lpt_wall_collision.cu

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#include <device/device_config.h>
#include <device/cuda/check.h>
#include <lpt/bcknd/device/cuda/lpt_wall_collision_kernel.h>
 
extern "C" {
 
  void cuda_lpt_handle_elastic_wall_collisions(
      void *wall_facet_mask, void *el_list,
      void *x_old, void *y_old, void *z_old,
      void *x, void *y, void *z,
      void *d, void *u, void *v, void *w,
      void *u_lag, void *v_lag, void *w_lag,
      void *u_laglag, void *v_laglag, void *w_laglag,
      void *acc_xlag, void *acc_ylag, void *acc_zlag,
      void *acc_xlaglag, void *acc_ylaglag, void *acc_zlaglag,
      void *u_old, void *v_old, void *w_old,
      void *acc_x, void *acc_y, void *acc_z,
      void *dm_x, void *dm_y, void *dm_z,
      void *nx, void *ny, void *nz,
      int *n, int *gdim, int *nelv,
      int *lx, int *ly, int *lz, int *lag_len, cudaStream_t strm) {
 
    if (*n <= 0) {
      return;
    }
 
    const dim3 nthrds(256, 1, 1);
    const dim3 nblcks(((*n) + 256 - 1) / 256, 1, 1);
 
    lpt_handle_elastic_wall_collisions_kernel<real>
      <<<nblcks, nthrds, 0, strm>>>(
          (int *) wall_facet_mask, (int *) el_list,
          (real *) x_old, (real *) y_old, (real *) z_old,
          (real *) x, (real *) y, (real *) z,
          (real *) d, (real *) u, (real *) v, (real *) w,
          (real *) u_lag, (real *) v_lag, (real *) w_lag,
          (real *) u_laglag, (real *) v_laglag, (real *) w_laglag,
          (real *) acc_xlag, (real *) acc_ylag, (real *) acc_zlag,
          (real *) acc_xlaglag, (real *) acc_ylaglag, (real *) acc_zlaglag,
          (real *) u_old, (real *) v_old, (real *) w_old,
          (real *) acc_x, (real *) acc_y, (real *) acc_z,
          (real *) dm_x, (real *) dm_y, (real *) dm_z,
          (real *) nx, (real *) ny, (real *) nz,
          *n, *gdim, *nelv, *lx, *ly, *lz, *lag_len);
    CUDA_CHECK(cudaGetLastError());
  }
 
}