Actual source code: dlregissvd.c

slepc-3.18.3 2023-03-24
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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/svdimpl.h>

 13: static PetscBool SVDPackageInitialized = PETSC_FALSE;

 15: const char *SVDTRLanczosGBidiags[] = {"SINGLE","UPPER","LOWER","SVDTRLanczosGBidiag","SVD_TRLANCZOS_GBIDIAG_",NULL};
 16: const char *SVDErrorTypes[] = {"ABSOLUTE","RELATIVE","SVDErrorType","SVD_ERROR_",NULL};
 17: const char *SVDPRIMMEMethods[] = {"","HYBRID","NORMALEQUATIONS","AUGMENTED","SVDPRIMMEMethod","SVD_PRIMME_",NULL};
 18: const char *const SVDConvergedReasons_Shifted[] = {"","","DIVERGED_BREAKDOWN","DIVERGED_ITS","CONVERGED_ITERATING","CONVERGED_TOL","CONVERGED_USER","CONVERGED_MAXIT","SVDConvergedReason","SVD_",NULL};
 19: const char *const*SVDConvergedReasons = SVDConvergedReasons_Shifted + 4;

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

 25:    Level: developer

 27: .seealso: SlepcFinalize()
 28: @*/
 29: PetscErrorCode SVDFinalizePackage(void)
 30: {
 31:   PetscFunctionListDestroy(&SVDList);
 32:   PetscFunctionListDestroy(&SVDMonitorList);
 33:   PetscFunctionListDestroy(&SVDMonitorCreateList);
 34:   PetscFunctionListDestroy(&SVDMonitorDestroyList);
 35:   SVDPackageInitialized       = PETSC_FALSE;
 36:   SVDRegisterAllCalled        = PETSC_FALSE;
 37:   SVDMonitorRegisterAllCalled = PETSC_FALSE;
 38:   return 0;
 39: }

 41: /*@C
 42:    SVDInitializePackage - This function initializes everything in the SVD package.
 43:    It is called from PetscDLLibraryRegister() when using dynamic libraries, and
 44:    on the first call to SVDCreate() when using static libraries.

 46:    Level: developer

 48: .seealso: SlepcInitialize()
 49: @*/
 50: PetscErrorCode SVDInitializePackage(void)
 51: {
 52:   char           logList[256];
 53:   PetscBool      opt,pkg;
 54:   PetscClassId   classids[1];

 56:   if (SVDPackageInitialized) return 0;
 57:   SVDPackageInitialized = PETSC_TRUE;
 58:   /* Register Classes */
 59:   PetscClassIdRegister("SVD Solver",&SVD_CLASSID);
 60:   /* Register Constructors */
 61:   SVDRegisterAll();
 62:   /* Register Monitors */
 63:   SVDMonitorRegisterAll();
 64:   /* Register Events */
 65:   PetscLogEventRegister("SVDSetUp",SVD_CLASSID,&SVD_SetUp);
 66:   PetscLogEventRegister("SVDSolve",SVD_CLASSID,&SVD_Solve);
 67:   /* Process Info */
 68:   classids[0] = SVD_CLASSID;
 69:   PetscInfoProcessClass("svd",1,&classids[0]);
 70:   /* Process summary exclusions */
 71:   PetscOptionsGetString(NULL,NULL,"-log_exclude",logList,sizeof(logList),&opt);
 72:   if (opt) {
 73:     PetscStrInList("svd",logList,',',&pkg);
 74:     if (pkg) PetscLogEventDeactivateClass(SVD_CLASSID);
 75:   }
 76:   /* Register package finalizer */
 77:   PetscRegisterFinalize(SVDFinalizePackage);
 78:   return 0;
 79: }

 81: #if defined(PETSC_HAVE_DYNAMIC_LIBRARIES)
 82: /*
 83:   PetscDLLibraryRegister - This function is called when the dynamic library
 84:   it is in is opened.

 86:   This one registers all the SVD methods that are in the basic SLEPc libslepcsvd
 87:   library.
 88:  */
 89: SLEPC_EXTERN PetscErrorCode PetscDLLibraryRegister_slepcsvd(void)
 90: {
 91:   SVDInitializePackage();
 92:   return 0;
 93: }
 94: #endif /* PETSC_HAVE_DYNAMIC_LIBRARIES */