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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/traits.hpp>
#include <vector>
#include <iostream>
#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 Diff2 : public ::testing::Test
{
public:
virtual void SetUp() {
subMat0.push_back(af_make_seq(0, 4, 1));
subMat0.push_back(af_make_seq(0, 2, 1));
subMat0.push_back(af_make_seq(0, 1, 1));
subMat1.push_back(af_make_seq(1, 4, 1));
subMat1.push_back(af_make_seq(0, 2, 1));
subMat1.push_back(af_make_seq(0, 1, 1));
subMat2.push_back(af_make_seq(1, 4, 1));
subMat2.push_back(af_make_seq(0, 3, 1));
subMat2.push_back(af_make_seq(0, 2, 1));
}
vector<af_seq> subMat0;
vector<af_seq> subMat1;
vector<af_seq> subMat2;
};
// create a list of types to be tested
typedef ::testing::Types<float, cfloat, double, cdouble, int, unsigned, intl, uintl, char, unsigned char, short, ushort> TestTypes;
// register the type list
TYPED_TEST_CASE(Diff2, TestTypes);
template<typename T>
void diff2Test(string pTestFile, unsigned dim, 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,int>(pTestFile,numDims,in,tests);
af::dim4 dims = numDims[0];
T *outData;
af_array inArray = 0;
af_array outArray = 0;
af_array tempArray = 0;
// Get input array
if (isSubRef) {
ASSERT_EQ(AF_SUCCESS, af_create_array(&tempArray, &(in[0].front()), dims.ndims(), dims.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()), dims.ndims(), dims.get(), (af_dtype) af::dtype_traits<T>::af_type));
}
// Run diff2
ASSERT_EQ(AF_SUCCESS, af_diff2(&outArray, inArray, dim));
// Get result
outData = new T[dims.elements()];
ASSERT_EQ(AF_SUCCESS, af_get_data_ptr((void*)outData, outArray));
// Compare result
for (size_t testIter = 0; testIter < tests.size(); ++testIter) {
vector<T> currGoldBar = tests[testIter];
size_t nElems = currGoldBar.size();
for (size_t elIter = 0; elIter < nElems; ++elIter) {
ASSERT_EQ(currGoldBar[elIter], outData[elIter]) << "at: " << elIter << std::endl;
}
}
// Delete
delete[] outData;
if(inArray != 0) af_release_array(inArray);
if(outArray != 0) af_release_array(outArray);
if(tempArray != 0) af_release_array(tempArray);
}
TYPED_TEST(Diff2,Vector0)
{
diff2Test<TypeParam>(string(TEST_DIR"/diff2/vector0.test"), 0);
}
TYPED_TEST(Diff2,Matrix0)
{
diff2Test<TypeParam>(string(TEST_DIR"/diff2/matrix0.test"), 0);
}
TYPED_TEST(Diff2,Matrix1)
{
diff2Test<TypeParam>(string(TEST_DIR"/diff2/matrix1.test"), 1);
}
// Diff on 0 dimension
TYPED_TEST(Diff2,Basic0)
{
diff2Test<TypeParam>(string(TEST_DIR"/diff2/basic0.test"), 0);
}
// Diff on 1 dimension
TYPED_TEST(Diff2,Basic1)
{
diff2Test<TypeParam>(string(TEST_DIR"/diff2/basic1.test"), 1);
}
// Diff on 2 dimension
TYPED_TEST(Diff2,Basic2)
{
diff2Test<TypeParam>(string(TEST_DIR"/diff2/basic2.test"), 2);
}
TYPED_TEST(Diff2,Subref0)
{
diff2Test<TypeParam>(string(TEST_DIR"/diff2/subref0.test"), 0,true,&(this->subMat0));
}
TYPED_TEST(Diff2,Subref1)
{
diff2Test<TypeParam>(string(TEST_DIR"/diff2/subref1.test"), 1,true,&(this->subMat1));
}
TYPED_TEST(Diff2,Subref2)
{
diff2Test<TypeParam>(string(TEST_DIR"/diff2/subref2.test"), 2,true,&(this->subMat2));
}
template<typename T>
void diff2ArgsTest(string pTestFile)
{
if (noDoubleTests<T>()) return;
vector<af::dim4> numDims;
vector<vector<T> > in;
vector<vector<T> > tests;
readTests<T,T,int>(pTestFile,numDims,in,tests);
af::dim4 dims = numDims[0];
af_array inArray = 0;
af_array outArray = 0;
ASSERT_EQ(AF_SUCCESS, af_create_array(&inArray, &(in[0].front()), dims.ndims(), dims.get(), (af_dtype) af::dtype_traits<T>::af_type));
ASSERT_EQ(AF_ERR_ARG, af_diff2(&outArray, inArray, -1));
ASSERT_EQ(AF_ERR_ARG, af_diff2(&outArray, inArray, 5));
if(inArray != 0) af_release_array(inArray);
if(outArray != 0) af_release_array(outArray);
}
TYPED_TEST(Diff2,InvalidArgs)
{
diff2ArgsTest<TypeParam>(string(TEST_DIR"/diff2/basic0.test"));
}
////////////////////////////////// CPP ////////////////////////////////////////
//
TEST(Diff2, CPP)
{
if (noDoubleTests<float>()) return;
const unsigned dim = 1;
vector<af::dim4> numDims;
vector<vector<float> > in;
vector<vector<float> > tests;
readTests<float,float,int>(string(TEST_DIR"/diff2/matrix1.test"),numDims,in,tests);
af::dim4 dims = numDims[0];
af::array input(dims, &(in[0].front()));
af::array output = af::diff2(input, dim);
float *outData = new float[dims.elements()];
output.host((void*)outData);
// Compare result
for (size_t testIter = 0; testIter < tests.size(); ++testIter) {
vector<float> currGoldBar = tests[testIter];
size_t nElems = currGoldBar.size();
for (size_t elIter = 0; elIter < nElems; ++elIter) {
ASSERT_EQ(currGoldBar[elIter], outData[elIter]) << "at: " << elIter << std::endl;
}
}
// Delete
delete[] outData;
}
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