quadgrid_config.h

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#ifndef QUADGRID_CONFIG_H
#define QUADGRID_CONFIG_H
 
#ifdef USE_MPI_H
#include <mpi.h>
#else
#define MPI_Comm int
#define MPI_COMM_WORLD 1
#define MPI_Initialized(x)
#define MPI_Comm_size(x, y) { *y = 0; }
#define MPI_Comm_rank(x, y) { *y = 0; }
#endif
 
#ifdef USE_THRUST
#include <thrust/device_vector.h>
#include <thrust/execution_policy.h>
#include <thrust/host_vector.h>
#include <thrust/copy.h>
#include <thrust/iterator/counting_iterator.h>
#include <thrust/transform.h>
#include <thrust/fill.h>
#include <thrust/functional.h>
#define DEVICE  __device__
#define HOST  __host__
#define vector_t  thrust::host_vector
#define device_vector_t  thrust::device_vector
#define algorithm_namespace thrust
#define device_exec_policy thrust::device
#define host_exec_policy thrust::host
 
#ifdef THRUST_CPU
#include <atomicAdd.h>
#endif
 
#else
#include <functional>
#include <algorithm>
#include <atomicAdd.h>
#include <vector>
#include <execution>
#define DEVICE  
#define HOST  
#define vector_t std::vector
#define device_vector_t std::vector
#define algorithm_namespace std
#define device_exec_policy std::execution::par_unseq
#endif
using real_t = double;
 
#endif