| 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 | NEP routines related to various viewers | ||
| 12 | */ | ||
| 13 | |||
| 14 | #include <slepc/private/nepimpl.h> /*I "slepcnep.h" I*/ | ||
| 15 | #include <slepc/private/bvimpl.h> | ||
| 16 | #include <petscdraw.h> | ||
| 17 | |||
| 18 | /*@ | ||
| 19 | NEPView - Prints the NEP data structure. | ||
| 20 | |||
| 21 | Collective | ||
| 22 | |||
| 23 | Input Parameters: | ||
| 24 | + nep - the nonlinear eigenproblem solver context | ||
| 25 | - viewer - optional visualization context | ||
| 26 | |||
| 27 | Options Database Key: | ||
| 28 | . -nep_view - Calls NEPView() at end of NEPSolve() | ||
| 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: FNView() | ||
| 44 | @*/ | ||
| 45 | 45 | PetscErrorCode NEPView(NEP nep,PetscViewer viewer) | |
| 46 | { | ||
| 47 | 45 | const char *type=NULL; | |
| 48 | 45 | char str[50]; | |
| 49 | 45 | PetscInt i; | |
| 50 | 45 | PetscBool isascii,istrivial; | |
| 51 | 45 | PetscViewer sviewer; | |
| 52 | 45 | MPI_Comm child; | |
| 53 | |||
| 54 |
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45 | PetscFunctionBegin; |
| 55 |
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45 | PetscValidHeaderSpecific(nep,NEP_CLASSID,1); |
| 56 |
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45 | if (!viewer) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)nep),&viewer)); |
| 57 |
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45 | PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); |
| 58 |
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45 | PetscCheckSameComm(nep,1,viewer,2); |
| 59 | |||
| 60 |
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45 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); |
| 61 |
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45 | if (isascii) { |
| 62 |
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45 | PetscCall(PetscObjectPrintClassNamePrefixType((PetscObject)nep,viewer)); |
| 63 |
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45 | PetscCall(PetscViewerASCIIPushTab(viewer)); |
| 64 |
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45 | PetscTryTypeMethod(nep,view,viewer); |
| 65 |
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45 | PetscCall(PetscViewerASCIIPopTab(viewer)); |
| 66 |
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45 | if (nep->problem_type) { |
| 67 |
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45 | switch (nep->problem_type) { |
| 68 | 35 | case NEP_GENERAL: type = "general nonlinear eigenvalue problem"; break; | |
| 69 | 10 | case NEP_RATIONAL: type = "rational eigenvalue problem"; break; | |
| 70 | } | ||
| 71 | } else type = "not yet set"; | ||
| 72 |
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45 | PetscCall(PetscViewerASCIIPrintf(viewer," problem type: %s\n",type)); |
| 73 |
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45 | if (nep->fui) { |
| 74 |
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45 | switch (nep->fui) { |
| 75 | ✗ | case NEP_USER_INTERFACE_CALLBACK: | |
| 76 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," nonlinear operator from user callbacks\n")); | |
| 77 | break; | ||
| 78 | 45 | case NEP_USER_INTERFACE_SPLIT: | |
| 79 |
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45 | PetscCall(PetscViewerASCIIPrintf(viewer," nonlinear operator in split form\n")); |
| 80 |
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45 | PetscCall(PetscViewerASCIIPrintf(viewer," number of terms: %" PetscInt_FMT "\n",nep->nt)); |
| 81 |
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45 | PetscCall(PetscViewerASCIIPrintf(viewer," nonzero pattern of the matrices: %s\n",MatStructures[nep->mstr])); |
| 82 | break; | ||
| 83 | } | ||
| 84 | ✗ | } else PetscCall(PetscViewerASCIIPrintf(viewer," nonlinear operator not specified yet\n")); | |
| 85 |
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45 | PetscCall(PetscViewerASCIIPrintf(viewer," selected portion of the spectrum: ")); |
| 86 |
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45 | PetscCall(PetscViewerASCIIUseTabs(viewer,PETSC_FALSE)); |
| 87 |
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45 | PetscCall(SlepcSNPrintfScalar(str,sizeof(str),nep->target,PETSC_FALSE)); |
| 88 |
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45 | if (!nep->which) PetscCall(PetscViewerASCIIPrintf(viewer,"not yet set\n")); |
| 89 |
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45 | else switch (nep->which) { |
| 90 | ✗ | case NEP_WHICH_USER: | |
| 91 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"user defined\n")); | |
| 92 | break; | ||
| 93 | 40 | case NEP_TARGET_MAGNITUDE: | |
| 94 |
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40 | PetscCall(PetscViewerASCIIPrintf(viewer,"closest to target: %s (in magnitude)\n",str)); |
| 95 | break; | ||
| 96 | ✗ | case NEP_TARGET_REAL: | |
| 97 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"closest to target: %s (along the real axis)\n",str)); | |
| 98 | break; | ||
| 99 | ✗ | case NEP_TARGET_IMAGINARY: | |
| 100 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"closest to target: %s (along the imaginary axis)\n",str)); | |
| 101 | break; | ||
| 102 | ✗ | case NEP_LARGEST_MAGNITUDE: | |
| 103 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"largest eigenvalues in magnitude\n")); | |
| 104 | break; | ||
| 105 | ✗ | case NEP_SMALLEST_MAGNITUDE: | |
| 106 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"smallest eigenvalues in magnitude\n")); | |
| 107 | break; | ||
| 108 | ✗ | case NEP_LARGEST_REAL: | |
| 109 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"largest real parts\n")); | |
| 110 | break; | ||
| 111 | ✗ | case NEP_SMALLEST_REAL: | |
| 112 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"smallest real parts\n")); | |
| 113 | break; | ||
| 114 | ✗ | case NEP_LARGEST_IMAGINARY: | |
| 115 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"largest imaginary parts\n")); | |
| 116 | break; | ||
| 117 | ✗ | case NEP_SMALLEST_IMAGINARY: | |
| 118 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"smallest imaginary parts\n")); | |
| 119 | break; | ||
| 120 | 5 | case NEP_ALL: | |
| 121 |
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5 | PetscCall(PetscViewerASCIIPrintf(viewer,"all eigenvalues in the region\n")); |
| 122 | break; | ||
| 123 | } | ||
| 124 |
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45 | PetscCall(PetscViewerASCIIUseTabs(viewer,PETSC_TRUE)); |
| 125 |
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45 | if (nep->twosided) PetscCall(PetscViewerASCIIPrintf(viewer," using two-sided variant (for left eigenvectors)\n")); |
| 126 |
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45 | PetscCall(PetscViewerASCIIPrintf(viewer," number of eigenvalues (nev): %" PetscInt_FMT "\n",nep->nev)); |
| 127 |
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45 | PetscCall(PetscViewerASCIIPrintf(viewer," number of column vectors (ncv): %" PetscInt_FMT "\n",nep->ncv)); |
| 128 |
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45 | PetscCall(PetscViewerASCIIPrintf(viewer," maximum dimension of projected problem (mpd): %" PetscInt_FMT "\n",nep->mpd)); |
| 129 |
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45 | PetscCall(PetscViewerASCIIPrintf(viewer," maximum number of iterations: %" PetscInt_FMT "\n",nep->max_it)); |
| 130 |
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45 | PetscCall(PetscViewerASCIIPrintf(viewer," tolerance: %g\n",(double)nep->tol)); |
| 131 |
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45 | PetscCall(PetscViewerASCIIPrintf(viewer," convergence test: ")); |
| 132 |
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45 | PetscCall(PetscViewerASCIIUseTabs(viewer,PETSC_FALSE)); |
| 133 |
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45 | switch (nep->conv) { |
| 134 | 10 | case NEP_CONV_ABS: | |
| 135 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"absolute\n"));break; |
| 136 | 35 | case NEP_CONV_REL: | |
| 137 |
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35 | PetscCall(PetscViewerASCIIPrintf(viewer,"relative to the eigenvalue\n"));break; |
| 138 | ✗ | case NEP_CONV_NORM: | |
| 139 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"relative to the matrix norms\n")); | |
| 140 | ✗ | if (nep->nrma) { | |
| 141 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," computed matrix norms: %g",(double)nep->nrma[0])); | |
| 142 | ✗ | for (i=1;i<nep->nt;i++) PetscCall(PetscViewerASCIIPrintf(viewer,", %g",(double)nep->nrma[i])); | |
| 143 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"\n")); | |
| 144 | } | ||
| 145 | break; | ||
| 146 | ✗ | case NEP_CONV_USER: | |
| 147 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"user-defined\n"));break; | |
| 148 | } | ||
| 149 |
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45 | PetscCall(PetscViewerASCIIUseTabs(viewer,PETSC_TRUE)); |
| 150 |
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45 | if (nep->refine) { |
| 151 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer," iterative refinement: %s, with %s scheme\n",NEPRefineTypes[nep->refine],NEPRefineSchemes[nep->scheme])); |
| 152 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer," refinement stopping criterion: tol=%g, its=%" PetscInt_FMT "\n",(double)nep->rtol,nep->rits)); |
| 153 |
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10 | if (nep->npart>1) PetscCall(PetscViewerASCIIPrintf(viewer," splitting communicator in %" PetscInt_FMT " partitions for refinement\n",nep->npart)); |
| 154 | } | ||
| 155 |
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45 | if (nep->nini) PetscCall(PetscViewerASCIIPrintf(viewer," dimension of user-provided initial space: %" PetscInt_FMT "\n",PetscAbs(nep->nini))); |
| 156 | ✗ | } else PetscTryTypeMethod(nep,view,viewer); | |
| 157 |
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45 | PetscCall(PetscViewerPushFormat(viewer,PETSC_VIEWER_ASCII_INFO)); |
| 158 |
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45 | if (!nep->V) PetscCall(NEPGetBV(nep,&nep->V)); |
| 159 |
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45 | PetscCall(BVView(nep->V,viewer)); |
| 160 |
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45 | if (!nep->rg) PetscCall(NEPGetRG(nep,&nep->rg)); |
| 161 |
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45 | PetscCall(RGIsTrivial(nep->rg,&istrivial)); |
| 162 |
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45 | if (!istrivial) PetscCall(RGView(nep->rg,viewer)); |
| 163 |
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45 | if (nep->useds) { |
| 164 |
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45 | if (!nep->ds) PetscCall(NEPGetDS(nep,&nep->ds)); |
| 165 |
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45 | PetscCall(DSView(nep->ds,viewer)); |
| 166 | } | ||
| 167 |
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45 | PetscCall(PetscViewerPopFormat(viewer)); |
| 168 |
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45 | if (nep->refine!=NEP_REFINE_NONE) { |
| 169 |
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10 | PetscCall(PetscViewerASCIIPushTab(viewer)); |
| 170 |
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10 | if (nep->npart>1) { |
| 171 | ✗ | if (nep->refinesubc->color==0) { | |
| 172 | ✗ | PetscCall(PetscSubcommGetChild(nep->refinesubc,&child)); | |
| 173 | ✗ | PetscCall(PetscViewerASCIIGetStdout(child,&sviewer)); | |
| 174 | ✗ | PetscCall(KSPView(nep->refineksp,sviewer)); | |
| 175 | } | ||
| 176 |
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10 | } else PetscCall(KSPView(nep->refineksp,viewer)); |
| 177 |
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10 | PetscCall(PetscViewerASCIIPopTab(viewer)); |
| 178 | } | ||
| 179 |
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9 | PetscFunctionReturn(PETSC_SUCCESS); |
| 180 | } | ||
| 181 | |||
| 182 | /*@ | ||
| 183 | NEPViewFromOptions - View from options | ||
| 184 | |||
| 185 | Collective | ||
| 186 | |||
| 187 | Input Parameters: | ||
| 188 | + nep - the nonlinear eigensolver context | ||
| 189 | . obj - optional object | ||
| 190 | - name - command line option | ||
| 191 | |||
| 192 | Level: intermediate | ||
| 193 | |||
| 194 | .seealso: NEPView(), NEPCreate() | ||
| 195 | @*/ | ||
| 196 | 2970 | PetscErrorCode NEPViewFromOptions(NEP nep,PetscObject obj,const char name[]) | |
| 197 | { | ||
| 198 |
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2970 | PetscFunctionBegin; |
| 199 |
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2970 | PetscValidHeaderSpecific(nep,NEP_CLASSID,1); |
| 200 |
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2970 | PetscCall(PetscObjectViewFromOptions((PetscObject)nep,obj,name)); |
| 201 |
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566 | PetscFunctionReturn(PETSC_SUCCESS); |
| 202 | } | ||
| 203 | |||
| 204 | /*@ | ||
| 205 | NEPConvergedReasonView - Displays the reason a NEP solve converged or diverged. | ||
| 206 | |||
| 207 | Collective | ||
| 208 | |||
| 209 | Input Parameters: | ||
| 210 | + nep - the nonlinear eigensolver context | ||
| 211 | - viewer - the viewer to display the reason | ||
| 212 | |||
| 213 | Options Database Keys: | ||
| 214 | . -nep_converged_reason - print reason for convergence, and number of iterations | ||
| 215 | |||
| 216 | Note: | ||
| 217 | To change the format of the output call PetscViewerPushFormat(viewer,format) before | ||
| 218 | this call. Use PETSC_VIEWER_DEFAULT for the default, use PETSC_VIEWER_FAILED to only | ||
| 219 | display a reason if it fails. The latter can be set in the command line with | ||
| 220 | -nep_converged_reason ::failed | ||
| 221 | |||
| 222 | Level: intermediate | ||
| 223 | |||
| 224 | .seealso: NEPSetConvergenceTest(), NEPSetTolerances(), NEPGetIterationNumber(), NEPConvergedReasonViewFromOptions() | ||
| 225 | @*/ | ||
| 226 | 20 | PetscErrorCode NEPConvergedReasonView(NEP nep,PetscViewer viewer) | |
| 227 | { | ||
| 228 | 20 | PetscBool isAscii; | |
| 229 | 20 | PetscViewerFormat format; | |
| 230 | |||
| 231 |
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20 | PetscFunctionBegin; |
| 232 |
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20 | if (!viewer) viewer = PETSC_VIEWER_STDOUT_(PetscObjectComm((PetscObject)nep)); |
| 233 |
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20 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isAscii)); |
| 234 |
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20 | if (isAscii) { |
| 235 |
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20 | PetscCall(PetscViewerGetFormat(viewer,&format)); |
| 236 |
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20 | PetscCall(PetscViewerASCIIAddTab(viewer,((PetscObject)nep)->tablevel)); |
| 237 |
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30 | if (nep->reason > 0 && format != PETSC_VIEWER_FAILED) PetscCall(PetscViewerASCIIPrintf(viewer,"%s Nonlinear eigensolve converged (%" PetscInt_FMT " eigenpair%s) due to %s; iterations %" PetscInt_FMT "\n",((PetscObject)nep)->prefix?((PetscObject)nep)->prefix:"",nep->nconv,(nep->nconv>1)?"s":"",NEPConvergedReasons[nep->reason],nep->its)); |
| 238 | ✗ | else if (nep->reason <= 0) PetscCall(PetscViewerASCIIPrintf(viewer,"%s Nonlinear eigensolve did not converge due to %s; iterations %" PetscInt_FMT "\n",((PetscObject)nep)->prefix?((PetscObject)nep)->prefix:"",NEPConvergedReasons[nep->reason],nep->its)); | |
| 239 |
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20 | PetscCall(PetscViewerASCIISubtractTab(viewer,((PetscObject)nep)->tablevel)); |
| 240 | } | ||
| 241 |
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4 | PetscFunctionReturn(PETSC_SUCCESS); |
| 242 | } | ||
| 243 | |||
| 244 | /*@ | ||
| 245 | NEPConvergedReasonViewFromOptions - Processes command line options to determine if/how | ||
| 246 | the NEP converged reason is to be viewed. | ||
| 247 | |||
| 248 | Collective | ||
| 249 | |||
| 250 | Input Parameter: | ||
| 251 | . nep - the nonlinear eigensolver context | ||
| 252 | |||
| 253 | Level: developer | ||
| 254 | |||
| 255 | .seealso: NEPConvergedReasonView() | ||
| 256 | @*/ | ||
| 257 | 1485 | PetscErrorCode NEPConvergedReasonViewFromOptions(NEP nep) | |
| 258 | { | ||
| 259 | 1485 | PetscViewer viewer; | |
| 260 | 1485 | PetscBool flg; | |
| 261 | 1485 | static PetscBool incall = PETSC_FALSE; | |
| 262 | 1485 | PetscViewerFormat format; | |
| 263 | |||
| 264 |
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1485 | PetscFunctionBegin; |
| 265 |
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1485 | if (incall) PetscFunctionReturn(PETSC_SUCCESS); |
| 266 | 1485 | incall = PETSC_TRUE; | |
| 267 |
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1485 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)nep),((PetscObject)nep)->options,((PetscObject)nep)->prefix,"-nep_converged_reason",&viewer,&format,&flg)); |
| 268 |
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1485 | if (flg) { |
| 269 |
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10 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 270 |
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10 | PetscCall(NEPConvergedReasonView(nep,viewer)); |
| 271 |
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10 | PetscCall(PetscViewerPopFormat(viewer)); |
| 272 |
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10 | PetscCall(PetscViewerDestroy(&viewer)); |
| 273 | } | ||
| 274 | 1485 | incall = PETSC_FALSE; | |
| 275 |
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1485 | PetscFunctionReturn(PETSC_SUCCESS); |
| 276 | } | ||
| 277 | |||
| 278 | 1404 | static PetscErrorCode NEPErrorView_ASCII(NEP nep,NEPErrorType etype,PetscViewer viewer) | |
| 279 | { | ||
| 280 | 1404 | PetscReal error; | |
| 281 | 1404 | PetscInt i,j,k,nvals; | |
| 282 | |||
| 283 |
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1404 | PetscFunctionBegin; |
| 284 |
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1404 | nvals = (nep->which==NEP_ALL)? nep->nconv: nep->nev; |
| 285 |
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1404 | if (nep->which!=NEP_ALL && nep->nconv<nvals) { |
| 286 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," Problem: less than %" PetscInt_FMT " eigenvalues converged\n\n",nep->nev)); | |
| 287 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 288 | } | ||
| 289 |
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1404 | if (nep->which==NEP_ALL && !nvals) { |
| 290 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," No eigenvalues have been found\n\n")); | |
| 291 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 292 | } | ||
| 293 |
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5303 | for (i=0;i<nvals;i++) { |
| 294 |
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3899 | PetscCall(NEPComputeError(nep,i,etype,&error)); |
| 295 |
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3899 | if (error>=5.0*nep->tol) { |
| 296 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," Problem: some of the first %" PetscInt_FMT " relative errors are higher than the tolerance\n\n",nvals)); | |
| 297 |
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761 | PetscFunctionReturn(PETSC_SUCCESS); |
| 298 | } | ||
| 299 | } | ||
| 300 |
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1404 | if (nep->which==NEP_ALL) PetscCall(PetscViewerASCIIPrintf(viewer," Found %" PetscInt_FMT " eigenvalues, all of them computed up to the required tolerance:",nvals)); |
| 301 |
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1208 | else PetscCall(PetscViewerASCIIPrintf(viewer," All requested eigenvalues computed up to the required tolerance:")); |
| 302 |
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2819 | for (i=0;i<=(nvals-1)/8;i++) { |
| 303 |
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1415 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n ")); |
| 304 |
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5314 | for (j=0;j<PetscMin(8,nvals-8*i);j++) { |
| 305 | 3899 | k = nep->perm[8*i+j]; | |
| 306 |
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3899 | PetscCall(SlepcPrintEigenvalueASCII(viewer,nep->eigr[k],nep->eigi[k])); |
| 307 |
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3899 | if (8*i+j+1<nvals) PetscCall(PetscViewerASCIIPrintf(viewer,", ")); |
| 308 | } | ||
| 309 | } | ||
| 310 |
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1404 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n\n")); |
| 311 |
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269 | PetscFunctionReturn(PETSC_SUCCESS); |
| 312 | } | ||
| 313 | |||
| 314 | 10 | static PetscErrorCode NEPErrorView_DETAIL(NEP nep,NEPErrorType etype,PetscViewer viewer) | |
| 315 | { | ||
| 316 | 10 | PetscReal error,re,im; | |
| 317 | 10 | PetscScalar kr,ki; | |
| 318 | 10 | PetscInt i; | |
| 319 | 10 | char ex[30],sep[]=" ---------------------- --------------------\n"; | |
| 320 | |||
| 321 |
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10 | PetscFunctionBegin; |
| 322 |
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10 | if (!nep->nconv) PetscFunctionReturn(PETSC_SUCCESS); |
| 323 |
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10 | switch (etype) { |
| 324 | ✗ | case NEP_ERROR_ABSOLUTE: | |
| 325 | ✗ | PetscCall(PetscSNPrintf(ex,sizeof(ex)," ||T(k)x||")); | |
| 326 | break; | ||
| 327 | ✗ | case NEP_ERROR_RELATIVE: | |
| 328 | ✗ | PetscCall(PetscSNPrintf(ex,sizeof(ex)," ||T(k)x||/||kx||")); | |
| 329 | break; | ||
| 330 | 10 | case NEP_ERROR_BACKWARD: | |
| 331 |
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10 | PetscCall(PetscSNPrintf(ex,sizeof(ex)," eta(x,k)")); |
| 332 | break; | ||
| 333 | } | ||
| 334 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"%s k %s\n%s",sep,ex,sep)); |
| 335 |
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20 | for (i=0;i<nep->nconv;i++) { |
| 336 |
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10 | PetscCall(NEPGetEigenpair(nep,i,&kr,&ki,NULL,NULL)); |
| 337 |
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10 | PetscCall(NEPComputeError(nep,i,etype,&error)); |
| 338 | #if defined(PETSC_USE_COMPLEX) | ||
| 339 | 5 | re = PetscRealPart(kr); | |
| 340 | 5 | im = PetscImaginaryPart(kr); | |
| 341 | #else | ||
| 342 | 5 | re = kr; | |
| 343 | 5 | im = ki; | |
| 344 | #endif | ||
| 345 |
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10 | if (im!=0.0) PetscCall(PetscViewerASCIIPrintf(viewer," % 9f%+9fi %12g\n",(double)re,(double)im,(double)error)); |
| 346 |
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10 | else PetscCall(PetscViewerASCIIPrintf(viewer," % 12f %12g\n",(double)re,(double)error)); |
| 347 | } | ||
| 348 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"%s",sep)); |
| 349 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 350 | } | ||
| 351 | |||
| 352 | 20 | static PetscErrorCode NEPErrorView_MATLAB(NEP nep,NEPErrorType etype,PetscViewer viewer) | |
| 353 | { | ||
| 354 | 20 | PetscReal error; | |
| 355 | 20 | PetscInt i; | |
| 356 | 20 | const char *name; | |
| 357 | |||
| 358 |
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20 | PetscFunctionBegin; |
| 359 |
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20 | PetscCall(PetscObjectGetName((PetscObject)nep,&name)); |
| 360 |
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20 | PetscCall(PetscViewerASCIIPrintf(viewer,"Error_%s = [\n",name)); |
| 361 |
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70 | for (i=0;i<nep->nconv;i++) { |
| 362 |
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50 | PetscCall(NEPComputeError(nep,i,etype,&error)); |
| 363 |
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50 | PetscCall(PetscViewerASCIIPrintf(viewer,"%18.16e\n",(double)error)); |
| 364 | } | ||
| 365 |
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20 | PetscCall(PetscViewerASCIIPrintf(viewer,"];\n")); |
| 366 |
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4 | PetscFunctionReturn(PETSC_SUCCESS); |
| 367 | } | ||
| 368 | |||
| 369 | /*@ | ||
| 370 | NEPErrorView - Displays the errors associated with the computed solution | ||
| 371 | (as well as the eigenvalues). | ||
| 372 | |||
| 373 | Collective | ||
| 374 | |||
| 375 | Input Parameters: | ||
| 376 | + nep - the nonlinear eigensolver context | ||
| 377 | . etype - error type | ||
| 378 | - viewer - optional visualization context | ||
| 379 | |||
| 380 | Options Database Keys: | ||
| 381 | + -nep_error_absolute - print absolute errors of each eigenpair | ||
| 382 | . -nep_error_relative - print relative errors of each eigenpair | ||
| 383 | - -nep_error_backward - print backward errors of each eigenpair | ||
| 384 | |||
| 385 | Notes: | ||
| 386 | By default, this function checks the error of all eigenpairs and prints | ||
| 387 | the eigenvalues if all of them are below the requested tolerance. | ||
| 388 | If the viewer has format=PETSC_VIEWER_ASCII_INFO_DETAIL then a table with | ||
| 389 | eigenvalues and corresponding errors is printed. | ||
| 390 | |||
| 391 | Level: intermediate | ||
| 392 | |||
| 393 | .seealso: NEPSolve(), NEPValuesView(), NEPVectorsView() | ||
| 394 | @*/ | ||
| 395 | 1434 | PetscErrorCode NEPErrorView(NEP nep,NEPErrorType etype,PetscViewer viewer) | |
| 396 | { | ||
| 397 | 1434 | PetscBool isascii; | |
| 398 | 1434 | PetscViewerFormat format; | |
| 399 | |||
| 400 |
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1434 | PetscFunctionBegin; |
| 401 |
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1434 | PetscValidHeaderSpecific(nep,NEP_CLASSID,1); |
| 402 |
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1434 | if (!viewer) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)nep),&viewer)); |
| 403 |
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1434 | PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,3); |
| 404 |
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1434 | PetscCheckSameComm(nep,1,viewer,3); |
| 405 |
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1434 | NEPCheckSolved(nep,1); |
| 406 |
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1434 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); |
| 407 |
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1434 | if (!isascii) PetscFunctionReturn(PETSC_SUCCESS); |
| 408 | |||
| 409 |
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1434 | PetscCall(PetscViewerGetFormat(viewer,&format)); |
| 410 |
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1434 | switch (format) { |
| 411 | 1404 | case PETSC_VIEWER_DEFAULT: | |
| 412 | case PETSC_VIEWER_ASCII_INFO: | ||
| 413 |
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1404 | PetscCall(NEPErrorView_ASCII(nep,etype,viewer)); |
| 414 | break; | ||
| 415 | 10 | case PETSC_VIEWER_ASCII_INFO_DETAIL: | |
| 416 |
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10 | PetscCall(NEPErrorView_DETAIL(nep,etype,viewer)); |
| 417 | break; | ||
| 418 | 20 | case PETSC_VIEWER_ASCII_MATLAB: | |
| 419 |
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20 | PetscCall(NEPErrorView_MATLAB(nep,etype,viewer)); |
| 420 | break; | ||
| 421 | ✗ | default: | |
| 422 | ✗ | PetscCall(PetscInfo(nep,"Unsupported viewer format %s\n",PetscViewerFormats[format])); | |
| 423 | } | ||
| 424 |
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275 | PetscFunctionReturn(PETSC_SUCCESS); |
| 425 | } | ||
| 426 | |||
| 427 | /*@ | ||
| 428 | NEPErrorViewFromOptions - Processes command line options to determine if/how | ||
| 429 | the errors of the computed solution are to be viewed. | ||
| 430 | |||
| 431 | Collective | ||
| 432 | |||
| 433 | Input Parameter: | ||
| 434 | . nep - the nonlinear eigensolver context | ||
| 435 | |||
| 436 | Level: developer | ||
| 437 | |||
| 438 | .seealso: NEPErrorView() | ||
| 439 | @*/ | ||
| 440 | 1485 | PetscErrorCode NEPErrorViewFromOptions(NEP nep) | |
| 441 | { | ||
| 442 | 1485 | PetscViewer viewer; | |
| 443 | 1485 | PetscBool flg; | |
| 444 | 1485 | static PetscBool incall = PETSC_FALSE; | |
| 445 | 1485 | PetscViewerFormat format; | |
| 446 | |||
| 447 |
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1485 | PetscFunctionBegin; |
| 448 |
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1485 | if (incall) PetscFunctionReturn(PETSC_SUCCESS); |
| 449 | 1485 | incall = PETSC_TRUE; | |
| 450 |
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1485 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)nep),((PetscObject)nep)->options,((PetscObject)nep)->prefix,"-nep_error_absolute",&viewer,&format,&flg)); |
| 451 |
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1485 | if (flg) { |
| 452 |
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10 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 453 |
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10 | PetscCall(NEPErrorView(nep,NEP_ERROR_ABSOLUTE,viewer)); |
| 454 |
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10 | PetscCall(PetscViewerPopFormat(viewer)); |
| 455 |
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10 | PetscCall(PetscViewerDestroy(&viewer)); |
| 456 | } | ||
| 457 |
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1485 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)nep),((PetscObject)nep)->options,((PetscObject)nep)->prefix,"-nep_error_relative",&viewer,&format,&flg)); |
| 458 |
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1485 | if (flg) { |
| 459 |
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10 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 460 |
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10 | PetscCall(NEPErrorView(nep,NEP_ERROR_RELATIVE,viewer)); |
| 461 |
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10 | PetscCall(PetscViewerPopFormat(viewer)); |
| 462 |
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10 | PetscCall(PetscViewerDestroy(&viewer)); |
| 463 | } | ||
| 464 |
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1485 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)nep),((PetscObject)nep)->options,((PetscObject)nep)->prefix,"-nep_error_backward",&viewer,&format,&flg)); |
| 465 |
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1485 | if (flg) { |
| 466 |
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10 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 467 |
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10 | PetscCall(NEPErrorView(nep,NEP_ERROR_BACKWARD,viewer)); |
| 468 |
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10 | PetscCall(PetscViewerPopFormat(viewer)); |
| 469 |
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10 | PetscCall(PetscViewerDestroy(&viewer)); |
| 470 | } | ||
| 471 | 1485 | incall = PETSC_FALSE; | |
| 472 |
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1485 | PetscFunctionReturn(PETSC_SUCCESS); |
| 473 | } | ||
| 474 | |||
| 475 | 16 | static PetscErrorCode NEPValuesView_DRAW(NEP nep,PetscViewer viewer) | |
| 476 | { | ||
| 477 | 16 | PetscDraw draw; | |
| 478 | 16 | PetscDrawSP drawsp; | |
| 479 | 16 | PetscReal re,im; | |
| 480 | 16 | PetscInt i,k; | |
| 481 | |||
| 482 |
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16 | PetscFunctionBegin; |
| 483 |
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16 | if (!nep->nconv) PetscFunctionReturn(PETSC_SUCCESS); |
| 484 |
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16 | PetscCall(PetscViewerDrawGetDraw(viewer,0,&draw)); |
| 485 |
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16 | PetscCall(PetscDrawSetTitle(draw,"Computed Eigenvalues")); |
| 486 |
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16 | PetscCall(PetscDrawSPCreate(draw,1,&drawsp)); |
| 487 |
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72 | for (i=0;i<nep->nconv;i++) { |
| 488 | 56 | k = nep->perm[i]; | |
| 489 | #if defined(PETSC_USE_COMPLEX) | ||
| 490 | 21 | re = PetscRealPart(nep->eigr[k]); | |
| 491 | 21 | im = PetscImaginaryPart(nep->eigr[k]); | |
| 492 | #else | ||
| 493 | 35 | re = nep->eigr[k]; | |
| 494 | 35 | im = nep->eigi[k]; | |
| 495 | #endif | ||
| 496 |
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56 | PetscCall(PetscDrawSPAddPoint(drawsp,&re,&im)); |
| 497 | } | ||
| 498 |
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16 | PetscCall(PetscDrawSPDraw(drawsp,PETSC_TRUE)); |
| 499 |
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16 | PetscCall(PetscDrawSPSave(drawsp)); |
| 500 |
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16 | PetscCall(PetscDrawSPDestroy(&drawsp)); |
| 501 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 502 | } | ||
| 503 | |||
| 504 | 10 | static PetscErrorCode NEPValuesView_BINARY(NEP nep,PetscViewer viewer) | |
| 505 | { | ||
| 506 | #if defined(PETSC_HAVE_COMPLEX) | ||
| 507 | 10 | PetscInt i,k; | |
| 508 | 10 | PetscComplex *ev; | |
| 509 | #endif | ||
| 510 | |||
| 511 |
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10 | PetscFunctionBegin; |
| 512 | #if defined(PETSC_HAVE_COMPLEX) | ||
| 513 |
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10 | PetscCall(PetscMalloc1(nep->nconv,&ev)); |
| 514 |
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50 | for (i=0;i<nep->nconv;i++) { |
| 515 | 40 | k = nep->perm[i]; | |
| 516 | #if defined(PETSC_USE_COMPLEX) | ||
| 517 | 20 | ev[i] = nep->eigr[k]; | |
| 518 | #else | ||
| 519 | 20 | ev[i] = PetscCMPLX(nep->eigr[k],nep->eigi[k]); | |
| 520 | #endif | ||
| 521 | } | ||
| 522 |
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10 | PetscCall(PetscViewerBinaryWrite(viewer,ev,nep->nconv,PETSC_COMPLEX)); |
| 523 |
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10 | PetscCall(PetscFree(ev)); |
| 524 | #endif | ||
| 525 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 526 | } | ||
| 527 | |||
| 528 | #if defined(PETSC_HAVE_HDF5) | ||
| 529 | static PetscErrorCode NEPValuesView_HDF5(NEP nep,PetscViewer viewer) | ||
| 530 | { | ||
| 531 | PetscInt i,k,n,N; | ||
| 532 | PetscMPIInt rank; | ||
| 533 | Vec v; | ||
| 534 | char vname[30]; | ||
| 535 | const char *ename; | ||
| 536 | |||
| 537 | PetscFunctionBegin; | ||
| 538 | PetscCallMPI(MPI_Comm_rank(PetscObjectComm((PetscObject)nep),&rank)); | ||
| 539 | N = nep->nconv; | ||
| 540 | n = rank? 0: N; | ||
| 541 | /* create a vector containing the eigenvalues */ | ||
| 542 | PetscCall(VecCreateMPI(PetscObjectComm((PetscObject)nep),n,N,&v)); | ||
| 543 | PetscCall(PetscObjectGetName((PetscObject)nep,&ename)); | ||
| 544 | PetscCall(PetscSNPrintf(vname,sizeof(vname),"eigr_%s",ename)); | ||
| 545 | PetscCall(PetscObjectSetName((PetscObject)v,vname)); | ||
| 546 | if (!rank) { | ||
| 547 | for (i=0;i<nep->nconv;i++) { | ||
| 548 | k = nep->perm[i]; | ||
| 549 | PetscCall(VecSetValue(v,i,nep->eigr[k],INSERT_VALUES)); | ||
| 550 | } | ||
| 551 | } | ||
| 552 | PetscCall(VecAssemblyBegin(v)); | ||
| 553 | PetscCall(VecAssemblyEnd(v)); | ||
| 554 | PetscCall(VecView(v,viewer)); | ||
| 555 | #if !defined(PETSC_USE_COMPLEX) | ||
| 556 | /* in real scalars write the imaginary part as a separate vector */ | ||
| 557 | PetscCall(PetscSNPrintf(vname,sizeof(vname),"eigi_%s",ename)); | ||
| 558 | PetscCall(PetscObjectSetName((PetscObject)v,vname)); | ||
| 559 | if (!rank) { | ||
| 560 | for (i=0;i<nep->nconv;i++) { | ||
| 561 | k = nep->perm[i]; | ||
| 562 | PetscCall(VecSetValue(v,i,nep->eigi[k],INSERT_VALUES)); | ||
| 563 | } | ||
| 564 | } | ||
| 565 | PetscCall(VecAssemblyBegin(v)); | ||
| 566 | PetscCall(VecAssemblyEnd(v)); | ||
| 567 | PetscCall(VecView(v,viewer)); | ||
| 568 | #endif | ||
| 569 | PetscCall(VecDestroy(&v)); | ||
| 570 | PetscFunctionReturn(PETSC_SUCCESS); | ||
| 571 | } | ||
| 572 | #endif | ||
| 573 | |||
| 574 | 10 | static PetscErrorCode NEPValuesView_ASCII(NEP nep,PetscViewer viewer) | |
| 575 | { | ||
| 576 | 10 | PetscInt i,k; | |
| 577 | |||
| 578 |
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10 | PetscFunctionBegin; |
| 579 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"Eigenvalues = \n")); |
| 580 |
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20 | for (i=0;i<nep->nconv;i++) { |
| 581 | 10 | k = nep->perm[i]; | |
| 582 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer," ")); |
| 583 |
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10 | PetscCall(SlepcPrintEigenvalueASCII(viewer,nep->eigr[k],nep->eigi[k])); |
| 584 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n")); |
| 585 | } | ||
| 586 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n")); |
| 587 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 588 | } | ||
| 589 | |||
| 590 | 10 | static PetscErrorCode NEPValuesView_MATLAB(NEP nep,PetscViewer viewer) | |
| 591 | { | ||
| 592 | 10 | PetscInt i,k; | |
| 593 | 10 | PetscReal re,im; | |
| 594 | 10 | const char *name; | |
| 595 | |||
| 596 |
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10 | PetscFunctionBegin; |
| 597 |
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10 | PetscCall(PetscObjectGetName((PetscObject)nep,&name)); |
| 598 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"Lambda_%s = [\n",name)); |
| 599 |
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20 | for (i=0;i<nep->nconv;i++) { |
| 600 | 10 | k = nep->perm[i]; | |
| 601 | #if defined(PETSC_USE_COMPLEX) | ||
| 602 | 5 | re = PetscRealPart(nep->eigr[k]); | |
| 603 | 5 | im = PetscImaginaryPart(nep->eigr[k]); | |
| 604 | #else | ||
| 605 | 5 | re = nep->eigr[k]; | |
| 606 | 5 | im = nep->eigi[k]; | |
| 607 | #endif | ||
| 608 |
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10 | if (im!=0.0) PetscCall(PetscViewerASCIIPrintf(viewer,"%18.16e%+18.16ei\n",(double)re,(double)im)); |
| 609 |
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10 | else PetscCall(PetscViewerASCIIPrintf(viewer,"%18.16e\n",(double)re)); |
| 610 | } | ||
| 611 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"];\n")); |
| 612 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 613 | } | ||
| 614 | |||
| 615 | /*@ | ||
| 616 | NEPValuesView - Displays the computed eigenvalues in a viewer. | ||
| 617 | |||
| 618 | Collective | ||
| 619 | |||
| 620 | Input Parameters: | ||
| 621 | + nep - the nonlinear eigensolver context | ||
| 622 | - viewer - the viewer | ||
| 623 | |||
| 624 | Options Database Key: | ||
| 625 | . -nep_view_values - print computed eigenvalues | ||
| 626 | |||
| 627 | Level: intermediate | ||
| 628 | |||
| 629 | .seealso: NEPSolve(), NEPVectorsView(), NEPErrorView() | ||
| 630 | @*/ | ||
| 631 | 46 | PetscErrorCode NEPValuesView(NEP nep,PetscViewer viewer) | |
| 632 | { | ||
| 633 | 46 | PetscBool isascii,isdraw,isbinary; | |
| 634 | 46 | PetscViewerFormat format; | |
| 635 | #if defined(PETSC_HAVE_HDF5) | ||
| 636 | PetscBool ishdf5; | ||
| 637 | #endif | ||
| 638 | |||
| 639 |
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46 | PetscFunctionBegin; |
| 640 |
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46 | PetscValidHeaderSpecific(nep,NEP_CLASSID,1); |
| 641 |
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46 | if (!viewer) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)nep),&viewer)); |
| 642 |
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46 | PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); |
| 643 |
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46 | PetscCheckSameComm(nep,1,viewer,2); |
| 644 |
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46 | NEPCheckSolved(nep,1); |
| 645 |
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46 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERDRAW,&isdraw)); |
| 646 |
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46 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERBINARY,&isbinary)); |
| 647 | #if defined(PETSC_HAVE_HDF5) | ||
| 648 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERHDF5,&ishdf5)); | ||
| 649 | #endif | ||
| 650 |
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46 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); |
| 651 |
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46 | if (isdraw) PetscCall(NEPValuesView_DRAW(nep,viewer)); |
| 652 |
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30 | else if (isbinary) PetscCall(NEPValuesView_BINARY(nep,viewer)); |
| 653 | #if defined(PETSC_HAVE_HDF5) | ||
| 654 | else if (ishdf5) PetscCall(NEPValuesView_HDF5(nep,viewer)); | ||
| 655 | #endif | ||
| 656 |
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20 | else if (isascii) { |
| 657 |
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20 | PetscCall(PetscViewerGetFormat(viewer,&format)); |
| 658 |
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20 | switch (format) { |
| 659 | 10 | case PETSC_VIEWER_DEFAULT: | |
| 660 | case PETSC_VIEWER_ASCII_INFO: | ||
| 661 | case PETSC_VIEWER_ASCII_INFO_DETAIL: | ||
| 662 |
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10 | PetscCall(NEPValuesView_ASCII(nep,viewer)); |
| 663 | break; | ||
| 664 | 10 | case PETSC_VIEWER_ASCII_MATLAB: | |
| 665 |
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10 | PetscCall(NEPValuesView_MATLAB(nep,viewer)); |
| 666 | break; | ||
| 667 | ✗ | default: | |
| 668 | ✗ | PetscCall(PetscInfo(nep,"Unsupported viewer format %s\n",PetscViewerFormats[format])); | |
| 669 | } | ||
| 670 | } | ||
| 671 |
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8 | PetscFunctionReturn(PETSC_SUCCESS); |
| 672 | } | ||
| 673 | |||
| 674 | /*@ | ||
| 675 | NEPValuesViewFromOptions - Processes command line options to determine if/how | ||
| 676 | the computed eigenvalues are to be viewed. | ||
| 677 | |||
| 678 | Collective | ||
| 679 | |||
| 680 | Input Parameter: | ||
| 681 | . nep - the nonlinear eigensolver context | ||
| 682 | |||
| 683 | Level: developer | ||
| 684 | |||
| 685 | .seealso: NEPValuesView() | ||
| 686 | @*/ | ||
| 687 | 1485 | PetscErrorCode NEPValuesViewFromOptions(NEP nep) | |
| 688 | { | ||
| 689 | 1485 | PetscViewer viewer; | |
| 690 | 1485 | PetscBool flg; | |
| 691 | 1485 | static PetscBool incall = PETSC_FALSE; | |
| 692 | 1485 | PetscViewerFormat format; | |
| 693 | |||
| 694 |
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1485 | PetscFunctionBegin; |
| 695 |
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1485 | if (incall) PetscFunctionReturn(PETSC_SUCCESS); |
| 696 | 1485 | incall = PETSC_TRUE; | |
| 697 |
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1485 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)nep),((PetscObject)nep)->options,((PetscObject)nep)->prefix,"-nep_view_values",&viewer,&format,&flg)); |
| 698 |
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1485 | if (flg) { |
| 699 |
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46 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 700 |
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46 | PetscCall(NEPValuesView(nep,viewer)); |
| 701 |
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46 | PetscCall(PetscViewerPopFormat(viewer)); |
| 702 |
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46 | PetscCall(PetscViewerDestroy(&viewer)); |
| 703 | } | ||
| 704 | 1485 | incall = PETSC_FALSE; | |
| 705 |
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1485 | PetscFunctionReturn(PETSC_SUCCESS); |
| 706 | } | ||
| 707 | |||
| 708 | /*@ | ||
| 709 | NEPVectorsView - Outputs computed eigenvectors to a viewer. | ||
| 710 | |||
| 711 | Collective | ||
| 712 | |||
| 713 | Input Parameters: | ||
| 714 | + nep - the nonlinear eigensolver context | ||
| 715 | - viewer - the viewer | ||
| 716 | |||
| 717 | Options Database Key: | ||
| 718 | . -nep_view_vectors - output eigenvectors. | ||
| 719 | |||
| 720 | Notes: | ||
| 721 | If PETSc was configured with real scalars, complex conjugate eigenvectors | ||
| 722 | will be viewed as two separate real vectors, one containing the real part | ||
| 723 | and another one containing the imaginary part. | ||
| 724 | |||
| 725 | If left eigenvectors were computed with a two-sided eigensolver, the right | ||
| 726 | and left eigenvectors are interleaved, that is, the vectors are output in | ||
| 727 | the following order X0, Y0, X1, Y1, X2, Y2, ... | ||
| 728 | |||
| 729 | Level: intermediate | ||
| 730 | |||
| 731 | .seealso: NEPSolve(), NEPValuesView(), NEPErrorView() | ||
| 732 | @*/ | ||
| 733 | 30 | PetscErrorCode NEPVectorsView(NEP nep,PetscViewer viewer) | |
| 734 | { | ||
| 735 | 30 | PetscInt i,k; | |
| 736 | 30 | Vec xr,xi=NULL; | |
| 737 | |||
| 738 |
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30 | PetscFunctionBegin; |
| 739 |
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30 | PetscValidHeaderSpecific(nep,NEP_CLASSID,1); |
| 740 |
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30 | if (!viewer) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)nep),&viewer)); |
| 741 |
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30 | PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); |
| 742 |
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30 | PetscCheckSameComm(nep,1,viewer,2); |
| 743 |
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30 | NEPCheckSolved(nep,1); |
| 744 |
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30 | if (nep->nconv) { |
| 745 |
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30 | PetscCall(NEPComputeVectors(nep)); |
| 746 |
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30 | PetscCall(BVCreateVec(nep->V,&xr)); |
| 747 | #if !defined(PETSC_USE_COMPLEX) | ||
| 748 |
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15 | PetscCall(BVCreateVec(nep->V,&xi)); |
| 749 | #endif | ||
| 750 |
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60 | for (i=0;i<nep->nconv;i++) { |
| 751 | 30 | k = nep->perm[i]; | |
| 752 |
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30 | PetscCall(BV_GetEigenvector(nep->V,k,nep->eigi[k],xr,xi)); |
| 753 |
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30 | PetscCall(SlepcViewEigenvector(viewer,xr,xi,"X",i,(PetscObject)nep)); |
| 754 |
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30 | if (nep->twosided) { |
| 755 |
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10 | PetscCall(BV_GetEigenvector(nep->W,k,nep->eigi[k],xr,xi)); |
| 756 |
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30 | PetscCall(SlepcViewEigenvector(viewer,xr,xi,"Y",i,(PetscObject)nep)); |
| 757 | } | ||
| 758 | } | ||
| 759 |
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30 | PetscCall(VecDestroy(&xr)); |
| 760 | #if !defined(PETSC_USE_COMPLEX) | ||
| 761 |
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15 | PetscCall(VecDestroy(&xi)); |
| 762 | #endif | ||
| 763 | } | ||
| 764 |
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6 | PetscFunctionReturn(PETSC_SUCCESS); |
| 765 | } | ||
| 766 | |||
| 767 | /*@ | ||
| 768 | NEPVectorsViewFromOptions - Processes command line options to determine if/how | ||
| 769 | the computed eigenvectors are to be viewed. | ||
| 770 | |||
| 771 | Collective | ||
| 772 | |||
| 773 | Input Parameter: | ||
| 774 | . nep - the nonlinear eigensolver context | ||
| 775 | |||
| 776 | Level: developer | ||
| 777 | |||
| 778 | .seealso: NEPVectorsView() | ||
| 779 | @*/ | ||
| 780 | 1485 | PetscErrorCode NEPVectorsViewFromOptions(NEP nep) | |
| 781 | { | ||
| 782 | 1485 | PetscViewer viewer; | |
| 783 | 1485 | PetscBool flg = PETSC_FALSE; | |
| 784 | 1485 | static PetscBool incall = PETSC_FALSE; | |
| 785 | 1485 | PetscViewerFormat format; | |
| 786 | |||
| 787 |
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1485 | PetscFunctionBegin; |
| 788 |
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1485 | if (incall) PetscFunctionReturn(PETSC_SUCCESS); |
| 789 | 1485 | incall = PETSC_TRUE; | |
| 790 |
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1485 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)nep),((PetscObject)nep)->options,((PetscObject)nep)->prefix,"-nep_view_vectors",&viewer,&format,&flg)); |
| 791 |
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1485 | if (flg) { |
| 792 |
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30 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 793 |
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30 | PetscCall(NEPVectorsView(nep,viewer)); |
| 794 |
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30 | PetscCall(PetscViewerPopFormat(viewer)); |
| 795 |
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30 | PetscCall(PetscViewerDestroy(&viewer)); |
| 796 | } | ||
| 797 | 1485 | incall = PETSC_FALSE; | |
| 798 |
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1485 | PetscFunctionReturn(PETSC_SUCCESS); |
| 799 | } | ||
| 800 |