Save Z4C CUDA optimization progress

AMSS_NCKU_source/z4c_rhs_cuda.h

@@ -133,6 +133,14 @@ int z4c_cuda_upload_state_subset(void *block_tag,
                                  const int *state_indices,
                                  double **state_host_in);
 
+int z4c_cuda_compute_constraints_resident(void *block_tag,
+                                          int *ex, double *X, double *Y, double *Z,
+                                          int Symmetry, double eps, int co,
+                                          double **constraint_host_out);
+
+int z4c_cuda_download_constraint_outputs(int *ex,
+                                         double **constraint_host_out);
+
 int z4c_cuda_has_resident_state(void *block_tag);
 
 void z4c_cuda_release_step_ctx(void *block_tag);