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

* Copyright (c) 2014, 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 <Array.hpp>

#include <err_opencl.hpp>

#include <kernel/fast.hpp>

#include <af/dim4.hpp>

#include <af/features.h>

using af::dim4;

using af::features;

namespace arrayfire {

namespace opencl {

template<typename T>

unsigned fast(Array<float> &x_out, Array<float> &y_out, Array<float> &score_out,

const Array<T> &in, const float thr, const unsigned arc_length,

const bool non_max, const float feature_ratio,

const unsigned edge) {

unsigned nfeat;

Param x;

Param y;

Param score;

kernel::fast<T>(arc_length, &nfeat, x, y, score, in, thr, feature_ratio,

edge, non_max);

if (nfeat > 0) {

x_out = createParamArray<float>(x, true);

y_out = createParamArray<float>(y, true);

score_out = createParamArray<float>(score, true);

}

return nfeat;

}

#define INSTANTIATE(T) \

template unsigned fast<T>( \

Array<float> & x_out, Array<float> & y_out, Array<float> & score_out, \

const Array<T> &in, const float thr, const unsigned arc_length, \

const bool nonmax, const float feature_ratio, const unsigned edge);

INSTANTIATE(float)

INSTANTIATE(double)

INSTANTIATE(char)

INSTANTIATE(int)

INSTANTIATE(uint)

INSTANTIATE(schar)

INSTANTIATE(uchar)

INSTANTIATE(short)

INSTANTIATE(ushort)

} // namespace opencl

} // namespace arrayfire