filters.cu

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/*
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#include "filter_kernels.h"
#include <device/device_config.h>
#include <device/cuda/check.h>
#include <stdio.h>
#include <stdlib.h>
 
extern "C" {
 
  void cuda_smooth_step(void *x, real *edge0, real *edge1, int *n) {
    
      const dim3 nthrds(1024, 1, 1);
      const dim3 nblcks(((*n) + 1024 - 1) / 1024, 1, 1);
      const cudaStream_t stream = (cudaStream_t) glb_cmd_queue;
 
      smooth_step_kernel<real><<<nblcks, nthrds, 0, stream>>>(
          (real *)x, *edge0, *edge1, *n);
      CUDA_CHECK(cudaGetLastError());
  }
 
  void cuda_step_function(void *x, real *edge, real *left, real *right, int *n) {
      const dim3 nthrds(1024, 1, 1);
      const dim3 nblcks(((*n) + 1024 - 1) / 1024, 1, 1);
      const cudaStream_t stream = (cudaStream_t) glb_cmd_queue;
 
      step_kernel<real><<<nblcks, nthrds, 0, stream>>>(
          (real *)x, *edge, *left, *right, *n);
      CUDA_CHECK(cudaGetLastError());
  }
 
  void cuda_permeability(void *x, real *k_0, real *k_1, real *q, int *n) {
      const dim3 nthrds(1024, 1, 1);
      const dim3 nblcks(((*n) + 1024 - 1) / 1024, 1, 1);
      const cudaStream_t stream = (cudaStream_t) glb_cmd_queue;
 
      permeability_kernel<real><<<nblcks, nthrds, 0, stream>>>(
          (real *)x, *k_0, *k_1, *q, *n);
 
      CUDA_CHECK(cudaGetLastError());
  }
} /* extern "C" */