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/*******************************************************
* 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 <gtest/gtest.h>
#include <arrayfire.h>
#include <af/dim4.hpp>
#include <af/defines.h>
#include <af/traits.hpp>
#include <vector>
#include <iostream>
#include <complex>
#include <string>
#include <testHelpers.hpp>
using std::vector;
using std::string;
using std::cout;
using std::endl;
using af::cfloat;
using af::cdouble;
template<typename T>
class Grad : public ::testing::Test
{
public:
virtual void SetUp() {
subMat0.push_back(af_make_seq(0, 4, 1));
subMat0.push_back(af_make_seq(2, 6, 1));
subMat0.push_back(af_make_seq(0, 2, 1));
}
vector<af_seq> subMat0;
};
// create a list of types to be tested
typedef ::testing::Types<float, double, cfloat, cdouble> TestTypes;
// register the type list
TYPED_TEST_CASE(Grad, TestTypes);
template<typename T>
void gradTest(string pTestFile, const unsigned resultIdx0, const unsigned resultIdx1, bool isSubRef = false, const vector<af_seq> * seqv = NULL)
{
if (noDoubleTests<T>()) return;
vector<af::dim4> numDims;
vector<vector<T> > in;
vector<vector<T> > tests;
readTests<T, T, float>(pTestFile,numDims,in,tests);
af::dim4 idims = numDims[0];
af_array inArray = 0;
af_array tempArray = 0;
af_array g0Array = 0;
af_array g1Array = 0;
if (isSubRef) {
ASSERT_EQ(AF_SUCCESS, af_create_array(&tempArray, &(in[0].front()), idims.ndims(), idims.get(), (af_dtype) af::dtype_traits<T>::af_type));
ASSERT_EQ(AF_SUCCESS, af_index(&inArray, tempArray, seqv->size(), &seqv->front()));
} else {
ASSERT_EQ(AF_SUCCESS, af_create_array(&inArray, &(in[0].front()), idims.ndims(), idims.get(), (af_dtype) af::dtype_traits<T>::af_type));
}
ASSERT_EQ(AF_SUCCESS, af_gradient(&g0Array, &g1Array, inArray));
size_t nElems = tests[resultIdx0].size();
// Get result
T* grad0Data = new T[tests[resultIdx0].size()];
ASSERT_EQ(AF_SUCCESS, af_get_data_ptr((void*)grad0Data, g0Array));
// Compare result
for (size_t elIter = 0; elIter < nElems; ++elIter) {
ASSERT_EQ(tests[resultIdx0][elIter], grad0Data[elIter]) << "at: " << elIter << std::endl;
}
// Get result
T* grad1Data = new T[tests[resultIdx1].size()];
ASSERT_EQ(AF_SUCCESS, af_get_data_ptr((void*)grad1Data, g1Array));
// Compare result
for (size_t elIter = 0; elIter < nElems; ++elIter) {
ASSERT_EQ(tests[resultIdx1][elIter], grad1Data[elIter]) << "at: " << elIter << std::endl;
}
// Delete
delete[] grad0Data;
delete[] grad1Data;
if(inArray != 0) af_release_array(inArray);
if(g0Array != 0) af_release_array(g0Array);
if(g1Array != 0) af_release_array(g1Array);
if(tempArray != 0) af_release_array(tempArray);
}
#define GRAD_INIT(desc, file, resultIdx0, resultIdx1) \
TYPED_TEST(Grad, desc) \
{ \
gradTest<TypeParam>(string(TEST_DIR"/grad/"#file".test"), resultIdx0, resultIdx1); \
}
GRAD_INIT(Grad0, grad, 0, 1);
GRAD_INIT(Grad1, grad2D, 0, 1);
GRAD_INIT(Grad2, grad3D, 0, 1);
/////////////////////////////////////// CPP ///////////////////////////////////////////
//
TEST(Grad, CPP)
{
if (noDoubleTests<float>()) return;
const unsigned resultIdx0 = 0;
const unsigned resultIdx1 = 1;
vector<af::dim4> numDims;
vector<vector<float> > in;
vector<vector<float> > tests;
readTests<float, float, float>(string(TEST_DIR"/grad/grad3D.test"),numDims,in,tests);
af::dim4 idims = numDims[0];
af::array input(idims, &(in[0].front()));
af::array g0, g1;
af::grad(g0, g1, input);
size_t nElems = tests[resultIdx0].size();
// Get result
float* grad0Data = new float[tests[resultIdx0].size()];
g0.host((void*)grad0Data);
// Compare result
for (size_t elIter = 0; elIter < nElems; ++elIter) {
ASSERT_EQ(tests[resultIdx0][elIter], grad0Data[elIter]) << "at: " << elIter << std::endl;
}
// Get result
float* grad1Data = new float[tests[resultIdx1].size()];
g1.host((void*)grad1Data);
// Compare result
for (size_t elIter = 0; elIter < nElems; ++elIter) {
ASSERT_EQ(tests[resultIdx1][elIter], grad1Data[elIter]) << "at: " << elIter << std::endl;
}
// Delete
delete[] grad0Data;
delete[] grad1Data;
}
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