17f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* 27f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 37f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project * 47f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 57f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project * you may not use this file except in compliance with the License. 67f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project * You may obtain a copy of the License at 77f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project * 87f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 97f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project * 107f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project * Unless required by applicable law or agreed to in writing, software 117f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 127f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 137f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project * See the License for the specific language governing permissions and 147f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project * limitations under the License. 157f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project */ 167f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 177f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ---- includes ----------------------------------------------------------- */ 187f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 197f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project#include "b_BasicEm/Complex.h" 207f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project#include "b_BasicEm/APh.h" 217f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project#include "b_BasicEm/Functions.h" 227f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project#include "b_BasicEm/Math.h" 237f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 247f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 257f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 267f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 277f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* */ 287f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ---- \ghd{ auxiliary functions } ---------------------------------------- */ 297f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* */ 307f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 317f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 327f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 337f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 347f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 357f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* */ 367f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ---- \ghd{ constructor / destructor } ----------------------------------- */ 377f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* */ 387f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 397f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 407f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 417f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 427f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 437f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* */ 447f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ---- \ghd{ operators } -------------------------------------------------- */ 457f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* */ 467f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 477f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 487f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 497f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 507f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Projectflag bbs_Complex_equal( struct bbs_Complex compl1A, struct bbs_Complex compl2A ) 517f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project{ 527f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project return ( compl1A.realE == compl2A.realE ) && ( compl1A.imagE == compl2A.imagE ); 537f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project} 547f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 557f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 567f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 577f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 587f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* */ 597f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ---- \ghd{ query functions } -------------------------------------------- */ 607f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* */ 617f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 627f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 637f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 647f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 657f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 667f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* */ 677f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ---- \ghd{ modify functions } ------------------------------------------- */ 687f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* */ 697f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 707f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 717f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 727f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 737f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 747f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* */ 757f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ---- \ghd{ I/O } -------------------------------------------------------- */ 767f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* */ 777f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 787f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 797f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 807f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 817f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Projectuint32 bbs_Complex_memSize( struct bbs_Context* cpA, 827f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project struct bbs_Complex complA ) 837f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project{ 847f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project return bbs_SIZEOF16( complA.realE ) + bbs_SIZEOF16( complA.imagE ); 857f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project} 867f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 877f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 887f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 897f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Projectuint32 bbs_Complex_memWrite( struct bbs_Context* cpA, 907f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project const struct bbs_Complex* ptrA, 917f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project uint16* memPtrA ) 927f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project{ 937f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project memPtrA += bbs_memWrite16( &ptrA->realE, memPtrA ); 947f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project memPtrA += bbs_memWrite16( &ptrA->imagE, memPtrA ); 957f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project return bbs_Complex_memSize( cpA, *ptrA ); 967f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project} 977f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 987f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 997f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1007f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Projectuint32 bbs_Complex_memRead( struct bbs_Context* cpA, 1017f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project struct bbs_Complex* ptrA, 1027f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project const uint16* memPtrA ) 1037f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project{ 1047f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project if( bbs_Context_error( cpA ) ) return 0; 1057f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project memPtrA += bbs_memRead16( &ptrA->realE, memPtrA ); 1067f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project memPtrA += bbs_memRead16( &ptrA->imagE, memPtrA ); 1077f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project return bbs_Complex_memSize( cpA, *ptrA ); 1087f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project} 1097f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1107f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 1117f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1127f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 1137f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* */ 1147f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ---- \ghd{ exec functions } --------------------------------------------- */ 1157f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* */ 1167f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 1177f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1187f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Projectstruct bbs_Complex bbs_Complex_conj( struct bbs_Complex complA ) 1197f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project{ 1207f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project struct bbs_Complex resultL; 1217f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project resultL.imagE = - complA.imagE; 1227f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project resultL.realE = complA.realE; 1237f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project return resultL; 1247f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project} 1257f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1267f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 1277f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1287f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Projectuint32 bbs_Complex_abs2( struct bbs_Complex complA ) 1297f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project{ 1307f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project return ( int32 ) complA.realE * complA.realE + 1317f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project ( int32 ) complA.imagE * complA.imagE; 1327f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project} 1337f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1347f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 1357f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1367f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Projectuint16 bbs_Complex_abs( struct bbs_Complex complA ) 1377f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project{ 1387f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project return bbs_sqrt32( bbs_Complex_abs2( complA ) ); 1397f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project} 1407f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1417f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 1427f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1437f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Projectphase16 bbs_Complex_phase( struct bbs_Complex complA ) 1447f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project{ 1457f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project int32 realL, imagL; 1467f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project realL = complA.realE; 1477f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project imagL = complA.imagE; 1487f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1497f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project return bbs_phase16( realL, imagL ); 1507f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project} 1517f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1527f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 1537f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1547f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Projectvoid bbs_Complex_importAPh( struct bbs_Complex* dstPtrA, const struct bbs_APh* srcPtrA ) 1557f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project{ 1567f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project dstPtrA->realE = ( ( bbs_cos32( srcPtrA->phaseE ) >> 8 ) * srcPtrA->absE ) >> 16; 1577f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project dstPtrA->imagE = ( ( bbs_sin32( srcPtrA->phaseE ) >> 8 ) * srcPtrA->absE ) >> 16; 1587f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project} 1597f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1607f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ------------------------------------------------------------------------- */ 1617f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1627f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project/* ========================================================================= */ 1637f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 1647f81d9b6fa7f2ec161b682622db577a28c90b49fThe Android Open Source Project 165