/*******************************************************

* Copyright (c) 2022, ArrayFire

* All rights reserved.

*

* This file is distributed under 3-clause BSD license.

* The complete license agreement can be obtained at:

* http://arrayfire.com/licenses/BSD-3-Clause

********************************************************/

#include <approx.hpp>

#include <err_oneapi.hpp>

#include <kernel/approx1.hpp>

namespace arrayfire {

namespace oneapi {

template<typename Ty, typename Tp>

void approx1(Array<Ty> &yo, const Array<Ty> &yi, const Array<Tp> &xo,

const int xdim, const Tp &xi_beg, const Tp &xi_step,

const af_interp_type method, const float offGrid) {

switch (method) {

case AF_INTERP_NEAREST:

case AF_INTERP_LOWER:

kernel::approx1<Ty, Tp, 1>(yo, yi, xo, xdim, xi_beg, xi_step,

offGrid, method);

break;

case AF_INTERP_LINEAR:

case AF_INTERP_LINEAR_COSINE:

kernel::approx1<Ty, Tp, 2>(yo, yi, xo, xdim, xi_beg, xi_step,

offGrid, method);

break;

case AF_INTERP_CUBIC:

case AF_INTERP_CUBIC_SPLINE:

kernel::approx1<Ty, Tp, 3>(yo, yi, xo, xdim, xi_beg, xi_step,

offGrid, method);

break;

default: break;

}

}

#define INSTANTIATE(Ty, Tp) \

template void approx1<Ty, Tp>( \

Array<Ty> & yo, const Array<Ty> &yi, const Array<Tp> &xo, \

const int xdim, const Tp &xi_beg, const Tp &xi_step, \

const af_interp_type method, const float offGrid);

INSTANTIATE(float, float)

INSTANTIATE(double, double)

INSTANTIATE(cfloat, float)

INSTANTIATE(cdouble, double)

} // namespace oneapi

} // namespace arrayfire