GCC Code Coverage Report


Directory: ./
File: src/sys/vec/tests/test1.c
Date: 2025-10-04 04:19:13
Exec Total Coverage
Lines: 176 176 100.0%
Functions: 1 1 100.0%
Branches: 620 988 62.8%

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 VecComp.\n\n";
12
13 #include <slepcsys.h>
14
15 30 int main(int argc,char **argv)
16 {
17 30 Vec v,w,x,y,vc,wc,xc,yc,vparent,vchild[2],vecs[2];
18 30 const Vec *varray;
19 30 PetscMPIInt size,rank;
20 30 PetscInt i,n,k,Nx[2];
21 30 PetscReal norm,normc,norm12[2],norm12c[2],vmax,vmin;
22 30 PetscScalar dot[2],dotc[2];
23
24
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30 PetscFunctionBeginUser;
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30 PetscCall(SlepcInitialize(&argc,&argv,NULL,help));
26
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30 PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD,&size));
27
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30 PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank));
28
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30 PetscCheck(size<=2,PETSC_COMM_WORLD,PETSC_ERR_WRONG_MPI_SIZE,"This test needs one or two processes");
29
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30 PetscCall(PetscPrintf(PETSC_COMM_WORLD,"VecComp test\n"));
30
31 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
32 Create standard vectors
33 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
34
35
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30 PetscCall(VecCreate(PETSC_COMM_WORLD,&v));
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30 PetscCall(VecSetSizes(v,8/size,8));
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30 PetscCall(VecSetFromOptions(v));
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30 if (!rank) {
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20 PetscCall(VecSetValue(v,0,2.0,INSERT_VALUES));
41
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20 PetscCall(VecSetValue(v,1,-1.0,INSERT_VALUES));
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20 PetscCall(VecSetValue(v,2,3.0,INSERT_VALUES));
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20 PetscCall(VecSetValue(v,3,3.5,INSERT_VALUES));
44 }
45
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30 if ((!rank && size==1) || (rank && size==2)) {
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20 PetscCall(VecSetValue(v,4,1.2,INSERT_VALUES));
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20 PetscCall(VecSetValue(v,5,1.8,INSERT_VALUES));
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20 PetscCall(VecSetValue(v,6,-2.2,INSERT_VALUES));
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20 PetscCall(VecSetValue(v,7,2.0,INSERT_VALUES));
50 }
51
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30 PetscCall(VecAssemblyBegin(v));
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30 PetscCall(VecAssemblyEnd(v));
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30 PetscCall(VecDuplicate(v,&w));
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30 PetscCall(VecSet(w,1.0));
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30 PetscCall(VecDuplicate(v,&x));
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30 PetscCall(VecDuplicate(v,&y));
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30 if (!rank) PetscCall(VecSetValue(y,0,1.0,INSERT_VALUES));
58
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30 PetscCall(VecAssemblyBegin(y));
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30 PetscCall(VecAssemblyEnd(y));
60
61 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
62 Create veccomp vectors
63 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
64
65
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30 PetscCall(VecCreate(PETSC_COMM_WORLD,&vparent));
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30 PetscCall(VecSetSizes(vparent,4/size,4));
67
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30 PetscCall(VecSetFromOptions(vparent));
68
69 /* create a veccomp vector with two subvectors */
70
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30 PetscCall(VecDuplicate(vparent,&vchild[0]));
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30 PetscCall(VecDuplicate(vparent,&vchild[1]));
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30 if (!rank) {
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20 PetscCall(VecSetValue(vchild[0],0,2.0,INSERT_VALUES));
74
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20 PetscCall(VecSetValue(vchild[0],1,-1.0,INSERT_VALUES));
75
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20 PetscCall(VecSetValue(vchild[1],0,1.2,INSERT_VALUES));
76
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20 PetscCall(VecSetValue(vchild[1],1,1.8,INSERT_VALUES));
77 }
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30 if ((!rank && size==1) || (rank && size==2)) {
79
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20 PetscCall(VecSetValue(vchild[0],2,3.0,INSERT_VALUES));
80
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20 PetscCall(VecSetValue(vchild[0],3,3.5,INSERT_VALUES));
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20 PetscCall(VecSetValue(vchild[1],2,-2.2,INSERT_VALUES));
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20 PetscCall(VecSetValue(vchild[1],3,2.0,INSERT_VALUES));
83 }
84
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30 PetscCall(VecAssemblyBegin(vchild[0]));
85
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30 PetscCall(VecAssemblyBegin(vchild[1]));
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30 PetscCall(VecAssemblyEnd(vchild[0]));
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30 PetscCall(VecAssemblyEnd(vchild[1]));
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30 PetscCall(VecCreateCompWithVecs(vchild,2,vparent,&vc));
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30 PetscCall(VecDestroy(&vchild[0]));
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30 PetscCall(VecDestroy(&vchild[1]));
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30 PetscCall(VecView(vc,NULL));
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30 PetscCall(VecGetSize(vc,&k));
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30 PetscCheck(k==8,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Vector global length should be 8");
95
96 /* create an empty veccomp vector with two subvectors */
97 30 Nx[0] = 4;
98 30 Nx[1] = 4;
99
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30 PetscCall(VecCreateComp(PETSC_COMM_WORLD,Nx,2,VECSTANDARD,vparent,&wc));
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30 PetscCall(VecCompGetSubVecs(wc,&n,&varray));
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30 PetscCheck(n==2,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"n should be 2");
102
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90 for (i=0;i<2;i++) PetscCall(VecSet(varray[i],1.0));
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30 PetscCall(VecGetSize(wc,&k));
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30 PetscCheck(k==8,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Vector global length should be 8");
106
107 /* duplicate a veccomp */
108
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30 PetscCall(VecDuplicate(vc,&xc));
109
110 /* create a veccomp via VecSetType */
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30 PetscCall(VecCreate(PETSC_COMM_WORLD,&yc));
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30 PetscCall(VecSetType(yc,VECCOMP));
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30 PetscCall(VecSetSizes(yc,8/size,8));
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30 PetscCall(VecCompSetSubVecs(yc,2,NULL));
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30 PetscCall(VecCompGetSubVecs(yc,&n,&varray));
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30 PetscCheck(n==2,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"n should be 2");
118
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30 if (!rank) PetscCall(VecSetValue(varray[0],0,1.0,INSERT_VALUES));
119
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30 PetscCall(VecAssemblyBegin(varray[0]));
120
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30 PetscCall(VecAssemblyEnd(varray[0]));
121
122 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
123 Operate with vectors
124 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
125
126
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30 PetscCall(VecCopy(w,x));
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30 PetscCall(VecAXPBY(x,1.0,-2.0,v));
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30 PetscCall(VecNorm(x,NORM_2,&norm));
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30 PetscCall(VecCopy(wc,xc));
130
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30 PetscCall(VecAXPBY(xc,1.0,-2.0,vc));
131
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30 PetscCall(VecNorm(xc,NORM_2,&normc));
132
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30 PetscCheck(PetscAbsReal(norm-normc)<10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Norms are different");
133
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30 PetscCall(VecCopy(w,x));
135
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30 PetscCall(VecWAXPY(x,-2.0,w,v));
136
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30 PetscCall(VecNorm(x,NORM_2,&norm));
137
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30 PetscCall(VecCopy(wc,xc));
138
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30 PetscCall(VecWAXPY(xc,-2.0,wc,vc));
139
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30 PetscCall(VecNorm(xc,NORM_2,&normc));
140
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30 PetscCheck(PetscAbsReal(norm-normc)<10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Norms are different");
141
142
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30 PetscCall(VecAXPBYPCZ(y,3.0,-1.0,1.0,w,v));
143
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30 PetscCall(VecNorm(y,NORM_2,&norm));
144
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30 PetscCall(VecAXPBYPCZ(yc,3.0,-1.0,1.0,wc,vc));
145
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30 PetscCall(VecNorm(yc,NORM_2,&normc));
146
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30 PetscCheck(PetscAbsReal(norm-normc)<10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Norms are different");
147
148
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30 PetscCall(VecMax(xc,NULL,&vmax));
149
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30 PetscCall(VecMin(xc,NULL,&vmin));
150
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30 PetscCall(PetscPrintf(PETSC_COMM_WORLD,"xc has max value %g min value %g\n",(double)vmax,(double)vmin));
151
152
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30 PetscCall(VecMaxPointwiseDivide(wc,xc,&vmax));
153
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30 PetscCall(PetscPrintf(PETSC_COMM_WORLD,"wc/xc has max value %g\n",(double)vmax));
154
155
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30 PetscCall(VecDot(x,y,&dot[0]));
156
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30 PetscCall(VecDot(xc,yc,&dotc[0]));
157
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30 PetscCheck(PetscAbsScalar(dot[0]-dotc[0])<10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Dots are different");
158
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30 PetscCall(VecTDot(x,y,&dot[0]));
159
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30 PetscCall(VecTDot(xc,yc,&dotc[0]));
160
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30 PetscCheck(PetscAbsScalar(dot[0]-dotc[0])<10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Dots are different");
161
162 30 vecs[0] = w; vecs[1] = y;
163
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30 PetscCall(VecMDot(x,2,vecs,dot));
164 30 vecs[0] = wc; vecs[1] = yc;
165
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30 PetscCall(VecMDot(xc,2,vecs,dotc));
166
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30 PetscCheck(PetscAbsScalar(dot[0]-dotc[0])<10*PETSC_MACHINE_EPSILON || PetscAbsScalar(dot[1]-dotc[1])>10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Dots are different");
167 30 vecs[0] = w; vecs[1] = y;
168
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30 PetscCall(VecMTDot(x,2,vecs,dot));
169 30 vecs[0] = wc; vecs[1] = yc;
170
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30 PetscCall(VecMTDot(xc,2,vecs,dotc));
171
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30 PetscCheck(PetscAbsScalar(dot[0]-dotc[0])<10*PETSC_MACHINE_EPSILON || PetscAbsScalar(dot[1]-dotc[1])>10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Dots are different");
172
173
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30 PetscCall(VecDotNorm2(x,y,&dot[0],&norm));
174
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30 PetscCall(VecDotNorm2(xc,yc,&dotc[0],&normc));
175
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30 PetscCheck(PetscAbsScalar(dot[0]-dotc[0])<10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Dots are different");
176
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30 PetscCheck(PetscAbsReal(norm-normc)<100*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Norms are different");
177
178
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30 PetscCall(VecAbs(w));
179
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30 PetscCall(VecAbs(wc));
180
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30 PetscCall(VecConjugate(x));
181
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30 PetscCall(VecConjugate(xc));
182
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30 PetscCall(VecShift(y,0.5));
183
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30 PetscCall(VecShift(yc,0.5));
184
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30 PetscCall(VecReciprocal(y));
185
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30 PetscCall(VecReciprocal(yc));
186
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30 PetscCall(VecExp(y));
187
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30 PetscCall(VecExp(yc));
188
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30 PetscCall(VecLog(y));
189
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30 PetscCall(VecLog(yc));
190
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30 PetscCall(VecNorm(y,NORM_1,&norm));
191
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30 PetscCall(VecNorm(yc,NORM_1,&normc));
192
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30 PetscCheck(PetscAbsReal(norm-normc)<10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Norms are different");
193
194
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30 PetscCall(VecPointwiseMult(w,x,y));
195
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30 PetscCall(VecPointwiseMult(wc,xc,yc));
196
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30 PetscCall(VecNorm(w,NORM_INFINITY,&norm));
197
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30 PetscCall(VecNorm(wc,NORM_INFINITY,&normc));
198
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30 PetscCheck(PetscAbsReal(norm-normc)<10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Norms are different");
199
200
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30 PetscCall(VecPointwiseMax(w,x,y));
201
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30 PetscCall(VecPointwiseMax(wc,xc,yc));
202
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30 PetscCall(VecNorm(w,NORM_INFINITY,&norm));
203
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30 PetscCall(VecNorm(wc,NORM_INFINITY,&normc));
204
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30 PetscCheck(PetscAbsReal(norm-normc)<10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Norms are different");
205
206
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30 PetscCall(VecSwap(x,y));
207
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30 PetscCall(VecSwap(xc,yc));
208
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30 PetscCall(VecPointwiseDivide(w,x,y));
209
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30 PetscCall(VecPointwiseDivide(wc,xc,yc));
210
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30 PetscCall(VecScale(w,0.3));
211
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30 PetscCall(VecScale(wc,0.3));
212
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30 PetscCall(VecSqrtAbs(w));
213
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30 PetscCall(VecSqrtAbs(wc));
214
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30 PetscCall(VecNorm(w,NORM_1_AND_2,norm12));
215
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30 PetscCall(VecNorm(wc,NORM_1_AND_2,norm12c));
216
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30 PetscCheck(PetscAbsReal(norm12[0]-norm12c[0])<10*PETSC_MACHINE_EPSILON || PetscAbsReal(norm12[1]-norm12c[1])>10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Norms are different");
217
218
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30 PetscCall(VecPointwiseMin(w,x,y));
219
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30 PetscCall(VecPointwiseMin(wc,xc,yc));
220
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30 PetscCall(VecPointwiseMaxAbs(x,y,w));
221
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30 PetscCall(VecPointwiseMaxAbs(xc,yc,wc));
222
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30 PetscCall(VecNorm(x,NORM_INFINITY,&norm));
223
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30 PetscCall(VecNorm(xc,NORM_INFINITY,&normc));
224
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30 PetscCheck(PetscAbsReal(norm-normc)<10*PETSC_MACHINE_EPSILON,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Norms are different");
225
226
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30 PetscCall(VecSetRandom(wc,NULL));
227
228
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30 PetscCall(VecDestroy(&v));
229
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30 PetscCall(VecDestroy(&w));
230
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30 PetscCall(VecDestroy(&x));
231
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30 PetscCall(VecDestroy(&y));
232
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30 PetscCall(VecDestroy(&vparent));
233
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30 PetscCall(VecDestroy(&vc));
234
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30 PetscCall(VecDestroy(&wc));
235
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30 PetscCall(VecDestroy(&xc));
236
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30 PetscCall(VecDestroy(&yc));
237
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30 PetscCall(SlepcFinalize());
238 return 0;
239 }
240
241 /*TEST
242
243 test:
244 suffix: 1
245
246 test:
247 suffix: 2
248 nsize: 2
249
250 TEST*/
251