| 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 | The PEP routines related to various viewers | ||
| 12 | */ | ||
| 13 | |||
| 14 | #include <slepc/private/pepimpl.h> /*I "slepcpep.h" I*/ | ||
| 15 | #include <slepc/private/bvimpl.h> | ||
| 16 | #include <petscdraw.h> | ||
| 17 | |||
| 18 | /*@ | ||
| 19 | PEPView - Prints the PEP data structure. | ||
| 20 | |||
| 21 | Collective | ||
| 22 | |||
| 23 | Input Parameters: | ||
| 24 | + pep - the polynomial eigenproblem solver context | ||
| 25 | - viewer - optional visualization context | ||
| 26 | |||
| 27 | Options Database Key: | ||
| 28 | . -pep_view - Calls PEPView() at end of PEPSolve() | ||
| 29 | |||
| 30 | Note: | ||
| 31 | The available visualization contexts include | ||
| 32 | + PETSC_VIEWER_STDOUT_SELF - standard output (default) | ||
| 33 | - PETSC_VIEWER_STDOUT_WORLD - synchronized standard | ||
| 34 | output where only the first processor opens | ||
| 35 | the file. All other processors send their | ||
| 36 | data to the first processor to print. | ||
| 37 | |||
| 38 | The user can open an alternative visualization context with | ||
| 39 | PetscViewerASCIIOpen() - output to a specified file. | ||
| 40 | |||
| 41 | Level: beginner | ||
| 42 | |||
| 43 | .seealso: STView() | ||
| 44 | @*/ | ||
| 45 | 15 | PetscErrorCode PEPView(PEP pep,PetscViewer viewer) | |
| 46 | { | ||
| 47 | 15 | const char *type=NULL; | |
| 48 | 15 | char str[50]; | |
| 49 | 15 | PetscBool isascii,islinear,istrivial; | |
| 50 | 15 | PetscInt i; | |
| 51 | 15 | PetscViewer sviewer; | |
| 52 | 15 | MPI_Comm child; | |
| 53 | |||
| 54 |
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15 | PetscFunctionBegin; |
| 55 |
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15 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 56 |
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15 | if (!viewer) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)pep),&viewer)); |
| 57 |
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15 | PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); |
| 58 |
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15 | PetscCheckSameComm(pep,1,viewer,2); |
| 59 | |||
| 60 |
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15 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); |
| 61 |
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15 | if (isascii) { |
| 62 |
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15 | PetscCall(PetscObjectPrintClassNamePrefixType((PetscObject)pep,viewer)); |
| 63 |
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15 | PetscCall(PetscViewerASCIIPushTab(viewer)); |
| 64 |
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15 | PetscTryTypeMethod(pep,view,viewer); |
| 65 |
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15 | PetscCall(PetscViewerASCIIPopTab(viewer)); |
| 66 |
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15 | if (pep->problem_type) { |
| 67 |
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15 | switch (pep->problem_type) { |
| 68 | 15 | case PEP_GENERAL: type = "general polynomial eigenvalue problem"; break; | |
| 69 | ✗ | case PEP_HERMITIAN: type = SLEPC_STRING_HERMITIAN " polynomial eigenvalue problem"; break; | |
| 70 | ✗ | case PEP_HYPERBOLIC: type = "hyperbolic polynomial eigenvalue problem"; break; | |
| 71 | ✗ | case PEP_GYROSCOPIC: type = "gyroscopic polynomial eigenvalue problem"; break; | |
| 72 | } | ||
| 73 | } else type = "not yet set"; | ||
| 74 |
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15 | PetscCall(PetscViewerASCIIPrintf(viewer," problem type: %s\n",type)); |
| 75 |
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15 | PetscCall(PetscViewerASCIIPrintf(viewer," polynomial represented in %s basis\n",PEPBasisTypes[pep->basis])); |
| 76 |
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15 | switch (pep->scale) { |
| 77 | case PEP_SCALE_NONE: | ||
| 78 | break; | ||
| 79 | 5 | case PEP_SCALE_SCALAR: | |
| 80 |
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5 | PetscCall(PetscViewerASCIIPrintf(viewer," parameter scaling enabled, with scaling factor=%g\n",(double)pep->sfactor)); |
| 81 | break; | ||
| 82 | ✗ | case PEP_SCALE_DIAGONAL: | |
| 83 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," diagonal balancing enabled, with its=%" PetscInt_FMT " and lambda=%g\n",pep->sits,(double)pep->slambda)); | |
| 84 | break; | ||
| 85 | ✗ | case PEP_SCALE_BOTH: | |
| 86 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," parameter scaling & diagonal balancing enabled, with scaling factor=%g, its=%" PetscInt_FMT " and lambda=%g\n",(double)pep->sfactor,pep->sits,(double)pep->slambda)); | |
| 87 | break; | ||
| 88 | } | ||
| 89 |
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15 | PetscCall(PetscViewerASCIIPrintf(viewer," selected portion of the spectrum: ")); |
| 90 |
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15 | PetscCall(PetscViewerASCIIUseTabs(viewer,PETSC_FALSE)); |
| 91 |
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15 | PetscCall(SlepcSNPrintfScalar(str,sizeof(str),pep->target,PETSC_FALSE)); |
| 92 |
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15 | if (!pep->which) PetscCall(PetscViewerASCIIPrintf(viewer,"not yet set\n")); |
| 93 |
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15 | else switch (pep->which) { |
| 94 | ✗ | case PEP_WHICH_USER: | |
| 95 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"user defined\n")); | |
| 96 | break; | ||
| 97 | ✗ | case PEP_TARGET_MAGNITUDE: | |
| 98 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"closest to target: %s (in magnitude)\n",str)); | |
| 99 | break; | ||
| 100 | ✗ | case PEP_TARGET_REAL: | |
| 101 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"closest to target: %s (along the real axis)\n",str)); | |
| 102 | break; | ||
| 103 | ✗ | case PEP_TARGET_IMAGINARY: | |
| 104 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"closest to target: %s (along the imaginary axis)\n",str)); | |
| 105 | break; | ||
| 106 | 5 | case PEP_LARGEST_MAGNITUDE: | |
| 107 |
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5 | PetscCall(PetscViewerASCIIPrintf(viewer,"largest eigenvalues in magnitude\n")); |
| 108 | break; | ||
| 109 | ✗ | case PEP_SMALLEST_MAGNITUDE: | |
| 110 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"smallest eigenvalues in magnitude\n")); | |
| 111 | break; | ||
| 112 | 10 | case PEP_LARGEST_REAL: | |
| 113 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"largest real parts\n")); |
| 114 | break; | ||
| 115 | ✗ | case PEP_SMALLEST_REAL: | |
| 116 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"smallest real parts\n")); | |
| 117 | break; | ||
| 118 | ✗ | case PEP_LARGEST_IMAGINARY: | |
| 119 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"largest imaginary parts\n")); | |
| 120 | break; | ||
| 121 | ✗ | case PEP_SMALLEST_IMAGINARY: | |
| 122 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"smallest imaginary parts\n")); | |
| 123 | break; | ||
| 124 | ✗ | case PEP_ALL: | |
| 125 | ✗ | if (pep->inta || pep->intb) PetscCall(PetscViewerASCIIPrintf(viewer,"all eigenvalues in interval [%g,%g]\n",(double)pep->inta,(double)pep->intb)); | |
| 126 | ✗ | else PetscCall(PetscViewerASCIIPrintf(viewer,"all eigenvalues in the region\n")); | |
| 127 | break; | ||
| 128 | } | ||
| 129 |
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15 | PetscCall(PetscViewerASCIIUseTabs(viewer,PETSC_TRUE)); |
| 130 |
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15 | PetscCall(PetscViewerASCIIPrintf(viewer," number of eigenvalues (nev): %" PetscInt_FMT "\n",pep->nev)); |
| 131 |
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15 | PetscCall(PetscViewerASCIIPrintf(viewer," number of column vectors (ncv): %" PetscInt_FMT "\n",pep->ncv)); |
| 132 |
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15 | PetscCall(PetscViewerASCIIPrintf(viewer," maximum dimension of projected problem (mpd): %" PetscInt_FMT "\n",pep->mpd)); |
| 133 |
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15 | PetscCall(PetscViewerASCIIPrintf(viewer," maximum number of iterations: %" PetscInt_FMT "\n",pep->max_it)); |
| 134 |
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15 | PetscCall(PetscViewerASCIIPrintf(viewer," tolerance: %g\n",(double)pep->tol)); |
| 135 |
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15 | PetscCall(PetscViewerASCIIPrintf(viewer," convergence test: ")); |
| 136 |
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15 | PetscCall(PetscViewerASCIIUseTabs(viewer,PETSC_FALSE)); |
| 137 |
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15 | switch (pep->conv) { |
| 138 | ✗ | case PEP_CONV_ABS: | |
| 139 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"absolute\n"));break; | |
| 140 | 10 | case PEP_CONV_REL: | |
| 141 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"relative to the eigenvalue\n"));break; |
| 142 | 5 | case PEP_CONV_NORM: | |
| 143 |
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5 | PetscCall(PetscViewerASCIIPrintf(viewer,"relative to the matrix norms\n")); |
| 144 |
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5 | if (pep->nrma) { |
| 145 |
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5 | PetscCall(PetscViewerASCIIPrintf(viewer," computed matrix norms: %g",(double)pep->nrma[0])); |
| 146 |
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15 | for (i=1;i<pep->nmat;i++) PetscCall(PetscViewerASCIIPrintf(viewer,", %g",(double)pep->nrma[i])); |
| 147 |
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5 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n")); |
| 148 | } | ||
| 149 | break; | ||
| 150 | ✗ | case PEP_CONV_USER: | |
| 151 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"user-defined\n"));break; | |
| 152 | } | ||
| 153 |
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15 | PetscCall(PetscViewerASCIIUseTabs(viewer,PETSC_TRUE)); |
| 154 |
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15 | PetscCall(PetscViewerASCIIPrintf(viewer," extraction type: %s\n",PEPExtractTypes[pep->extract])); |
| 155 |
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15 | if (pep->refine) { |
| 156 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," iterative refinement: %s, with %s scheme\n",PEPRefineTypes[pep->refine],PEPRefineSchemes[pep->scheme])); | |
| 157 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," refinement stopping criterion: tol=%g, its=%" PetscInt_FMT "\n",(double)pep->rtol,pep->rits)); | |
| 158 | ✗ | if (pep->npart>1) PetscCall(PetscViewerASCIIPrintf(viewer," splitting communicator in %" PetscInt_FMT " partitions for refinement\n",pep->npart)); | |
| 159 | } | ||
| 160 |
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15 | if (pep->nini) PetscCall(PetscViewerASCIIPrintf(viewer," dimension of user-provided initial space: %" PetscInt_FMT "\n",PetscAbs(pep->nini))); |
| 161 | ✗ | } else PetscTryTypeMethod(pep,view,viewer); | |
| 162 |
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15 | PetscCall(PetscViewerPushFormat(viewer,PETSC_VIEWER_ASCII_INFO)); |
| 163 |
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15 | if (!pep->V) PetscCall(PEPGetBV(pep,&pep->V)); |
| 164 |
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15 | PetscCall(BVView(pep->V,viewer)); |
| 165 |
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15 | if (!pep->rg) PetscCall(PEPGetRG(pep,&pep->rg)); |
| 166 |
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15 | PetscCall(RGIsTrivial(pep->rg,&istrivial)); |
| 167 |
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15 | if (!istrivial) PetscCall(RGView(pep->rg,viewer)); |
| 168 |
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15 | PetscCall(PetscObjectTypeCompare((PetscObject)pep,PEPLINEAR,&islinear)); |
| 169 |
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15 | if (!islinear) { |
| 170 |
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15 | if (!pep->ds) PetscCall(PEPGetDS(pep,&pep->ds)); |
| 171 |
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15 | PetscCall(DSView(pep->ds,viewer)); |
| 172 | } | ||
| 173 |
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15 | PetscCall(PetscViewerPopFormat(viewer)); |
| 174 |
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15 | if (!pep->st) PetscCall(PEPGetST(pep,&pep->st)); |
| 175 |
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15 | PetscCall(STView(pep->st,viewer)); |
| 176 |
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15 | if (pep->refine!=PEP_REFINE_NONE) { |
| 177 | ✗ | PetscCall(PetscViewerASCIIPushTab(viewer)); | |
| 178 | ✗ | if (pep->npart>1) { | |
| 179 | ✗ | if (pep->refinesubc->color==0) { | |
| 180 | ✗ | PetscCall(PetscSubcommGetChild(pep->refinesubc,&child)); | |
| 181 | ✗ | PetscCall(PetscViewerASCIIGetStdout(child,&sviewer)); | |
| 182 | ✗ | PetscCall(KSPView(pep->refineksp,sviewer)); | |
| 183 | } | ||
| 184 | ✗ | } else PetscCall(KSPView(pep->refineksp,viewer)); | |
| 185 | ✗ | PetscCall(PetscViewerASCIIPopTab(viewer)); | |
| 186 | } | ||
| 187 |
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3 | PetscFunctionReturn(PETSC_SUCCESS); |
| 188 | } | ||
| 189 | |||
| 190 | /*@ | ||
| 191 | PEPViewFromOptions - View from options | ||
| 192 | |||
| 193 | Collective | ||
| 194 | |||
| 195 | Input Parameters: | ||
| 196 | + pep - the eigensolver context | ||
| 197 | . obj - optional object | ||
| 198 | - name - command line option | ||
| 199 | |||
| 200 | Level: intermediate | ||
| 201 | |||
| 202 | .seealso: PEPView(), PEPCreate() | ||
| 203 | @*/ | ||
| 204 | 3912 | PetscErrorCode PEPViewFromOptions(PEP pep,PetscObject obj,const char name[]) | |
| 205 | { | ||
| 206 |
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3912 | PetscFunctionBegin; |
| 207 |
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3912 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 208 |
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3912 | PetscCall(PetscObjectViewFromOptions((PetscObject)pep,obj,name)); |
| 209 |
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764 | PetscFunctionReturn(PETSC_SUCCESS); |
| 210 | } | ||
| 211 | |||
| 212 | /*@ | ||
| 213 | PEPConvergedReasonView - Displays the reason a PEP solve converged or diverged. | ||
| 214 | |||
| 215 | Collective | ||
| 216 | |||
| 217 | Input Parameters: | ||
| 218 | + pep - the eigensolver context | ||
| 219 | - viewer - the viewer to display the reason | ||
| 220 | |||
| 221 | Options Database Keys: | ||
| 222 | . -pep_converged_reason - print reason for convergence, and number of iterations | ||
| 223 | |||
| 224 | Note: | ||
| 225 | To change the format of the output call PetscViewerPushFormat(viewer,format) before | ||
| 226 | this call. Use PETSC_VIEWER_DEFAULT for the default, use PETSC_VIEWER_FAILED to only | ||
| 227 | display a reason if it fails. The latter can be set in the command line with | ||
| 228 | -pep_converged_reason ::failed | ||
| 229 | |||
| 230 | Level: intermediate | ||
| 231 | |||
| 232 | .seealso: PEPSetConvergenceTest(), PEPSetTolerances(), PEPGetIterationNumber(), PEPConvergedReasonViewFromOptions() | ||
| 233 | @*/ | ||
| 234 | 50 | PetscErrorCode PEPConvergedReasonView(PEP pep,PetscViewer viewer) | |
| 235 | { | ||
| 236 | 50 | PetscBool isAscii; | |
| 237 | 50 | PetscViewerFormat format; | |
| 238 | |||
| 239 |
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50 | PetscFunctionBegin; |
| 240 |
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50 | if (!viewer) viewer = PETSC_VIEWER_STDOUT_(PetscObjectComm((PetscObject)pep)); |
| 241 |
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50 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isAscii)); |
| 242 |
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50 | if (isAscii) { |
| 243 |
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50 | PetscCall(PetscViewerGetFormat(viewer,&format)); |
| 244 |
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50 | PetscCall(PetscViewerASCIIAddTab(viewer,((PetscObject)pep)->tablevel)); |
| 245 |
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60 | if (pep->reason > 0 && format != PETSC_VIEWER_FAILED) PetscCall(PetscViewerASCIIPrintf(viewer,"%s Polynomial eigensolve converged (%" PetscInt_FMT " eigenpair%s) due to %s; iterations %" PetscInt_FMT "\n",((PetscObject)pep)->prefix?((PetscObject)pep)->prefix:"",pep->nconv,(pep->nconv>1)?"s":"",PEPConvergedReasons[pep->reason],pep->its)); |
| 246 | ✗ | else if (pep->reason <= 0) PetscCall(PetscViewerASCIIPrintf(viewer,"%s Polynomial eigensolve did not converge due to %s; iterations %" PetscInt_FMT "\n",((PetscObject)pep)->prefix?((PetscObject)pep)->prefix:"",PEPConvergedReasons[pep->reason],pep->its)); | |
| 247 |
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50 | PetscCall(PetscViewerASCIISubtractTab(viewer,((PetscObject)pep)->tablevel)); |
| 248 | } | ||
| 249 |
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10 | PetscFunctionReturn(PETSC_SUCCESS); |
| 250 | } | ||
| 251 | |||
| 252 | /*@ | ||
| 253 | PEPConvergedReasonViewFromOptions - Processes command line options to determine if/how | ||
| 254 | the PEP converged reason is to be viewed. | ||
| 255 | |||
| 256 | Collective | ||
| 257 | |||
| 258 | Input Parameter: | ||
| 259 | . pep - the eigensolver context | ||
| 260 | |||
| 261 | Level: developer | ||
| 262 | |||
| 263 | .seealso: PEPConvergedReasonView() | ||
| 264 | @*/ | ||
| 265 | 1956 | PetscErrorCode PEPConvergedReasonViewFromOptions(PEP pep) | |
| 266 | { | ||
| 267 | 1956 | PetscViewer viewer; | |
| 268 | 1956 | PetscBool flg; | |
| 269 | 1956 | static PetscBool incall = PETSC_FALSE; | |
| 270 | 1956 | PetscViewerFormat format; | |
| 271 | |||
| 272 |
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1956 | PetscFunctionBegin; |
| 273 |
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1956 | if (incall) PetscFunctionReturn(PETSC_SUCCESS); |
| 274 | 1956 | incall = PETSC_TRUE; | |
| 275 |
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1956 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)pep),((PetscObject)pep)->options,((PetscObject)pep)->prefix,"-pep_converged_reason",&viewer,&format,&flg)); |
| 276 |
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1956 | if (flg) { |
| 277 |
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10 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 278 |
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10 | PetscCall(PEPConvergedReasonView(pep,viewer)); |
| 279 |
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10 | PetscCall(PetscViewerPopFormat(viewer)); |
| 280 |
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10 | PetscCall(PetscViewerDestroy(&viewer)); |
| 281 | } | ||
| 282 | 1956 | incall = PETSC_FALSE; | |
| 283 |
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1956 | PetscFunctionReturn(PETSC_SUCCESS); |
| 284 | } | ||
| 285 | |||
| 286 | 1624 | static PetscErrorCode PEPErrorView_ASCII(PEP pep,PEPErrorType etype,PetscViewer viewer) | |
| 287 | { | ||
| 288 | 1624 | PetscReal error; | |
| 289 | 1624 | PetscInt i,j,k,nvals; | |
| 290 | |||
| 291 |
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1624 | PetscFunctionBegin; |
| 292 |
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1624 | nvals = (pep->which==PEP_ALL)? pep->nconv: pep->nev; |
| 293 |
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1624 | if (pep->which!=PEP_ALL && pep->nconv<pep->nev) { |
| 294 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," Problem: less than %" PetscInt_FMT " eigenvalues converged\n\n",pep->nev)); | |
| 295 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 296 | } | ||
| 297 |
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1624 | if (pep->which==PEP_ALL && !nvals) { |
| 298 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," No eigenvalues have been found\n\n")); | |
| 299 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 300 | } | ||
| 301 |
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10415 | for (i=0;i<nvals;i++) { |
| 302 |
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8791 | PetscCall(PEPComputeError(pep,i,etype,&error)); |
| 303 |
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8791 | if (error>=5.0*pep->tol) { |
| 304 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," Problem: some of the first %" PetscInt_FMT " relative errors are higher than the tolerance\n\n",nvals)); | |
| 305 |
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1728 | PetscFunctionReturn(PETSC_SUCCESS); |
| 306 | } | ||
| 307 | } | ||
| 308 |
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1624 | if (pep->which==PEP_ALL) PetscCall(PetscViewerASCIIPrintf(viewer," Found %" PetscInt_FMT " eigenvalues, all of them computed up to the required tolerance:",nvals)); |
| 309 |
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1489 | else PetscCall(PetscViewerASCIIPrintf(viewer," All requested eigenvalues computed up to the required tolerance:")); |
| 310 |
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3566 | for (i=0;i<=(nvals-1)/8;i++) { |
| 311 |
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1942 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n ")); |
| 312 |
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10733 | for (j=0;j<PetscMin(8,nvals-8*i);j++) { |
| 313 | 8791 | k = pep->perm[8*i+j]; | |
| 314 |
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8791 | PetscCall(SlepcPrintEigenvalueASCII(viewer,pep->eigr[k],pep->eigi[k])); |
| 315 |
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8791 | if (8*i+j+1<nvals) PetscCall(PetscViewerASCIIPrintf(viewer,", ")); |
| 316 | } | ||
| 317 | } | ||
| 318 |
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1624 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n\n")); |
| 319 |
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318 | PetscFunctionReturn(PETSC_SUCCESS); |
| 320 | } | ||
| 321 | |||
| 322 | 35 | static PetscErrorCode PEPErrorView_DETAIL(PEP pep,PEPErrorType etype,PetscViewer viewer) | |
| 323 | { | ||
| 324 | 35 | PetscReal error,re,im; | |
| 325 | 35 | PetscScalar kr,ki; | |
| 326 | 35 | PetscInt i; | |
| 327 | 35 | char ex[30],sep[]=" ---------------------- --------------------\n"; | |
| 328 | |||
| 329 |
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35 | PetscFunctionBegin; |
| 330 |
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35 | if (!pep->nconv) PetscFunctionReturn(PETSC_SUCCESS); |
| 331 |
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25 | switch (etype) { |
| 332 | ✗ | case PEP_ERROR_ABSOLUTE: | |
| 333 | ✗ | PetscCall(PetscSNPrintf(ex,sizeof(ex)," ||P(k)x||")); | |
| 334 | break; | ||
| 335 | 15 | case PEP_ERROR_RELATIVE: | |
| 336 |
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15 | PetscCall(PetscSNPrintf(ex,sizeof(ex),"||P(k)x||/||kx||")); |
| 337 | break; | ||
| 338 | 10 | case PEP_ERROR_BACKWARD: | |
| 339 |
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10 | PetscCall(PetscSNPrintf(ex,sizeof(ex)," eta(x,k)")); |
| 340 | break; | ||
| 341 | } | ||
| 342 |
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25 | PetscCall(PetscViewerASCIIPrintf(viewer,"%s k %s\n%s",sep,ex,sep)); |
| 343 |
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200 | for (i=0;i<pep->nconv;i++) { |
| 344 |
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175 | PetscCall(PEPGetEigenpair(pep,i,&kr,&ki,NULL,NULL)); |
| 345 |
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175 | PetscCall(PEPComputeError(pep,i,etype,&error)); |
| 346 | #if defined(PETSC_USE_COMPLEX) | ||
| 347 | 75 | re = PetscRealPart(kr); | |
| 348 | 75 | im = PetscImaginaryPart(kr); | |
| 349 | #else | ||
| 350 | 100 | re = kr; | |
| 351 | 100 | im = ki; | |
| 352 | #endif | ||
| 353 |
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175 | if (im!=0.0) PetscCall(PetscViewerASCIIPrintf(viewer," % 9f%+9fi %12g\n",(double)re,(double)im,(double)error)); |
| 354 |
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175 | else PetscCall(PetscViewerASCIIPrintf(viewer," % 12f %12g\n",(double)re,(double)error)); |
| 355 | } | ||
| 356 |
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25 | PetscCall(PetscViewerASCIIPrintf(viewer,"%s",sep)); |
| 357 |
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5 | PetscFunctionReturn(PETSC_SUCCESS); |
| 358 | } | ||
| 359 | |||
| 360 | 10 | static PetscErrorCode PEPErrorView_MATLAB(PEP pep,PEPErrorType etype,PetscViewer viewer) | |
| 361 | { | ||
| 362 | 10 | PetscReal error; | |
| 363 | 10 | PetscInt i; | |
| 364 | 10 | const char *name; | |
| 365 | |||
| 366 |
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10 | PetscFunctionBegin; |
| 367 |
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10 | PetscCall(PetscObjectGetName((PetscObject)pep,&name)); |
| 368 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"Error_%s = [\n",name)); |
| 369 |
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130 | for (i=0;i<pep->nconv;i++) { |
| 370 |
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120 | PetscCall(PEPComputeError(pep,i,etype,&error)); |
| 371 |
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120 | PetscCall(PetscViewerASCIIPrintf(viewer,"%18.16e\n",(double)error)); |
| 372 | } | ||
| 373 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"];\n")); |
| 374 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 375 | } | ||
| 376 | |||
| 377 | /*@ | ||
| 378 | PEPErrorView - Displays the errors associated with the computed solution | ||
| 379 | (as well as the eigenvalues). | ||
| 380 | |||
| 381 | Collective | ||
| 382 | |||
| 383 | Input Parameters: | ||
| 384 | + pep - the eigensolver context | ||
| 385 | . etype - error type | ||
| 386 | - viewer - optional visualization context | ||
| 387 | |||
| 388 | Options Database Keys: | ||
| 389 | + -pep_error_absolute - print absolute errors of each eigenpair | ||
| 390 | . -pep_error_relative - print relative errors of each eigenpair | ||
| 391 | - -pep_error_backward - print backward errors of each eigenpair | ||
| 392 | |||
| 393 | Notes: | ||
| 394 | By default, this function checks the error of all eigenpairs and prints | ||
| 395 | the eigenvalues if all of them are below the requested tolerance. | ||
| 396 | If the viewer has format=PETSC_VIEWER_ASCII_INFO_DETAIL then a table with | ||
| 397 | eigenvalues and corresponding errors is printed. | ||
| 398 | |||
| 399 | Level: intermediate | ||
| 400 | |||
| 401 | .seealso: PEPSolve(), PEPValuesView(), PEPVectorsView() | ||
| 402 | @*/ | ||
| 403 | 1669 | PetscErrorCode PEPErrorView(PEP pep,PEPErrorType etype,PetscViewer viewer) | |
| 404 | { | ||
| 405 | 1669 | PetscBool isascii; | |
| 406 | 1669 | PetscViewerFormat format; | |
| 407 | |||
| 408 |
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1669 | PetscFunctionBegin; |
| 409 |
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1669 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 410 |
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1669 | if (!viewer) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)pep),&viewer)); |
| 411 |
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1669 | PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,3); |
| 412 |
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1669 | PetscCheckSameComm(pep,1,viewer,3); |
| 413 |
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1669 | PEPCheckSolved(pep,1); |
| 414 |
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1669 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); |
| 415 |
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1669 | if (!isascii) PetscFunctionReturn(PETSC_SUCCESS); |
| 416 | |||
| 417 |
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1669 | PetscCall(PetscViewerGetFormat(viewer,&format)); |
| 418 |
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1669 | switch (format) { |
| 419 | 1624 | case PETSC_VIEWER_DEFAULT: | |
| 420 | case PETSC_VIEWER_ASCII_INFO: | ||
| 421 |
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1624 | PetscCall(PEPErrorView_ASCII(pep,etype,viewer)); |
| 422 | break; | ||
| 423 | 35 | case PETSC_VIEWER_ASCII_INFO_DETAIL: | |
| 424 |
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35 | PetscCall(PEPErrorView_DETAIL(pep,etype,viewer)); |
| 425 | break; | ||
| 426 | 10 | case PETSC_VIEWER_ASCII_MATLAB: | |
| 427 |
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10 | PetscCall(PEPErrorView_MATLAB(pep,etype,viewer)); |
| 428 | break; | ||
| 429 | ✗ | default: | |
| 430 | ✗ | PetscCall(PetscInfo(pep,"Unsupported viewer format %s\n",PetscViewerFormats[format])); | |
| 431 | } | ||
| 432 |
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327 | PetscFunctionReturn(PETSC_SUCCESS); |
| 433 | } | ||
| 434 | |||
| 435 | /*@ | ||
| 436 | PEPErrorViewFromOptions - Processes command line options to determine if/how | ||
| 437 | the errors of the computed solution are to be viewed. | ||
| 438 | |||
| 439 | Collective | ||
| 440 | |||
| 441 | Input Parameter: | ||
| 442 | . pep - the eigensolver context | ||
| 443 | |||
| 444 | Level: developer | ||
| 445 | |||
| 446 | .seealso: PEPErrorView() | ||
| 447 | @*/ | ||
| 448 | 1956 | PetscErrorCode PEPErrorViewFromOptions(PEP pep) | |
| 449 | { | ||
| 450 | 1956 | PetscViewer viewer; | |
| 451 | 1956 | PetscBool flg; | |
| 452 | 1956 | static PetscBool incall = PETSC_FALSE; | |
| 453 | 1956 | PetscViewerFormat format; | |
| 454 | |||
| 455 |
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1956 | PetscFunctionBegin; |
| 456 |
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1956 | if (incall) PetscFunctionReturn(PETSC_SUCCESS); |
| 457 | 1956 | incall = PETSC_TRUE; | |
| 458 |
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1956 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)pep),((PetscObject)pep)->options,((PetscObject)pep)->prefix,"-pep_error_absolute",&viewer,&format,&flg)); |
| 459 |
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1956 | if (flg) { |
| 460 |
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10 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 461 |
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10 | PetscCall(PEPErrorView(pep,PEP_ERROR_ABSOLUTE,viewer)); |
| 462 |
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10 | PetscCall(PetscViewerPopFormat(viewer)); |
| 463 |
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10 | PetscCall(PetscViewerDestroy(&viewer)); |
| 464 | } | ||
| 465 |
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1956 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)pep),((PetscObject)pep)->options,((PetscObject)pep)->prefix,"-pep_error_relative",&viewer,&format,&flg)); |
| 466 |
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1956 | if (flg) { |
| 467 |
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5 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 468 |
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5 | PetscCall(PEPErrorView(pep,PEP_ERROR_RELATIVE,viewer)); |
| 469 |
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5 | PetscCall(PetscViewerPopFormat(viewer)); |
| 470 |
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5 | PetscCall(PetscViewerDestroy(&viewer)); |
| 471 | } | ||
| 472 |
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1956 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)pep),((PetscObject)pep)->options,((PetscObject)pep)->prefix,"-pep_error_backward",&viewer,&format,&flg)); |
| 473 |
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1956 | if (flg) { |
| 474 |
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10 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 475 |
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10 | PetscCall(PEPErrorView(pep,PEP_ERROR_BACKWARD,viewer)); |
| 476 |
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10 | PetscCall(PetscViewerPopFormat(viewer)); |
| 477 |
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10 | PetscCall(PetscViewerDestroy(&viewer)); |
| 478 | } | ||
| 479 | 1956 | incall = PETSC_FALSE; | |
| 480 |
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1956 | PetscFunctionReturn(PETSC_SUCCESS); |
| 481 | } | ||
| 482 | |||
| 483 | 16 | static PetscErrorCode PEPValuesView_DRAW(PEP pep,PetscViewer viewer) | |
| 484 | { | ||
| 485 | 16 | PetscDraw draw; | |
| 486 | 16 | PetscDrawSP drawsp; | |
| 487 | 16 | PetscReal re,im; | |
| 488 | 16 | PetscInt i,k; | |
| 489 | |||
| 490 |
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16 | PetscFunctionBegin; |
| 491 |
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16 | if (!pep->nconv) PetscFunctionReturn(PETSC_SUCCESS); |
| 492 |
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16 | PetscCall(PetscViewerDrawGetDraw(viewer,0,&draw)); |
| 493 |
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16 | PetscCall(PetscDrawSetTitle(draw,"Computed Eigenvalues")); |
| 494 |
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16 | PetscCall(PetscDrawSPCreate(draw,1,&drawsp)); |
| 495 |
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141 | for (i=0;i<pep->nconv;i++) { |
| 496 | 125 | k = pep->perm[i]; | |
| 497 | #if defined(PETSC_USE_COMPLEX) | ||
| 498 | 45 | re = PetscRealPart(pep->eigr[k]); | |
| 499 | 45 | im = PetscImaginaryPart(pep->eigr[k]); | |
| 500 | #else | ||
| 501 | 80 | re = pep->eigr[k]; | |
| 502 | 80 | im = pep->eigi[k]; | |
| 503 | #endif | ||
| 504 |
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125 | PetscCall(PetscDrawSPAddPoint(drawsp,&re,&im)); |
| 505 | } | ||
| 506 |
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16 | PetscCall(PetscDrawSPDraw(drawsp,PETSC_TRUE)); |
| 507 |
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16 | PetscCall(PetscDrawSPSave(drawsp)); |
| 508 |
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16 | PetscCall(PetscDrawSPDestroy(&drawsp)); |
| 509 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 510 | } | ||
| 511 | |||
| 512 | 10 | static PetscErrorCode PEPValuesView_BINARY(PEP pep,PetscViewer viewer) | |
| 513 | { | ||
| 514 | #if defined(PETSC_HAVE_COMPLEX) | ||
| 515 | 10 | PetscInt i,k; | |
| 516 | 10 | PetscComplex *ev; | |
| 517 | #endif | ||
| 518 | |||
| 519 |
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10 | PetscFunctionBegin; |
| 520 | #if defined(PETSC_HAVE_COMPLEX) | ||
| 521 |
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10 | PetscCall(PetscMalloc1(pep->nconv,&ev)); |
| 522 |
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130 | for (i=0;i<pep->nconv;i++) { |
| 523 | 120 | k = pep->perm[i]; | |
| 524 | #if defined(PETSC_USE_COMPLEX) | ||
| 525 | 60 | ev[i] = pep->eigr[k]; | |
| 526 | #else | ||
| 527 | 60 | ev[i] = PetscCMPLX(pep->eigr[k],pep->eigi[k]); | |
| 528 | #endif | ||
| 529 | } | ||
| 530 |
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10 | PetscCall(PetscViewerBinaryWrite(viewer,ev,pep->nconv,PETSC_COMPLEX)); |
| 531 |
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10 | PetscCall(PetscFree(ev)); |
| 532 | #endif | ||
| 533 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 534 | } | ||
| 535 | |||
| 536 | #if defined(PETSC_HAVE_HDF5) | ||
| 537 | static PetscErrorCode PEPValuesView_HDF5(PEP pep,PetscViewer viewer) | ||
| 538 | { | ||
| 539 | PetscInt i,k,n,N; | ||
| 540 | PetscMPIInt rank; | ||
| 541 | Vec v; | ||
| 542 | char vname[30]; | ||
| 543 | const char *ename; | ||
| 544 | |||
| 545 | PetscFunctionBegin; | ||
| 546 | PetscCallMPI(MPI_Comm_rank(PetscObjectComm((PetscObject)pep),&rank)); | ||
| 547 | N = pep->nconv; | ||
| 548 | n = rank? 0: N; | ||
| 549 | /* create a vector containing the eigenvalues */ | ||
| 550 | PetscCall(VecCreateMPI(PetscObjectComm((PetscObject)pep),n,N,&v)); | ||
| 551 | PetscCall(PetscObjectGetName((PetscObject)pep,&ename)); | ||
| 552 | PetscCall(PetscSNPrintf(vname,sizeof(vname),"eigr_%s",ename)); | ||
| 553 | PetscCall(PetscObjectSetName((PetscObject)v,vname)); | ||
| 554 | if (!rank) { | ||
| 555 | for (i=0;i<pep->nconv;i++) { | ||
| 556 | k = pep->perm[i]; | ||
| 557 | PetscCall(VecSetValue(v,i,pep->eigr[k],INSERT_VALUES)); | ||
| 558 | } | ||
| 559 | } | ||
| 560 | PetscCall(VecAssemblyBegin(v)); | ||
| 561 | PetscCall(VecAssemblyEnd(v)); | ||
| 562 | PetscCall(VecView(v,viewer)); | ||
| 563 | #if !defined(PETSC_USE_COMPLEX) | ||
| 564 | /* in real scalars write the imaginary part as a separate vector */ | ||
| 565 | PetscCall(PetscSNPrintf(vname,sizeof(vname),"eigi_%s",ename)); | ||
| 566 | PetscCall(PetscObjectSetName((PetscObject)v,vname)); | ||
| 567 | if (!rank) { | ||
| 568 | for (i=0;i<pep->nconv;i++) { | ||
| 569 | k = pep->perm[i]; | ||
| 570 | PetscCall(VecSetValue(v,i,pep->eigi[k],INSERT_VALUES)); | ||
| 571 | } | ||
| 572 | } | ||
| 573 | PetscCall(VecAssemblyBegin(v)); | ||
| 574 | PetscCall(VecAssemblyEnd(v)); | ||
| 575 | PetscCall(VecView(v,viewer)); | ||
| 576 | #endif | ||
| 577 | PetscCall(VecDestroy(&v)); | ||
| 578 | PetscFunctionReturn(PETSC_SUCCESS); | ||
| 579 | } | ||
| 580 | #endif | ||
| 581 | |||
| 582 | 10 | static PetscErrorCode PEPValuesView_ASCII(PEP pep,PetscViewer viewer) | |
| 583 | { | ||
| 584 | 10 | PetscInt i,k; | |
| 585 | |||
| 586 |
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10 | PetscFunctionBegin; |
| 587 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"Eigenvalues = \n")); |
| 588 |
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130 | for (i=0;i<pep->nconv;i++) { |
| 589 | 120 | k = pep->perm[i]; | |
| 590 |
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120 | PetscCall(PetscViewerASCIIPrintf(viewer," ")); |
| 591 |
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120 | PetscCall(SlepcPrintEigenvalueASCII(viewer,pep->eigr[k],pep->eigi[k])); |
| 592 |
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120 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n")); |
| 593 | } | ||
| 594 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n")); |
| 595 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 596 | } | ||
| 597 | |||
| 598 | 10 | static PetscErrorCode PEPValuesView_MATLAB(PEP pep,PetscViewer viewer) | |
| 599 | { | ||
| 600 | 10 | PetscInt i,k; | |
| 601 | 10 | PetscReal re,im; | |
| 602 | 10 | const char *name; | |
| 603 | |||
| 604 |
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10 | PetscFunctionBegin; |
| 605 |
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10 | PetscCall(PetscObjectGetName((PetscObject)pep,&name)); |
| 606 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"Lambda_%s = [\n",name)); |
| 607 |
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30 | for (i=0;i<pep->nconv;i++) { |
| 608 | 20 | k = pep->perm[i]; | |
| 609 | #if defined(PETSC_USE_COMPLEX) | ||
| 610 | 10 | re = PetscRealPart(pep->eigr[k]); | |
| 611 | 10 | im = PetscImaginaryPart(pep->eigr[k]); | |
| 612 | #else | ||
| 613 | 10 | re = pep->eigr[k]; | |
| 614 | 10 | im = pep->eigi[k]; | |
| 615 | #endif | ||
| 616 |
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20 | if (im!=0.0) PetscCall(PetscViewerASCIIPrintf(viewer,"%18.16e%+18.16ei\n",(double)re,(double)im)); |
| 617 |
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20 | else PetscCall(PetscViewerASCIIPrintf(viewer,"%18.16e\n",(double)re)); |
| 618 | } | ||
| 619 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"];\n")); |
| 620 |
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|
2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 621 | } | ||
| 622 | |||
| 623 | /*@ | ||
| 624 | PEPValuesView - Displays the computed eigenvalues in a viewer. | ||
| 625 | |||
| 626 | Collective | ||
| 627 | |||
| 628 | Input Parameters: | ||
| 629 | + pep - the eigensolver context | ||
| 630 | - viewer - the viewer | ||
| 631 | |||
| 632 | Options Database Key: | ||
| 633 | . -pep_view_values - print computed eigenvalues | ||
| 634 | |||
| 635 | Level: intermediate | ||
| 636 | |||
| 637 | .seealso: PEPSolve(), PEPVectorsView(), PEPErrorView() | ||
| 638 | @*/ | ||
| 639 | 46 | PetscErrorCode PEPValuesView(PEP pep,PetscViewer viewer) | |
| 640 | { | ||
| 641 | 46 | PetscBool isascii,isdraw,isbinary; | |
| 642 | 46 | PetscViewerFormat format; | |
| 643 | #if defined(PETSC_HAVE_HDF5) | ||
| 644 | PetscBool ishdf5; | ||
| 645 | #endif | ||
| 646 | |||
| 647 |
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46 | PetscFunctionBegin; |
| 648 |
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46 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 649 |
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46 | if (!viewer) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)pep),&viewer)); |
| 650 |
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46 | PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); |
| 651 |
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46 | PetscCheckSameComm(pep,1,viewer,2); |
| 652 |
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46 | PEPCheckSolved(pep,1); |
| 653 |
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46 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERDRAW,&isdraw)); |
| 654 |
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46 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERBINARY,&isbinary)); |
| 655 | #if defined(PETSC_HAVE_HDF5) | ||
| 656 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERHDF5,&ishdf5)); | ||
| 657 | #endif | ||
| 658 |
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46 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); |
| 659 |
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46 | if (isdraw) PetscCall(PEPValuesView_DRAW(pep,viewer)); |
| 660 |
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30 | else if (isbinary) PetscCall(PEPValuesView_BINARY(pep,viewer)); |
| 661 | #if defined(PETSC_HAVE_HDF5) | ||
| 662 | else if (ishdf5) PetscCall(PEPValuesView_HDF5(pep,viewer)); | ||
| 663 | #endif | ||
| 664 |
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20 | else if (isascii) { |
| 665 |
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20 | PetscCall(PetscViewerGetFormat(viewer,&format)); |
| 666 |
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20 | switch (format) { |
| 667 | 10 | case PETSC_VIEWER_DEFAULT: | |
| 668 | case PETSC_VIEWER_ASCII_INFO: | ||
| 669 | case PETSC_VIEWER_ASCII_INFO_DETAIL: | ||
| 670 |
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10 | PetscCall(PEPValuesView_ASCII(pep,viewer)); |
| 671 | break; | ||
| 672 | 10 | case PETSC_VIEWER_ASCII_MATLAB: | |
| 673 |
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10 | PetscCall(PEPValuesView_MATLAB(pep,viewer)); |
| 674 | break; | ||
| 675 | ✗ | default: | |
| 676 | ✗ | PetscCall(PetscInfo(pep,"Unsupported viewer format %s\n",PetscViewerFormats[format])); | |
| 677 | } | ||
| 678 | } | ||
| 679 |
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8 | PetscFunctionReturn(PETSC_SUCCESS); |
| 680 | } | ||
| 681 | |||
| 682 | /*@ | ||
| 683 | PEPValuesViewFromOptions - Processes command line options to determine if/how | ||
| 684 | the computed eigenvalues are to be viewed. | ||
| 685 | |||
| 686 | Collective | ||
| 687 | |||
| 688 | Input Parameter: | ||
| 689 | . pep - the eigensolver context | ||
| 690 | |||
| 691 | Level: developer | ||
| 692 | |||
| 693 | .seealso: PEPValuesView() | ||
| 694 | @*/ | ||
| 695 | 1956 | PetscErrorCode PEPValuesViewFromOptions(PEP pep) | |
| 696 | { | ||
| 697 | 1956 | PetscViewer viewer; | |
| 698 | 1956 | PetscBool flg; | |
| 699 | 1956 | static PetscBool incall = PETSC_FALSE; | |
| 700 | 1956 | PetscViewerFormat format; | |
| 701 | |||
| 702 |
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1956 | PetscFunctionBegin; |
| 703 |
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1956 | if (incall) PetscFunctionReturn(PETSC_SUCCESS); |
| 704 | 1956 | incall = PETSC_TRUE; | |
| 705 |
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1956 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)pep),((PetscObject)pep)->options,((PetscObject)pep)->prefix,"-pep_view_values",&viewer,&format,&flg)); |
| 706 |
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1956 | if (flg) { |
| 707 |
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46 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 708 |
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46 | PetscCall(PEPValuesView(pep,viewer)); |
| 709 |
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46 | PetscCall(PetscViewerPopFormat(viewer)); |
| 710 |
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46 | PetscCall(PetscViewerDestroy(&viewer)); |
| 711 | } | ||
| 712 | 1956 | incall = PETSC_FALSE; | |
| 713 |
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1956 | PetscFunctionReturn(PETSC_SUCCESS); |
| 714 | } | ||
| 715 | |||
| 716 | /*@ | ||
| 717 | PEPVectorsView - Outputs computed eigenvectors to a viewer. | ||
| 718 | |||
| 719 | Collective | ||
| 720 | |||
| 721 | Input Parameters: | ||
| 722 | + pep - the eigensolver context | ||
| 723 | - viewer - the viewer | ||
| 724 | |||
| 725 | Options Database Key: | ||
| 726 | . -pep_view_vectors - output eigenvectors. | ||
| 727 | |||
| 728 | Note: | ||
| 729 | If PETSc was configured with real scalars, complex conjugate eigenvectors | ||
| 730 | will be viewed as two separate real vectors, one containing the real part | ||
| 731 | and another one containing the imaginary part. | ||
| 732 | |||
| 733 | Level: intermediate | ||
| 734 | |||
| 735 | .seealso: PEPSolve(), PEPValuesView(), PEPErrorView() | ||
| 736 | @*/ | ||
| 737 | 10 | PetscErrorCode PEPVectorsView(PEP pep,PetscViewer viewer) | |
| 738 | { | ||
| 739 | 10 | PetscInt i,k; | |
| 740 | 10 | Vec xr,xi=NULL; | |
| 741 | |||
| 742 |
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10 | PetscFunctionBegin; |
| 743 |
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10 | PetscValidHeaderSpecific(pep,PEP_CLASSID,1); |
| 744 |
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10 | if (!viewer) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)pep),&viewer)); |
| 745 |
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10 | PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); |
| 746 |
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10 | PetscCheckSameComm(pep,1,viewer,2); |
| 747 |
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10 | PEPCheckSolved(pep,1); |
| 748 |
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10 | if (pep->nconv) { |
| 749 |
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10 | PetscCall(PEPComputeVectors(pep)); |
| 750 |
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10 | PetscCall(BVCreateVec(pep->V,&xr)); |
| 751 | #if !defined(PETSC_USE_COMPLEX) | ||
| 752 |
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5 | PetscCall(BVCreateVec(pep->V,&xi)); |
| 753 | #endif | ||
| 754 |
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25 | for (i=0;i<pep->nconv;i++) { |
| 755 | 15 | k = pep->perm[i]; | |
| 756 |
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15 | PetscCall(BV_GetEigenvector(pep->V,k,pep->eigi[k],xr,xi)); |
| 757 |
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15 | PetscCall(SlepcViewEigenvector(viewer,xr,xi,"X",i,(PetscObject)pep)); |
| 758 | } | ||
| 759 |
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10 | PetscCall(VecDestroy(&xr)); |
| 760 | #if !defined(PETSC_USE_COMPLEX) | ||
| 761 |
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5 | PetscCall(VecDestroy(&xi)); |
| 762 | #endif | ||
| 763 | } | ||
| 764 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 765 | } | ||
| 766 | |||
| 767 | /*@ | ||
| 768 | PEPVectorsViewFromOptions - Processes command line options to determine if/how | ||
| 769 | the computed eigenvectors are to be viewed. | ||
| 770 | |||
| 771 | Collective | ||
| 772 | |||
| 773 | Input Parameter: | ||
| 774 | . pep - the eigensolver context | ||
| 775 | |||
| 776 | Level: developer | ||
| 777 | |||
| 778 | .seealso: PEPVectorsView() | ||
| 779 | @*/ | ||
| 780 | 1956 | PetscErrorCode PEPVectorsViewFromOptions(PEP pep) | |
| 781 | { | ||
| 782 | 1956 | PetscViewer viewer; | |
| 783 | 1956 | PetscBool flg = PETSC_FALSE; | |
| 784 | 1956 | static PetscBool incall = PETSC_FALSE; | |
| 785 | 1956 | PetscViewerFormat format; | |
| 786 | |||
| 787 |
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1956 | PetscFunctionBegin; |
| 788 |
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1956 | if (incall) PetscFunctionReturn(PETSC_SUCCESS); |
| 789 | 1956 | incall = PETSC_TRUE; | |
| 790 |
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1956 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)pep),((PetscObject)pep)->options,((PetscObject)pep)->prefix,"-pep_view_vectors",&viewer,&format,&flg)); |
| 791 |
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1956 | if (flg) { |
| 792 |
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10 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 793 |
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10 | PetscCall(PEPVectorsView(pep,viewer)); |
| 794 |
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10 | PetscCall(PetscViewerPopFormat(viewer)); |
| 795 |
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10 | PetscCall(PetscViewerDestroy(&viewer)); |
| 796 | } | ||
| 797 | 1956 | incall = PETSC_FALSE; | |
| 798 |
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1956 | PetscFunctionReturn(PETSC_SUCCESS); |
| 799 | } | ||
| 800 |