| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | ||
| 3 | SLEPc - Scalable Library for Eigenvalue Problem Computations | ||
| 4 | Copyright (c) 2002-, Universitat Politecnica de Valencia, Spain | ||
| 5 | |||
| 6 | This file is part of SLEPc. | ||
| 7 | SLEPc is distributed under a 2-clause BSD license (see LICENSE). | ||
| 8 | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | ||
| 9 | */ | ||
| 10 | |||
| 11 | static char help[] = "Solves a GNHEP problem with contour integral.\n\n" | ||
| 12 | "Based on ex7.\n" | ||
| 13 | "The command line options are:\n" | ||
| 14 | " -f1 <filename> -f2 <filename>, PETSc binary files containing A and B.\n\n"; | ||
| 15 | |||
| 16 | #include <slepceps.h> | ||
| 17 | |||
| 18 | 10 | int main(int argc,char **argv) | |
| 19 | { | ||
| 20 | 10 | EPS eps; | |
| 21 | 10 | RG rg; | |
| 22 | 10 | Mat A,B; | |
| 23 | 10 | PetscBool flg; | |
| 24 | 10 | EPSCISSExtraction extr; | |
| 25 | 10 | EPSCISSQuadRule quad; | |
| 26 | 10 | char filename[PETSC_MAX_PATH_LEN]; | |
| 27 | 10 | PetscViewer viewer; | |
| 28 | |||
| 29 |
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10 | PetscFunctionBeginUser; |
| 30 |
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10 | PetscCall(SlepcInitialize(&argc,&argv,NULL,help)); |
| 31 |
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10 | PetscCall(PetscPrintf(PETSC_COMM_WORLD,"\nGNHEP problem with contour integral\n\n")); |
| 32 | |||
| 33 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | ||
| 34 | Load the matrices that define the eigensystem, Ax=kBx | ||
| 35 | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ | ||
| 36 | |||
| 37 |
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10 | PetscCall(PetscOptionsGetString(NULL,NULL,"-f1",filename,sizeof(filename),&flg)); |
| 38 |
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10 | PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_USER_INPUT,"Must indicate a file name for matrix A with the -f1 option"); |
| 39 | |||
| 40 | #if defined(PETSC_USE_COMPLEX) | ||
| 41 |
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3 | PetscCall(PetscPrintf(PETSC_COMM_WORLD," Reading COMPLEX matrices from binary files...\n")); |
| 42 | #else | ||
| 43 |
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7 | PetscCall(PetscPrintf(PETSC_COMM_WORLD," Reading REAL matrices from binary files...\n")); |
| 44 | #endif | ||
| 45 |
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10 | PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD,filename,FILE_MODE_READ,&viewer)); |
| 46 |
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10 | PetscCall(MatCreate(PETSC_COMM_WORLD,&A)); |
| 47 |
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10 | PetscCall(MatSetFromOptions(A)); |
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10 | PetscCall(MatLoad(A,viewer)); |
| 49 |
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10 | PetscCall(PetscViewerDestroy(&viewer)); |
| 50 | |||
| 51 |
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10 | PetscCall(PetscOptionsGetString(NULL,NULL,"-f2",filename,sizeof(filename),&flg)); |
| 52 |
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10 | if (flg) { |
| 53 |
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7 | PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD,filename,FILE_MODE_READ,&viewer)); |
| 54 |
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7 | PetscCall(MatCreate(PETSC_COMM_WORLD,&B)); |
| 55 |
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7 | PetscCall(MatSetFromOptions(B)); |
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7 | PetscCall(MatLoad(B,viewer)); |
| 57 |
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7 | PetscCall(PetscViewerDestroy(&viewer)); |
| 58 | } else { | ||
| 59 |
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3 | PetscCall(PetscPrintf(PETSC_COMM_WORLD," Matrix B was not provided, setting B=I\n\n")); |
| 60 | 3 | B = NULL; | |
| 61 | } | ||
| 62 | |||
| 63 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | ||
| 64 | Create the eigensolver and solve the problem | ||
| 65 | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ | ||
| 66 | |||
| 67 |
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10 | PetscCall(EPSCreate(PETSC_COMM_WORLD,&eps)); |
| 68 |
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10 | PetscCall(EPSSetOperators(eps,A,B)); |
| 69 |
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10 | PetscCall(EPSSetProblemType(eps,EPS_GNHEP)); |
| 70 |
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10 | PetscCall(EPSSetTolerances(eps,1e-9,PETSC_CURRENT)); |
| 71 | |||
| 72 | /* set CISS solver with various options */ | ||
| 73 |
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10 | PetscCall(EPSSetType(eps,EPSCISS)); |
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10 | PetscCall(EPSCISSSetExtraction(eps,EPS_CISS_EXTRACTION_HANKEL)); |
| 75 |
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10 | PetscCall(EPSCISSSetQuadRule(eps,EPS_CISS_QUADRULE_CHEBYSHEV)); |
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10 | PetscCall(EPSCISSSetUseST(eps,PETSC_TRUE)); |
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10 | PetscCall(EPSGetRG(eps,&rg)); |
| 78 |
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10 | PetscCall(RGSetType(rg,RGINTERVAL)); |
| 79 |
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10 | PetscCall(RGIntervalSetEndpoints(rg,-3000.0,0.0,0.0,0.0)); |
| 80 | |||
| 81 |
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10 | PetscCall(EPSSetFromOptions(eps)); |
| 82 | |||
| 83 |
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10 | PetscCall(EPSSolve(eps)); |
| 84 |
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10 | PetscCall(PetscObjectTypeCompare((PetscObject)eps,EPSCISS,&flg)); |
| 85 |
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10 | if (flg) { |
| 86 |
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10 | PetscCall(EPSCISSGetExtraction(eps,&extr)); |
| 87 |
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10 | PetscCall(EPSCISSGetQuadRule(eps,&quad)); |
| 88 |
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10 | PetscCall(PetscPrintf(PETSC_COMM_WORLD," Solved with CISS using %s extraction with %s quadrature rule\n\n",EPSCISSExtractions[extr],EPSCISSQuadRules[quad])); |
| 89 | } | ||
| 90 | |||
| 91 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | ||
| 92 | Display solution and clean up | ||
| 93 | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ | ||
| 94 | |||
| 95 |
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10 | PetscCall(EPSErrorView(eps,EPS_ERROR_BACKWARD,NULL)); |
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10 | PetscCall(EPSDestroy(&eps)); |
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10 | PetscCall(MatDestroy(&A)); |
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10 | PetscCall(MatDestroy(&B)); |
| 99 |
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10 | PetscCall(SlepcFinalize()); |
| 100 | return 0; | ||
| 101 | } | ||
| 102 | |||
| 103 | /*TEST | ||
| 104 | |||
| 105 | testset: | ||
| 106 | args: -f1 ${SLEPC_DIR}/share/slepc/datafiles/matrices/bfw62a.petsc -f2 ${SLEPC_DIR}/share/slepc/datafiles/matrices/bfw62b.petsc | ||
| 107 | output_file: output/test25_1.out | ||
| 108 | test: | ||
| 109 | suffix: 1 | ||
| 110 | requires: double !complex !defined(PETSC_USE_64BIT_INDICES) | ||
| 111 | test: | ||
| 112 | suffix: 1_cuda | ||
| 113 | args: -mat_type aijcusparse -st_pc_factor_mat_solver_type cusparse | ||
| 114 | requires: cuda double !complex !defined(PETSC_USE_64BIT_INDICES) | ||
| 115 | test: | ||
| 116 | suffix: 1_hip | ||
| 117 | args: -mat_type aijhipsparse -st_pc_factor_mat_solver_type hipsparse | ||
| 118 | requires: hip double !complex !defined(PETSC_USE_64BIT_INDICES) | ||
| 119 | |||
| 120 | testset: | ||
| 121 | args: -f1 ${DATAFILESPATH}/matrices/complex/qc324.petsc -rg_type ellipse -rg_ellipse_center 1-0.09i -rg_ellipse_radius 0.15 -rg_ellipse_vscale 0.1 | ||
| 122 | output_file: output/test25_2.out | ||
| 123 | test: | ||
| 124 | suffix: 2 | ||
| 125 | requires: double complex datafilespath !defined(PETSC_USE_64BIT_INDICES) | ||
| 126 | test: | ||
| 127 | suffix: 2_cuda | ||
| 128 | args: -mat_type aijcusparse -st_pc_factor_mat_solver_type cusparse | ||
| 129 | requires: cuda double complex datafilespath !defined(PETSC_USE_64BIT_INDICES) | ||
| 130 | test: | ||
| 131 | suffix: 2_hip | ||
| 132 | args: -mat_type aijhipsparse -st_pc_factor_mat_solver_type hipsparse | ||
| 133 | requires: hip double complex datafilespath !defined(PETSC_USE_64BIT_INDICES) | ||
| 134 | |||
| 135 | TEST*/ | ||
| 136 |