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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 using internal buffer instead of array arguments.\n\n"; | ||
12 | |||
13 | #include <slepcbv.h> | ||
14 | |||
15 | 48 | int main(int argc,char **argv) | |
16 | { | ||
17 | 48 | Vec t,v,z; | |
18 | 48 | BV X; | |
19 | 48 | PetscInt i,j,n=10,k=5,l=3; | |
20 | 48 | PetscReal nrm; | |
21 | 48 | PetscViewer view; | |
22 | 48 | PetscBool verbose; | |
23 | |||
24 |
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48 | PetscFunctionBeginUser; |
25 |
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48 | PetscCall(SlepcInitialize(&argc,&argv,NULL,help)); |
26 |
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48 | PetscCall(PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL)); |
27 |
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48 | PetscCall(PetscOptionsGetInt(NULL,NULL,"-k",&k,NULL)); |
28 |
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48 | PetscCall(PetscOptionsGetInt(NULL,NULL,"-l",&l,NULL)); |
29 |
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48 | PetscCall(PetscOptionsHasName(NULL,NULL,"-verbose",&verbose)); |
30 |
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48 | PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Test BV with %" PetscInt_FMT " columns of dimension %" PetscInt_FMT ".\n",k,n)); |
31 | |||
32 | /* Create template vector */ | ||
33 |
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48 | PetscCall(VecCreate(PETSC_COMM_WORLD,&t)); |
34 |
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48 | PetscCall(VecSetSizes(t,PETSC_DECIDE,n)); |
35 |
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48 | PetscCall(VecSetFromOptions(t)); |
36 | |||
37 | /* Create BV object X */ | ||
38 |
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48 | PetscCall(BVCreate(PETSC_COMM_WORLD,&X)); |
39 |
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48 | PetscCall(PetscObjectSetName((PetscObject)X,"X")); |
40 |
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48 | PetscCall(BVSetSizesFromVec(X,t,k)); |
41 |
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48 | PetscCall(BVSetFromOptions(X)); |
42 | |||
43 | /* Set up viewer */ | ||
44 |
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48 | PetscCall(PetscViewerASCIIGetStdout(PETSC_COMM_WORLD,&view)); |
45 |
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48 | if (verbose) PetscCall(PetscViewerPushFormat(view,PETSC_VIEWER_ASCII_MATLAB)); |
46 | |||
47 | /* Fill X entries */ | ||
48 |
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288 | for (j=0;j<k;j++) { |
49 |
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240 | PetscCall(BVGetColumn(X,j,&v)); |
50 |
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240 | PetscCall(VecSet(v,0.0)); |
51 |
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1200 | for (i=0;i<4;i++) { |
52 |
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960 | if (i+j<n) PetscCall(VecSetValue(v,i+j,(PetscScalar)(3*i+j-2),INSERT_VALUES)); |
53 | } | ||
54 |
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240 | PetscCall(VecAssemblyBegin(v)); |
55 |
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240 | PetscCall(VecAssemblyEnd(v)); |
56 |
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240 | PetscCall(BVRestoreColumn(X,j,&v)); |
57 | } | ||
58 |
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48 | if (verbose) PetscCall(BVView(X,view)); |
59 | |||
60 | /* Test BVDotColumn */ | ||
61 |
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48 | PetscCall(BVDotColumn(X,2,NULL)); |
62 |
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48 | if (verbose) { |
63 | ✗ | PetscCall(PetscPrintf(PETSC_COMM_WORLD,"After BVDotColumn - - - - - - -\n")); | |
64 | ✗ | PetscCall(BVGetBufferVec(X,&z)); | |
65 | ✗ | PetscCall(VecView(z,view)); | |
66 | } | ||
67 | /* Test BVMultColumn */ | ||
68 |
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48 | PetscCall(BVMultColumn(X,-1.0,1.0,2,NULL)); |
69 |
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48 | if (verbose) { |
70 | ✗ | PetscCall(PetscPrintf(PETSC_COMM_WORLD,"After BVMultColumn - - - - - - - - -\n")); | |
71 | ✗ | PetscCall(BVView(X,view)); | |
72 | } | ||
73 | |||
74 |
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48 | PetscCall(BVNorm(X,NORM_FROBENIUS,&nrm)); |
75 |
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48 | PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Frobenius Norm or X = %g\n",(double)nrm)); |
76 | |||
77 |
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48 | PetscCall(BVDestroy(&X)); |
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48 | PetscCall(VecDestroy(&t)); |
79 |
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48 | PetscCall(SlepcFinalize()); |
80 | return 0; | ||
81 | } | ||
82 | |||
83 | /*TEST | ||
84 | |||
85 | testset: | ||
86 | output_file: output/test13_1.out | ||
87 | test: | ||
88 | suffix: 1 | ||
89 | args: -bv_type {{vecs contiguous svec mat}shared output} | ||
90 | test: | ||
91 | suffix: 1_cuda | ||
92 | args: -bv_type {{svec mat}} -vec_type cuda | ||
93 | requires: cuda | ||
94 | test: | ||
95 | suffix: 1_hip | ||
96 | args: -bv_type {{svec mat}} -vec_type hip | ||
97 | requires: hip | ||
98 | |||
99 | TEST*/ | ||
100 |