Actual source code: dlregisnep.c
slepc-3.21.1 2024-04-26
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      1: /*
      2:    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
      3:    SLEPc - Scalable Library for Eigenvalue Problem Computations
      4:    Copyright (c) 2002-, Universitat Politecnica de Valencia, Spain

      6:    This file is part of SLEPc.
      7:    SLEPc is distributed under a 2-clause BSD license (see LICENSE).
      8:    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
      9: */

     11: #include <slepc/private/nepimpl.h>

     13: static PetscBool NEPPackageInitialized = PETSC_FALSE;

     15: const char *NEPErrorTypes[] = {"ABSOLUTE","RELATIVE","BACKWARD","NEPErrorType","NEP_ERROR_",NULL};
     16: const char *NEPRefineTypes[] = {"NONE","SIMPLE","MULTIPLE","NEPRefine","NEP_REFINE_",NULL};
     17: const char *NEPRefineSchemes[] = {"","SCHUR","MBE","EXPLICIT","NEPRefineScheme","NEP_REFINE_SCHEME_",NULL};
     18: const char *NEPCISSExtractions[] = {"RITZ","HANKEL","CAA","NEPCISSExtraction","NEP_CISS_EXTRACTION_",NULL};
     19: const char *const NEPConvergedReasons_Shifted[] = {"DIVERGED_SUBSPACE_EXHAUSTED","DIVERGED_LINEAR_SOLVE","","DIVERGED_BREAKDOWN","DIVERGED_ITS","CONVERGED_ITERATING","CONVERGED_TOL","CONVERGED_USER","NEPConvergedReason","NEP_",NULL};
     20: const char *const*NEPConvergedReasons = NEPConvergedReasons_Shifted + 5;

     22: /*@C
     23:    NEPFinalizePackage - This function destroys everything in the Slepc interface
     24:    to the NEP package. It is called from SlepcFinalize().

     26:    Level: developer

     28: .seealso: SlepcFinalize()
     29: @*/
     30: PetscErrorCode NEPFinalizePackage(void)
     31: {
     32:   PetscFunctionBegin;
     33:   PetscCall(PetscFunctionListDestroy(&NEPList));
     34:   PetscCall(PetscFunctionListDestroy(&NEPMonitorList));
     35:   PetscCall(PetscFunctionListDestroy(&NEPMonitorCreateList));
     36:   PetscCall(PetscFunctionListDestroy(&NEPMonitorDestroyList));
     37:   NEPPackageInitialized       = PETSC_FALSE;
     38:   NEPRegisterAllCalled        = PETSC_FALSE;
     39:   NEPMonitorRegisterAllCalled = PETSC_FALSE;
     40:   PetscFunctionReturn(PETSC_SUCCESS);
     41: }

     43: /*@C
     44:    NEPInitializePackage - This function initializes everything in the NEP package.
     45:    It is called from PetscDLLibraryRegister() when using dynamic libraries, and
     46:    on the first call to NEPCreate() when using static libraries.

     48:    Level: developer

     50: .seealso: SlepcInitialize()
     51: @*/
     52: PetscErrorCode NEPInitializePackage(void)
     53: {
     54:   char           logList[256];
     55:   PetscBool      opt,pkg;
     56:   PetscClassId   classids[1];

     58:   PetscFunctionBegin;
     59:   if (NEPPackageInitialized) PetscFunctionReturn(PETSC_SUCCESS);
     60:   NEPPackageInitialized = PETSC_TRUE;
     61:   /* Register Classes */
     62:   PetscCall(PetscClassIdRegister("NEP Solver",&NEP_CLASSID));
     63:   /* Register Constructors */
     64:   PetscCall(NEPRegisterAll());
     65:   /* Register Monitors */
     66:   PetscCall(NEPMonitorRegisterAll());
     67:   /* Register Events */
     68:   PetscCall(PetscLogEventRegister("NEPSetUp",NEP_CLASSID,&NEP_SetUp));
     69:   PetscCall(PetscLogEventRegister("NEPSolve",NEP_CLASSID,&NEP_Solve));
     70:   PetscCall(PetscLogEventRegister("NEPRefine",NEP_CLASSID,&NEP_Refine));
     71:   PetscCall(PetscLogEventRegister("NEPFunctionEval",NEP_CLASSID,&NEP_FunctionEval));
     72:   PetscCall(PetscLogEventRegister("NEPJacobianEval",NEP_CLASSID,&NEP_JacobianEval));
     73:   PetscCall(PetscLogEventRegister("NEPResolvent",NEP_CLASSID,&NEP_Resolvent));
     74:   PetscCall(PetscLogEventRegister("NEPCISS_SVD",NEP_CLASSID,&NEP_CISS_SVD));
     75:   /* Process Info */
     76:   classids[0] = NEP_CLASSID;
     77:   PetscCall(PetscInfoProcessClass("nep",1,&classids[0]));
     78:   /* Process summary exclusions */
     79:   PetscCall(PetscOptionsGetString(NULL,NULL,"-log_exclude",logList,sizeof(logList),&opt));
     80:   if (opt) {
     81:     PetscCall(PetscStrInList("nep",logList,',',&pkg));
     82:     if (pkg) PetscCall(PetscLogEventDeactivateClass(NEP_CLASSID));
     83:   }
     84:   /* Register package finalizer */
     85:   PetscCall(PetscRegisterFinalize(NEPFinalizePackage));
     86:   PetscFunctionReturn(PETSC_SUCCESS);
     87: }

     89: #if defined(PETSC_HAVE_DYNAMIC_LIBRARIES)
     90: /*
     91:   PetscDLLibraryRegister - This function is called when the dynamic library
     92:   it is in is opened.

     94:   This one registers all the NEP methods that are in the basic SLEPc libslepcnep
     95:   library.
     96:  */
     97: SLEPC_EXTERN PetscErrorCode PetscDLLibraryRegister_slepcnep(void)
     98: {
     99:   PetscFunctionBegin;
    100:   PetscCall(NEPInitializePackage());
    101:   PetscFunctionReturn(PETSC_SUCCESS);
    102: }
    103: #endif /* PETSC_HAVE_DYNAMIC_LIBRARIES */