Actual source code: dlregissvd.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/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 *SVDKSVDEigenMethods[] = {"","MRRR","DC","ELPA","SVDKSVDEigenMethod","SVD_KSVD_EIGEN_",NULL};
     19: const char *SVDKSVDPolarMethods[] = {"","QDWH","ZOLOPD","SVDKSVDPolarMethod","SVD_KSVD_POLAR_",NULL};
     20: const char *const SVDConvergedReasons_Shifted[] = {"","DIVERGED_SYMMETRY_LOST","DIVERGED_BREAKDOWN","DIVERGED_ITS","CONVERGED_ITERATING","CONVERGED_TOL","CONVERGED_USER","CONVERGED_MAXIT","SVDConvergedReason","SVD_",NULL};
     21: const char *const*SVDConvergedReasons = SVDConvergedReasons_Shifted + 4;

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

     27:    Level: developer

     29: .seealso: SlepcFinalize()
     30: @*/
     31: PetscErrorCode SVDFinalizePackage(void)
     32: {
     33:   PetscFunctionBegin;
     34:   PetscCall(PetscFunctionListDestroy(&SVDList));
     35:   PetscCall(PetscFunctionListDestroy(&SVDMonitorList));
     36:   PetscCall(PetscFunctionListDestroy(&SVDMonitorCreateList));
     37:   PetscCall(PetscFunctionListDestroy(&SVDMonitorDestroyList));
     38:   SVDPackageInitialized       = PETSC_FALSE;
     39:   SVDRegisterAllCalled        = PETSC_FALSE;
     40:   SVDMonitorRegisterAllCalled = PETSC_FALSE;
     41:   PetscFunctionReturn(PETSC_SUCCESS);
     42: }

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

     49:    Level: developer

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

     59:   PetscFunctionBegin;
     60:   if (SVDPackageInitialized) PetscFunctionReturn(PETSC_SUCCESS);
     61:   SVDPackageInitialized = PETSC_TRUE;
     62:   /* Register Classes */
     63:   PetscCall(PetscClassIdRegister("SVD Solver",&SVD_CLASSID));
     64:   /* Register Constructors */
     65:   PetscCall(SVDRegisterAll());
     66:   /* Register Monitors */
     67:   PetscCall(SVDMonitorRegisterAll());
     68:   /* Register Events */
     69:   PetscCall(PetscLogEventRegister("SVDSetUp",SVD_CLASSID,&SVD_SetUp));
     70:   PetscCall(PetscLogEventRegister("SVDSolve",SVD_CLASSID,&SVD_Solve));
     71:   /* Process Info */
     72:   classids[0] = SVD_CLASSID;
     73:   PetscCall(PetscInfoProcessClass("svd",1,&classids[0]));
     74:   /* Process summary exclusions */
     75:   PetscCall(PetscOptionsGetString(NULL,NULL,"-log_exclude",logList,sizeof(logList),&opt));
     76:   if (opt) {
     77:     PetscCall(PetscStrInList("svd",logList,',',&pkg));
     78:     if (pkg) PetscCall(PetscLogEventDeactivateClass(SVD_CLASSID));
     79:   }
     80:   /* Register package finalizer */
     81:   PetscCall(PetscRegisterFinalize(SVDFinalizePackage));
     82:   PetscFunctionReturn(PETSC_SUCCESS);
     83: }

     85: #if defined(PETSC_HAVE_DYNAMIC_LIBRARIES)
     86: /*
     87:   PetscDLLibraryRegister - This function is called when the dynamic library
     88:   it is in is opened.

     90:   This one registers all the SVD methods that are in the basic SLEPc libslepcsvd
     91:   library.
     92:  */
     93: SLEPC_EXTERN PetscErrorCode PetscDLLibraryRegister_slepcsvd(void)
     94: {
     95:   PetscFunctionBegin;
     96:   PetscCall(SVDInitializePackage());
     97:   PetscFunctionReturn(PETSC_SUCCESS);
     98: }
     99: #endif /* PETSC_HAVE_DYNAMIC_LIBRARIES */