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/*
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This file contains the Fortran version of SlepcInitialize().
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SLEPc - Scalable Library for Eigenvalue Problem Computations
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Copyright (c) 2002-2009, Universidad Politecnica de Valencia, Spain
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This file is part of SLEPc.
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SLEPc is free software: you can redistribute it and/or modify it under the
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terms of version 3 of the GNU Lesser General Public License as published by
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the Free Software Foundation.
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SLEPc is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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more details.
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You should have received a copy of the GNU Lesser General Public License
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along with SLEPc. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "private/fortranimpl.h"
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#include "slepc.h"
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#include "slepcst.h"
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#include "slepceps.h"
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#include "slepcsvd.h"
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#include "slepcip.h"
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extern PetscTruth SlepcBeganPetsc;
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extern PetscTruth SlepcInitializeCalled;
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#ifdef PETSC_HAVE_FORTRAN_CAPS
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#define petscinitialize_ PETSCINITIALIZE
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#define slepcinitialize_ SLEPCINITIALIZE
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#elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
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#define petscinitialize_ petscinitialize
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#define slepcinitialize_ slepcinitialize
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#endif
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EXTERN_C_BEGIN
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extern void PETSC_STDCALL petscinitialize_(CHAR filename PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len));
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EXTERN_C_END
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#if defined(PETSC_USE_DYNAMIC_LIBRARIES)
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extern PetscDLLibrary DLLibrariesLoaded;
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#endif
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EXTERN_C_BEGIN
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/*
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SlepcInitialize - Version called from Fortran.
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Notes:
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Since this routine is called from Fortran it does not return error codes.
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*/
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void PETSC_STDCALL slepcinitialize_(CHAR filename PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))
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{
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#if defined(PETSC_USE_DYNAMIC_LIBRARIES)
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char libs[PETSC_MAX_PATH_LEN],dlib[PETSC_MAX_PATH_LEN];
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PetscTruth found;
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#endif
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*ierr = 1;
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if (SlepcInitializeCalled) {*ierr = 0; return;}
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if (!PetscInitializeCalled) {
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#if defined(PETSC_HAVE_FORTRAN_MIXED_STR_ARG)
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petscinitialize_(filename,len,ierr);
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#else
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petscinitialize_(filename,ierr,len);
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#endif
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if (*ierr) { (*PetscErrorPrintf)("SlepcInitialize:PetscInitialize failed");return;}
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SlepcBeganPetsc = PETSC_TRUE;
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}
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#if defined(PETSC_USE_DYNAMIC_LIBRARIES)
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*ierr = PetscStrcpy(libs,SLEPC_LIB_DIR);if (*ierr) return;
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*ierr = PetscStrcat(libs,"/libslepc");if (*ierr) return;
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*ierr = PetscDLLibraryRetrieve(PETSC_COMM_WORLD,libs,dlib,1024,&found);if (*ierr) return;
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if (found) {
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*ierr = PetscDLLibraryAppend(PETSC_COMM_WORLD,&DLLibrariesLoaded,libs);if (*ierr) return;
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} else {
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*ierr = 1;
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(*PetscErrorPrintf)("Unable to locate SLEPc dynamic library %s \n",libs);
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return;
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}
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#else
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*ierr = STInitializePackage(PETSC_NULL); if (*ierr) { (*PetscErrorPrintf)("SlepcInitialize:Initializing ST package");return;}
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*ierr = EPSInitializePackage(PETSC_NULL); if (*ierr) { (*PetscErrorPrintf)("SlepcInitialize:Initializing EPS package");return;}
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*ierr = SVDInitializePackage(PETSC_NULL); if (*ierr) { (*PetscErrorPrintf)("SlepcInitialize:Initializing SVD package");return;}
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*ierr = IPInitializePackage(PETSC_NULL); if (*ierr) { (*PetscErrorPrintf)("SlepcInitialize:Initializing IP package");return;}
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#endif
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SlepcInitializeCalled = PETSC_TRUE;
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*ierr = PetscInfo(0,"SLEPc successfully started from Fortran\n");
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if (*ierr) { (*PetscErrorPrintf)("SlepcInitialize:Calling PetscInfo()");return;}
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}
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EXTERN_C_END
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