GCC Code Coverage Report

Directory: ./
File: src/eps/tests/test23.c
Date: 2025-11-19 04:19:03
Exec Total Coverage
Lines: 24 24 100.0%
Functions: 1 1 100.0%
Branches: 79 118 66.9%
Line Branch Exec Source
1 /*
2 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3 SLEPc - Scalable Library for Eigenvalue Problem Computations
4 Copyright (c) 2002-, Universitat Politecnica de Valencia, Spain
5
6 This file is part of SLEPc.
7 SLEPc is distributed under a 2-clause BSD license (see LICENSE).
8 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
9 */
10
11 static char help[] = "Test EPS view and monitor functionality.\n\n";
12
13 #include <slepceps.h>
14
15 28 int main(int argc,char **argv)
16 {
17 28 Mat A;
18 28 EPS eps;
19 28 PetscInt n=6,Istart,Iend,i;
20
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 28 PetscFunctionBeginUser;
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 28 PetscCall(SlepcInitialize(&argc,&argv,NULL,help));
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 28 PetscCall(PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL));
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 28 PetscCall(PetscPrintf(PETSC_COMM_WORLD,"\nEPS of diagonal problem, n=%" PetscInt_FMT "\n\n",n));
25
26 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
27 Generate the matrix
28 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
29
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 28 PetscCall(MatCreate(PETSC_COMM_WORLD,&A));
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 28 PetscCall(MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,n,n));
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 28 PetscCall(MatSetFromOptions(A));
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 28 PetscCall(MatGetOwnershipRange(A,&Istart,&Iend));
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 448 for (i=Istart;i<Iend;i++) PetscCall(MatSetValue(A,i,i,i+1,INSERT_VALUES));
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 28 PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY));
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 28 PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY));
36
37 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
38 Create the EPS solver
39 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
40
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 28 PetscCall(EPSCreate(PETSC_COMM_WORLD,&eps));
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 28 PetscCall(PetscObjectSetName((PetscObject)eps,"eps"));
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 28 PetscCall(EPSSetOperators(eps,A,NULL));
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 28 PetscCall(EPSSetFromOptions(eps));
44
45 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
46 Solve the eigensystem and display solution
47 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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 28 PetscCall(EPSSolve(eps));
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 28 PetscCall(EPSErrorView(eps,EPS_ERROR_RELATIVE,NULL));
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 28 PetscCall(EPSDestroy(&eps));
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 28 PetscCall(MatDestroy(&A));
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 28 PetscCall(SlepcFinalize());
53 return 0;
54 }
55
56 /*TEST
57
58 test:
59 suffix: 1
60 args: -eps_error_backward ::ascii_info_detail -eps_largest_real -eps_balance oneside -eps_view_values -eps_monitor_conv -eps_error_absolute ::ascii_matlab -eps_monitor_all -eps_converged_reason -eps_view
61 requires: !single
62 filter: grep -v "tolerance" | sed -e "s/hermitian/symmetric/" -e "s/[+-]0\.0*i//g" -e "s/\([1-6]\.\)[+-][0-9]\.[0-9]*e-[0-9]*i/\\1/g" -e "s/[0-9]\.[0-9]*e-\([0-9]*\)/removed/g"
63
64 test:
65 suffix: 2
66 args: -n 20 -eps_largest_real -eps_monitor -eps_view_values ::ascii_matlab
67 requires: double
68 filter: sed -e "s/[+-][0-9]\.[0-9]*e-[0-9]*i//" -e "s/[0-9]\.[0-9]*e-\([0-9]*\)/removed/g" -e "s/2\.[0-9]*e+01/2.0000000000000000e+01/" -e "s/1\.9999999999[0-9]*e+01/2.0000000000000000e+01/"
69
70 test:
71 suffix: 3
72 args: -n 20 -eps_largest_real -eps_monitor draw::draw_lg -eps_monitor_all draw::draw_lg -eps_view_values draw -draw_save myeigen.ppm -draw_virtual
73 requires: x double
74
75 TEST*/
76