/*******************************************************
 * Copyright (c) 2015, 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 
#include 
#include 
#include 
#include 
#include 
#include 

using af::dim4;
using std::endl;
using std::string;
using std::vector;

template
class GaussianKernel : public ::testing::Test {
   public:
    virtual void SetUp() {}
};

// create a list of types to be tested
typedef ::testing::Types TestTypes;

// register the type list
TYPED_TEST_SUITE(GaussianKernel, TestTypes);

template
void gaussianKernelTest(string pFileName, double sigma) {
    SUPPORTED_TYPE_CHECK(T);

    vector numDims;
    vector in;
    vector tests;

    readTestsFromFile(pFileName, numDims, in, tests);

    af_array outArray = 0;

    vector input(in[0].begin(), in[0].end());

    ASSERT_SUCCESS(
        af_gaussian_kernel(&outArray, input[0], input[1], sigma, sigma));

    dim_t outElems = 0;
    ASSERT_SUCCESS(af_get_elements(&outElems, outArray));
    T *outData = new T[outElems];

    ASSERT_SUCCESS(af_get_data_ptr((void *)outData, outArray));

    vector currGoldBar(tests[0].begin(), tests[0].end());
    size_t nElems = currGoldBar.size();

    ASSERT_EQ(outElems, (dim_t)nElems);

    for (size_t elIter = 0; elIter < nElems; ++elIter) {
        ASSERT_NEAR(currGoldBar[elIter], outData[elIter], 1.0e-3)