functional.hpp

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*  Author: Anatoly Baskeheev, Itseez Ltd, (myname.mysurname@mycompany.com)
*/
 
 
#ifndef PCL_DEVICE_FUNCTIONAL_HPP_
#define PCL_DEVICE_FUNCTIONAL_HPP_
 
#include <thrust/functional.h>
#include <cuda.h>
 
namespace pcl
{
    namespace device
    {
 
        // Arithmetic Operations
 
        using thrust::plus;
        using thrust::minus;
        using thrust::multiplies;
        using thrust::divides;
        using thrust::modulus;
        using thrust::negate;
 
        // Comparison Operations
 
        using thrust::equal_to;
        using thrust::not_equal_to;
        using thrust::greater;
        using thrust::less;
        using thrust::greater_equal;
        using thrust::less_equal;
 
        // Logical Operations
 
        using thrust::logical_and;
        using thrust::logical_or;
        using thrust::logical_not;
 
        // Bitwise Operations
 
        using thrust::bit_and;
        using thrust::bit_or;
        using thrust::bit_xor;
 
        template <typename T> struct bit_not
        {
            typedef T argument_type;
            typedef T result_type;
            __forceinline__ __device__ T operator ()(const T& v) const {return ~v;}
        };
 
        // Generalized Identity Operations
 
        #if CUDA_VERSION >= 13000
        using cuda::std::identity;
        #else
        using thrust::identity;
        #endif
        using thrust::project1st;
        using thrust::project2nd;
 
 
        // Other functors
 
        template<typename T, typename W>
        struct plusWeighted : public plus<T>
        {
            W w;
            __device__ __host__ __forceinline__ plusWeighted(W weight) : w(weight) {}                
            __device__ __host__ __forceinline__ float operator()(const T& f1, const T& f2) const 
            {
                return f1 + f2 * w;
            }
        };
    }
};
 
 
#endif /* PCL_DEVICE_FUNCTIONAL_HPP_ */