructor/destructor } ------------------------------------- */
     57 
     58 /* ---- \ghd{ operators } -------------------------------------------------- */
     59 
     60 /** equal operator */
     61 flag bbs_APh_equal( struct bbs_APh aph1A,
     62 					struct bbs_APh aph2A );
     63 
     64 /* ---- \ghd{ query functions } -------------------------------------------- */
     65 
     66 /* ---- \ghd{ modify functions } ------------------------------------------- */
     67 
     68 /* ---- \ghd{ memory I/O } ------------------------------------------------- */
     69 
     70 /** size in 16-bit words object needs when written to memory */
     71 uint32 bbs_APh_memSize( struct bbs_Context* cpA,
     72 					    struct bbs_APh aPhA );
     73 
     74 /** writes object to memory; returns number of 16-bit words written */
     75 uint32 bbs_APh_memWrite( struct bbs_Context* cpA,
     76 						 const struct bbs_APh* ptrA,
     77 						 uint16* memPtrA );
     78 
     79 /** reads object from memory; returns number of 16-bit words read */
     80 uint32 bbs_APh_memRead( struct bbs_Context* cpA,
     81 					    struct bbs_APh* ptrA,
     82 						const uint16* memPtrA );
     83 
     84 /* ---- \ghd{ exec functions } --------------------------------------------- */
     85 
     86 /** conjugated value */
     87 struct bbs_APh bbs_APh_conj( const struct bbs_APh aPhA );
     88 
     89 /** imports complex value */
     90 void bbs_APh_importComplex( struct bbs_APh* dstPtrA,
     91 							const struct bbs_Complex* srcPtrA );
     92 
     93 /* ------------------------------------------------------------------------- */
     94 
     95 #endif /* bbs_APH_H */
     96