The Android Open Source Project | 30957f5 | 2008-10-21 07:00:00 -0700 | [diff] [blame] | 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_FLT16VEC3D_EM_H |
| 18 | #define bts_FLT16VEC3D_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 | |
| 26 | /* ---- related objects --------------------------------------------------- */ |
| 27 | |
| 28 | /* ---- typedefs ----------------------------------------------------------- */ |
| 29 | |
| 30 | /* ---- constants ---------------------------------------------------------- */ |
| 31 | |
| 32 | /* ---- object definition -------------------------------------------------- */ |
| 33 | |
| 34 | /** 3d vector with floating point */ |
| 35 | struct bts_Flt16Vec3D |
| 36 | { |
| 37 | |
| 38 | /* ---- private data --------------------------------------------------- */ |
| 39 | |
| 40 | /* ---- public data ---------------------------------------------------- */ |
| 41 | |
| 42 | /** x component */ |
| 43 | int16 xE; |
| 44 | |
| 45 | /** y component */ |
| 46 | int16 yE; |
| 47 | |
| 48 | /** z component */ |
| 49 | int16 zE; |
| 50 | |
| 51 | /** point position */ |
| 52 | int16 bbpE; |
| 53 | }; |
| 54 | |
| 55 | /* ---- associated objects ------------------------------------------------- */ |
| 56 | |
| 57 | /* ---- external functions ------------------------------------------------- */ |
| 58 | |
| 59 | /* ---- \ghd{ constructor/destructor } ------------------------------------- */ |
| 60 | |
| 61 | /** initializes vector */ |
| 62 | void bts_Flt16Vec3D_init( struct bts_Flt16Vec3D* ptrA ); |
| 63 | |
| 64 | /** destroys vector */ |
| 65 | void bts_Flt16Vec3D_exit( struct bts_Flt16Vec3D* ptrA ); |
| 66 | |
| 67 | /* ---- \ghd{ operators } -------------------------------------------------- */ |
| 68 | |
| 69 | /** equal operator */ |
| 70 | flag bts_Flt16Vec3D_equal( const struct bts_Flt16Vec3D* ptrA, const struct bts_Flt16Vec3D* srcPtrA ); |
| 71 | |
| 72 | /* ---- \ghd{ query functions } -------------------------------------------- */ |
| 73 | |
| 74 | /* ---- \ghd{ modify functions } ------------------------------------------- */ |
| 75 | |
| 76 | /* ---- \ghd{ memory I/O } ------------------------------------------------- */ |
| 77 | |
| 78 | /** size object needs when written to memory */ |
| 79 | uint32 bts_Flt16Vec3D_memSize( struct bbs_Context* cpA, |
| 80 | const struct bts_Flt16Vec3D* ptrA ); |
| 81 | |
| 82 | /** writes object to memory; returns number of bytes written */ |
| 83 | uint32 bts_Flt16Vec3D_memWrite( struct bbs_Context* cpA, |
| 84 | const struct bts_Flt16Vec3D* ptrA, |
| 85 | uint16* memPtrA ); |
| 86 | |
| 87 | /** reads object from memory; returns number of bytes read */ |
| 88 | uint32 bts_Flt16Vec3D_memRead( struct bbs_Context* cpA, |
| 89 | struct bts_Flt16Vec3D* ptrA, |
| 90 | const uint16* memPtrA ); |
| 91 | |
| 92 | /* ---- \ghd{ exec functions } --------------------------------------------- */ |
| 93 | |
| 94 | /** creates vector from 16 bit values */ |
| 95 | struct bts_Flt16Vec3D bts_Flt16Vec3D_create16( int16 xA, int16 yA, int16 zA, int16 bbpA ); |
| 96 | |
| 97 | /** creates vector from 32 bit values (automatic adjustment of bbp value) */ |
| 98 | struct bts_Flt16Vec3D bts_Flt16Vec3D_create32( int32 xA, int32 yA, int32 zA, int32 bbpA ); |
| 99 | |
| 100 | /** returns square norm of vector; return bbp is ptrA->bbpE * 2 */ |
| 101 | uint32 bts_Flt16Vec3D_norm2( const struct bts_Flt16Vec3D* ptrA ); |
| 102 | |
| 103 | /** returns norm of vector; return bbp is ptrA->bbpE*/ |
| 104 | uint16 bts_Flt16Vec3D_norm( const struct bts_Flt16Vec3D* ptrA ); |
| 105 | |
| 106 | /** normalizes vector; bbpA defines number of bits behind the point */ |
| 107 | void bts_Flt16Vec3D_normalize( struct bts_Flt16Vec3D* ptrA ); |
| 108 | |
| 109 | /** returns normalized vector; bbpA defines number of bits behind the point */ |
| 110 | struct bts_Flt16Vec3D bts_Flt16Vec3D_normalized( const struct bts_Flt16Vec3D* ptrA ); |
| 111 | |
| 112 | /** adds two vectors; returns resulting vector */ |
| 113 | struct bts_Flt16Vec3D bts_Flt16Vec3D_add( struct bts_Flt16Vec3D vec1A, struct bts_Flt16Vec3D vec2A ); |
| 114 | |
| 115 | /** subtracts vec1A - vec2A; returns resulting vector */ |
| 116 | struct bts_Flt16Vec3D bts_Flt16Vec3D_sub( struct bts_Flt16Vec3D vec1A, struct bts_Flt16Vec3D vec2A ); |
| 117 | |
| 118 | /** multiplies vecor with scalar; returns resulting vector */ |
| 119 | struct bts_Flt16Vec3D bts_Flt16Vec3D_mul( struct bts_Flt16Vec3D vecA, int16 factorA, int32 bbpFactorA ); |
| 120 | |
| 121 | #endif /* bts_FLT16VEC3D_EM_H */ |
| 122 | |