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
bbs_APh_equal(struct bbs_APh aph1A,struct bbs_APh aph2A)48 flag 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
bbs_APh_memSize(struct bbs_Context * cpA,struct bbs_APh aPhA)80 uint32 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
bbs_APh_memWrite(struct bbs_Context * cpA,const struct bbs_APh * ptrA,uint16 * memPtrA)88 uint32 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
bbs_APh_memRead(struct bbs_Context * cpA,struct bbs_APh * ptrA,const uint16 * memPtrA)99 uint32 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
bbs_APh_conj(const struct bbs_APh aPhA)117 struct 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
bbs_APh_importComplex(struct bbs_APh * dstPtrA,const struct bbs_Complex * srcPtrA)127 void 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