1*c4762a1bSJed Brown 2*c4762a1bSJed Brown static char help[] = "Tests PetscInt64Mult()\n"; 3*c4762a1bSJed Brown 4*c4762a1bSJed Brown #include <petscsys.h> 5*c4762a1bSJed Brown 6*c4762a1bSJed Brown int main(int argc,char **argv) 7*c4762a1bSJed Brown { 8*c4762a1bSJed Brown PetscErrorCode ierr; 9*c4762a1bSJed Brown PetscInt a = 2009,b = 5612,result,tresult; 10*c4762a1bSJed Brown PetscInt64 r64; 11*c4762a1bSJed Brown 12*c4762a1bSJed Brown ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 13*c4762a1bSJed Brown ierr = PetscIntMultError(a,b,&result);CHKERRQ(ierr); 14*c4762a1bSJed Brown a = PETSC_MPI_INT_MAX-22,b = PETSC_MPI_INT_MAX/22; 15*c4762a1bSJed Brown r64 = PetscInt64Mult(a,b); 16*c4762a1bSJed Brown tresult = PetscIntMultTruncate(a,b); 17*c4762a1bSJed Brown ierr = PetscIntMultError(a,b,&result);CHKERRQ(ierr); 18*c4762a1bSJed Brown ierr = ierr = PetscFinalize(); 19*c4762a1bSJed Brown return ierr; 20*c4762a1bSJed Brown } 21*c4762a1bSJed Brown 22