70   Vec       x0; /* The initial particle positions at t = 0 */  member
118   const PetscReal x0     = X[0];  in trig_trig_x()  local
120   const PetscReal R0     = PetscSqrtReal(x0 * x0 + y0 * y0);  in trig_trig_x()
121   const PetscReal theta0 = PetscAtan2Real(y0, x0);  in trig_trig_x()
779   PetscCall(VecGetArrayRead(adv->x0, &xp0));  in ComputeParticleError()
784     PetscReal   x0[3];  in ComputeParticleError()  local
787     for (d = 0; d < dim; ++d) x0[d] = PetscRealPart(xp0[p * dim + d]);  in ComputeParticleError()
788     PetscCall(adv->exact(dim, time, x0, 1, x, param));  in ComputeParticleError()
791   PetscCall(VecRestoreArrayRead(adv->x0, &xp0));  in ComputeParticleError()
813   PetscCall(VecGetArrayRead(adv->x0, &xp0));  in MonitorParticleError()
817     PetscReal   x0[3];  in MonitorParticleError()  local
821     for (d = 0; d < dim; ++d) x0[d] = PetscRealPart(xp0[p * dim + d]);  in MonitorParticleError()
822     PetscCall(adv->exact(dim, time, x0, 1, x, param));  in MonitorParticleError()
826   PetscCall(VecRestoreArrayRead(adv->x0, &xp0));  in MonitorParticleError()
940   PetscCall(DMCreateGlobalVector(sdm, &adv.x0));  in main()
942   PetscCall(VecCopy(xtmp, adv.x0));  in main()
958   PetscCall(VecDestroy(&adv.x0));  in main()