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/APh.h"
21#include "b_BasicEm/Complex.h"
22#include "b_BasicEm/Math.h"
23
24/* ------------------------------------------------------------------------- */
25
26/* ========================================================================= */
27/*                                                                           */
28/* ---- \ghd{ auxiliary functions } ---------------------------------------- */
29/*                                                                           */
30/* ========================================================================= */
31
32/* ------------------------------------------------------------------------- */
33
34/* ========================================================================= */
35/*                                                                           */
36/* ---- \ghd{ constructor / destructor } ----------------------------------- */
37/*                                                                           */
38/* ========================================================================= */
39
40/* ------------------------------------------------------------------------- */
41
42/* ========================================================================= */
43/*                                                                           */
44/* ---- \ghd{ operators } -------------------------------------------------- */
45/*                                                                           */
46/* ========================================================================= */
47
48flag bbs_APh_equal( struct bbs_APh aph1A,
49					struct bbs_APh aph2A )
50{
51	return ( aph1A.absE == aph2A.absE ) && ( aph1A.phaseE == aph2A.phaseE );
52}
53
54/* ------------------------------------------------------------------------- */
55
56/* ========================================================================= */
57/*                                                                           */
58/* ---- \ghd{ query functions } -------------------------------------------- */
59/*                                                                           */
60/* ========================================================================= */
61
62/* ------------------------------------------------------------------------- */
63
64/* ========================================================================= */
65/*                                                                           */
66/* ---- \ghd{ modify functions } ------------------------------------------- */
67/*                                                                           */
68/* ========================================================================= */
69
70/* ------------------------------------------------------------------------- */
71
72/* ========================================================================= */
73/*                                                                           */
74/* ---- \ghd{ I/O } -------------------------------------------------------- */
75/*                                                                           */
76/* ========================================================================= */
77
78/* ------------------------------------------------------------------------- */
79
80uint32 bbs_APh_memSize( struct bbs_Context* cpA,
81					    struct bbs_APh aPhA )
82{
83	return bbs_SIZEOF16( aPhA.absE ) + bbs_SIZEOF16( aPhA.phaseE );
84}
85
86/* ------------------------------------------------------------------------- */
87
88uint32 bbs_APh_memWrite( struct bbs_Context* cpA,
89						 const struct bbs_APh* ptrA,
90						 uint16* memPtrA )
91{
92	memPtrA += bbs_memWrite16( &ptrA->absE, memPtrA );
93	memPtrA += bbs_memWrite16( &ptrA->phaseE, memPtrA );
94	return bbs_APh_memSize( cpA, *ptrA );
95}
96
97/* ------------------------------------------------------------------------- */
98
99uint32 bbs_APh_memRead( struct bbs_Context* cpA,
100					    struct bbs_APh* ptrA,
101						const uint16* memPtrA )
102{
103	if( bbs_Context_error( cpA ) ) return 0;
104	memPtrA += bbs_memRead16( &ptrA->absE, memPtrA );
105	memPtrA += bbs_memRead16( &ptrA->phaseE, memPtrA );
106	return bbs_APh_memSize( cpA, *ptrA );
107}
108
109/* ------------------------------------------------------------------------- */
110
111/* ========================================================================= */
112/*                                                                           */
113/* ---- \ghd{ exec functions } --------------------------------------------- */
114/*                                                                           */
115/* ========================================================================= */
116
117struct bbs_APh bbs_APh_conj( const struct bbs_APh aPhA )
118{
119	struct bbs_APh aphL;
120	aphL.absE = aPhA.absE;
121	aphL.phaseE = - aPhA.phaseE;
122	return aphL;
123}
124
125/* ------------------------------------------------------------------------- */
126
127void bbs_APh_importComplex( struct bbs_APh* dstPtrA,
128							const struct bbs_Complex* srcPtrA )
129{
130	dstPtrA->absE = bbs_sqrt32( ( int32 ) srcPtrA->realE * srcPtrA->realE + ( int32 ) srcPtrA->imagE * srcPtrA->imagE );
131	dstPtrA->phaseE = bbs_phase16( srcPtrA->realE, srcPtrA->imagE );
132}
133
134/* ========================================================================= */
135
136
137