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

* 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 <arrayfire.h>

#include <gtest/gtest.h>

#include <testHelpers.hpp>

#include <af/defines.h>

#include <af/dim4.hpp>

#include <af/traits.hpp>

#include <complex>

#include <iostream>

#include <string>

#include <vector>

using af::allTrue;

using af::array;

using af::cdouble;

using af::cfloat;

using af::dim4;

using af::dtype_traits;

using af::reorder;

using af::seq;

using af::span;

using af::tile;

using std::string;

using std::vector;

template<typename T>

class Reorder : 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, int, unsigned int,

char, unsigned char, short, ushort>

TestTypes;

// register the type list

TYPED_TEST_CASE(Reorder, TestTypes);

template<typename T>

void reorderTest(string pTestFile, const unsigned resultIdx, const uint x,

const uint y, const uint z, const uint w,

bool isSubRef = false, const vector<af_seq> *seqv = NULL) {

SUPPORTED_TYPE_CHECK(T);

vector<dim4> numDims;

vector<vector<T> > in;

vector<vector<T> > tests;

readTests<T, T, int>(pTestFile, numDims, in, tests);

dim4 idims = numDims[0];

af_array inArray = 0;

af_array outArray = 0;

af_array tempArray = 0;

if (isSubRef) {

ASSERT_SUCCESS(af_create_array(&tempArray, &(in[0].front()),

idims.ndims(), idims.get(),

(af_dtype)dtype_traits<T>::af_type));

ASSERT_SUCCESS(

af_index(&inArray, tempArray, seqv->size(), &seqv->front()));

} else {

ASSERT_SUCCESS(af_create_array(&inArray, &(in[0].front()),

idims.ndims(), idims.get(),

(af_dtype)dtype_traits<T>::af_type));

}

ASSERT_SUCCESS(af_reorder(&outArray, inArray, x, y, z, w));

dim4 goldDims(idims[x], idims[y], idims[z], idims[w]);

ASSERT_VEC_ARRAY_EQ(tests[resultIdx], goldDims, outArray);

if (inArray != 0) af_release_array(inArray);

if (outArray != 0) af_release_array(outArray);

if (tempArray != 0) af_release_array(tempArray);

}

#define REORDER_INIT(desc, file, resultIdx, x, y, z, w) \

TYPED_TEST(Reorder, desc) { \

reorderTest<TypeParam>(string(TEST_DIR "/reorder/" #file ".test"), \

resultIdx, x, y, z, w); \

}

REORDER_INIT(Reorder012, reorder, 0, 0, 1, 2, 3);

REORDER_INIT(Reorder021, reorder, 1, 0, 2, 1, 3);

REORDER_INIT(Reorder102, reorder, 2, 1, 0, 2, 3);

REORDER_INIT(Reorder120, reorder, 3, 1, 2, 0, 3);

REORDER_INIT(Reorder201, reorder, 4, 2, 0, 1, 3);

REORDER_INIT(Reorder210, reorder, 5, 2, 1, 0, 3);

REORDER_INIT(Reorder0123, reorder4d, 0, 0, 1, 2, 3);

REORDER_INIT(Reorder0132, reorder4d, 1, 0, 1, 3, 2);

REORDER_INIT(Reorder0213, reorder4d, 2, 0, 2, 1, 3);

REORDER_INIT(Reorder0231, reorder4d, 3, 0, 2, 3, 1);

REORDER_INIT(Reorder0312, reorder4d, 4, 0, 3, 1, 2);

REORDER_INIT(Reorder0321, reorder4d, 5, 0, 3, 2, 1);

REORDER_INIT(Reorder1023, reorder4d, 6, 1, 0, 2, 3);

REORDER_INIT(Reorder1032, reorder4d, 7, 1, 0, 3, 2);

REORDER_INIT(Reorder1203, reorder4d, 8, 1, 2, 0, 3);

REORDER_INIT(Reorder1230, reorder4d, 9, 1, 2, 3, 0);

REORDER_INIT(Reorder1302, reorder4d, 10, 1, 3, 0, 2);

REORDER_INIT(Reorder1320, reorder4d, 11, 1, 3, 2, 0);

REORDER_INIT(Reorder2103, reorder4d, 12, 2, 1, 0, 3);

REORDER_INIT(Reorder2130, reorder4d, 13, 2, 1, 3, 0);

REORDER_INIT(Reorder2013, reorder4d, 14, 2, 0, 1, 3);

REORDER_INIT(Reorder2031, reorder4d, 15, 2, 0, 3, 1);

REORDER_INIT(Reorder2310, reorder4d, 16, 2, 3, 1, 0);

REORDER_INIT(Reorder2301, reorder4d, 17, 2, 3, 0, 1);

REORDER_INIT(Reorder3120, reorder4d, 18, 3, 1, 2, 0);

REORDER_INIT(Reorder3102, reorder4d, 19, 3, 1, 0, 2);

REORDER_INIT(Reorder3210, reorder4d, 20, 3, 2, 1, 0);

REORDER_INIT(Reorder3201, reorder4d, 21, 3, 2, 0, 1);

REORDER_INIT(Reorder3012, reorder4d, 22, 3, 0, 1, 2);

REORDER_INIT(Reorder3021, reorder4d, 23, 3, 0, 2, 1);

////////////////////////////////// CPP ///////////////////////////////////

//

TEST(Reorder, CPP) {

const unsigned resultIdx = 0;

const unsigned x = 0;

const unsigned y = 1;

const unsigned z = 2;

const unsigned w = 3;

vector<dim4> numDims;

vector<vector<float> > in;

vector<vector<float> > tests;

readTests<float, float, int>(string(TEST_DIR "/reorder/reorder4d.test"),

numDims, in, tests);

dim4 idims = numDims[0];

array input(idims, &(in[0].front()));

array output = reorder(input, x, y, z, w);

dim4 goldDims(idims[x], idims[y], idims[z], idims[w]);

ASSERT_VEC_ARRAY_EQ(tests[resultIdx], goldDims, output);

}

TEST(Reorder, ISSUE_1777) {

const int m = 5;

const int n = 4;

const int k = 3;

vector<float> h_input(m * n);

for (int i = 0; i < m * n; i++) { h_input[i] = (float)(i); }

array a(m, n, &h_input[0]);

array a_t = tile(a, 1, 1, 3);

array a_r = reorder(a_t, 0, 2, 1);

vector<float> h_output(m * n * k);

a_r.host((void *)&h_output[0]);

for (int z = 0; z < n; z++) {

for (int y = 0; y < k; y++) {

for (int x = 0; x < m; x++) {

ASSERT_EQ(h_output[z * k * m + y * m + x], h_input[z * m + x]);

}

}

}

}

TEST(Reorder, MaxDim) {

const size_t largeDim = 65535 * 32 + 1;

array input = range(dim4(2, largeDim, 2), 2);

array output = reorder(input, 2, 1, 0);

array gold = range(dim4(2, largeDim, 2));

ASSERT_ARRAYS_EQ(gold, output);

}

TEST(Reorder, InputArrayUnchanged) {

float h_input[12] = {0.f, 1.f, 2.f, 3.f, 4.f, 5.f,

6.f, 7.f, 8.f, 9.f, 10.f, 11.f};

array input(2, 3, 2, h_input);

array input_reord = reorder(input, 0, 2, 1);

array input_gold(2, 3, 2, h_input);

ASSERT_ARRAYS_EQ(input_gold, input);

}