xref: /petsc/src/sys/tests/ex29.c (revision f97672e55eacc8688507b9471cd7ec2664d7f203)
1 
2 static char help[] = "Tests PetscInt64Mult()\n";
3 
4 #include <petscsys.h>
5 
6 int main(int argc,char **argv)
7 {
8   PetscInt       a = 2009,b = 5612,result,tresult;
9   PetscInt64     r64;
10 
11   PetscCall(PetscInitialize(&argc,&argv,(char*)0,help));
12   PetscCall(PetscIntMultError(a,b,&result));
13   a       = PETSC_MPI_INT_MAX-22,b = PETSC_MPI_INT_MAX/22;
14   r64     = PetscInt64Mult(a,b);
15   tresult = PetscIntMultTruncate(a,b);
16   PetscCall(PetscIntMultError(a,b,&result));
17   PetscCall(PetscFinalize());
18   return 0;
19 }
20