| 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 | EPS routines related to various viewers | ||
| 12 | */ | ||
| 13 | |||
| 14 | #include <slepc/private/epsimpl.h> /*I "slepceps.h" I*/ | ||
| 15 | #include <slepc/private/bvimpl.h> | ||
| 16 | #include <petscdraw.h> | ||
| 17 | |||
| 18 | /*@ | ||
| 19 | EPSView - Prints the `EPS` data structure. | ||
| 20 | |||
| 21 | Collective | ||
| 22 | |||
| 23 | Input Parameters: | ||
| 24 | + eps - the linear eigensolver context | ||
| 25 | - viewer - optional visualization context | ||
| 26 | |||
| 27 | Options Database Key: | ||
| 28 | . -eps_view - calls `EPSView()` at end of `EPSSolve()` | ||
| 29 | |||
| 30 | Notes: | ||
| 31 | The available visualization contexts include | ||
| 32 | + `PETSC_VIEWER_STDOUT_SELF` - standard output (default) | ||
| 33 | - `PETSC_VIEWER_STDOUT_WORLD` - synchronized standard output where only the | ||
| 34 | first process opens the file; all other processes send their data to the | ||
| 35 | first one to print | ||
| 36 | |||
| 37 | The user can open an alternative visualization context with `PetscViewerASCIIOpen()` | ||
| 38 | to output to a specified file. | ||
| 39 | |||
| 40 | Level: beginner | ||
| 41 | |||
| 42 | .seealso: [](ch:eps), `EPSCreate()`, `EPSViewFromOptions()`, `STView()` | ||
| 43 | @*/ | ||
| 44 | 79 | PetscErrorCode EPSView(EPS eps,PetscViewer viewer) | |
| 45 | { | ||
| 46 | 79 | const char *type=NULL,*extr=NULL,*bal=NULL; | |
| 47 | 79 | char str[50]; | |
| 48 | 79 | PetscBool isascii,isexternal,istrivial,isstruct=PETSC_FALSE,reduced=PETSC_FALSE,flg; | |
| 49 | 79 | Mat A; | |
| 50 | |||
| 51 |
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79 | PetscFunctionBegin; |
| 52 |
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79 | PetscValidHeaderSpecific(eps,EPS_CLASSID,1); |
| 53 |
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79 | if (!viewer) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)eps),&viewer)); |
| 54 |
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79 | PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); |
| 55 |
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79 | PetscCheckSameComm(eps,1,viewer,2); |
| 56 | |||
| 57 |
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79 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); |
| 58 |
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79 | if (isascii) { |
| 59 |
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79 | PetscCall(PetscObjectPrintClassNamePrefixType((PetscObject)eps,viewer)); |
| 60 |
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79 | PetscCall(PetscViewerASCIIPushTab(viewer)); |
| 61 |
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79 | PetscTryTypeMethod(eps,view,viewer); |
| 62 |
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79 | PetscCall(PetscViewerASCIIPopTab(viewer)); |
| 63 |
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79 | if (eps->problem_type) { |
| 64 |
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79 | switch (eps->problem_type) { |
| 65 | 51 | case EPS_HEP: type = SLEPC_STRING_HERMITIAN " eigenvalue problem"; break; | |
| 66 | 6 | case EPS_GHEP: type = "generalized " SLEPC_STRING_HERMITIAN " eigenvalue problem"; break; | |
| 67 | 22 | case EPS_NHEP: type = "non-" SLEPC_STRING_HERMITIAN " eigenvalue problem"; break; | |
| 68 | ✗ | case EPS_GNHEP: type = "generalized non-" SLEPC_STRING_HERMITIAN " eigenvalue problem"; break; | |
| 69 | ✗ | case EPS_PGNHEP: type = "generalized non-" SLEPC_STRING_HERMITIAN " eigenvalue problem with " SLEPC_STRING_HERMITIAN " positive definite B"; break; | |
| 70 | ✗ | case EPS_GHIEP: type = "generalized " SLEPC_STRING_HERMITIAN "-indefinite eigenvalue problem"; break; | |
| 71 | ✗ | case EPS_BSE: type = "structured Bethe-Salpeter eigenvalue problem"; break; | |
| 72 | ✗ | case EPS_HAMILT: type = "structured Hamiltonian eigenvalue problem"; break; | |
| 73 | ✗ | case EPS_LREP: type = "structured Linear Response eigenvalue problem"; break; | |
| 74 | } | ||
| 75 | } else type = "not yet set"; | ||
| 76 |
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79 | PetscCall(PetscViewerASCIIPrintf(viewer," problem type: %s\n",type)); |
| 77 |
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79 | PetscCall(EPSGetOperators(eps,&A,NULL)); |
| 78 |
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79 | if (A) PetscCall(SlepcCheckMatStruct(A,0,&isstruct)); |
| 79 |
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79 | if (isstruct) { |
| 80 | ✗ | PetscCall(SlepcCheckMatStruct(A,SLEPC_MAT_STRUCT_BSE,&flg)); | |
| 81 | ✗ | if (flg) PetscCall(PetscViewerASCIIPrintf(viewer," matrix A has a Bethe-Salpeter structure\n")); | |
| 82 | ✗ | PetscCall(SlepcCheckMatStruct(A,SLEPC_MAT_STRUCT_HAMILT,&flg)); | |
| 83 | ✗ | if (flg) PetscCall(PetscViewerASCIIPrintf(viewer," matrix A has a Hamiltonian structure\n")); | |
| 84 | ✗ | PetscCall(SlepcCheckMatStruct(A,SLEPC_MAT_STRUCT_LREP,&flg)); | |
| 85 | ✗ | if (flg) { | |
| 86 | ✗ | PetscCall(SlepcCheckMatLREPReduced(A,&reduced)); | |
| 87 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," matrix A has a%s Linear Response structure\n",reduced?" reduced":"")); | |
| 88 | } | ||
| 89 | } | ||
| 90 |
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79 | if (eps->extraction) { |
| 91 |
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20 | switch (eps->extraction) { |
| 92 | ✗ | case EPS_RITZ: extr = "Rayleigh-Ritz"; break; | |
| 93 | 20 | case EPS_HARMONIC: extr = "harmonic Ritz"; break; | |
| 94 | ✗ | case EPS_HARMONIC_RELATIVE: extr = "relative harmonic Ritz"; break; | |
| 95 | ✗ | case EPS_HARMONIC_RIGHT: extr = "right harmonic Ritz"; break; | |
| 96 | ✗ | case EPS_HARMONIC_LARGEST: extr = "largest harmonic Ritz"; break; | |
| 97 | ✗ | case EPS_REFINED: extr = "refined Ritz"; break; | |
| 98 | ✗ | case EPS_REFINED_HARMONIC: extr = "refined harmonic Ritz"; break; | |
| 99 | } | ||
| 100 |
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20 | PetscCall(PetscViewerASCIIPrintf(viewer," extraction type: %s\n",extr)); |
| 101 | } | ||
| 102 |
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79 | if (!eps->ishermitian && eps->balance!=EPS_BALANCE_NONE) { |
| 103 |
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10 | switch (eps->balance) { |
| 104 | case EPS_BALANCE_NONE: break; | ||
| 105 | 10 | case EPS_BALANCE_ONESIDE: bal = "one-sided Krylov"; break; | |
| 106 | ✗ | case EPS_BALANCE_TWOSIDE: bal = "two-sided Krylov"; break; | |
| 107 | ✗ | case EPS_BALANCE_USER: bal = "user-defined matrix"; break; | |
| 108 | } | ||
| 109 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer," balancing enabled: %s",bal)); |
| 110 |
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10 | PetscCall(PetscViewerASCIIUseTabs(viewer,PETSC_FALSE)); |
| 111 |
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10 | if (eps->balance==EPS_BALANCE_ONESIDE || eps->balance==EPS_BALANCE_TWOSIDE) PetscCall(PetscViewerASCIIPrintf(viewer,", with its=%" PetscInt_FMT,eps->balance_its)); |
| 112 |
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10 | if (eps->balance==EPS_BALANCE_TWOSIDE && eps->balance_cutoff!=0.0) PetscCall(PetscViewerASCIIPrintf(viewer," and cutoff=%g",(double)eps->balance_cutoff)); |
| 113 |
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10 | PetscCall(PetscViewerASCIIUseTabs(viewer,PETSC_TRUE)); |
| 114 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n")); |
| 115 | } | ||
| 116 |
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79 | PetscCall(PetscViewerASCIIPrintf(viewer," selected portion of the spectrum: ")); |
| 117 |
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79 | PetscCall(SlepcSNPrintfScalar(str,sizeof(str),eps->target,PETSC_FALSE)); |
| 118 |
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79 | PetscCall(PetscViewerASCIIUseTabs(viewer,PETSC_FALSE)); |
| 119 |
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79 | if (!eps->which) PetscCall(PetscViewerASCIIPrintf(viewer,"not yet set\n")); |
| 120 |
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79 | else switch (eps->which) { |
| 121 | ✗ | case EPS_WHICH_USER: | |
| 122 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"user defined\n")); | |
| 123 | break; | ||
| 124 | 28 | case EPS_TARGET_MAGNITUDE: | |
| 125 |
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28 | PetscCall(PetscViewerASCIIPrintf(viewer,"closest to target: %s (in magnitude)\n",str)); |
| 126 | break; | ||
| 127 | ✗ | case EPS_TARGET_REAL: | |
| 128 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"closest to target: %s (along the real axis)\n",str)); | |
| 129 | break; | ||
| 130 | ✗ | case EPS_TARGET_IMAGINARY: | |
| 131 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"closest to target: %s (along the imaginary axis)\n",str)); | |
| 132 | break; | ||
| 133 | 20 | case EPS_LARGEST_MAGNITUDE: | |
| 134 |
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20 | PetscCall(PetscViewerASCIIPrintf(viewer,"largest eigenvalues in magnitude\n")); |
| 135 | break; | ||
| 136 | ✗ | case EPS_SMALLEST_MAGNITUDE: | |
| 137 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"smallest eigenvalues in magnitude\n")); | |
| 138 | break; | ||
| 139 | 22 | case EPS_LARGEST_REAL: | |
| 140 |
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22 | PetscCall(PetscViewerASCIIPrintf(viewer,"largest real parts\n")); |
| 141 | break; | ||
| 142 | 6 | case EPS_SMALLEST_REAL: | |
| 143 |
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6 | PetscCall(PetscViewerASCIIPrintf(viewer,"smallest real parts\n")); |
| 144 | break; | ||
| 145 | ✗ | case EPS_LARGEST_IMAGINARY: | |
| 146 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"largest imaginary parts\n")); | |
| 147 | break; | ||
| 148 | ✗ | case EPS_SMALLEST_IMAGINARY: | |
| 149 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"smallest imaginary parts\n")); | |
| 150 | break; | ||
| 151 | 3 | case EPS_ALL: | |
| 152 |
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3 | if (eps->inta || eps->intb) PetscCall(PetscViewerASCIIPrintf(viewer,"all eigenvalues in interval [%g,%g]\n",(double)eps->inta,(double)eps->intb)); |
| 153 | ✗ | else PetscCall(PetscViewerASCIIPrintf(viewer,"all eigenvalues in the region\n")); | |
| 154 | break; | ||
| 155 | } | ||
| 156 |
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79 | PetscCall(PetscViewerASCIIUseTabs(viewer,PETSC_TRUE)); |
| 157 |
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79 | if (eps->twosided && eps->problem_type!=EPS_HEP && eps->problem_type!=EPS_GHEP) PetscCall(PetscViewerASCIIPrintf(viewer," using two-sided variant (for left eigenvectors)\n")); |
| 158 |
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79 | if (eps->purify) PetscCall(PetscViewerASCIIPrintf(viewer," postprocessing eigenvectors with purification\n")); |
| 159 |
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79 | if (eps->trueres) PetscCall(PetscViewerASCIIPrintf(viewer," computing true residuals explicitly\n")); |
| 160 |
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79 | if (eps->trackall) PetscCall(PetscViewerASCIIPrintf(viewer," computing all residuals (for tracking convergence)\n")); |
| 161 |
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79 | if (eps->stop==EPS_STOP_THRESHOLD) PetscCall(PetscViewerASCIIPrintf(viewer," computing eigenvalues %s the threshold: %g%s\n",(eps->which==EPS_SMALLEST_MAGNITUDE||eps->which==EPS_SMALLEST_REAL)?"below":"above",(double)eps->thres,eps->threlative?" (relative)":"")); |
| 162 |
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79 | if (eps->nev) PetscCall(PetscViewerASCIIPrintf(viewer," number of eigenvalues (nev): %" PetscInt_FMT "\n",eps->nev)); |
| 163 |
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79 | PetscCall(PetscViewerASCIIPrintf(viewer," number of column vectors (ncv): %" PetscInt_FMT "\n",eps->ncv)); |
| 164 |
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79 | PetscCall(PetscViewerASCIIPrintf(viewer," maximum dimension of projected problem (mpd): %" PetscInt_FMT "\n",eps->mpd)); |
| 165 |
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79 | PetscCall(PetscViewerASCIIPrintf(viewer," maximum number of iterations: %" PetscInt_FMT "\n",eps->max_it)); |
| 166 |
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79 | PetscCall(PetscViewerASCIIPrintf(viewer," tolerance: %g\n",(double)eps->tol)); |
| 167 |
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79 | PetscCall(PetscViewerASCIIPrintf(viewer," convergence test: ")); |
| 168 |
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79 | PetscCall(PetscViewerASCIIUseTabs(viewer,PETSC_FALSE)); |
| 169 |
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79 | switch (eps->conv) { |
| 170 | ✗ | case EPS_CONV_ABS: | |
| 171 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"absolute\n"));break; | |
| 172 | 59 | case EPS_CONV_REL: | |
| 173 |
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59 | PetscCall(PetscViewerASCIIPrintf(viewer,"relative to the eigenvalue\n"));break; |
| 174 | 20 | case EPS_CONV_NORM: | |
| 175 |
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20 | PetscCall(PetscViewerASCIIPrintf(viewer,"relative to the eigenvalue and matrix norms\n")); |
| 176 |
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20 | PetscCall(PetscViewerASCIIPrintf(viewer," computed matrix norms: norm(A)=%g",(double)eps->nrma)); |
| 177 |
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20 | if (eps->isgeneralized) PetscCall(PetscViewerASCIIPrintf(viewer,", norm(B)=%g",(double)eps->nrmb)); |
| 178 |
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20 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n")); |
| 179 | break; | ||
| 180 | ✗ | case EPS_CONV_USER: | |
| 181 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer,"user-defined\n"));break; | |
| 182 | } | ||
| 183 |
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79 | PetscCall(PetscViewerASCIIUseTabs(viewer,PETSC_TRUE)); |
| 184 |
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79 | if (eps->nini) PetscCall(PetscViewerASCIIPrintf(viewer," dimension of user-provided initial space: %" PetscInt_FMT "\n",PetscAbs(eps->nini))); |
| 185 |
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79 | if (eps->ninil) PetscCall(PetscViewerASCIIPrintf(viewer," dimension of user-provided left initial space: %" PetscInt_FMT "\n",PetscAbs(eps->ninil))); |
| 186 |
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79 | if (eps->nds) PetscCall(PetscViewerASCIIPrintf(viewer," dimension of user-provided deflation space: %" PetscInt_FMT "\n",PetscAbs(eps->nds))); |
| 187 | ✗ | } else PetscTryTypeMethod(eps,view,viewer); | |
| 188 |
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79 | PetscCall(PetscObjectTypeCompareAny((PetscObject)eps,&isexternal,EPSARPACK,EPSBLOPEX,EPSELEMENTAL,EPSFEAST,EPSPRIMME,EPSSCALAPACK,EPSELPA,EPSEVSL,"")); |
| 189 |
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79 | if (!isexternal) { |
| 190 |
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70 | PetscCall(PetscViewerPushFormat(viewer,PETSC_VIEWER_ASCII_INFO)); |
| 191 |
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70 | if (!eps->V) PetscCall(EPSGetBV(eps,&eps->V)); |
| 192 |
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70 | PetscCall(BVView(eps->V,viewer)); |
| 193 |
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70 | if (eps->rg) { |
| 194 |
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70 | PetscCall(RGIsTrivial(eps->rg,&istrivial)); |
| 195 |
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70 | if (!istrivial) PetscCall(RGView(eps->rg,viewer)); |
| 196 | } | ||
| 197 |
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70 | if (eps->useds) { |
| 198 |
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70 | if (!eps->ds) PetscCall(EPSGetDS(eps,&eps->ds)); |
| 199 |
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70 | PetscCall(DSView(eps->ds,viewer)); |
| 200 | } | ||
| 201 |
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70 | PetscCall(PetscViewerPopFormat(viewer)); |
| 202 | } | ||
| 203 |
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79 | if (!eps->st) PetscCall(EPSGetST(eps,&eps->st)); |
| 204 |
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79 | PetscCall(STView(eps->st,viewer)); |
| 205 |
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17 | PetscFunctionReturn(PETSC_SUCCESS); |
| 206 | } | ||
| 207 | |||
| 208 | /*@ | ||
| 209 | EPSViewFromOptions - View (print) an `EPS` object based on values in the options database. | ||
| 210 | |||
| 211 | Collective | ||
| 212 | |||
| 213 | Input Parameters: | ||
| 214 | + eps - the linear eigensolver context | ||
| 215 | . obj - optional object that provides the options prefix used to query the options database | ||
| 216 | - name - command line option | ||
| 217 | |||
| 218 | Level: intermediate | ||
| 219 | |||
| 220 | .seealso: [](ch:eps), `EPSView()`, `EPSCreate()`, `PetscObjectViewFromOptions()` | ||
| 221 | @*/ | ||
| 222 | 19944 | PetscErrorCode EPSViewFromOptions(EPS eps,PetscObject obj,const char name[]) | |
| 223 | { | ||
| 224 |
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19944 | PetscFunctionBegin; |
| 225 |
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19944 | PetscValidHeaderSpecific(eps,EPS_CLASSID,1); |
| 226 |
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19944 | PetscCall(PetscObjectViewFromOptions((PetscObject)eps,obj,name)); |
| 227 |
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3840 | PetscFunctionReturn(PETSC_SUCCESS); |
| 228 | } | ||
| 229 | |||
| 230 | /*@ | ||
| 231 | EPSConvergedReasonView - Displays the reason an `EPS` solve converged or diverged. | ||
| 232 | |||
| 233 | Collective | ||
| 234 | |||
| 235 | Input Parameters: | ||
| 236 | + eps - the linear eigensolver context | ||
| 237 | - viewer - the viewer to display the reason | ||
| 238 | |||
| 239 | Options Database Key: | ||
| 240 | . -eps_converged_reason - print reason for convergence/divergence, and number of iterations | ||
| 241 | |||
| 242 | Notes: | ||
| 243 | Use `EPSConvergedReasonViewFromOptions()` to display the reason based on values | ||
| 244 | in the options database. | ||
| 245 | |||
| 246 | To change the format of the output call `PetscViewerPushFormat()` before this | ||
| 247 | call. Use `PETSC_VIEWER_DEFAULT` for the default, or `PETSC_VIEWER_FAILED` to only | ||
| 248 | display a reason if it fails. The latter can be set in the command line with | ||
| 249 | `-eps_converged_reason ::failed`. | ||
| 250 | |||
| 251 | Level: intermediate | ||
| 252 | |||
| 253 | .seealso: [](ch:eps), `EPSSetConvergenceTest()`, `EPSSetTolerances()`, `EPSGetIterationNumber()`, `EPSConvergedReasonViewFromOptions()` | ||
| 254 | @*/ | ||
| 255 | 20 | PetscErrorCode EPSConvergedReasonView(EPS eps,PetscViewer viewer) | |
| 256 | { | ||
| 257 | 20 | PetscBool isAscii; | |
| 258 | 20 | PetscViewerFormat format; | |
| 259 | 20 | PetscInt nconv; | |
| 260 | |||
| 261 |
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20 | PetscFunctionBegin; |
| 262 |
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20 | if (!viewer) viewer = PETSC_VIEWER_STDOUT_(PetscObjectComm((PetscObject)eps)); |
| 263 |
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20 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isAscii)); |
| 264 |
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20 | if (isAscii) { |
| 265 |
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20 | PetscCall(PetscViewerGetFormat(viewer,&format)); |
| 266 |
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20 | PetscCall(PetscViewerASCIIAddTab(viewer,((PetscObject)eps)->tablevel)); |
| 267 |
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20 | PetscCall(EPS_GetActualConverged(eps,&nconv)); |
| 268 |
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20 | if (eps->reason > 0 && format != PETSC_VIEWER_FAILED) PetscCall(PetscViewerASCIIPrintf(viewer,"%s Linear eigensolve converged (%" PetscInt_FMT " eigenpair%s) due to %s; iterations %" PetscInt_FMT "\n",((PetscObject)eps)->prefix?((PetscObject)eps)->prefix:"",nconv,(nconv>1)?"s":"",EPSConvergedReasons[eps->reason],eps->its)); |
| 269 | ✗ | else if (eps->reason <= 0) PetscCall(PetscViewerASCIIPrintf(viewer,"%s Linear eigensolve did not converge due to %s; iterations %" PetscInt_FMT "\n",((PetscObject)eps)->prefix?((PetscObject)eps)->prefix:"",EPSConvergedReasons[eps->reason],eps->its)); | |
| 270 |
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20 | PetscCall(PetscViewerASCIISubtractTab(viewer,((PetscObject)eps)->tablevel)); |
| 271 | } | ||
| 272 |
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4 | PetscFunctionReturn(PETSC_SUCCESS); |
| 273 | } | ||
| 274 | |||
| 275 | /*@ | ||
| 276 | EPSConvergedReasonViewFromOptions - Processes command line options to determine if/how | ||
| 277 | the `EPS` converged reason is to be viewed. | ||
| 278 | |||
| 279 | Collective | ||
| 280 | |||
| 281 | Input Parameter: | ||
| 282 | . eps - the linear eigensolver context | ||
| 283 | |||
| 284 | Level: intermediate | ||
| 285 | |||
| 286 | .seealso: [](ch:eps), `EPSConvergedReasonView()` | ||
| 287 | @*/ | ||
| 288 | 9972 | PetscErrorCode EPSConvergedReasonViewFromOptions(EPS eps) | |
| 289 | { | ||
| 290 | 9972 | PetscViewer viewer; | |
| 291 | 9972 | PetscBool flg; | |
| 292 | 9972 | static PetscBool incall = PETSC_FALSE; | |
| 293 | 9972 | PetscViewerFormat format; | |
| 294 | |||
| 295 |
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9972 | PetscFunctionBegin; |
| 296 |
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9972 | if (incall) PetscFunctionReturn(PETSC_SUCCESS); |
| 297 | 9972 | incall = PETSC_TRUE; | |
| 298 |
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9972 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)eps),((PetscObject)eps)->options,((PetscObject)eps)->prefix,"-eps_converged_reason",&viewer,&format,&flg)); |
| 299 |
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9972 | if (flg) { |
| 300 |
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10 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 301 |
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10 | PetscCall(EPSConvergedReasonView(eps,viewer)); |
| 302 |
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10 | PetscCall(PetscViewerPopFormat(viewer)); |
| 303 |
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10 | PetscCall(PetscViewerDestroy(&viewer)); |
| 304 | } | ||
| 305 | 9972 | incall = PETSC_FALSE; | |
| 306 |
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9972 | PetscFunctionReturn(PETSC_SUCCESS); |
| 307 | } | ||
| 308 | |||
| 309 | 5720 | static PetscErrorCode EPSErrorView_ASCII(EPS eps,EPSErrorType etype,PetscViewer viewer) | |
| 310 | { | ||
| 311 | 5720 | PetscReal error; | |
| 312 | 5720 | PetscScalar kr,ki; | |
| 313 | 5720 | PetscInt i,j,nvals,nconv; | |
| 314 | 5720 | PetscBool requestednev=PETSC_TRUE; /* user has specified nev */ | |
| 315 | |||
| 316 |
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5720 | PetscFunctionBegin; |
| 317 |
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5720 | PetscCall(EPS_GetActualConverged(eps,&nconv)); |
| 318 |
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5720 | if (eps->which==EPS_ALL) { |
| 319 | 689 | requestednev = PETSC_FALSE; | |
| 320 |
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689 | if (eps->stop==EPS_STOP_THRESHOLD && eps->nev>0) requestednev = PETSC_TRUE; |
| 321 |
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5031 | } else if (eps->stop==EPS_STOP_THRESHOLD && eps->nev==0) requestednev = PETSC_FALSE; |
| 322 | 5720 | nvals = requestednev? eps->nev: nconv; | |
| 323 | |||
| 324 |
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5720 | if (requestednev && nconv<nvals) { |
| 325 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," Problem: less than %" PetscInt_FMT " eigenvalues converged\n\n",eps->nev)); | |
| 326 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 327 | } | ||
| 328 |
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5720 | if (!requestednev && !nvals) { |
| 329 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," No eigenvalues have been found\n\n")); | |
| 330 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 331 | } | ||
| 332 |
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47878 | for (i=0;i<nvals;i++) { |
| 333 |
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42158 | PetscCall(EPSComputeError(eps,i,etype,&error)); |
| 334 |
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42158 | if (error>=5.0*eps->tol) { |
| 335 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," Problem: some of the first %" PetscInt_FMT " relative errors are higher than the tolerance\n\n",nvals)); | |
| 336 |
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8293 | PetscFunctionReturn(PETSC_SUCCESS); |
| 337 | } | ||
| 338 | } | ||
| 339 |
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5720 | if (!requestednev) PetscCall(PetscViewerASCIIPrintf(viewer," Found %" PetscInt_FMT " eigenvalues, all of them computed up to the required tolerance:",nvals)); |
| 340 |
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4941 | else PetscCall(PetscViewerASCIIPrintf(viewer," All requested eigenvalues computed up to the required tolerance:")); |
| 341 |
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13844 | for (i=0;i<=(nvals-1)/8;i++) { |
| 342 |
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8124 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n ")); |
| 343 |
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50282 | for (j=0;j<PetscMin(8,nvals-8*i);j++) { |
| 344 |
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42158 | PetscCall(EPSGetEigenvalue(eps,8*i+j,&kr,&ki)); |
| 345 |
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42158 | PetscCall(SlepcPrintEigenvalueASCII(viewer,kr,ki)); |
| 346 |
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42158 | if (8*i+j+1<nvals) PetscCall(PetscViewerASCIIPrintf(viewer,", ")); |
| 347 | } | ||
| 348 | } | ||
| 349 |
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5720 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n\n")); |
| 350 |
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1109 | PetscFunctionReturn(PETSC_SUCCESS); |
| 351 | } | ||
| 352 | |||
| 353 | 16 | static PetscErrorCode EPSErrorView_DETAIL(EPS eps,EPSErrorType etype,PetscViewer viewer) | |
| 354 | { | ||
| 355 | 16 | PetscReal error,re,im; | |
| 356 | 16 | PetscScalar kr,ki; | |
| 357 | 16 | PetscInt i,nconv; | |
| 358 | 16 | char ex[30],sep[]=" ---------------------- --------------------\n"; | |
| 359 | |||
| 360 |
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16 | PetscFunctionBegin; |
| 361 |
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16 | if (!eps->nconv) PetscFunctionReturn(PETSC_SUCCESS); |
| 362 |
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16 | switch (etype) { |
| 363 | ✗ | case EPS_ERROR_ABSOLUTE: | |
| 364 | ✗ | PetscCall(PetscSNPrintf(ex,sizeof(ex)," ||Ax-k%sx||",eps->isgeneralized?"B":"")); | |
| 365 | break; | ||
| 366 | 6 | case EPS_ERROR_RELATIVE: | |
| 367 |
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12 | PetscCall(PetscSNPrintf(ex,sizeof(ex),"||Ax-k%sx||/||kx||",eps->isgeneralized?"B":"")); |
| 368 | break; | ||
| 369 | 10 | case EPS_ERROR_BACKWARD: | |
| 370 |
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10 | PetscCall(PetscSNPrintf(ex,sizeof(ex)," eta(x,k)")); |
| 371 | break; | ||
| 372 | } | ||
| 373 |
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16 | PetscCall(PetscViewerASCIIPrintf(viewer,"%s k %s\n%s",sep,ex,sep)); |
| 374 |
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16 | PetscCall(EPS_GetActualConverged(eps,&nconv)); |
| 375 |
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106 | for (i=0;i<nconv;i++) { |
| 376 |
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90 | PetscCall(EPSGetEigenvalue(eps,i,&kr,&ki)); |
| 377 |
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90 | PetscCall(EPSComputeError(eps,i,etype,&error)); |
| 378 | #if defined(PETSC_USE_COMPLEX) | ||
| 379 | 45 | re = PetscRealPart(kr); | |
| 380 | 45 | im = PetscImaginaryPart(kr); | |
| 381 | #else | ||
| 382 | 45 | re = kr; | |
| 383 | 45 | im = ki; | |
| 384 | #endif | ||
| 385 |
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90 | if (im!=0.0) PetscCall(PetscViewerASCIIPrintf(viewer," % 9f%+9fi %12g\n",(double)re,(double)im,(double)error)); |
| 386 |
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90 | else PetscCall(PetscViewerASCIIPrintf(viewer," % 12f %12g\n",(double)re,(double)error)); |
| 387 | } | ||
| 388 |
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16 | PetscCall(PetscViewerASCIIPrintf(viewer,"%s",sep)); |
| 389 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 390 | } | ||
| 391 | |||
| 392 | 10 | static PetscErrorCode EPSErrorView_MATLAB(EPS eps,EPSErrorType etype,PetscViewer viewer) | |
| 393 | { | ||
| 394 | 10 | PetscReal error; | |
| 395 | 10 | PetscInt i,nconv; | |
| 396 | 10 | const char *name; | |
| 397 | |||
| 398 |
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10 | PetscFunctionBegin; |
| 399 |
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10 | PetscCall(PetscObjectGetName((PetscObject)eps,&name)); |
| 400 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"Error_%s = [\n",name)); |
| 401 |
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10 | PetscCall(EPS_GetActualConverged(eps,&nconv)); |
| 402 |
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70 | for (i=0;i<nconv;i++) { |
| 403 |
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60 | PetscCall(EPSComputeError(eps,i,etype,&error)); |
| 404 |
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60 | PetscCall(PetscViewerASCIIPrintf(viewer,"%18.16e\n",(double)error)); |
| 405 | } | ||
| 406 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"];\n")); |
| 407 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 408 | } | ||
| 409 | |||
| 410 | /*@ | ||
| 411 | EPSErrorView - Displays the errors associated with the computed solution | ||
| 412 | (as well as the eigenvalues). | ||
| 413 | |||
| 414 | Collective | ||
| 415 | |||
| 416 | Input Parameters: | ||
| 417 | + eps - the linear eigensolver context | ||
| 418 | . etype - error type | ||
| 419 | - viewer - optional visualization context | ||
| 420 | |||
| 421 | Options Database Keys: | ||
| 422 | + -eps_error_absolute - print absolute errors of each eigenpair | ||
| 423 | . -eps_error_relative - print relative errors of each eigenpair | ||
| 424 | - -eps_error_backward - print backward errors of each eigenpair | ||
| 425 | |||
| 426 | Notes: | ||
| 427 | By default, this function checks the error of all eigenpairs and prints | ||
| 428 | the eigenvalues if all of them are below the requested tolerance. | ||
| 429 | If the viewer has format `PETSC_VIEWER_ASCII_INFO_DETAIL` then a table with | ||
| 430 | eigenvalues and corresponding errors is printed. | ||
| 431 | |||
| 432 | All the command-line options listed above admit an optional argument | ||
| 433 | specifying the viewer type and options. For instance, use | ||
| 434 | `-eps_error_relative :myerr.m:ascii_matlab` to save the errors in a file | ||
| 435 | that can be executed in Matlab. | ||
| 436 | |||
| 437 | Level: intermediate | ||
| 438 | |||
| 439 | .seealso: [](ch:eps), `EPSSolve()`, `EPSValuesView()`, `EPSVectorsView()` | ||
| 440 | @*/ | ||
| 441 | 5746 | PetscErrorCode EPSErrorView(EPS eps,EPSErrorType etype,PetscViewer viewer) | |
| 442 | { | ||
| 443 | 5746 | PetscBool isascii; | |
| 444 | 5746 | PetscViewerFormat format; | |
| 445 | |||
| 446 |
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5746 | PetscFunctionBegin; |
| 447 |
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5746 | PetscValidHeaderSpecific(eps,EPS_CLASSID,1); |
| 448 |
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5746 | if (!viewer) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)eps),&viewer)); |
| 449 |
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5746 | PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,3); |
| 450 |
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5746 | PetscCheckSameComm(eps,1,viewer,3); |
| 451 |
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5746 | EPSCheckSolved(eps,1); |
| 452 |
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5746 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); |
| 453 |
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5746 | if (!isascii) PetscFunctionReturn(PETSC_SUCCESS); |
| 454 | |||
| 455 |
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5746 | PetscCall(PetscViewerGetFormat(viewer,&format)); |
| 456 |
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5746 | switch (format) { |
| 457 | 5720 | case PETSC_VIEWER_DEFAULT: | |
| 458 | case PETSC_VIEWER_ASCII_INFO: | ||
| 459 |
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5720 | PetscCall(EPSErrorView_ASCII(eps,etype,viewer)); |
| 460 | break; | ||
| 461 | 16 | case PETSC_VIEWER_ASCII_INFO_DETAIL: | |
| 462 |
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16 | PetscCall(EPSErrorView_DETAIL(eps,etype,viewer)); |
| 463 | break; | ||
| 464 | 10 | case PETSC_VIEWER_ASCII_MATLAB: | |
| 465 |
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10 | PetscCall(EPSErrorView_MATLAB(eps,etype,viewer)); |
| 466 | break; | ||
| 467 | ✗ | default: | |
| 468 | ✗ | PetscCall(PetscInfo(eps,"Unsupported viewer format %s\n",PetscViewerFormats[format])); | |
| 469 | } | ||
| 470 |
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1113 | PetscFunctionReturn(PETSC_SUCCESS); |
| 471 | } | ||
| 472 | |||
| 473 | /*@ | ||
| 474 | EPSErrorViewFromOptions - Processes command line options to determine if/how | ||
| 475 | the errors of the computed solution are to be viewed. | ||
| 476 | |||
| 477 | Collective | ||
| 478 | |||
| 479 | Input Parameter: | ||
| 480 | . eps - the linear eigensolver context | ||
| 481 | |||
| 482 | Level: developer | ||
| 483 | |||
| 484 | .seealso: [](ch:eps), `EPSErrorView()` | ||
| 485 | @*/ | ||
| 486 | 9972 | PetscErrorCode EPSErrorViewFromOptions(EPS eps) | |
| 487 | { | ||
| 488 | 9972 | PetscViewer viewer; | |
| 489 | 9972 | PetscBool flg; | |
| 490 | 9972 | static PetscBool incall = PETSC_FALSE; | |
| 491 | 9972 | PetscViewerFormat format; | |
| 492 | |||
| 493 |
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9972 | PetscFunctionBegin; |
| 494 |
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9972 | if (incall) PetscFunctionReturn(PETSC_SUCCESS); |
| 495 | 9972 | incall = PETSC_TRUE; | |
| 496 |
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9972 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)eps),((PetscObject)eps)->options,((PetscObject)eps)->prefix,"-eps_error_absolute",&viewer,&format,&flg)); |
| 497 |
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9972 | if (flg) { |
| 498 |
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10 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 499 |
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10 | PetscCall(EPSErrorView(eps,EPS_ERROR_ABSOLUTE,viewer)); |
| 500 |
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10 | PetscCall(PetscViewerPopFormat(viewer)); |
| 501 |
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10 | PetscCall(PetscViewerDestroy(&viewer)); |
| 502 | } | ||
| 503 |
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9972 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)eps),((PetscObject)eps)->options,((PetscObject)eps)->prefix,"-eps_error_relative",&viewer,&format,&flg)); |
| 504 |
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9972 | if (flg) { |
| 505 |
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20 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 506 |
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20 | PetscCall(EPSErrorView(eps,EPS_ERROR_RELATIVE,viewer)); |
| 507 |
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20 | PetscCall(PetscViewerPopFormat(viewer)); |
| 508 |
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20 | PetscCall(PetscViewerDestroy(&viewer)); |
| 509 | } | ||
| 510 |
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9972 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)eps),((PetscObject)eps)->options,((PetscObject)eps)->prefix,"-eps_error_backward",&viewer,&format,&flg)); |
| 511 |
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9972 | if (flg) { |
| 512 |
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10 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 513 |
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10 | PetscCall(EPSErrorView(eps,EPS_ERROR_BACKWARD,viewer)); |
| 514 |
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10 | PetscCall(PetscViewerPopFormat(viewer)); |
| 515 |
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10 | PetscCall(PetscViewerDestroy(&viewer)); |
| 516 | } | ||
| 517 | 9972 | incall = PETSC_FALSE; | |
| 518 |
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9972 | PetscFunctionReturn(PETSC_SUCCESS); |
| 519 | } | ||
| 520 | |||
| 521 | 20 | static PetscErrorCode EPSValuesView_DRAW(EPS eps,PetscViewer viewer) | |
| 522 | { | ||
| 523 | 20 | PetscDraw draw; | |
| 524 | 20 | PetscDrawSP drawsp; | |
| 525 | 20 | PetscReal re,im; | |
| 526 | 20 | PetscScalar kr,ki; | |
| 527 | 20 | PetscInt i,nconv; | |
| 528 | |||
| 529 |
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20 | PetscFunctionBegin; |
| 530 |
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20 | if (!eps->nconv) PetscFunctionReturn(PETSC_SUCCESS); |
| 531 |
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20 | PetscCall(PetscViewerDrawGetDraw(viewer,0,&draw)); |
| 532 |
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20 | PetscCall(PetscDrawSetTitle(draw,"Computed Eigenvalues")); |
| 533 |
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20 | PetscCall(PetscDrawSPCreate(draw,1,&drawsp)); |
| 534 |
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20 | PetscCall(EPS_GetActualConverged(eps,&nconv)); |
| 535 |
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70 | for (i=0;i<nconv;i++) { |
| 536 |
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50 | PetscCall(EPSGetEigenvalue(eps,i,&kr,&ki)); |
| 537 | #if defined(PETSC_USE_COMPLEX) | ||
| 538 | 25 | re = PetscRealPart(kr); | |
| 539 | 25 | im = PetscImaginaryPart(kr); | |
| 540 | #else | ||
| 541 | 25 | re = kr; | |
| 542 | 25 | im = ki; | |
| 543 | #endif | ||
| 544 |
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50 | PetscCall(PetscDrawSPAddPoint(drawsp,&re,&im)); |
| 545 | } | ||
| 546 |
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20 | PetscCall(PetscDrawSPDraw(drawsp,PETSC_TRUE)); |
| 547 |
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20 | PetscCall(PetscDrawSPSave(drawsp)); |
| 548 |
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20 | PetscCall(PetscDrawSPDestroy(&drawsp)); |
| 549 |
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4 | PetscFunctionReturn(PETSC_SUCCESS); |
| 550 | } | ||
| 551 | |||
| 552 | 10 | static PetscErrorCode EPSValuesView_BINARY(EPS eps,PetscViewer viewer) | |
| 553 | { | ||
| 554 | 10 | PetscScalar kr,ki; | |
| 555 | #if defined(PETSC_HAVE_COMPLEX) | ||
| 556 | 10 | PetscInt i,nconv; | |
| 557 | 10 | PetscComplex *ev; | |
| 558 | #endif | ||
| 559 | |||
| 560 |
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10 | PetscFunctionBegin; |
| 561 | #if defined(PETSC_HAVE_COMPLEX) | ||
| 562 |
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10 | PetscCall(EPS_GetActualConverged(eps,&nconv)); |
| 563 |
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10 | PetscCall(PetscMalloc1(nconv,&ev)); |
| 564 |
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50 | for (i=0;i<nconv;i++) { |
| 565 |
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40 | PetscCall(EPSGetEigenvalue(eps,i,&kr,&ki)); |
| 566 | #if defined(PETSC_USE_COMPLEX) | ||
| 567 | 20 | ev[i] = kr; | |
| 568 | #else | ||
| 569 | 20 | ev[i] = PetscCMPLX(kr,ki); | |
| 570 | #endif | ||
| 571 | } | ||
| 572 |
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10 | PetscCall(PetscViewerBinaryWrite(viewer,ev,nconv,PETSC_COMPLEX)); |
| 573 |
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10 | PetscCall(PetscFree(ev)); |
| 574 | #endif | ||
| 575 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 576 | } | ||
| 577 | |||
| 578 | #if defined(PETSC_HAVE_HDF5) | ||
| 579 | static PetscErrorCode EPSValuesView_HDF5(EPS eps,PetscViewer viewer) | ||
| 580 | { | ||
| 581 | PetscInt i,n,N,nconv; | ||
| 582 | PetscScalar eig; | ||
| 583 | PetscMPIInt rank; | ||
| 584 | Vec v; | ||
| 585 | char vname[30]; | ||
| 586 | const char *ename; | ||
| 587 | |||
| 588 | PetscFunctionBegin; | ||
| 589 | PetscCallMPI(MPI_Comm_rank(PetscObjectComm((PetscObject)eps),&rank)); | ||
| 590 | PetscCall(EPS_GetActualConverged(eps,&nconv)); | ||
| 591 | N = nconv; | ||
| 592 | n = rank? 0: N; | ||
| 593 | /* create a vector containing the eigenvalues */ | ||
| 594 | PetscCall(VecCreateMPI(PetscObjectComm((PetscObject)eps),n,N,&v)); | ||
| 595 | PetscCall(PetscObjectGetName((PetscObject)eps,&ename)); | ||
| 596 | PetscCall(PetscSNPrintf(vname,sizeof(vname),"eigr_%s",ename)); | ||
| 597 | PetscCall(PetscObjectSetName((PetscObject)v,vname)); | ||
| 598 | if (!rank) { | ||
| 599 | for (i=0;i<nconv;i++) { | ||
| 600 | PetscCall(EPSGetEigenvalue(eps,i,&eig,NULL)); | ||
| 601 | PetscCall(VecSetValue(v,i,eig,INSERT_VALUES)); | ||
| 602 | } | ||
| 603 | } | ||
| 604 | PetscCall(VecAssemblyBegin(v)); | ||
| 605 | PetscCall(VecAssemblyEnd(v)); | ||
| 606 | PetscCall(VecView(v,viewer)); | ||
| 607 | #if !defined(PETSC_USE_COMPLEX) | ||
| 608 | /* in real scalars write the imaginary part as a separate vector */ | ||
| 609 | PetscCall(PetscSNPrintf(vname,sizeof(vname),"eigi_%s",ename)); | ||
| 610 | PetscCall(PetscObjectSetName((PetscObject)v,vname)); | ||
| 611 | if (!rank) { | ||
| 612 | for (i=0;i<nconv;i++) { | ||
| 613 | PetscCall(EPSGetEigenvalue(eps,i,NULL,&eig)); | ||
| 614 | PetscCall(VecSetValue(v,i,eig,INSERT_VALUES)); | ||
| 615 | } | ||
| 616 | } | ||
| 617 | PetscCall(VecAssemblyBegin(v)); | ||
| 618 | PetscCall(VecAssemblyEnd(v)); | ||
| 619 | PetscCall(VecView(v,viewer)); | ||
| 620 | #endif | ||
| 621 | PetscCall(VecDestroy(&v)); | ||
| 622 | PetscFunctionReturn(PETSC_SUCCESS); | ||
| 623 | } | ||
| 624 | #endif | ||
| 625 | |||
| 626 | 20 | static PetscErrorCode EPSValuesView_ASCII(EPS eps,PetscViewer viewer) | |
| 627 | { | ||
| 628 | 20 | PetscInt i,nconv; | |
| 629 | 20 | PetscScalar kr,ki; | |
| 630 | |||
| 631 |
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20 | PetscFunctionBegin; |
| 632 |
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20 | PetscCall(PetscViewerASCIIPrintf(viewer,"Eigenvalues = \n")); |
| 633 |
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20 | PetscCall(EPS_GetActualConverged(eps,&nconv)); |
| 634 |
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120 | for (i=0;i<nconv;i++) { |
| 635 |
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100 | PetscCall(EPSGetEigenvalue(eps,i,&kr,&ki)); |
| 636 |
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100 | PetscCall(PetscViewerASCIIPrintf(viewer," ")); |
| 637 |
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100 | PetscCall(SlepcPrintEigenvalueASCII(viewer,kr,ki)); |
| 638 |
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100 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n")); |
| 639 | } | ||
| 640 |
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20 | PetscCall(PetscViewerASCIIPrintf(viewer,"\n")); |
| 641 |
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4 | PetscFunctionReturn(PETSC_SUCCESS); |
| 642 | } | ||
| 643 | |||
| 644 | 10 | static PetscErrorCode EPSValuesView_MATLAB(EPS eps,PetscViewer viewer) | |
| 645 | { | ||
| 646 | 10 | PetscInt i,nconv; | |
| 647 | 10 | PetscReal re,im; | |
| 648 | 10 | PetscScalar kr,ki; | |
| 649 | 10 | const char *name; | |
| 650 | |||
| 651 |
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10 | PetscFunctionBegin; |
| 652 |
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10 | PetscCall(PetscObjectGetName((PetscObject)eps,&name)); |
| 653 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"Lambda_%s = [\n",name)); |
| 654 |
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10 | PetscCall(EPS_GetActualConverged(eps,&nconv)); |
| 655 |
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20 | for (i=0;i<nconv;i++) { |
| 656 |
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10 | PetscCall(EPSGetEigenvalue(eps,i,&kr,&ki)); |
| 657 | #if defined(PETSC_USE_COMPLEX) | ||
| 658 | 5 | re = PetscRealPart(kr); | |
| 659 | 5 | im = PetscImaginaryPart(kr); | |
| 660 | #else | ||
| 661 | 5 | re = kr; | |
| 662 | 5 | im = ki; | |
| 663 | #endif | ||
| 664 |
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10 | if (im!=0.0) PetscCall(PetscViewerASCIIPrintf(viewer,"%18.16e%+18.16ei\n",(double)re,(double)im)); |
| 665 |
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10 | else PetscCall(PetscViewerASCIIPrintf(viewer,"%18.16e\n",(double)re)); |
| 666 | } | ||
| 667 |
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10 | PetscCall(PetscViewerASCIIPrintf(viewer,"];\n")); |
| 668 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 669 | } | ||
| 670 | |||
| 671 | /*@ | ||
| 672 | EPSValuesView - Displays the computed eigenvalues in a viewer. | ||
| 673 | |||
| 674 | Collective | ||
| 675 | |||
| 676 | Input Parameters: | ||
| 677 | + eps - the linear eigensolver context | ||
| 678 | - viewer - the viewer | ||
| 679 | |||
| 680 | Options Database Key: | ||
| 681 | . -eps_view_values - print computed eigenvalues | ||
| 682 | |||
| 683 | Note: | ||
| 684 | The command-line option listed above admits an optional argument | ||
| 685 | specifying the viewer type and options. For instance, use | ||
| 686 | `-eps_view_values :evals.m:ascii_matlab` to save the values in a file | ||
| 687 | that can be executed in Matlab. | ||
| 688 | |||
| 689 | Level: intermediate | ||
| 690 | |||
| 691 | .seealso: [](ch:eps), `EPSSolve()`, `EPSVectorsView()`, `EPSErrorView()` | ||
| 692 | @*/ | ||
| 693 | 60 | PetscErrorCode EPSValuesView(EPS eps,PetscViewer viewer) | |
| 694 | { | ||
| 695 | 60 | PetscBool isascii,isdraw,isbinary; | |
| 696 | 60 | PetscViewerFormat format; | |
| 697 | #if defined(PETSC_HAVE_HDF5) | ||
| 698 | PetscBool ishdf5; | ||
| 699 | #endif | ||
| 700 | |||
| 701 |
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60 | PetscFunctionBegin; |
| 702 |
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60 | PetscValidHeaderSpecific(eps,EPS_CLASSID,1); |
| 703 |
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60 | if (!viewer) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)eps),&viewer)); |
| 704 |
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60 | PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); |
| 705 |
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60 | PetscCheckSameComm(eps,1,viewer,2); |
| 706 |
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60 | EPSCheckSolved(eps,1); |
| 707 |
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60 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERDRAW,&isdraw)); |
| 708 |
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60 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERBINARY,&isbinary)); |
| 709 | #if defined(PETSC_HAVE_HDF5) | ||
| 710 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERHDF5,&ishdf5)); | ||
| 711 | #endif | ||
| 712 |
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60 | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); |
| 713 |
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60 | if (isdraw) PetscCall(EPSValuesView_DRAW(eps,viewer)); |
| 714 |
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40 | else if (isbinary) PetscCall(EPSValuesView_BINARY(eps,viewer)); |
| 715 | #if defined(PETSC_HAVE_HDF5) | ||
| 716 | else if (ishdf5) PetscCall(EPSValuesView_HDF5(eps,viewer)); | ||
| 717 | #endif | ||
| 718 |
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30 | else if (isascii) { |
| 719 |
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30 | PetscCall(PetscViewerGetFormat(viewer,&format)); |
| 720 |
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30 | switch (format) { |
| 721 | 20 | case PETSC_VIEWER_DEFAULT: | |
| 722 | case PETSC_VIEWER_ASCII_INFO: | ||
| 723 | case PETSC_VIEWER_ASCII_INFO_DETAIL: | ||
| 724 |
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20 | PetscCall(EPSValuesView_ASCII(eps,viewer)); |
| 725 | break; | ||
| 726 | 10 | case PETSC_VIEWER_ASCII_MATLAB: | |
| 727 |
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10 | PetscCall(EPSValuesView_MATLAB(eps,viewer)); |
| 728 | break; | ||
| 729 | ✗ | default: | |
| 730 | ✗ | PetscCall(PetscInfo(eps,"Unsupported viewer format %s\n",PetscViewerFormats[format])); | |
| 731 | } | ||
| 732 | } | ||
| 733 |
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12 | PetscFunctionReturn(PETSC_SUCCESS); |
| 734 | } | ||
| 735 | |||
| 736 | /*@ | ||
| 737 | EPSValuesViewFromOptions - Processes command line options to determine if/how | ||
| 738 | the computed eigenvalues are to be viewed. | ||
| 739 | |||
| 740 | Collective | ||
| 741 | |||
| 742 | Input Parameter: | ||
| 743 | . eps - the linear eigensolver context | ||
| 744 | |||
| 745 | Level: developer | ||
| 746 | |||
| 747 | .seealso: [](ch:eps), `EPSValuesView()` | ||
| 748 | @*/ | ||
| 749 | 9972 | PetscErrorCode EPSValuesViewFromOptions(EPS eps) | |
| 750 | { | ||
| 751 | 9972 | PetscViewer viewer; | |
| 752 | 9972 | PetscBool flg; | |
| 753 | 9972 | static PetscBool incall = PETSC_FALSE; | |
| 754 | 9972 | PetscViewerFormat format; | |
| 755 | |||
| 756 |
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9972 | PetscFunctionBegin; |
| 757 |
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9972 | if (incall) PetscFunctionReturn(PETSC_SUCCESS); |
| 758 | 9972 | incall = PETSC_TRUE; | |
| 759 |
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|
9972 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)eps),((PetscObject)eps)->options,((PetscObject)eps)->prefix,"-eps_view_values",&viewer,&format,&flg)); |
| 760 |
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9972 | if (flg) { |
| 761 |
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60 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 762 |
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60 | PetscCall(EPSValuesView(eps,viewer)); |
| 763 |
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60 | PetscCall(PetscViewerPopFormat(viewer)); |
| 764 |
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60 | PetscCall(PetscViewerDestroy(&viewer)); |
| 765 | } | ||
| 766 | 9972 | incall = PETSC_FALSE; | |
| 767 |
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9972 | PetscFunctionReturn(PETSC_SUCCESS); |
| 768 | } | ||
| 769 | |||
| 770 | /*@ | ||
| 771 | EPSVectorsView - Outputs computed eigenvectors to a viewer. | ||
| 772 | |||
| 773 | Collective | ||
| 774 | |||
| 775 | Input Parameters: | ||
| 776 | + eps - the linear eigensolver context | ||
| 777 | - viewer - the viewer | ||
| 778 | |||
| 779 | Options Database Key: | ||
| 780 | . -eps_view_vectors - output eigenvectors | ||
| 781 | |||
| 782 | Notes: | ||
| 783 | If PETSc was configured with real scalars, complex conjugate eigenvectors | ||
| 784 | will be viewed as two separate real vectors, one containing the real part | ||
| 785 | and another one containing the imaginary part. | ||
| 786 | |||
| 787 | If left eigenvectors were computed with a two-sided eigensolver, the right | ||
| 788 | and left eigenvectors are interleaved, that is, the vectors are output in | ||
| 789 | the following order\: `X0, Y0, X1, Y1, X2, Y2, ...` | ||
| 790 | |||
| 791 | The command-line option listed above admits an optional argument | ||
| 792 | specifying the viewer type and options. For instance, use | ||
| 793 | `-eps_view_vectors binary:evecs.bin` to save the vectors in a binary file. | ||
| 794 | |||
| 795 | Level: intermediate | ||
| 796 | |||
| 797 | .seealso: [](ch:eps), `EPSSolve()`, `EPSValuesView()`, `EPSErrorView()` | ||
| 798 | @*/ | ||
| 799 | 10 | PetscErrorCode EPSVectorsView(EPS eps,PetscViewer viewer) | |
| 800 | { | ||
| 801 | 10 | PetscInt i,nconv; | |
| 802 | 10 | Vec xr,xi=NULL; | |
| 803 | |||
| 804 |
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10 | PetscFunctionBegin; |
| 805 |
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10 | PetscValidHeaderSpecific(eps,EPS_CLASSID,1); |
| 806 |
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10 | if (!viewer) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)eps),&viewer)); |
| 807 |
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10 | PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); |
| 808 |
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10 | PetscCheckSameComm(eps,1,viewer,2); |
| 809 |
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10 | EPSCheckSolved(eps,1); |
| 810 |
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10 | PetscCall(EPS_GetActualConverged(eps,&nconv)); |
| 811 |
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10 | if (nconv) { |
| 812 |
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10 | PetscCall(BVCreateVec(eps->V,&xr)); |
| 813 | #if !defined(PETSC_USE_COMPLEX) | ||
| 814 |
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5 | PetscCall(BVCreateVec(eps->V,&xi)); |
| 815 | #endif | ||
| 816 |
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50 | for (i=0;i<nconv;i++) { |
| 817 |
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40 | PetscCall(EPSGetEigenvector(eps,i,xr,xi)); |
| 818 |
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40 | PetscCall(SlepcViewEigenvector(viewer,xr,xi,"X",i,(PetscObject)eps)); |
| 819 |
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40 | if (eps->twosided || eps->problem_type==EPS_BSE) { |
| 820 |
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40 | PetscCall(EPSGetLeftEigenvector(eps,i,xr,xi)); |
| 821 |
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40 | PetscCall(SlepcViewEigenvector(viewer,xr,xi,"Y",i,(PetscObject)eps)); |
| 822 | } | ||
| 823 | } | ||
| 824 |
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10 | PetscCall(VecDestroy(&xr)); |
| 825 | #if !defined(PETSC_USE_COMPLEX) | ||
| 826 |
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5 | PetscCall(VecDestroy(&xi)); |
| 827 | #endif | ||
| 828 | } | ||
| 829 |
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2 | PetscFunctionReturn(PETSC_SUCCESS); |
| 830 | } | ||
| 831 | |||
| 832 | /*@ | ||
| 833 | EPSVectorsViewFromOptions - Processes command line options to determine if/how | ||
| 834 | the computed eigenvectors are to be viewed. | ||
| 835 | |||
| 836 | Collective | ||
| 837 | |||
| 838 | Input Parameter: | ||
| 839 | . eps - the linear eigensolver context | ||
| 840 | |||
| 841 | Level: developer | ||
| 842 | |||
| 843 | .seealso: [](ch:eps), `EPSVectorsView()` | ||
| 844 | @*/ | ||
| 845 | 9972 | PetscErrorCode EPSVectorsViewFromOptions(EPS eps) | |
| 846 | { | ||
| 847 | 9972 | PetscViewer viewer; | |
| 848 | 9972 | PetscBool flg = PETSC_FALSE; | |
| 849 | 9972 | static PetscBool incall = PETSC_FALSE; | |
| 850 | 9972 | PetscViewerFormat format; | |
| 851 | |||
| 852 |
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9972 | PetscFunctionBegin; |
| 853 |
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9972 | if (incall) PetscFunctionReturn(PETSC_SUCCESS); |
| 854 | 9972 | incall = PETSC_TRUE; | |
| 855 |
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9972 | PetscCall(PetscOptionsCreateViewer(PetscObjectComm((PetscObject)eps),((PetscObject)eps)->options,((PetscObject)eps)->prefix,"-eps_view_vectors",&viewer,&format,&flg)); |
| 856 |
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9972 | if (flg) { |
| 857 |
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10 | PetscCall(PetscViewerPushFormat(viewer,format)); |
| 858 |
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10 | PetscCall(EPSVectorsView(eps,viewer)); |
| 859 |
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10 | PetscCall(PetscViewerPopFormat(viewer)); |
| 860 |
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10 | PetscCall(PetscViewerDestroy(&viewer)); |
| 861 | } | ||
| 862 | 9972 | incall = PETSC_FALSE; | |
| 863 |
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9972 | PetscFunctionReturn(PETSC_SUCCESS); |
| 864 | } | ||
| 865 |