Actual source code: PetscVecNorm.c
1: /*$Id: PetscVecNorm.c,v 1.16 2001/08/29 20:59:36 balay Exp $*/
3: #include petscvec.h
7: int main(int argc,char **argv)
8: {
9: Vec x;
10: PetscReal norm;
11: PetscLogDouble t1,t2;
12: int ierr,n = 10000;
14: PetscInitialize(&argc,&argv,0,0);
15: PetscOptionsGetInt(PETSC_NULL,"-n",&n,PETSC_NULL);
17: VecCreate(PETSC_COMM_SELF,&x);
18: VecSetSizes(x,n,n);
19: VecSetFromOptions(x);
21: PreLoadBegin(PETSC_TRUE,"VecNorm");
22: PetscGetTime(&t1);
23: VecNorm(x,NORM_2,&norm);
24: VecNorm(x,NORM_2,&norm);
25: VecNorm(x,NORM_2,&norm);
26: VecNorm(x,NORM_2,&norm);
27: VecNorm(x,NORM_2,&norm);
28: VecNorm(x,NORM_2,&norm);
29: VecNorm(x,NORM_2,&norm);
30: VecNorm(x,NORM_2,&norm);
31: VecNorm(x,NORM_2,&norm);
32: VecNorm(x,NORM_2,&norm);
33: PreLoadEnd();
34: PetscGetTime(&t2);
37: fprintf(stdout,"%s : \n","VecNorm");
38: fprintf(stdout," Time %g\n",t2-t1);
40: PetscFinalize();
41: return(0);
42: }