GCC Code Coverage Report

Directory: ./
File: src/sys/classes/bv/tests/test5.c
Date: 2025-11-19 04:19:03
Exec Total Coverage
Lines: 84 87 96.6%
Functions: 1 1 100.0%
Branches: 268 436 61.5%
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 BV operations with indefinite inner product.\n\n";
12
13 #include <slepcbv.h>
14
15 96 int main(int argc,char **argv)
16 {
17 96 Vec t,v,w,omega;
18 96 Mat B,M;
19 96 BV X,Y;
20 96 PetscInt i,j,n=10,k=5,l,Istart,Iend;
21 96 PetscScalar alpha;
22 96 PetscReal nrm;
23 96 PetscViewer view;
24 96 PetscBool verbose;
25
26
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 96 PetscFunctionBeginUser;
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 96 PetscCall(SlepcInitialize(&argc,&argv,NULL,help));
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 96 PetscCall(PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL));
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 96 PetscCall(PetscOptionsGetInt(NULL,NULL,"-k",&k,NULL));
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 96 PetscCall(PetscOptionsHasName(NULL,NULL,"-verbose",&verbose));
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 96 PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Test BV with indefinite inner product (n=%" PetscInt_FMT ", k=%" PetscInt_FMT ").\n",n,k));
32
33 /* Create inner product matrix (standard involutionary permutation) */
34
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 96 PetscCall(MatCreate(PETSC_COMM_WORLD,&B));
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 96 PetscCall(MatSetSizes(B,PETSC_DECIDE,PETSC_DECIDE,n,n));
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 96 PetscCall(MatSetFromOptions(B));
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 96 PetscCall(PetscObjectSetName((PetscObject)B,"B"));
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 96 PetscCall(MatGetOwnershipRange(B,&Istart,&Iend));
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 1056 for (i=Istart;i<Iend;i++) PetscCall(MatSetValue(B,i,n-i-1,1.0,INSERT_VALUES));
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 96 PetscCall(MatAssemblyBegin(B,MAT_FINAL_ASSEMBLY));
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 96 PetscCall(MatAssemblyEnd(B,MAT_FINAL_ASSEMBLY));
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 96 PetscCall(MatCreateVecs(B,&t,NULL));
44
45 /* Create BV object X */
46
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 96 PetscCall(BVCreate(PETSC_COMM_WORLD,&X));
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 96 PetscCall(PetscObjectSetName((PetscObject)X,"X"));
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 96 PetscCall(BVSetSizesFromVec(X,t,k));
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 96 PetscCall(BVSetFromOptions(X));
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 96 PetscCall(BVSetMatrix(X,B,PETSC_TRUE));
51
52 /* Set up viewer */
53
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 96 PetscCall(PetscViewerASCIIGetStdout(PETSC_COMM_WORLD,&view));
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 96 if (verbose) PetscCall(PetscViewerPushFormat(view,PETSC_VIEWER_ASCII_MATLAB));
55
56 /* Fill X entries */
57 l = -3;
58
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 576 for (j=0;j<k;j++) {
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 480 PetscCall(BVGetColumn(X,j,&v));
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 480 PetscCall(VecSet(v,-1.0));
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 2880 for (i=0;i<n/2;i++) {
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 2400 if (i+j<n) {
63 2400 l = (l + 3*i+j-2) % n;
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 2400 PetscCall(VecSetValue(v,i+j,(PetscScalar)l,INSERT_VALUES));
65 }
66 }
67
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 480 PetscCall(VecAssemblyBegin(v));
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 480 PetscCall(VecAssemblyEnd(v));
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 480 PetscCall(BVRestoreColumn(X,j,&v));
70 }
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 96 if (verbose) {
72 ✗ PetscCall(MatView(B,view));
73 ✗ PetscCall(BVView(X,view));
74 }
75
76 /* Test BVNormColumn */
77
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 96 PetscCall(BVNormColumn(X,0,NORM_2,&nrm));
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 96 PetscCall(PetscPrintf(PETSC_COMM_WORLD,"B-Norm of X[0] = %g\n",(double)nrm));
79
80 /* Test BVOrthogonalizeColumn */
81
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 576 for (j=0;j<k;j++) {
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 480 PetscCall(BVOrthogonalizeColumn(X,j,NULL,&nrm,NULL));
83 480 alpha = 1.0/nrm;
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 480 PetscCall(BVScaleColumn(X,j,alpha));
85 }
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 96 if (verbose) PetscCall(BVView(X,view));
87
88 /* Create a copy on Y */
89
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 96 PetscCall(BVDuplicate(X,&Y));
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 96 PetscCall(PetscObjectSetName((PetscObject)Y,"Y"));
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 96 PetscCall(BVCopy(X,Y));
92
93 /* Check orthogonality */
94
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 96 PetscCall(MatCreateSeqDense(PETSC_COMM_SELF,k,k,NULL,&M));
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 96 PetscCall(BVDot(Y,Y,M));
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 96 PetscCall(VecCreateSeq(PETSC_COMM_SELF,k,&omega));
97
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 96 PetscCall(BVGetSignature(Y,omega));
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 96 PetscCall(VecScale(omega,-1.0));
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 96 PetscCall(MatDiagonalSet(M,omega,ADD_VALUES));
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 96 PetscCall(MatNorm(M,NORM_1,&nrm));
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 96 if (nrm<100*PETSC_MACHINE_EPSILON) PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Level of orthogonality < 100*eps\n"));
102 ✗ else PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Level of orthogonality: %g\n",(double)nrm));
103
104 /* Test BVSetSignature */
105
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 96 PetscCall(VecScale(omega,-1.0));
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 96 PetscCall(BVSetSignature(Y,omega));
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 96 PetscCall(VecDestroy(&omega));
108
109 /* Test BVApplyMatrix */
110
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 96 PetscCall(VecDuplicate(t,&w));
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 96 PetscCall(BVGetColumn(X,0,&v));
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 96 PetscCall(BVApplyMatrix(X,v,w));
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 96 PetscCall(BVApplyMatrix(X,w,t));
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 96 PetscCall(VecAXPY(t,-1.0,v));
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 96 PetscCall(BVRestoreColumn(X,0,&v));
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 96 PetscCall(VecNorm(t,NORM_2,&nrm));
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 96 PetscCheck(PetscAbsReal(nrm)<10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_FP,"Wrong value, nrm = %g",(double)nrm);
118
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 96 PetscCall(BVApplyMatrixBV(X,Y));
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 96 PetscCall(BVGetColumn(Y,0,&v));
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 96 PetscCall(VecAXPY(w,-1.0,v));
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 96 PetscCall(BVRestoreColumn(Y,0,&v));
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 96 PetscCall(VecNorm(w,NORM_2,&nrm));
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 96 PetscCheck(PetscAbsReal(nrm)<10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_FP,"Wrong value, nrm = %g",(double)nrm);
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 96 PetscCall(BVDestroy(&X));
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 96 PetscCall(BVDestroy(&Y));
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 96 PetscCall(MatDestroy(&M));
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 96 PetscCall(MatDestroy(&B));
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 96 PetscCall(VecDestroy(&w));
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 96 PetscCall(VecDestroy(&t));
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 96 PetscCall(SlepcFinalize());
133 return 0;
134 }
135
136 /*TEST
137
138 testset:
139 output_file: output/test5_1.out
140 args: -bv_orthog_refine always
141 test:
142 suffix: 1
143 args: -bv_type {{vecs contiguous svec mat}shared output}
144 test:
145 suffix: 1_cuda
146 args: -bv_type {{svec mat}} -mat_type aijcusparse
147 requires: cuda
148 test:
149 suffix: 1_hip
150 args: -bv_type {{svec mat}} -mat_type aijhipsparse
151 requires: hip
152 test:
153 suffix: 2
154 args: -bv_type {{vecs contiguous svec mat}shared output} -bv_orthog_type mgs
155 test:
156 suffix: 2_cuda
157 args: -bv_type {{svec mat}} -mat_type aijcusparse -bv_orthog_type mgs
158 requires: cuda
159 test:
160 suffix: 2_hip
161 args: -bv_type {{svec mat}} -mat_type aijhipsparse -bv_orthog_type mgs
162 requires: hip
163
164 TEST*/
165