1*88cf3e7dSBarry Smith /* $Id: pc.h,v 1.29 1995/08/03 00:38:39 bsmith Exp bsmith $ */ 2d03aef70SBarry Smith 3d03aef70SBarry Smith /* 4d03aef70SBarry Smith Preconditioner module. 5d03aef70SBarry Smith */ 6d03aef70SBarry Smith #if !defined(__PC_PACKAGE) 7d03aef70SBarry Smith #define __PC_PACKAGE 8d03aef70SBarry Smith #include "petsc.h" 9d03aef70SBarry Smith #include "mat.h" 10d03aef70SBarry Smith 11070d5079SBarry Smith typedef enum { PCNONE, PCJACOBI, PCSOR, PCLU, PCSHELL, PCBJACOBI, PCMG, 12*88cf3e7dSBarry Smith PCEISENSTAT, PCILU, PCICC, PCSPAI } PCMethod; 13d03aef70SBarry Smith 14d03aef70SBarry Smith typedef struct _PC* PC; 159e25ed09SBarry Smith #define PC_COOKIE PETSC_COOKIE+9 16d03aef70SBarry Smith 176b5873e3SBarry Smith extern int PCCreate(MPI_Comm,PC*); 18ca9b4cbeSLois Curfman McInnes extern int PCSetMethod(PC,PCMethod); 198ed539a5SBarry Smith extern int PCSetUp(PC); 20aabeff55SBarry Smith extern int PCApply(PC,Vec,Vec); 21aabeff55SBarry Smith extern int PCApplyBAorAB(PC,int,Vec,Vec,Vec); 22aabeff55SBarry Smith extern int PCApplyTrans(PC,Vec,Vec); 23aabeff55SBarry Smith extern int PCApplyBAorABTrans(PC,int,Vec,Vec,Vec); 24aabeff55SBarry Smith extern int PCApplyRichardson(PC,Vec,Vec,Vec,int); 258ed539a5SBarry Smith extern int PCApplyRichardsonExists(PC); 268ed539a5SBarry Smith extern int PCRegisterAll(); 27d6dfbf8fSBarry Smith extern int PCRegisterDestroy(); 28ca9b4cbeSLois Curfman McInnes extern int PCRegister(PCMethod,char *,int (*)(PC)); 298ed539a5SBarry Smith extern int PCDestroy(PC); 308ed539a5SBarry Smith extern int PCSetFromOptions(PC); 31ca9b4cbeSLois Curfman McInnes extern int PCGetMethodFromContext(PC,PCMethod*); 32ca9b4cbeSLois Curfman McInnes extern int PCGetMethodName(PCMethod,char **); 33291315efSLois Curfman McInnes extern int PCGetFactoredMatrix(PC,Mat*); 345b116368SBarry Smith 355b116368SBarry Smith /* Flags for PCSetOperators */ 3696e03844SLois Curfman McInnes typedef enum {ALLMAT_DIFFERENT_NONZERO_PATTERN=0,MAT_SAME_NONZERO_PATTERN=1, 3796e03844SLois Curfman McInnes PMAT_SAME_NONZERO_PATTERN=2,ALLMAT_SAME_NONZERO_PATTERN=3} 3896e03844SLois Curfman McInnes MatStructure; 395b116368SBarry Smith 4096e03844SLois Curfman McInnes extern int PCSetOperators(PC,Mat,Mat,MatStructure); 4128988994SBarry Smith extern int PCBJacobiSetUseTrueLocal(PC); 428ed539a5SBarry Smith extern int PCSetVector(PC,Vec); 438ed539a5SBarry Smith extern int PCPrintHelp(PC); 44023758ceSLois Curfman McInnes extern int PCView(PC,Viewer); 451eb62cbbSBarry Smith extern int PCSetOptionsPrefix(PC,char*); 468ed539a5SBarry Smith 47ddda3453SLois Curfman McInnes extern int PCSORSetSymmetric(PC, MatSORType); 488ed539a5SBarry Smith extern int PCSORSetOmega(PC, double); 495b116368SBarry Smith extern int PCEisenstatSetOmega(PC, double); 5020563c6bSBarry Smith extern int PCSORSetIterations(PC, int); 51d03aef70SBarry Smith 521eb62cbbSBarry Smith extern int PCBJacobiSetBlocks(PC, int); 531eb62cbbSBarry Smith 54e3e2a4cfSLois Curfman McInnes extern int PCBSIterSetBlockSolve(PC); 55e3e2a4cfSLois Curfman McInnes extern int PCBSIterSetFrompOptions(PC); 56e3e2a4cfSLois Curfman McInnes extern int PCBSIterSolve(PC,Vec,Vec,int*); 57c06847eeSLois Curfman McInnes 58aabeff55SBarry Smith extern int PCShellSetApply(PC, int (*)(void*,Vec,Vec), void*); 59f0479e8cSBarry Smith extern int PCShellSetApplyRichardson(PC,int (*)(void*,Vec,Vec,Vec,int),void*); 60aabeff55SBarry Smith 61722fc279SLois Curfman McInnes extern int PCGetOperators(PC,Mat*,Mat*,MatStructure*); 62da3a660dSBarry Smith 6398c7c891SBarry Smith extern int PCLUSetOrdering(PC,MatOrdering); 64070d5079SBarry Smith extern int PCLUSetUseInplace(PC); 6598c7c891SBarry Smith extern int PCILUSetOrdering(PC,MatOrdering); 669e25ed09SBarry Smith extern int PCILUSetLevels(PC,int); 6724a74354SBarry Smith extern int PCEisenstatUseDiagonalScaling(PC); 689e25ed09SBarry Smith 6960907fceSBarry Smith extern int PCSPAISetParameters(PC,int,int,double); 7060907fceSBarry Smith extern int PCSPAIGetApproximateInverse(PC,Mat*); 7160907fceSBarry Smith 72d03aef70SBarry Smith #endif 73da3a660dSBarry Smith 74