xref: /petsc/src/sys/tests/ex29.c (revision 5f80ce2ab25dff0f4601e710601cbbcecf323266)
1c4762a1bSJed Brown 
2c4762a1bSJed Brown static char help[] = "Tests PetscInt64Mult()\n";
3c4762a1bSJed Brown 
4c4762a1bSJed Brown #include <petscsys.h>
5c4762a1bSJed Brown 
6c4762a1bSJed Brown int main(int argc,char **argv)
7c4762a1bSJed Brown {
8c4762a1bSJed Brown   PetscErrorCode ierr;
9c4762a1bSJed Brown   PetscInt       a = 2009,b = 5612,result,tresult;
10c4762a1bSJed Brown   PetscInt64     r64;
11c4762a1bSJed Brown 
12c4762a1bSJed Brown   ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
13*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscIntMultError(a,b,&result));
14c4762a1bSJed Brown   a       = PETSC_MPI_INT_MAX-22,b = PETSC_MPI_INT_MAX/22;
15c4762a1bSJed Brown   r64     = PetscInt64Mult(a,b);
16c4762a1bSJed Brown   tresult = PetscIntMultTruncate(a,b);
17*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscIntMultError(a,b,&result));
18c4762a1bSJed Brown   ierr    = ierr = PetscFinalize();
19c4762a1bSJed Brown   return ierr;
20c4762a1bSJed Brown }
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