GCC Code Coverage Report

Directory:	./
File:	src/mfn/tutorials/ex37.c
Date:	2025-10-03 04:28:47

	Exec	Total	Coverage
Lines:	68	68	100.0%
Functions:	1	1	100.0%
Branches:	179	266	67.3%

  
      Line
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      Exec
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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[] = "Computes exp(t*A)*v for an advection diffusion operator with Peclet number.\n\n"
    
        "The command line options are:\n"
    
        "  -n <idim>, where <idim> = number of subdivisions of the mesh in each spatial direction.\n"
    
        "  -t <sval>, where <sval> = scalar value that multiplies the argument.\n"
    
        "  -peclet <sval>, where <sval> = Peclet value.\n"
    
        "  -steps <ival>, where <ival> = number of time steps.\n\n";
    
      #include <slepcmfn.h>
    
      10
      int main(int argc,char **argv)
    
      {
    
      10
        Mat                A;           /* problem matrix */
    
      10
        MFN                mfn;
    
      10
        FN                 f;
    
      10
        PetscInt           i,j,Istart,Iend,II,m,n=10,N,steps=5,its,totits=0,ncv,maxit;
    
      10
        PetscReal          tol,norm,h,h2,peclet=0.5,epsilon=1.0,c,i1h,j1h;
    
      10
        PetscScalar        t=1e-4,sone=1.0,value,upper,diag,lower;
    
      10
        Vec                v;
    
      10
        MFNConvergedReason reason;
    
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      10
        PetscFunctionBeginUser;
    
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      10
        PetscCall(SlepcInitialize(&argc,&argv,NULL,help));
    
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      10
        PetscCall(PetscOptionsGetScalar(NULL,NULL,"-t",&t,NULL));
    
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      10
        PetscCall(PetscOptionsGetReal(NULL,NULL,"-peclet",&peclet,NULL));
    
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      10
        PetscCall(PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL));
    
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      10
        PetscCall(PetscOptionsGetInt(NULL,NULL,"-steps",&steps,NULL));
    
      10
        m = n;
    
      10
        N = m*n;
    
        /* interval [0,1], homogeneous Dirichlet boundary conditions */
    
      10
        h = 1.0/(n+1.0);
    
      10
        h2 = h*h;
    
      10
        c = 2.0*epsilon*peclet/h;
    
      10
        upper = epsilon/h2+c/(2.0*h);
    
      10
        diag = 2.0*(-2.0*epsilon/h2);
    
      10
        lower = epsilon/h2-c/(2.0*h);
    
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      10
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"\nAdvection diffusion via y=exp(%g*A), n=%" PetscInt_FMT ", steps=%" PetscInt_FMT ", Peclet=%g\n\n",(double)PetscRealPart(t),n,steps,(double)peclet));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                      Generate matrix A
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      10
        PetscCall(MatCreate(PETSC_COMM_WORLD,&A));
    
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      10
        PetscCall(MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,N,N));
    
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      10
        PetscCall(MatSetFromOptions(A));
    
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      10
        PetscCall(MatGetOwnershipRange(A,&Istart,&Iend));
    
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      1010
        for (II=Istart;II<Iend;II++) {
    
      1000
          i = II/n; j = II-i*n;
    
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      1000
          if (i>0) PetscCall(MatSetValue(A,II,II-n,lower,INSERT_VALUES));
    
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      1000
          if (i<m-1) PetscCall(MatSetValue(A,II,II+n,upper,INSERT_VALUES));
    
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      1000
          if (j>0) PetscCall(MatSetValue(A,II,II-1,lower,INSERT_VALUES));
    
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      1000
          if (j<n-1) PetscCall(MatSetValue(A,II,II+1,upper,INSERT_VALUES));
    
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      1000
          PetscCall(MatSetValue(A,II,II,diag,INSERT_VALUES));
    
        }
    
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      10
        PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY));
    
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      10
        PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY));
    
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      10
        PetscCall(MatCreateVecs(A,NULL,&v));
    
        /*
    
           Set initial condition v = 256*i^2*(1-i)^2*j^2*(1-j)^2
    
        */
    
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      1010
        for (II=Istart;II<Iend;II++) {
    
      1000
          i = II/n; j = II-i*n;
    
      1000
          i1h = (i+1)*h; j1h = (j+1)*h;
    
      1000
          value = 256.0*i1h*i1h*(1.0-i1h)*(1.0-i1h)*(j1h*j1h)*(1.0-j1h)*(1.0-j1h);
    
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      1000
          PetscCall(VecSetValue(v,i+j*n,value,INSERT_VALUES));
    
        }
    
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      10
        PetscCall(VecAssemblyBegin(v));
    
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      10
        PetscCall(VecAssemblyEnd(v));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                      Create the solver and set various options
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      10
        PetscCall(MFNCreate(PETSC_COMM_WORLD,&mfn));
    
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      10
        PetscCall(MFNSetOperator(mfn,A));
    
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      10
        PetscCall(MFNGetFN(mfn,&f));
    
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      10
        PetscCall(FNSetType(f,FNEXP));
    
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      10
        PetscCall(FNSetScale(f,t,sone));
    
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      10
        PetscCall(MFNSetFromOptions(mfn));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                            Solve the problem, y=exp(t*A)*v
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      60
        for (i=0;i<steps;i++) {
    
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      50
          PetscCall(MFNSolve(mfn,v,v));
    
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      50
          PetscCall(MFNGetConvergedReason(mfn,&reason));
    
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      50
          PetscCheck(reason>=0,PETSC_COMM_WORLD,PETSC_ERR_CONV_FAILED,"Solver did not converge");
    
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      50
          PetscCall(MFNGetIterationNumber(mfn,&its));
    
      50
          totits += its;
    
        }
    
        /*
    
           Optional: Get some information from the solver and display it
    
        */
    
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      10
        PetscCall(PetscPrintf(PETSC_COMM_WORLD," Number of iterations of the method: %" PetscInt_FMT "\n",totits));
    
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      10
        PetscCall(MFNGetDimensions(mfn,&ncv));
    
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      10
        PetscCall(PetscPrintf(PETSC_COMM_WORLD," Subspace dimension: %" PetscInt_FMT "\n",ncv));
    
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      10
        PetscCall(MFNGetTolerances(mfn,&tol,&maxit));
    
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      10
        PetscCall(PetscPrintf(PETSC_COMM_WORLD," Stopping condition: tol=%.4g, maxit=%" PetscInt_FMT "\n",(double)tol,maxit));
    
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      10
        PetscCall(VecNorm(v,NORM_2,&norm));
    
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      10
        PetscCall(PetscPrintf(PETSC_COMM_WORLD," Computed vector at time t=%.4g has norm %g\n",(double)PetscRealPart(t)*steps,(double)norm));
    
        /*
    
           Free work space
    
        */
    
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      10
        PetscCall(MFNDestroy(&mfn));
    
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      10
        PetscCall(MatDestroy(&A));
    
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      10
        PetscCall(VecDestroy(&v));
    
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      10
        PetscCall(SlepcFinalize());
    
        return 0;
    
      }
    
      /*TEST
    
         test:
    
            suffix: 1
    
            args: -mfn_tol 1e-6
    
      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[] = "Computes exp(tA)v for an advection diffusion operator with Peclet number.\n\n"
12			"The command line options are:\n"
13			" -n <idim>, where <idim> = number of subdivisions of the mesh in each spatial direction.\n"
14			" -t <sval>, where <sval> = scalar value that multiplies the argument.\n"
15			" -peclet <sval>, where <sval> = Peclet value.\n"
16			" -steps <ival>, where <ival> = number of time steps.\n\n";
17
18			#include <slepcmfn.h>
19
20		10	int main(int argc,char **argv)
21			{
22		10	Mat A; /* problem matrix */
23		10	MFN mfn;
24		10	FN f;
25		10	PetscInt i,j,Istart,Iend,II,m,n=10,N,steps=5,its,totits=0,ncv,maxit;
26		10	PetscReal tol,norm,h,h2,peclet=0.5,epsilon=1.0,c,i1h,j1h;
27		10	PetscScalar t=1e-4,sone=1.0,value,upper,diag,lower;
28		10	Vec v;
29		10	MFNConvergedReason reason;
30
31	1/2 ✓ Branch 0 taken 2 times. ✗ Branch 1 not taken.	10	PetscFunctionBeginUser;
32	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(SlepcInitialize(&argc,&argv,NULL,help));
33
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.	10	PetscCall(PetscOptionsGetScalar(NULL,NULL,"-t",&t,NULL));
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.	10	PetscCall(PetscOptionsGetReal(NULL,NULL,"-peclet",&peclet,NULL));
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.	10	PetscCall(PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL));
37	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(PetscOptionsGetInt(NULL,NULL,"-steps",&steps,NULL));
38		10	m = n;
39		10	N = m*n;
40			/* interval [0,1], homogeneous Dirichlet boundary conditions */
41		10	h = 1.0/(n+1.0);
42		10	h2 = h*h;
43		10	c = 2.0epsilonpeclet/h;
44		10	upper = epsilon/h2+c/(2.0*h);
45		10	diag = 2.0(-2.0epsilon/h2);
46		10	lower = epsilon/h2-c/(2.0*h);
47
48	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(PetscPrintf(PETSC_COMM_WORLD,"\nAdvection diffusion via y=exp(%g*A), n=%" PetscInt_FMT ", steps=%" PetscInt_FMT ", Peclet=%g\n\n",(double)PetscRealPart(t),n,steps,(double)peclet));
49
50			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
51			Generate matrix A
52			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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.	10	PetscCall(MatCreate(PETSC_COMM_WORLD,&A));
54	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(MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,N,N));
55	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(MatSetFromOptions(A));
56	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(MatGetOwnershipRange(A,&Istart,&Iend));
57	2/2 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times.	1010	for (II=Istart;II<Iend;II++) {
58		1000	i = II/n; j = II-i*n;
59	6/8 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times. ✓ 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.	1000	if (i>0) PetscCall(MatSetValue(A,II,II-n,lower,INSERT_VALUES));
60	6/8 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times. ✓ 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.	1000	if (i<m-1) PetscCall(MatSetValue(A,II,II+n,upper,INSERT_VALUES));
61	6/8 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times. ✓ 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.	1000	if (j>0) PetscCall(MatSetValue(A,II,II-1,lower,INSERT_VALUES));
62	6/8 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times. ✓ 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.	1000	if (j<n-1) PetscCall(MatSetValue(A,II,II+1,upper,INSERT_VALUES));
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.	1000	PetscCall(MatSetValue(A,II,II,diag,INSERT_VALUES));
64			}
65	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(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY));
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.	10	PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY));
67	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(MatCreateVecs(A,NULL,&v));
68
69			/*
70			Set initial condition v = 256i^2(1-i)^2j^2(1-j)^2
71			*/
72	2/2 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times.	1010	for (II=Istart;II<Iend;II++) {
73		1000	i = II/n; j = II-i*n;
74		1000	i1h = (i+1)h; j1h = (j+1)h;
75		1000	value = 256.0i1hi1h(1.0-i1h)(1.0-i1h)(j1hj1h)(1.0-j1h)(1.0-j1h);
76	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.	1000	PetscCall(VecSetValue(v,i+j*n,value,INSERT_VALUES));
77			}
78	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(VecAssemblyBegin(v));
79	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(VecAssemblyEnd(v));
80
81			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
82			Create the solver and set various options
83			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
84	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(MFNCreate(PETSC_COMM_WORLD,&mfn));
85	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(MFNSetOperator(mfn,A));
86	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(MFNGetFN(mfn,&f));
87	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(FNSetType(f,FNEXP));
88	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(FNSetScale(f,t,sone));
89	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(MFNSetFromOptions(mfn));
90
91			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
92			Solve the problem, y=exp(tA)v
93			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
94	2/2 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times.	60	for (i=0;i<steps;i++) {
95	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.	50	PetscCall(MFNSolve(mfn,v,v));
96	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.	50	PetscCall(MFNGetConvergedReason(mfn,&reason));
97	1/4 ✗ Branch 0 not taken. ✓ Branch 1 taken 10 times. ✗ Branch 2 not taken. ✗ Branch 3 not taken.	50	PetscCheck(reason>=0,PETSC_COMM_WORLD,PETSC_ERR_CONV_FAILED,"Solver did not converge");
98	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.	50	PetscCall(MFNGetIterationNumber(mfn,&its));
99		50	totits += its;
100			}
101
102			/*
103			Optional: Get some information from the solver and display it
104			*/
105	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(PetscPrintf(PETSC_COMM_WORLD," Number of iterations of the method: %" PetscInt_FMT "\n",totits));
106	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(MFNGetDimensions(mfn,&ncv));
107	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(PetscPrintf(PETSC_COMM_WORLD," Subspace dimension: %" PetscInt_FMT "\n",ncv));
108	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(MFNGetTolerances(mfn,&tol,&maxit));
109	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(PetscPrintf(PETSC_COMM_WORLD," Stopping condition: tol=%.4g, maxit=%" PetscInt_FMT "\n",(double)tol,maxit));
110	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(VecNorm(v,NORM_2,&norm));
111	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(PetscPrintf(PETSC_COMM_WORLD," Computed vector at time t=%.4g has norm %g\n",(double)PetscRealPart(t)*steps,(double)norm));
112
113			/*
114			Free work space
115			*/
116	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(MFNDestroy(&mfn));
117	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(MatDestroy(&A));
118	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(VecDestroy(&v));
119	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.	10	PetscCall(SlepcFinalize());
120			return 0;
121			}
122
123			/*TEST
124
125			test:
126			suffix: 1
127			args: -mfn_tol 1e-6
128
129			TEST*/
130