#include "searchsorted_cuda_wrapper.h"

// C++ interface

#define CHECK_CUDA(x) AT_ASSERTM(x.type().is_cuda(), #x " must be a CUDA tensor")
#define CHECK_CONTIGUOUS(x) AT_ASSERTM(x.is_contiguous(), #x " must be contiguous")
#define CHECK_INPUT(x) CHECK_CUDA(x); CHECK_CONTIGUOUS(x)

void searchsorted_cuda_wrapper(at::Tensor a, at::Tensor v, at::Tensor res, bool side_left)
{
  CHECK_INPUT(a);
  CHECK_INPUT(v);
  CHECK_INPUT(res);

  searchsorted_cuda(a, v, res, side_left);
}

PYBIND11_MODULE(TORCH_EXTENSION_NAME, m) {
  m.def("searchsorted_cuda_wrapper", &searchsorted_cuda_wrapper, "searchsorted (CUDA)");
}