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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 <af/array.h>
#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 Where : public ::testing::Test { };
typedef ::testing::Types< float, double, cfloat, cdouble, int, uint, intl, uintl, char, uchar, short, ushort> TestTypes;
TYPED_TEST_CASE(Where, TestTypes);
template<typename T>
void whereTest(string pTestFile, bool isSubRef=false, const vector<af_seq> seqv=vector<af_seq>())
{
if (noDoubleTests<T>()) return;
vector<af::dim4> numDims;
vector<vector<int> > data;
vector<vector<int> > tests;
readTests<int,int,int> (pTestFile,numDims,data,tests);
af::dim4 dims = numDims[0];
vector<T> in(data[0].begin(), data[0].end());
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.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.front(), dims.ndims(), dims.get(), (af_dtype) af::dtype_traits<T>::af_type));
}
// Compare result
vector<uint> currGoldBar(tests[0].begin(), tests[0].end());
// Run sum
ASSERT_EQ(AF_SUCCESS, af_where(&outArray, inArray));
// Get result
size_t nElems = currGoldBar.size();
vector<uint> outData(nElems);
ASSERT_EQ(AF_SUCCESS, af_get_data_ptr(&outData.front(), outArray));
for (size_t elIter = 0; elIter < nElems; ++elIter) {
ASSERT_EQ(currGoldBar[elIter], outData[elIter]) << "at: " << elIter
<< std::endl;
}
if(inArray != 0) af_release_array(inArray);
if(outArray != 0) af_release_array(outArray);
if(tempArray != 0) af_release_array(tempArray);
}
#define WHERE_TESTS(T) \
TEST(Where,Test_##T) \
{ \
whereTest<T>( \
string(TEST_DIR"/where/where.test") \
); \
} \
TYPED_TEST(Where, BasicC)
{
whereTest<TypeParam>(string(TEST_DIR"/where/where.test") );
}
//////////////////////////////////// CPP /////////////////////////////////
//
TYPED_TEST(Where, CPP)
{
if (noDoubleTests<TypeParam>()) return;
vector<af::dim4> numDims;
vector<vector<int> > data;
vector<vector<int> > tests;
readTests<int,int,int> (string(TEST_DIR"/where/where.test"),numDims,data,tests);
af::dim4 dims = numDims[0];
vector<float> in(data[0].begin(), data[0].end());
af::array input(dims, &in.front(), afHost);
af::array output = where(input);
// Compare result
vector<uint> currGoldBar(tests[0].begin(), tests[0].end());
// Get result
size_t nElems = currGoldBar.size();
vector<uint> outData(nElems);
output.host((void*)&(outData.front()));
for (size_t elIter = 0; elIter < nElems; ++elIter) {
ASSERT_EQ(currGoldBar[elIter], outData[elIter]) << "at: " << elIter
<< std::endl;
}
}
TEST(Where, ISSUE_1259)
{
af::array a = af::randu(10, 10, 10);
af::array indices = af::where(a > 2);
ASSERT_EQ(indices.elements(), 0);
}
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