GCC Code Coverage Report

Directory:	./
File:	src/svd/tests/test5.c
Date:	2025-11-19 04:19:03

	Exec	Total	Coverage
Lines:	39	39	100.0%
Functions:	1	1	100.0%
Branches:	117	176	66.5%

  
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      /*
    
         - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
         SLEPc - Scalable Library for Eigenvalue Problem Computations
    
         Copyright (c) 2002-, Universitat Politecnica de Valencia, Spain
    
         This file is part of SLEPc.
    
         SLEPc is distributed under a 2-clause BSD license (see LICENSE).
    
         - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
      */
    
      static char help[] = "Test SVD view and monitor functionality.\n\n";
    
      #include <slepcsvd.h>
    
      38
      int main(int argc,char **argv)
    
      {
    
      38
        Mat            A;
    
      38
        SVD            svd;
    
      38
        PetscReal      *sigma,sval;
    
      38
        PetscInt       n=6,Istart,Iend,i,nconv;
    
      38
        PetscBool      checkfile;
    
      38
        char           filename[PETSC_MAX_PATH_LEN];
    
      38
        PetscViewer    viewer;
    
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      38
        PetscFunctionBeginUser;
    
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      38
        PetscCall(SlepcInitialize(&argc,&argv,NULL,help));
    
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      38
        PetscCall(PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL));
    
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      38
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"\nSVD of diagonal matrix, n=%" PetscInt_FMT "\n\n",n));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
              Generate the matrix
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      38
        PetscCall(MatCreate(PETSC_COMM_WORLD,&A));
    
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      38
        PetscCall(MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,n,n));
    
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      38
        PetscCall(MatSetFromOptions(A));
    
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      38
        PetscCall(MatGetOwnershipRange(A,&Istart,&Iend));
    
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      266
        for (i=Istart;i<Iend;i++) PetscCall(MatSetValue(A,i,i,i+1,INSERT_VALUES));
    
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      38
        PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY));
    
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      38
        PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                           Create the SVD solver
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      38
        PetscCall(SVDCreate(PETSC_COMM_WORLD,&svd));
    
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      38
        PetscCall(PetscObjectSetName((PetscObject)svd,"svd"));
    
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      38
        PetscCall(SVDSetOperators(svd,A,NULL));
    
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      38
        PetscCall(SVDSetFromOptions(svd));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                      Compute the singular triplets and display solution
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      38
        PetscCall(SVDSolve(svd));
    
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      38
        PetscCall(SVDErrorView(svd,SVD_ERROR_RELATIVE,NULL));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                         Check file containing the singular values
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      38
        PetscCall(PetscOptionsGetString(NULL,NULL,"-checkfile",filename,sizeof(filename),&checkfile));
    
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      38
        if (checkfile) {
    
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      10
          PetscCall(SVDGetConverged(svd,&nconv));
    
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      10
          PetscCall(PetscMalloc1(nconv,&sigma));
    
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      10
          PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD,filename,FILE_MODE_READ,&viewer));
    
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      10
          PetscCall(PetscViewerBinaryRead(viewer,sigma,nconv,NULL,PETSC_REAL));
    
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      10
          PetscCall(PetscViewerDestroy(&viewer));
    
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      70
          for (i=0;i<nconv;i++) {
    
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      60
            PetscCall(SVDGetSingularTriplet(svd,i,&sval,NULL,NULL));
    
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      60
            PetscCheck(sval==sigma[i],PETSC_COMM_WORLD,PETSC_ERR_FILE_UNEXPECTED,"Singular values in the file do not match");
    
          }
    
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      10
          PetscCall(PetscFree(sigma));
    
        }
    
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      38
        PetscCall(SVDDestroy(&svd));
    
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      38
        PetscCall(MatDestroy(&A));
    
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      38
        PetscCall(SlepcFinalize());
    
        return 0;
    
      }
    
      /*TEST
    
         test:
    
            suffix: 1
    
            args: -svd_error_relative ::ascii_info_detail -svd_view_values -svd_monitor_conv -svd_error_absolute ::ascii_matlab -svd_monitor_all -svd_error_norm ::ascii_info_detail -svd_converged_reason -svd_view
    
            filter: grep -v "tolerance" | grep -v "problem type" | sed -e "s/1.999999/2.000000/" | sed -e "s/2.000001/2.000000/" | sed -e "s/[0-9]\.[0-9]*e-\([0-9]*\)/removed/g"
    
            requires: !single
    
         test:
    
            suffix: 2
    
            args: -svd_nsv 4 -svd_view_values binary:myvalues.bin -checkfile myvalues.bin
    
            requires: double
    
         test:
    
            suffix: 3
    
            args: -svd_type trlanczos -svd_error_relative ::ascii_info_detail -svd_view_values -svd_monitor_conv -svd_error_absolute ::ascii_matlab -svd_monitor_all -svd_converged_reason -svd_view
    
            filter: grep -v "tolerance" | grep -v "problem type" | sed -e "s/1.999999/2.000000/" | sed -e "s/2.000001/2.000000/" | sed -e "s/[0-9]\.[0-9]*e-\([0-9]*\)/removed/g"
    
            requires: !single
    
         test:
    
            suffix: 4
    
            args: -svd_monitor draw::draw_lg -svd_monitor_all draw::draw_lg -svd_view_values draw -draw_save mysingu.ppm -draw_virtual
    
            requires: x !single
    
      TEST*/

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 SVD view and monitor functionality.\n\n";
12
13			#include <slepcsvd.h>
14
15		38	int main(int argc,char **argv)
16			{
17		38	Mat A;
18		38	SVD svd;
19		38	PetscReal *sigma,sval;
20		38	PetscInt n=6,Istart,Iend,i,nconv;
21		38	PetscBool checkfile;
22		38	char filename[PETSC_MAX_PATH_LEN];
23		38	PetscViewer viewer;
24
25	1/2 ✓ Branch 0 taken 2 times. ✗ Branch 1 not taken.	38	PetscFunctionBeginUser;
26	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(SlepcInitialize(&argc,&argv,NULL,help));
27	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL));
28	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(PetscPrintf(PETSC_COMM_WORLD,"\nSVD of diagonal matrix, n=%" PetscInt_FMT "\n\n",n));
29
30			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
31			Generate the matrix
32			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
33	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(MatCreate(PETSC_COMM_WORLD,&A));
34	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,n,n));
35	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(MatSetFromOptions(A));
36	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(MatGetOwnershipRange(A,&Istart,&Iend));
37	7/8 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 10 times. ✓ Branch 3 taken 8 times. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times. ✓ Branch 6 taken 2 times. ✓ Branch 7 taken 2 times.	266	for (i=Istart;i<Iend;i++) PetscCall(MatSetValue(A,i,i,i+1,INSERT_VALUES));
38	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY));
39	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY));
40
41			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
42			Create the SVD solver
43			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
44	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(SVDCreate(PETSC_COMM_WORLD,&svd));
45	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(PetscObjectSetName((PetscObject)svd,"svd"));
46	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(SVDSetOperators(svd,A,NULL));
47	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(SVDSetFromOptions(svd));
48
49			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
50			Compute the singular triplets and display solution
51			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
52	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(SVDSolve(svd));
53	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(SVDErrorView(svd,SVD_ERROR_RELATIVE,NULL));
54
55			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
56			Check file containing the singular values
57			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
58	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(PetscOptionsGetString(NULL,NULL,"-checkfile",filename,sizeof(filename),&checkfile));
59	2/2 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times.	38	if (checkfile) {
60	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	10	PetscCall(SVDGetConverged(svd,&nconv));
61	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	10	PetscCall(PetscMalloc1(nconv,&sigma));
62	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	10	PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD,filename,FILE_MODE_READ,&viewer));
63	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	10	PetscCall(PetscViewerBinaryRead(viewer,sigma,nconv,NULL,PETSC_REAL));
64	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	10	PetscCall(PetscViewerDestroy(&viewer));
65	2/2 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times.	70	for (i=0;i<nconv;i++) {
66	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	60	PetscCall(SVDGetSingularTriplet(svd,i,&sval,NULL,NULL));
67	1/4 ✗ Branch 0 not taken. ✓ Branch 1 taken 10 times. ✗ Branch 2 not taken. ✗ Branch 3 not taken.	60	PetscCheck(sval==sigma[i],PETSC_COMM_WORLD,PETSC_ERR_FILE_UNEXPECTED,"Singular values in the file do not match");
68			}
69	5/8 ✓ Branch 0 taken 10 times. ✗ Branch 1 not taken. ✓ Branch 2 taken 2 times. ✓ Branch 3 taken 8 times. ✓ Branch 4 taken 2 times. ✗ Branch 5 not taken. ✗ Branch 6 not taken. ✓ Branch 7 taken 2 times.	10	PetscCall(PetscFree(sigma));
70			}
71
72	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(SVDDestroy(&svd));
73	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	38	PetscCall(MatDestroy(&A));
74	3/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 2 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✗ Branch 5 not taken.	38	PetscCall(SlepcFinalize());
75			return 0;
76			}
77
78			/*TEST
79
80			test:
81			suffix: 1
82			args: -svd_error_relative ::ascii_info_detail -svd_view_values -svd_monitor_conv -svd_error_absolute ::ascii_matlab -svd_monitor_all -svd_error_norm ::ascii_info_detail -svd_converged_reason -svd_view
83			filter: grep -v "tolerance" \| grep -v "problem type" \| sed -e "s/1.999999/2.000000/" \| sed -e "s/2.000001/2.000000/" \| sed -e "s/[0-9]\.[0-9]e-\([0-9]\)/removed/g"
84			requires: !single
85
86			test:
87			suffix: 2
88			args: -svd_nsv 4 -svd_view_values binary:myvalues.bin -checkfile myvalues.bin
89			requires: double
90
91			test:
92			suffix: 3
93			args: -svd_type trlanczos -svd_error_relative ::ascii_info_detail -svd_view_values -svd_monitor_conv -svd_error_absolute ::ascii_matlab -svd_monitor_all -svd_converged_reason -svd_view
94			filter: grep -v "tolerance" \| grep -v "problem type" \| sed -e "s/1.999999/2.000000/" \| sed -e "s/2.000001/2.000000/" \| sed -e "s/[0-9]\.[0-9]e-\([0-9]\)/removed/g"
95			requires: !single
96
97			test:
98			suffix: 4
99			args: -svd_monitor draw::draw_lg -svd_monitor_all draw::draw_lg -svd_view_values draw -draw_save mysingu.ppm -draw_virtual
100			requires: x !single
101
102			TEST*/
103