cavis/libnd4j/tests_cpu/layers_tests/JavaInteropTests.cpp

/*******************************************************************************
 * Copyright (c) 2015-2018 Skymind, Inc.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Apache License, Version 2.0 which is available at
 * https://www.apache.org/licenses/LICENSE-2.0.
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 ******************************************************************************/

//
// @author raver119@gmail.com
//

#include <NativeOps.h>
#include <NDArray.h>
#include <ops/declarable/CustomOperations.h>
#include <ops/declarable/OpRegistrator.h>
#include <graph/GraphHolder.h>
#include <graph/FlatUtils.h>
#include "testlayers.h"
#include <array>

using namespace nd4j;
using namespace nd4j::ops;

class JavaInteropTests : public testing::Test {
public:

};


TEST_F(JavaInteropTests, TestShapeExposure1) {
    auto input = NDArrayFactory::create<float>('c', {1, 2, 5, 4});
    auto weights = NDArrayFactory::create<float>('c', {2, 2, 2, 3});
    auto exp = NDArrayFactory::create<float>('c', {1, 3, 5, 4});

    nd4j::ops::conv2d op;

    std::vector<double> tArgs({});
    std::vector<Nd4jLong> iArgs({2, 2, 1, 1, 0, 0, 1, 1, 1});

    Nd4jPointer ptrs[] = {(Nd4jPointer) input.getShapeInfo(), (Nd4jPointer) weights.getShapeInfo()};

    auto shapeList = calculateOutputShapes(nullptr, op.getOpHash(), ptrs, 2, tArgs.data(), tArgs.size(), iArgs.data(), iArgs.size());

    ASSERT_EQ(1, shapeList->size());

    ASSERT_EQ(exp.rankOf(), shape::rank((Nd4jLong *)shapeList->at(0)));
    ASSERT_EQ(exp.sizeAt(0), shape::shapeOf((Nd4jLong *)shapeList->at(0))[0]);
    ASSERT_EQ(exp.sizeAt(1), shape::shapeOf((Nd4jLong *)shapeList->at(0))[1]);
    ASSERT_EQ(exp.sizeAt(2), shape::shapeOf((Nd4jLong *)shapeList->at(0))[2]);
    ASSERT_EQ(exp.sizeAt(3), shape::shapeOf((Nd4jLong *)shapeList->at(0))[3]);

    //int *ptr = (int *) shapeList[0];
    //delete[] ptr;
    //delete shapeList;

    deleteShapeList((Nd4jPointer) shapeList);
}


TEST_F(JavaInteropTests, TestShapeExposure2) {
    auto input = NDArrayFactory::create<float>('c', {1, 2, 5, 4});
    auto exp = NDArrayFactory::create<float>('c', {4}, {1, 2, 5, 4});

    nd4j::ops::shape_of op;

    std::vector<double> tArgs({});
    std::vector<Nd4jLong> iArgs({});


    Nd4jPointer ptrs[] = {(Nd4jPointer) input.getShapeInfo()};

    auto shapeList = calculateOutputShapes(nullptr, op.getOpHash(), ptrs, 1, tArgs.data(), tArgs.size(), iArgs.data(), iArgs.size());

    ASSERT_EQ(1, shapeList->size());

    ASSERT_EQ(exp.rankOf(), shape::rank((Nd4jLong *)shapeList->at(0)));
    ASSERT_EQ(exp.sizeAt(0), shape::shapeOf((Nd4jLong *)shapeList->at(0))[0]);

    deleteShapeList((Nd4jPointer) shapeList);
}

TEST_F(JavaInteropTests, TestShapeExposure3) {
    auto x = NDArrayFactory::create<float>('c', {5, 30});
    auto sizes = NDArrayFactory::create<int>('c', {3}, {4, 15, 11});

    std::vector<Nd4jLong> list0 = {0,0,  0,4};
    std::vector<Nd4jLong> list1 = {0,0,  4,19};
    std::vector<Nd4jLong> list2 = {0,0,  19,30};

    auto sub0 = x(list0, true);
    auto sub1 = x(list1, true);
    auto sub2 = x(list2, true);

    sub0.assign(0.0f);
    sub1.assign(1.0f);
    sub2.assign(2.0f);

    Nd4jPointer inputBuffers[] = {x.buffer(), sizes.buffer(), x.getSpecialBuffer(), sizes.getSpecialBuffer()};
    Nd4jPointer inputShapes[] = {x.shapeInfo(), sizes.shapeInfo(), x.getSpecialShapeInfo(), sizes.getSpecialShapeInfo()};

    nd4j::ops::split_v op;

    Nd4jLong iArgs[] = {1};
    auto hash = op.getOpHash();

    auto shapeList = calculateOutputShapes2(nullptr, hash, inputBuffers, inputShapes, 2, nullptr, 0, iArgs, 1, nullptr, 0);

    ASSERT_EQ(3, shapeList->size());

    ASSERT_TRUE(shape::equalsSoft(sub0.shapeInfo(), shapeList->at(0)));
    ASSERT_TRUE(shape::equalsSoft(sub1.shapeInfo(), shapeList->at(1)));
    ASSERT_TRUE(shape::equalsSoft(sub2.shapeInfo(), shapeList->at(2)));

    deleteShapeList((Nd4jPointer) shapeList);
}

TEST_F(JavaInteropTests, Test_Squeeze_1) {
    auto x = NDArrayFactory::create<float>('c', {1, 6}, {1, 2, 3, 4, 5, 6});
    auto z = NDArrayFactory::create<float>('c', {6});
    auto e = NDArrayFactory::create<float>('c', {6}, {1, 2, 3, 4, 5, 6});

    nd4j::ops::squeeze op;

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) x.getBuffer(), x.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) x.getShapeInfo(), x.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) z.getBuffer(), z.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) z.getShapeInfo(), z.getSpecialShapeInfo()};
    auto status = execCustomOp(nullptr, op.getOpHash(), ptrsInBuffer, ptrsInShapes, 1, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, nullptr, 0, nullptr, 0, false);
    ASSERT_EQ(Status::OK(), status);

    ASSERT_EQ(e, z);
}

TEST_F(JavaInteropTests, Test_RDiv_1) {
    auto x = NDArrayFactory::create<double>('c', {3}, {2, 2, 2});
    auto y = NDArrayFactory::create<double>('c', {3}, {4, 6, 8});
    auto z = NDArrayFactory::create<double>('c', {3});
    auto e = NDArrayFactory::create<double>('c', {3}, {2, 3, 4});

    NDArray::prepareSpecialUse({&z}, {&x, &y});

    nd4j::ops::reversedivide op;

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) x.getBuffer(), (Nd4jPointer) y.getBuffer(), x.getSpecialBuffer(), y.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) x.getShapeInfo(), (Nd4jPointer) y.getShapeInfo(), x.getSpecialShapeInfo(), y.getSpecialShapeInfo()};


    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) z.getBuffer(), z.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) z.getShapeInfo(), z.getSpecialShapeInfo()};
    auto status = execCustomOp(nullptr, op.getOpHash(), ptrsInBuffer, ptrsInShapes, 2, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, nullptr, 0, nullptr, 0, false);

    NDArray::registerSpecialUse({&z}, {&x, &y});
    ASSERT_EQ(Status::OK(), status);

    ASSERT_EQ(e, z);
}

TEST_F(JavaInteropTests, TestSconv2d_1) {
    auto input = NDArrayFactory::create<float>('c', {3, 3, 8, 8});
    auto weightsD = NDArrayFactory::create<float>('c', {1, 3, 1, 1});
    auto weightsP = NDArrayFactory::create<float>('c', {2, 3, 1, 1});
    auto bias = NDArrayFactory::create<float>('c', {1, 2});
    auto output = NDArrayFactory::create<float>('c', {3, 2, 8, 8});
    output.assign(0.0);

    input.linspace(1);
    weightsD.linspace(1);
    weightsP.linspace(1);
    bias.linspace(1);
    weightsD.permutei({2,3,1,0});
    weightsP.permutei({2,3,1,0});

    auto expOutput = NDArrayFactory::create<float>('c', {3, 2, 8, 8});

    nd4j::ops::sconv2d op;

    NDArray::prepareSpecialUse({&output}, {&input, &weightsD, &weightsP, &bias});

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) input.getBuffer(), (Nd4jPointer) weightsD.getBuffer(), (Nd4jPointer) weightsP.getBuffer(), (Nd4jPointer) bias.getBuffer(), (Nd4jPointer) input.getSpecialBuffer(), (Nd4jPointer) weightsD.getSpecialBuffer(), (Nd4jPointer) weightsP.getSpecialBuffer(), (Nd4jPointer) bias.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) input.getShapeInfo(), (Nd4jPointer) weightsD.getShapeInfo(), (Nd4jPointer) weightsP.getShapeInfo(), (Nd4jPointer) bias.getShapeInfo(), (Nd4jPointer) input.getSpecialShapeInfo(), (Nd4jPointer) weightsD.getSpecialShapeInfo(), (Nd4jPointer) weightsP.getSpecialShapeInfo(), (Nd4jPointer) bias.getSpecialShapeInfo()};


    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) output.getBuffer(), (Nd4jPointer) output.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) output.getShapeInfo(), (Nd4jPointer) output.getSpecialShapeInfo()};

    Nd4jLong exp[] = {1, 1, 1, 1, 0, 0, 1, 1, 0, 0};

    execCustomOp(nullptr, op.getOpHash(), ptrsInBuffer, ptrsInShapes, 4, ptrsOutBuffers, ptrsOutShapes, 1,
                                nullptr, 0, exp, 9, nullptr, 0, false);

    //output.printBuffer("output");
    NDArray::registerSpecialUse({&output}, {&input, &weightsD, &weightsP, &bias});

    ASSERT_NEAR(1423, output.e<float>(0), 1e-5);
        //nd4j_printf("Iter %i passed...\n", e);
}

TEST_F(JavaInteropTests, TestSconv2d_2) {
    auto input = NDArrayFactory::create<float>('c', {3, 3, 8, 8});
    auto weightsD = NDArrayFactory::create<float>('c', {1, 3, 1, 1});
    auto output = NDArrayFactory::create<float>('c', {3, 3, 8, 8});
    output.assign(0.0);

    input.linspace(1);
    weightsD.linspace(1);
    weightsD.permutei({2,3,1,0});

    auto expOutput = NDArrayFactory::create<float>('c', {3, 3, 8, 8});

    nd4j::ops::sconv2d op;

    NDArray::prepareSpecialUse({&output}, {&input, &weightsD});

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) input.getBuffer(), (Nd4jPointer) weightsD.getBuffer(), input.getSpecialBuffer(), weightsD.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) input.getShapeInfo(), (Nd4jPointer) weightsD.getShapeInfo(), input.getSpecialShapeInfo(), weightsD.getSpecialShapeInfo()};


    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) output.getBuffer(), output.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) output.getShapeInfo(), output.getSpecialShapeInfo()};

    Nd4jLong exp[] = {1, 1, 1, 1, 0, 0, 1, 1, 0};

    execCustomOp(nullptr, op.getOpHash(), ptrsInBuffer, ptrsInShapes, 2, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, exp, 9, nullptr, 0, false);

    NDArray::registerSpecialUse({&output}, {&input, &weightsD});

    ASSERT_NEAR(1, output.e<float>(0), 1e-5);
}


TEST_F(JavaInteropTests, TestMaxPooling2d_1) {
    auto input = NDArrayFactory::create<float>('c', {1, 2, 4, 5});
    auto output = NDArrayFactory::create<float>('c', {1, 2, 4, 5});
    input.linspace(1);

    NDArray::prepareSpecialUse({&output}, {&input});

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) input.getBuffer(), input.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) input.getShapeInfo(), input.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) output.getBuffer(), output.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) output.getShapeInfo(), output.getSpecialShapeInfo()};

    std::vector<Nd4jLong> iArgs({2, 2, 1, 1, 0, 0, 1, 1, 1});

    nd4j::ops::maxpool2d op;

    Nd4jStatus status = execCustomOp(nullptr, op.getOpHash(), ptrsInBuffer, ptrsInShapes, 1, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, iArgs.data(), 9, nullptr, 0, false);

    NDArray::registerSpecialUse({&output}, {&input});
    ASSERT_EQ(ND4J_STATUS_OK, status);

}
TEST_F(JavaInteropTests, TestCol2Im_1) {
    /*
        o.d.n.l.c.ConvolutionLayer - eps shape: [6, 1, 2, 2, 2, 4, 5, 160, 4, 2, 1, 40, 8, 0, -1, 99]
        o.d.n.l.c.ConvolutionLayer - epsNext shape: [4, 1, 2, 4, 5, 20, 20, 5, 1, 0, 1, 99]
        o.d.n.l.c.ConvolutionLayer - Strides: [1, 1]
        o.d.n.l.c.ConvolutionLayer - Padding: [0, 0]
        o.d.n.l.c.ConvolutionLayer - Input: [4,5]
        o.d.n.l.c.ConvolutionLayer - Dilation: [1, 1]
     */
    auto input = NDArrayFactory::create<float>('c', {1, 2, 2, 2, 4, 5});
    auto output = NDArrayFactory::create<float>('c', {1, 2, 4, 5});
    input.linspace(1);

    NDArray::prepareSpecialUse({&output}, {&input});

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) input.getBuffer(), input.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) input.getShapeInfo(), input.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) output.getBuffer(), output.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) output.getShapeInfo(), output.getSpecialShapeInfo()};

    nd4j::ops::col2im op;

    Nd4jLong exp[] = {1, 1, 1, 1, 4, 5, 1, 1, 1};

    auto hash = op.getOpHash();

    execCustomOp(nullptr, hash, ptrsInBuffer, ptrsInShapes, 1, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, exp, 9, nullptr, 0, false);

    NDArray::registerSpecialUse({&output}, {&input});

    ASSERT_TRUE(output.meanNumber().e<float>(0) > 0.0f);
}

TEST_F(JavaInteropTests, TestPNorm_1) {
    /*
        o.d.n.l.c.s.SubsamplingLayer - input: [4, 1, 3, 4, 4, 16, 16, 4, 1, 0, 1, 99]
        o.d.n.l.c.s.SubsamplingLayer - output: [4, 1, 3, 3, 3, 27, 9, 3, 1, 0, 1, 99]
        o.d.n.l.c.s.SubsamplingLayer - Kernel: [2, 2]
        o.d.n.l.c.s.SubsamplingLayer - Strides: [1, 1]
        o.d.n.l.c.s.SubsamplingLayer - Pad: [0, 0]
        o.d.n.l.c.s.SubsamplingLayer - Dilation: [1, 1]
        o.d.n.l.c.s.SubsamplingLayer - Same: false
        o.d.n.l.c.s.SubsamplingLayer - pnorm: 2
     */
    auto input = NDArrayFactory::create<float>('c', {1, 3, 4, 4});
    auto output = NDArrayFactory::create<float>('c', {1, 3, 3, 3});
    input.linspace(1);

    NDArray::prepareSpecialUse({&output}, {&input});

    nd4j::ops::pnormpool2d op;

    Nd4jLong exp[] = {2, 2, 1, 1, 0, 0, 1, 1, 0, 2, 0, 0};

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) input.getBuffer(), input.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) input.getShapeInfo(), input.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) output.getBuffer(), output.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) output.getShapeInfo(), output.getSpecialShapeInfo()};


    execCustomOp(nullptr, op.getOpHash(), ptrsInBuffer, ptrsInShapes, 1, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, exp, 11, nullptr, 0, false);

    NDArray::registerSpecialUse({&output}, {&input});

    ASSERT_TRUE(output.meanNumber().e<double>(0) > 0.0);
}


TEST_F(JavaInteropTests, TestInplace_1) {
    auto input = NDArrayFactory::create<float>('c', {10, 10});
    //auto exp('c', {10, 10});
    input.linspace(1);

    NDArray::prepareSpecialUse({}, {&input});

    nd4j::ops::clipbyvalue op;

    double extras[] = {-1.0f, 1.0f};

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) input.getBuffer(), input.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) input.getShapeInfo(), input.getSpecialShapeInfo()};


    Nd4jStatus result = execCustomOp(nullptr, op.getOpHash(), ptrsInBuffer, ptrsInShapes, 1, nullptr, nullptr, 0, extras, 2, nullptr, 0, nullptr, 0, true);

    NDArray::registerSpecialUse({}, {&input});

    ASSERT_EQ(ND4J_STATUS_OK, result);

    ASSERT_NEAR(1.0, input.meanNumber().e<float>(0), 1e-5);
}

TEST_F(JavaInteropTests, Test_Synonyms_1) {
    auto op = OpRegistrator::getInstance()->getOperation("RDiv");
    auto opRef = OpRegistrator::getInstance()->getOperation("reversedivide");
    std::string nameExp("reversedivide");

    ASSERT_TRUE(op != nullptr);
    ASSERT_TRUE(opRef != nullptr);

    std::string name = *(op->getOpName());
    std::string nameRef = *(opRef->getOpName());

    ASSERT_EQ(nameExp, nameRef);
    ASSERT_EQ(nameRef, name);
}

TEST_F(JavaInteropTests, Test_Synonyms_2) {
    auto op = OpRegistrator::getInstance()->getOperation("RDiv");
    auto opRef = OpRegistrator::getInstance()->getOperation("reversedivide");
    std::string nameExp("reversedivide");

    ASSERT_TRUE(op != nullptr);
    ASSERT_TRUE(opRef != nullptr);

    std::string name = *(op->getOpName());
    std::string nameRef = *(opRef->getOpName());

    ASSERT_EQ(nameExp, nameRef);
    ASSERT_EQ(nameRef, name);
}

TEST_F(JavaInteropTests, Test_Synonyms_3) {
    auto op = OpRegistrator::getInstance()->getOperation("RDiv");
    auto opRef = OpRegistrator::getInstance()->getOperation("reversedivide");
    std::string nameExp("reversedivide");

    ASSERT_TRUE(op != nullptr);
    ASSERT_TRUE(opRef != nullptr);

    std::string name = *(op->getOpName());
    std::string nameRef = *(opRef->getOpName());

    ASSERT_EQ(nameExp, nameRef);
    ASSERT_EQ(nameRef, name);
}

TEST_F(JavaInteropTests, Test_FastPath_Validation_1) {
    auto x = NDArrayFactory::create<int>('c', {4}, {1, 2, 3, 4});
    auto z = NDArrayFactory::create<int>('c', {4}, {1, 2, 3, 4});

    Context ctx(1);
    ctx.setInputArray(0, x.buffer(), x.shapeInfo(), x.specialBuffer(), x.specialShapeInfo());
    ctx.setOutputArray(0, z.buffer(), z.shapeInfo(), z.specialBuffer(), z.specialShapeInfo());

    nd4j::ops::softmax op;
    auto status = op.execute(&ctx);
    ASSERT_NE(Status::OK(), status);
}

TEST_F(JavaInteropTests, Test_FastPath_Validation_2) {
    auto x = NDArrayFactory::create<float>('c', {4}, {1.f, 2.f, 3.f, 4.f});
    auto z = NDArrayFactory::create<int>('c', {4}, {1, 2, 3, 4});

    Context ctx(1);
    ctx.setInputArray(0, x.buffer(), x.shapeInfo(), x.specialBuffer(), x.specialShapeInfo());
    ctx.setOutputArray(0, z.buffer(), z.shapeInfo(), z.specialBuffer(), z.specialShapeInfo());

    nd4j::ops::softmax op;
    auto status = op.execute(&ctx);
    ASSERT_NE(Status::OK(), status);
}

/*
TEST_F(JavaInteropTests, test_avgpooling_edge_1) {
    int inOutH = 35;
    int inOutW = 35;
    int inOutC = 192;

    auto x = NDArrayFactory::create<float>('c', {1, inOutH, inOutW, inOutC});
    auto z = NDArrayFactory::create<float>('c', {1, inOutH, inOutW, inOutC});
    x.linspace(1.0);
    z.linspace(1.0);

    NDArray::prepareSpecialUse({&z}, {&x});

    nd4j::ops::avgpool2d op;
    //auto result = op.execute({&x}, {}, {3,3, 1,1, 0,0, 1,1, 1, 0, 1});

    Nd4jLong exp[] = {3,3, 1,1, 0,0, 1,1, 1, 0, 1};

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) x.getBuffer(), x.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) x.getShapeInfo(), x.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) z.getBuffer(), z.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) z.getShapeInfo(), z.getSpecialShapeInfo()};

    auto result = execCustomOp(nullptr, op.getOpHash(), ptrsInBuffer, ptrsInShapes, 1, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, exp, 11, nullptr, 0, false);

    NDArray::registerSpecialUse({&z}, {&x});

    ASSERT_EQ(Status::OK(), result);

    int totalPadHeight = (inOutH - 1) * 1 + 3 - inOutH;
    int padTop = totalPadHeight / 2;
    int padBottom = totalPadHeight - totalPadHeight / 2;

    int k = 3;

    auto m = NDArrayFactory::create<float>('c', {1, inOutH, inOutW, inOutC});
    auto c = NDArrayFactory::create<float>('c', {1, inOutH, inOutW, inOutC});

    for (int h = 0; h < inOutH; h++) {
        for (int w = 0; w < inOutW; w++) {
            int hFrom = h - padTop;
            int wFrom = w - padBottom;

            int hTo = hFrom + k;
            int wTo = wFrom + k;

            hFrom = nd4j::math::nd4j_max<int>(0, hFrom);
            wFrom = nd4j::math::nd4j_max<int>(0, wFrom);

            hTo = nd4j::math::nd4j_min<int>(inOutH, hTo);
            wTo = nd4j::math::nd4j_min<int>(inOutW, wTo);

            int idxOut[4];
            int idxIn[4];
            for (int ch = 0; ch < inOutC; ch++) {
                idxOut[1] = h;
                idxOut[2] = w;
                idxOut[3] = ch;
                idxIn[3] = ch;

                for (int kh = hFrom; kh < hTo; kh++) {
                    for (int kw = wFrom; kw < wTo; kw++) {
                        idxIn[1] = kh;
                        idxIn[2] = kw;

                        auto inVal = x.e<float>(0, kh, kw, ch);
                        m.p(0, h, w, ch, inVal + m.e<float>(0, h, w, ch));
                        c.p(0, h, w, ch, 1 + c.e<int>(0, h, w, ch));
                    }
                }
            }
        }
    }
    m /= c;

    //z.printIndexedBuffer("z buffer", 100);
    //m.printIndexedBuffer("m buffer", 100);
    int cnt = 0;
    int lim = 10;
    for (int e = 0; e < z.lengthOf() && cnt < lim; e++) {
        auto _m = m.e<float>(e);
        auto _z = z.e<float>(e);
        auto eq = nd4j::math::nd4j_eq<float>(_m, _z, 1e-5);
        if (!eq) {
            nd4j_printf("Difference at element e [%i]: <%f> vs <%f>\n", e, _m, _z);
            cnt++;
        }
    }

    ASSERT_EQ(m, z);
}


TEST_F(JavaInteropTests, Test_GraphReuse_1) {
    uint8_t* data = nd4j::graph::readFlatBuffers("./resources/reduce_dim_false.fb");

    registerGraph(nullptr, 119, (Nd4jPointer) data);

    ASSERT_TRUE(GraphHolder::getInstance()->hasGraph(119));

    unregisterGraph(nullptr, 119);

    ASSERT_FALSE(GraphHolder::getInstance()->hasGraph(119));


    delete[] data;
}

TEST_F(JavaInteropTests, Test_GraphReuse_2) {
    //Environment::getInstance()->setDebug(true);
    //Environment::getInstance()->setVerbose(true);

    auto exp0 = NDArrayFactory::create<float>('c', {3}, {3, 3, 3});
    auto exp1 = NDArrayFactory::create<float>('c', {3}, {6, 6, 6});
    auto exp2 = NDArrayFactory::create<float>('c', {3}, {9, 9, 9});

    // we load graph from file, because we're not in java here, and dont have buffer ready
    uint8_t* data = nd4j::graph::readFlatBuffers("./resources/reduce_dim_false.fb");

    // we ensure that there's no such a graph stored earlier
    ASSERT_FALSE(GraphHolder::getInstance()->hasGraph(119));

    // register the graph, to call for it later
    registerGraph(nullptr, 119, (Nd4jPointer) data);

    // and ensure we're ok
    ASSERT_TRUE(GraphHolder::getInstance()->hasGraph(119));



    // run stuff

    auto input_0 = NDArrayFactory::create<float>('c', {3, 3});
    input_0.assign(1.0f);

    int idx[] = {1};

    Nd4jPointer inputs_0[] = {(Nd4jPointer) input_0.buffer()};
    Nd4jPointer shapes_0[] = {(Nd4jPointer) input_0.shapeInfo()};

    // now we're executing stored graph and providing replacement for input variable
    auto res_0 = executeStoredGraph(nullptr, 119, inputs_0, shapes_0, idx, 1);
    ASSERT_EQ(ND4J_STATUS_OK, res_0->status());
    ASSERT_EQ(1, res_0->size());

    auto z0 = res_0->at(0)->getNDArray();
    ASSERT_TRUE(exp0.isSameShape(z0));


    auto input_1 = NDArrayFactory::create<float>('c', {3, 3});
    input_1.assign(2.0f);

    Nd4jPointer inputs_1[] = {(Nd4jPointer) input_1.buffer()};
    Nd4jPointer shapes_1[] = {(Nd4jPointer) input_1.shapeInfo()};

    // doing it again
    auto res_1 = executeStoredGraph(nullptr, 119, inputs_1, shapes_1, idx, 1);
    ASSERT_EQ(ND4J_STATUS_OK, res_1->status());
    ASSERT_EQ(1, res_1->size());

    auto z1 = res_1->at(0)->getNDArray();
    ASSERT_TRUE(exp1.isSameShape(z1));


    auto input_2 = NDArrayFactory::create<float>('c', {3, 3});
    input_2.assign(3.0f);

    Nd4jPointer inputs_2[] = {(Nd4jPointer) input_2.buffer()};
    Nd4jPointer shapes_2[] = {(Nd4jPointer) input_2.shapeInfo()};

    // and again
    auto res_2 = executeStoredGraph(nullptr, 119, inputs_2, shapes_2, idx, 1);
    ASSERT_EQ(ND4J_STATUS_OK, res_1->status());
    ASSERT_EQ(1, res_2->size());

    auto z2 = res_2->at(0)->getNDArray();
    ASSERT_TRUE(exp2.isSameShape(z2));


    //////// clean out
    unregisterGraph(nullptr, 119);

    ASSERT_FALSE(GraphHolder::getInstance()->hasGraph(119));


    delete[] data;
    delete res_0;
    delete res_1;
    delete res_2;
}
*/

TEST_F(JavaInteropTests, Test_Greater_1) {
    auto x = NDArrayFactory::create<float>('c', {2, 2}, {1, 2, 1, 2});
    auto y = NDArrayFactory::create<float>('c', {2, 2}, {1, 2, 0, 0});
//    auto o = NDArrayFactory::create<float>('c', {2, 2}, {3, 3, 3, 3});
    auto o = NDArrayFactory::create<bool>('c', {2, 2}, {1, 1, 1, 1});

    auto exp = NDArrayFactory::create<bool>('c', {2, 2}, {0, 0, 1, 1});

    NDArray::prepareSpecialUse({&o}, {&x, &y});

    nd4j::ops::greater op;

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) x.getBuffer(), (Nd4jPointer) y.getBuffer(), x.getSpecialBuffer(), y.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) x.getShapeInfo(), (Nd4jPointer) y.getShapeInfo(), x.getSpecialShapeInfo(), y.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) o.getBuffer(), o.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) o.getShapeInfo(), o.getSpecialShapeInfo()};

    execCustomOp(nullptr, op.getOpHash(), ptrsInBuffer, ptrsInShapes, 2, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, nullptr, 0, nullptr, 0, false);

    NDArray::registerSpecialUse({&o}, {&x, &y});
    ASSERT_TRUE(exp.equalsTo(&o));
}


TEST_F(JavaInteropTests, Test_Greater_2) {
    auto x = NDArrayFactory::create<float>('c', {2, 2}, {1, 2, 1, 2});
    auto y = NDArrayFactory::create<float>('c', {2, 2}, {1, 2, 0, 0});
    auto o = NDArrayFactory::create<bool>('c', {2, 2}, {1, 1, 1, 1});

    auto exp = NDArrayFactory::create<bool>('c', {2, 2}, {0, 0, 1, 1});

    nd4j::ops::greater op;

    NDArray::prepareSpecialUse({&o}, {&x, &y});

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) x.getBuffer(), (Nd4jPointer) y.getBuffer(), x.getSpecialBuffer(), y.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) x.getShapeInfo(), (Nd4jPointer) y.getShapeInfo(), x.getSpecialShapeInfo(), y.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) o.getBuffer(), o.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) o.getShapeInfo(), o.getSpecialShapeInfo()};

    execCustomOp(nullptr, op.getOpHash(), ptrsInBuffer, ptrsInShapes, 2, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, nullptr, 0, nullptr, 0, false);

    NDArray::registerSpecialUse({&o}, {&x, &y});

    ASSERT_TRUE(exp.equalsTo(&o));
}

TEST_F(JavaInteropTests, Test_Boolean_Op_1) {

    nd4j::ops::is_non_decreasing op;

    auto x = NDArrayFactory::create<float>('c', {5}, {1, 2, 3, 4, 5});
    auto o = NDArrayFactory::create<bool>(false);
    auto exp = NDArrayFactory::create<bool>(1);

    NDArray::prepareSpecialUse({&o}, {&x});

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) x.getBuffer(), x.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) x.getShapeInfo(), x.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) o.getBuffer(), o.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) o.getShapeInfo(), o.getSpecialShapeInfo()};

    auto hash = op.getOpHash();
    auto status = execCustomOp(nullptr, hash, ptrsInBuffer, ptrsInShapes, 1, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, nullptr, 0, nullptr, 0, false);

    NDArray::registerSpecialUse({&o}, {&x});
    ASSERT_EQ(Status::OK(), status);

    ASSERT_TRUE(exp.equalsTo(&o));
}


TEST_F(JavaInteropTests, Test_Inplace_Outputs_1) {
    auto x = NDArrayFactory::create<float>('c', {2, 3}, {1.f, 2.f, 3.f, 4.f, 5.f, 6.f});
    auto exp = NDArrayFactory::create<float>('c', {2, 3}, {1.f, 2.f, 3.f, 4.f, 5.f, 6.f});
    auto z = NDArrayFactory::create<float>('c', {2, 3});

    nd4j::ops::test_output_reshape op;

    NDArray::prepareSpecialUse({&z}, {&x});

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) x.getBuffer(), x.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) x.getShapeInfo(), x.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) z.getBuffer(), z.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) z.getShapeInfo(), z.getSpecialShapeInfo()};

    auto hash = op.getOpHash();
    auto status = execCustomOp(nullptr, hash, ptrsInBuffer, ptrsInShapes, 1, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, nullptr, 0, nullptr, 0, false);

    NDArray::registerSpecialUse({&z}, {&x});
    ASSERT_EQ(Status::OK(), status);

    ASSERT_TRUE(exp.isSameShape(z));
    ASSERT_TRUE(exp.equalsTo(z));
}


TEST_F(JavaInteropTests, Test_Inplace_Outputs_2) {
    auto x = NDArrayFactory::create<float>('c', {2, 3}, {1.f, 2.f, 3.f, 4.f, 5.f, 6.f});
    auto y = NDArrayFactory::create<float>(2.0f);
    auto z = NDArrayFactory::create<float>('f', {2, 3});
    auto e = NDArrayFactory::create<float>('c', {2, 3}, {3.f, 4.f, 5.f, 6.f, 7.f, 8.f});


    nd4j::ops::add op;

    NDArray::prepareSpecialUse({&z}, {&x, &y});

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) x.getBuffer(), (Nd4jPointer) y.getBuffer(), x.getSpecialBuffer(), y.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) x.getShapeInfo(), (Nd4jPointer) y.getShapeInfo(), x.getSpecialShapeInfo(), y.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) z.getBuffer(), z.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) z.getShapeInfo(), z.getSpecialShapeInfo()};

    auto hash = op.getOpHash();
    auto status = execCustomOp(nullptr, hash, ptrsInBuffer, ptrsInShapes, 2, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, nullptr, 0, nullptr, 0, false);

    NDArray::prepareSpecialUse({&z}, {&x, &y});
    ASSERT_EQ(Status::OK(), status);

    ASSERT_TRUE(e.isSameShape(z));
    ASSERT_TRUE(e.equalsTo(z));
    ASSERT_FALSE(e.ordering() == z.ordering());
}

TEST_F(JavaInteropTests, Test_Inplace_Outputs_3) {
    auto input = NDArrayFactory::create<float>('c', {2, 3, 4}, {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24});
    auto indices = NDArrayFactory::create<Nd4jLong>('c', {1, 6},   {0,1, 2,2, 1,2});
    auto output = NDArrayFactory::create<float>('f', {2, 1, 6, 4});
    auto e = NDArrayFactory::create<float>('c', {2, 1, 6, 4}, {1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12, 9,10,11,12, 5, 6, 7, 8, 9,10,11,12, 13,14,15,16, 17,18,19,20, 21,22,23,24, 21,22,23,24, 17,18,19,20, 21,22,23,24});

    nd4j::ops::gather op;

    NDArray::prepareSpecialUse({&output}, {&input, &indices});

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) input.getBuffer(), (Nd4jPointer) indices.getBuffer(), input.getSpecialBuffer(), indices.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) input.getShapeInfo(), (Nd4jPointer) indices.getShapeInfo(), input.getSpecialShapeInfo(), input.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) output.getBuffer(), output.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) output.getShapeInfo(), output.getSpecialShapeInfo()};

    Nd4jLong iArgs[] = {1};

    auto hash = op.getOpHash();
    auto status = execCustomOp(nullptr, hash, ptrsInBuffer, ptrsInShapes, 2, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, iArgs, 1, nullptr, 0, false);

    NDArray::registerSpecialUse({&output}, {&input, &indices});
    ASSERT_EQ(Status::OK(), status);

    ASSERT_TRUE(e.isSameShape(output));
    ASSERT_TRUE(e.equalsTo(output));
    ASSERT_FALSE(e.ordering() == output.ordering());
}

TEST_F(JavaInteropTests, Test_Reduce3_EdgeCase) {
    auto x = NDArrayFactory::create<float>('c', {3, 4, 5});
    auto y = NDArrayFactory::create<float>('c', {3, 4, 5});
    auto z = NDArrayFactory::create<float>('c', {5});

    auto dims = NDArrayFactory::create<int>('c', {2}, {0, 1});
    dims.syncToHost();

    nd4j::LaunchContext* context = nd4j::LaunchContext::defaultContext();

    Nd4jPointer* extraPointers = nullptr;
    #ifdef __CUDABLAS__
        extraPointers = new Nd4jPointer[6] {nullptr, context->getCudaStream(), context->getScalarPointer(), nullptr, context->getCudaSpecialStream(), context->getReductionPointer()};
    #endif

    auto packX = nd4j::ConstantTadHelper::getInstance()->tadForDimensions(x.getShapeInfo(), {0,1});
    auto packY = nd4j::ConstantTadHelper::getInstance()->tadForDimensions(y.getShapeInfo(), {0,1});

    NDArray::prepareSpecialUse({&z}, {&x, &y, &dims});

    execReduce3Tad(extraPointers, 2, x.buffer(), x.shapeInfo(), x.specialBuffer(), x.specialShapeInfo(),
                          nullptr,
                        y.buffer(), y.shapeInfo(), y.specialBuffer(), y.specialShapeInfo(),
                        z.buffer(), z.shapeInfo(), z.specialBuffer(), z.specialShapeInfo(),
                        dims.buffer(), dims.shapeInfo(), dims.specialBuffer(), dims.specialShapeInfo(), packX.platformShapeInfo(), packX.platformOffsets(), packY.platformShapeInfo(), packY.platformOffsets());

    NDArray::registerSpecialUse({&z}, {&x, &y, &dims});

    delete []extraPointers;
}

/*
TEST_F(JavaInteropTests, Test_SimpleIf_Output) {
    Environment::getInstance()->setDebug(true);
    Environment::getInstance()->setVerbose(false);

    auto pl = nd4j::graph::readFlatBuffers("./resources/simpleif_0_1.fb");
    auto ptr = executeFlatGraph(nullptr, pl);

    Environment::getInstance()->setDebug(false);
    Environment::getInstance()->setVerbose(false);

    delete[] pl;
    delete ptr;
}
*/

TEST_F(JavaInteropTests, Test_AveragePooling_FF_TF_double) {

    auto input = NDArrayFactory::create<float>('c', {4, 10, 10, 3}, {9.37125111, 2.20166993,             2.91434479,             5.43639755,             -2.10573769,             4.08528662,             5.86908436,             -4.46203756,             2.21057916,             5.35849190,             0.01394637,             4.40566349,             7.07982206,             -0.09633455,             2.42429352,             3.97301817,             -1.89553940,             1.99690318,             6.33141708,             0.55401880,             1.70707977,             5.55204201,             -0.03513752,             1.60011971,             2.62700319,             -2.74582434,             3.06697464,             1.06277943,             -1.16075921,             -0.78095782,             9.72352791,             -1.22686064,             1.99644792,             7.35571337,             1.40607321,             0.11390255,             9.53334427,             2.28303599,             -1.66728830,             6.16678810,             -0.04532295,             -1.97708666,             9.74906158,             1.46223176,             -1.46734393,             4.30761862,             -1.23790228,             1.24823606,             6.13938427,             -3.83689475,             -1.19625473,             7.91535568,             6.05868721,             -3.22946382,             8.81633949,             -0.19967777,             0.66053957,             2.30919123,             0.74543846,             -0.39347672,             11.11058044,             0.53720862,             1.52645731,             5.70012379,             -1.15213466,             1.16451406,             7.00526333,             1.57362783,             -2.44384766,             5.54213285,             -1.98828590,             -0.70483637,             7.88281822,             -3.59875536,             0.80745387,             13.41578484,             -1.55507684,             -0.65855008,             9.32583523,             -0.14544789,             0.73436141,             3.61176538,             -1.71268058,             -2.58490300,             9.09280205,             -3.27405524,             -2.04569697,             4.44761324,             -0.62955856,             -2.61917663,             8.04890442,             0.54579324,             0.85929775,             9.82259560,             -1.93825579,             0.77703512,             4.67090321,             -4.79267597,             -2.38906908,             9.31265545,             0.96026313,             -1.14109385,             11.54231834,             -0.01417295,             -0.39500344,             8.49191666,             0.55300158,             2.79490185,             6.92466164,             1.72254205,             2.82222271,             8.83112717,             2.95033407,             2.18054962,             6.73509789,             -2.22272944,             0.51127720,             -1.04563558,             2.15747333,             -2.30959272,             9.55441570,             1.50396204,             1.77370787,             7.38146257,             -1.79076433,             3.20961165,             7.18864202,             2.91217351,             0.43018937,             7.11078024,             -1.17386127,             -0.16817921,             6.12327290,             -2.82205725,             3.30696845,             13.51291752,             -1.30856836,             -2.38332748,             11.09487438,             -1.47190213,             -0.53050828,             4.38285351,             -5.07309771,             1.50714362,             5.72274446,             -2.85825086,             -0.89673209,             3.73791552,             -0.67708802,             -4.13149452,             -0.00671843,             -0.26566532,             0.32961160,             7.14501762,             -1.41608179,             -4.96590328,             12.26205540,             -0.65158135,             -0.88641000,             6.95777559,             -0.79058206,             -0.10260171,             7.87169170,             1.35921454,             1.11759663,             5.4618740
    auto z = NDArrayFactory::create<float>('c', {4, 4, 4, 3});
    auto exp = NDArrayFactory::create<float>('c', {4, 4, 4, 3}, {7.97172260, 0.06878620,             2.27749538,             7.29276514,             -0.14074677,             0.65480286,             5.70313978,             -0.06546132,             0.35443667,             3.70382833,             -0.84020567,             0.63826996,             8.60301399,             -0.38236514,             1.55177069,             7.37542057,             -0.99374938,             -0.29971302,             8.84352493,             -0.67121059,             0.43132120,             4.78175592,             -1.25070143,             -1.91523600,             6.03855371,             -0.00292124,             -1.11214364,             7.90158176,             -0.57949901,             -0.96735370,             7.81192017,             -0.53255427,             -0.48009714,             3.16953635,             0.08353355,             -1.54299748,             3.74821687,             1.69396687,             0.72724354,             5.42915201,             -1.13686812,             -0.71793109,             5.78376389,             -0.72239977,             -0.60055625,             2.53636408,             0.56777251,             -2.07892323,             6.08064651,             0.68620735,             2.54017019,             5.65828180,             -0.68255502,             1.47283304,             6.10842514,             -0.39655915,             0.28380761,             1.96707797,             -1.98206317,             0.94027776,             4.71811438,             0.32104525,             -0.92409706,             8.34588146,             -1.05581069,             -0.55217457,             9.58440876,             -0.96549922,             0.45820439,             5.65453672,             -2.50953507,             -0.71441835,             8.03059578,             -0.21281289,             0.92125505,             9.26900673,             -0.35963219,             -0.70039093,             8.59924412,             -1.22358346,             0.81318003,             3.85920119,             -0.01305223,             -1.09234154,             6.33158875,             1.28094780,             -1.48926139,             4.94969177,             -0.77126902,             -1.97033751,             5.64381838,             -0.16285487,             -1.31277227,             2.39893222,             -1.32902908,             -1.39609122,             6.47572327,             -0.45267010,             1.55727172,             6.70965624,             -1.68735468,             -0.05672536,             7.25092363,             -0.64613032,             0.67050058,             3.60789680,             -2.05948973,             2.22687531,             8.15202713,             -0.70148355,             1.28314006,             8.14842319,             -1.88807654,             -1.04808438,             8.45500565,             -0.76425624,             0.94542569,             4.56179953,             -0.28786001,             -2.04502511,             8.46278095,             -0.31019822,             0.07339200,             9.34214592,             -0.61948007,             0.52481830,             8.32515621,             -1.52418160,             0.49678251,             5.11082315,             -1.09908783,             -0.52969611,             5.27806664,             0.88632923,             0.66754371,             4.75839233,             0.48928693,             -0.68036932,             6.56925392,             -0.02949905,             -2.99189186,             4.46320581,             -0.64534980,             -0.29516968,             8.60809517,             -1.13120568,             3.41720533,             5.84243155,             -1.24109328,             0.89566326,             5.99578333,             -0.42496428,             2.07076764,             3.17812920,             -0.81566459,             -0.14363396,             6.55184317,             0.39633346,             -0.43852386,             8.70214558,             -2.24613595,             0.30708700,             8.73882294,             -0.53545928,             1.54409575,             4.49452257

    nd4j::ops::avgpool2d op;

    NDArray::prepareSpecialUse({&z}, {&input});

    Nd4jPointer ptrsInBuffer[] = {reinterpret_cast<Nd4jPointer>(input.buffer()), input.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {reinterpret_cast<Nd4jPointer>(input.shapeInfo()), input.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {reinterpret_cast<Nd4jPointer>(z.buffer()), z.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {reinterpret_cast<Nd4jPointer>(z.shapeInfo()), z.getSpecialShapeInfo()};

    Nd4jLong iArgs[] = {3,3,  3,3,  0,0,  1,1,1,  0,1};

    auto hash = op.getOpHash();
    auto status = execCustomOp(nullptr, hash, ptrsInBuffer, ptrsInShapes, 1, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, iArgs, 11, nullptr, 0, false);

    NDArray::registerSpecialUse({&z}, {&input});
    ASSERT_EQ(Status::OK(), status);

    ASSERT_TRUE(exp.isSameShape(z));
    ASSERT_TRUE(exp.equalsTo(z));
}

TEST_F(JavaInteropTests, Test_MaxPool2D_float_1) {
    auto input = NDArrayFactory::create<float>('c', {1, 1, 4, 5});
    auto z = NDArrayFactory::create<float>('c', {1, 1, 4, 5});

    input.linspace(1.0);

    NDArray::prepareSpecialUse({&z}, {&input});

    Nd4jPointer ptrsInBuffer[] = {reinterpret_cast<Nd4jPointer>(input.buffer()), input.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {reinterpret_cast<Nd4jPointer>(input.shapeInfo()), input.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {reinterpret_cast<Nd4jPointer>(z.buffer()), z.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {reinterpret_cast<Nd4jPointer>(z.shapeInfo()), z.getSpecialShapeInfo()};

    Nd4jLong iArgs[] = {2,2,  1,1,  1,1,  2,2,1,  0,0};

    nd4j::ops::maxpool2d op;

    auto hash = op.getOpHash();
    auto status = execCustomOp(nullptr, hash, ptrsInBuffer, ptrsInShapes, 1, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, iArgs, 11, nullptr, 0, false);

    NDArray::registerSpecialUse({&z}, {&input});
    ASSERT_EQ(Status::OK(), status);
}

TEST_F(JavaInteropTests, Test_Unstack_1) {
    auto x = NDArrayFactory::create<double>('c', {5, 5});
    x.linspace(1.0);
    auto z0 = NDArrayFactory::create<double>('c',{5});
    auto z1 = NDArrayFactory::create<double>('c',{5});
    auto z2 = NDArrayFactory::create<double>('c',{5});
    auto z3 = NDArrayFactory::create<double>('c',{5});
    auto z4 = NDArrayFactory::create<double>('c',{5});

    NDArray::prepareSpecialUse({&z0, &z1, &z2, &z3, &z4}, {&x});

    Nd4jPointer ptrsInBuffer[] = {reinterpret_cast<Nd4jPointer>(x.buffer()), x.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {reinterpret_cast<Nd4jPointer>(x.shapeInfo()), x.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {z0.buffer(), z1.buffer(), z2.buffer(), z3.buffer(), z4.buffer(), z0.getSpecialBuffer(), z1.getSpecialBuffer(), z2.getSpecialBuffer(), z3.getSpecialBuffer(), z4.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {z0.shapeInfo(), z1.shapeInfo(), z2.shapeInfo(), z3.shapeInfo(), z4.shapeInfo(), z0.getSpecialShapeInfo(), z1.getSpecialShapeInfo(), z2.getSpecialShapeInfo(), z3.getSpecialShapeInfo(), z4.getSpecialShapeInfo()};

    Nd4jLong iArgs[] = {0};

    nd4j::ops::unstack op;

    auto hash = op.getOpHash();
    auto status = execCustomOp(nullptr, hash, ptrsInBuffer, ptrsInShapes, 1, ptrsOutBuffers, ptrsOutShapes, 5, nullptr, 0, iArgs, 1, nullptr, 0, false);

    NDArray::registerSpecialUse({&z0, &z1, &z2, &z3, &z4}, {&x});
    ASSERT_EQ(Status::OK(), status);
}

TEST_F(JavaInteropTests, Test_AveragePooling_FF_TF_float) {

    auto input = NDArrayFactory::create<float>('c', {4, 10, 10, 3}, {9.37125111f, 2.20166993f,2.91434479f,5.43639755f,-2.10573769f, 4.08528662f,5.86908436f,-4.46203756f,2.21057916f,5.35849190f,0.01394637f,             4.40566349f,             7.07982206f,             -0.09633455f,             2.42429352f,             3.97301817f,             -1.89553940f,             1.99690318f,             6.33141708f,             0.55401880f,             1.70707977f,             5.55204201f,             -0.03513752f,             1.60011971f,             2.62700319f,             -2.74582434f,             3.06697464f,             1.06277943f,             -1.16075921f,             -0.78095782f,             9.72352791f,             -1.22686064f,             1.99644792f,             7.35571337f,             1.40607321f,             0.11390255f,             9.53334427f,             2.28303599f,             -1.66728830f,             6.16678810f,             -0.04532295f,             -1.97708666f,             9.74906158f,             1.46223176f,             -1.46734393f,             4.30761862f,             -1.23790228f,             1.24823606f,             6.13938427f,             -3.83689475f,             -1.19625473f,             7.91535568f,             6.05868721f,             -3.22946382f,             8.81633949f,             -0.19967777f,             0.66053957f,             2.30919123f,             0.74543846f,             -0.39347672f,             11.11058044f,             0.53720862f,             1.52645731f,             5.70012379f,             -1.15213466f,             1.16451406f,             7.00526333f,             1.57362783f,             -2.44384766f,             5.54213285f,             -1.98828590f,             -0.70483637f,             7.88281822f,             -3.59875536f,             0.80745387f,             13.41578484f,             -1.55507684f,             -0.65855008f,             9.32583523f,             -0.14544789f,             0.73436141f,             3.61176538f,             -1.71268058f,             -2.58490300f,             9.09280205f,             -3.27405524f,             -2.04569697f,             4.44761324f,             -0.62955856f,             -2.61917663f,             8.04890442f,             0.54579324f,             0.85929775f,             9.82259560f,             -1.93825579f,             0.77703512f,             4.67090321f,             -4.79267597f,             -2.38906908f,             9.31265545f,             0.96026313f,             -1.14109385f,             11.54231834f,             -0.01417295f,             -0.39500344f,             8.49191666f,             0.55300158f,             2.79490185f,             6.92466164f,             1.72254205f,             2.82222271f,             8.83112717f,             2.95033407f,             2.18054962f,             6.73509789f,             -2.22272944f,             0.51127720f,             -1.04563558f,             2.15747333f,             -2.30959272f,             9.55441570f,             1.50396204f,             1.77370787f,             7.38146257f,             -1.79076433f,             3.20961165f,             7.18864202f,             2.91217351f,             0.43018937f,             7.11078024f,             -1.17386127f,             -0.16817921f,             6.12327290f,             -2.82205725f,             3.30696845f,             13.51291752f,             -1.30856836f,             -2.38332748f,             11.09487438f,             -1.47190213f,             -0.53050828f,             4.38285351f,             -5.07309771f,             1.50714362f,             5.72274446f,             -2.85825086f,             -0.89673209f,             3.73791552f,             -0.67708802f,             -4.13149452f,             -0.00671843f,             -0.26566532f,             0.32961160f,             7.14501762f,             -1.41608179f,             -4.96590328f,             12.26205540f,             -0.65158135f,             -0.88641000f,             6.95777559f,             -0.79058206f,             -0.10260171f,             7.87169170f,             1.35921454
    auto z = NDArrayFactory::create<float>('c', {4, 4, 4, 3});
    auto exp = NDArrayFactory::create<float>('c', {4, 4, 4, 3}, {7.97172260f, 0.06878620f,             2.27749538f,             7.29276514f,             -0.14074677f,             0.65480286f,             5.70313978f,             -0.06546132f,             0.35443667f,             3.70382833f,             -0.84020567f,             0.63826996f,             8.60301399f,             -0.38236514f,             1.55177069f,             7.37542057f,             -0.99374938f,             -0.29971302f,             8.84352493f,             -0.67121059f,             0.43132120f,             4.78175592f,             -1.25070143f,             -1.91523600f,             6.03855371f,             -0.00292124f,             -1.11214364f,             7.90158176f,             -0.57949901f,             -0.96735370f,             7.81192017f,             -0.53255427f,             -0.48009714f,             3.16953635f,             0.08353355f,             -1.54299748f,             3.74821687f,             1.69396687f,             0.72724354f,             5.42915201f,             -1.13686812f,             -0.71793109f,             5.78376389f,             -0.72239977f,             -0.60055625f,             2.53636408f,             0.56777251f,             -2.07892323f,             6.08064651f,             0.68620735f,             2.54017019f,             5.65828180f,             -0.68255502f,             1.47283304f,             6.10842514f,             -0.39655915f,             0.28380761f,             1.96707797f,             -1.98206317f,             0.94027776f,             4.71811438f,             0.32104525f,             -0.92409706f,             8.34588146f,             -1.05581069f,             -0.55217457f,             9.58440876f,             -0.96549922f,             0.45820439f,             5.65453672f,             -2.50953507f,             -0.71441835f,             8.03059578f,             -0.21281289f,             0.92125505f,             9.26900673f,             -0.35963219f,             -0.70039093f,             8.59924412f,             -1.22358346f,             0.81318003f,             3.85920119f,             -0.01305223f,             -1.09234154f,             6.33158875f,             1.28094780f,             -1.48926139f,             4.94969177f,             -0.77126902f,             -1.97033751f,             5.64381838f,             -0.16285487f,             -1.31277227f,             2.39893222f,             -1.32902908f,             -1.39609122f,             6.47572327f,             -0.45267010f,             1.55727172f,             6.70965624f,             -1.68735468f,             -0.05672536f,             7.25092363f,             -0.64613032f,             0.67050058f,             3.60789680f,             -2.05948973f,             2.22687531f,             8.15202713f,             -0.70148355f,             1.28314006f,             8.14842319f,             -1.88807654f,             -1.04808438f,             8.45500565f,             -0.76425624f,             0.94542569f,             4.56179953f,             -0.28786001f,             -2.04502511f,             8.46278095f,             -0.31019822f,             0.07339200f,             9.34214592f,             -0.61948007f,             0.52481830f,             8.32515621f,             -1.52418160f,             0.49678251f,             5.11082315f,             -1.09908783f,             -0.52969611f,             5.27806664f,             0.88632923f,             0.66754371f,             4.75839233f,             0.48928693f,             -0.68036932f,             6.56925392f,             -0.02949905f,             -2.99189186f,             4.46320581f,             -0.64534980f,             -0.29516968f,             8.60809517f,             -1.13120568f,             3.41720533f,             5.84243155f,             -1.24109328f,             0.89566326f,             5.99578333f,             -0.42496428f,             2.07076764f,             3.17812920f,             -0.81566459f,             -0.14363396f,             6.55184317f,             0.39633346f,             -0.43852386f,          

    nd4j::ops::avgpool2d op;

    NDArray::prepareSpecialUse({&z}, {&input});

    Nd4jPointer ptrsInBuffer[] = {reinterpret_cast<Nd4jPointer>(input.buffer()), input.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {reinterpret_cast<Nd4jPointer>(input.shapeInfo()), input.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {reinterpret_cast<Nd4jPointer>(z.buffer()), z.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {reinterpret_cast<Nd4jPointer>(z.shapeInfo()), z.getSpecialShapeInfo()};
    Nd4jLong iArgs[] = {3,3,  3,3,  0,0,  1,1,1,  0,1};

    auto hash = op.getOpHash();
    auto status = execCustomOp(nullptr, hash, ptrsInBuffer, ptrsInShapes, 1, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, iArgs, 11, nullptr, 0, false);

    NDArray::registerSpecialUse({&z}, {&input});
    ASSERT_EQ(Status::OK(), status);

    ASSERT_TRUE(exp.isSameShape(z));
    ASSERT_TRUE(exp.equalsTo(z));
}

TEST_F(JavaInteropTests, Test_Mixed_Add_1) {
    if (!Environment::getInstance()->isExperimentalBuild())
        return;

    auto arrayX = NDArrayFactory::create<int>({1, 2, 3, 4});
    auto arrayY = NDArrayFactory::create<double>({1, 2, 3, 4});
    auto arrayZ = NDArrayFactory::create<double>({0, 0, 0, 0});
    auto arrayE = NDArrayFactory::create<double>({2, 4, 6, 8});

    NDArray::prepareSpecialUse({&arrayZ}, {&arrayX, &arrayY});

    execPairwiseTransform(nullptr, pairwise::Add,
                              arrayX.buffer(), arrayX.shapeInfo(), arrayX.getSpecialBuffer(), arrayX.getSpecialShapeInfo(),
                              arrayY.buffer(), arrayY.shapeInfo(), arrayY.getSpecialBuffer(), arrayY.getSpecialShapeInfo(),
                              arrayZ.buffer(), arrayZ.shapeInfo(), arrayZ.getSpecialBuffer(), arrayZ.getSpecialShapeInfo(),
                              nullptr);

    NDArray::registerSpecialUse({&arrayZ}, {&arrayX, &arrayY});

    ASSERT_EQ(arrayE, arrayZ);
}

TEST_F(JavaInteropTests, Test_Add_1) {
    auto x = NDArrayFactory::create<int>('c', {5}, {1, 1, 1, 1, 1});
    auto y = NDArrayFactory::create<int>('c', {5}, {1, 1, 1, 1, 1});
    auto e = NDArrayFactory::create<int>('c', {5}, {2, 2, 2, 2, 2});

    NDArray::prepareSpecialUse({&x}, {&x, &y});

    nd4j::ops::add op;

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) x.getBuffer(), y.getBuffer(), x.getSpecialBuffer(), y.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) x.getShapeInfo(), y.getShapeInfo(), x.getSpecialShapeInfo(), y.getSpecialShapeInfo(),};

    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) x.getBuffer(), x.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) x.getShapeInfo(), x.getSpecialShapeInfo()};

    execCustomOp(nullptr, op.getOpHash(), ptrsInBuffer, ptrsInShapes, 2, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, nullptr, 0, nullptr, 0, false);

    NDArray::registerSpecialUse({&x}, {&x, &y});

    ASSERT_EQ(e, x);
}

TEST_F(JavaInteropTests, zeta_test10) {

    auto x = NDArrayFactory::create<double>('c', {3, 4}, {1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.01, 1.11, 1.12});
    auto q = NDArrayFactory::create<double>('c', {3, 4}, {0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 0.01, 0.11, 0.12});
    auto z = NDArrayFactory::create<double>('c', {3, 4});

    auto e = NDArrayFactory::create<double>('c', {3, 4}, {23.014574, 12.184081, 8.275731, 6.1532226, 4.776538, 3.7945523, 3.0541048, 2.4765317, 2.0163891, 205.27448, 21.090889, 19.477398});

    nd4j::ops::zeta op;

    NDArray::prepareSpecialUse({&z}, {&x, &q});

    Nd4jPointer ptrsInBuffer[] = {(Nd4jPointer) x.getBuffer(), q.getBuffer(), x.getSpecialBuffer(), q.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {(Nd4jPointer) x.getShapeInfo(), q.getShapeInfo(), x.specialShapeInfo(), q.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffers[] = {(Nd4jPointer) z.getBuffer(), z.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {(Nd4jPointer) z.getShapeInfo(), z.getSpecialShapeInfo()};

    execCustomOp(nullptr, op.getOpHash(), ptrsInBuffer, ptrsInShapes, 2, ptrsOutBuffers, ptrsOutShapes, 1, nullptr, 0, nullptr, 0, nullptr, 0, false);

    NDArray::registerSpecialUse({&z}, {&x, &q});

    ASSERT_EQ(e, z);
}

TEST_F(JavaInteropTests, Test_IAMax_1) {
    auto arrayX = NDArrayFactory::create<float>({-0.24f, -0.26f, -0.07f, -0.01f});
    auto arrayZ = arrayX.indexReduceNumber(indexreduce::IndexAbsoluteMax, nullptr);
    auto exp = NDArrayFactory::create<Nd4jLong>(1);

    ASSERT_EQ(exp, arrayZ);
}

TEST_F(JavaInteropTests, Test_Boolean_Broadcastables_1) {
    auto arrayX = NDArrayFactory::create<double>('c', {10, 10});
    auto arrayY = NDArrayFactory::create<double>('c', {10, 10});

    Nd4jPointer ptrsInBuffer[] = {reinterpret_cast<Nd4jPointer>(arrayX.buffer()), reinterpret_cast<Nd4jPointer>(arrayY.buffer()), arrayX.getSpecialBuffer(), arrayY.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {reinterpret_cast<Nd4jPointer>(arrayX.shapeInfo()), reinterpret_cast<Nd4jPointer>(arrayY.shapeInfo()), arrayX.getSpecialShapeInfo(), arrayY.getSpecialShapeInfo()};

    NDArray::prepareSpecialUse({}, {&arrayX, &arrayY});
    nd4j::ops::greater_equal op;
    auto shapeList = calculateOutputShapes2(nullptr, op.getOpHash(), ptrsInBuffer, ptrsInShapes, 2, nullptr, 0, nullptr, 0, nullptr, 0);
    NDArray::registerSpecialUse({}, {&arrayX, &arrayY});
    delete shapeList;
}

TEST_F(JavaInteropTests, Test_L2_Loss_3) {
    auto x = NDArrayFactory::create<double>(0.7787855863571167);
    auto e = NDArrayFactory::create<double>(0.303254);
    auto z = NDArrayFactory::create<double>(0.0);

    NDArray::prepareSpecialUse({&z}, {&x});

    Nd4jPointer ptrsInBuffer[] = {reinterpret_cast<Nd4jPointer>(x.buffer()), x.getSpecialBuffer()};
    Nd4jPointer ptrsInShapes[] = {reinterpret_cast<Nd4jPointer>(x.shapeInfo()), x.getSpecialShapeInfo()};

    Nd4jPointer ptrsOutBuffer[] = {reinterpret_cast<Nd4jPointer>(z.buffer()), z.getSpecialBuffer()};
    Nd4jPointer ptrsOutShapes[] = {reinterpret_cast<Nd4jPointer>(z.shapeInfo()), z.getSpecialShapeInfo()};

    nd4j::ops::l2_loss op;
    auto status = execCustomOp(nullptr, op.getOpHash(), ptrsInBuffer, ptrsInShapes, 1, ptrsOutBuffer, ptrsOutShapes, 1, nullptr, 0, nullptr, 0, nullptr, 0, false);
    ASSERT_EQ(Status::OK(), status);

    NDArray::registerSpecialUse({&z}, {&x});

    ASSERT_EQ(e, z);
}

TEST_F(JavaInteropTests, Test_Fastpath_3) {
    auto array0 = NDArrayFactory::create<float>('c', {3, 2}, {1.f, 2.f, 3.f, 4.f, 5.f, 6.f});
    auto array1 = NDArrayFactory::create<float>('c', {3, 2}, {1.f, 2.f, 3.f, 4.f, 5.f, 6.f});
    auto z = NDArrayFactory::create<float>('c', {3, 2});

    auto exp = NDArrayFactory::create<float>('c', {3, 2}, {2.f, 4.f, 6.f, 8.f, 10.f, 12.f});
    Context ctx(1);

    NDArray::prepareSpecialUse({&z}, {&array0, &array1});

    ctx.setInputArray(0, array0.buffer(), array0.shapeInfo(), array0.getSpecialBuffer(), array0.getSpecialShapeInfo());
    ctx.setInputArray(1, array1.buffer(), array1.shapeInfo(), array1.getSpecialBuffer(), array1.getSpecialShapeInfo());
    ctx.setOutputArray(0, z.buffer(),           z.shapeInfo(), z.getSpecialBuffer(), z.getSpecialShapeInfo());

    ASSERT_EQ(2, ctx.width());

    nd4j::ops::add op;
    execCustomOp2(nullptr, op.getOpHash(), &ctx);

    NDArray::registerSpecialUse({&z}, {&array0, &array1});

    ASSERT_EQ(exp, z);
}

TEST_F(JavaInteropTests, Test_Fastpath_4) {

    auto exp = NDArrayFactory::create<double>('c', {3, 5}, {1,1,1,0,0,  1,1,1,1,0,  1,1,1,1,1});
    auto z = NDArrayFactory::create<double>('c', {3, 5});
    Nd4jLong iArgs[] = {3, 5, 2};


    NDArray::prepareSpecialUse({&z}, {});

    Context ctx(1);

    ctx.setOutputArray(0, z.buffer(), z.shapeInfo(), z.specialBuffer(), z.specialShapeInfo());
    ctx.setIArguments(iArgs, 3);

    nd4j::ops::tri op;
    execCustomOp2(nullptr, op.getOpHash(), &ctx);

    NDArray::registerSpecialUse({&z}, {});

    ASSERT_EQ(exp, z);
}

TEST_F(JavaInteropTests, Test_Fastpath_5) {
    auto a = NDArrayFactory::create<float>('c', {3, 3});
    auto b = NDArrayFactory::create<float>('c', {3, 3});
    auto c = NDArrayFactory::create<float>('c', {3, 3});
    a.linspace(1.0);
    b.linspace(1.0);

    NDArray::prepareSpecialUse({&c}, {&b, &c});

    Context ctx(1);

    ctx.setInputArray(0, a.buffer(), a.shapeInfo(), a.specialBuffer(), a.specialShapeInfo());
    ctx.setInputArray(1, b.buffer(), b.shapeInfo(), b.specialBuffer(), b.specialShapeInfo());
    ctx.setOutputArray(0, c.buffer(), c.shapeInfo(), c.specialBuffer(), c.specialShapeInfo());

    nd4j::ops::matmul op;
    auto status = execCustomOp2(nullptr, op.getOpHash(), &ctx);

    NDArray::registerSpecialUse({&c}, {&b, &c});

    ASSERT_EQ(Status::OK(), status);
}

TEST_F(JavaInteropTests, Test_Fastpath_6) {
    auto a = NDArrayFactory::create<float>('c', {2, 3});
    auto b = NDArrayFactory::create<float>('c', {3, 4});
    auto gI = NDArrayFactory::create<float>('c', {2, 4});

    auto gA = NDArrayFactory::create<float>('c', {2, 3});
    auto gB = NDArrayFactory::create<float>('c', {3, 4});
    a.linspace(1.0);
    b.linspace(1.0);
    gI.linspace(1.0);

    NDArray::prepareSpecialUse({&gA, &gB}, {&a, &b, &gI});

    Context ctx(1);
    Nd4jLong iArgs[] = {0L, 0L, 0L};

    ctx.setInputArray(0, a.buffer(), a.shapeInfo(), a.specialBuffer(), a.specialShapeInfo());
    ctx.setInputArray(1, b.buffer(), b.shapeInfo(), b.specialBuffer(), b.specialShapeInfo());
    ctx.setInputArray(2, gI.buffer(), gI.shapeInfo(), gI.specialBuffer(), gI.specialShapeInfo());

    ctx.setOutputArray(0, gA.buffer(), gA.shapeInfo(), gA.specialBuffer(), gA.specialShapeInfo());
    ctx.setOutputArray(1, gB.buffer(), gB.shapeInfo(), gB.specialBuffer(), gB.specialShapeInfo());

    ctx.setIArguments(iArgs, 3);

    nd4j::ops::matmul_bp op;
    auto status = execCustomOp2(nullptr, op.getOpHash(), &ctx);

    NDArray::registerSpecialUse({&gA, &gB}, {&a, &b, &gI});

    ASSERT_EQ(Status::OK(), status);
}

TEST_F(JavaInteropTests, Test_Fastpath_7) {
    auto a = NDArrayFactory::create<float>('c', {2}, {1.f, 2.f});
    auto b = NDArrayFactory::create<float>(3.f);
    auto z = NDArrayFactory::create<float>('c', {3});
    auto e = NDArrayFactory::create<float>('c', {3}, {1.f, 2.f, 3.f});

    NDArray::prepareSpecialUse({&z}, {&a, &b});

    Context ctx(1);
    Nd4jLong iArgs[] = {0L, 0L, 0L};

    ctx.setIArguments(iArgs, 1);

    nd4j::ops::concat op;

    ctx.setInputArray(0, a.buffer(), a.shapeInfo(), a.specialBuffer(), a.specialShapeInfo());
    ctx.setInputArray(1, b.buffer(), b.shapeInfo(), b.specialBuffer(), b.specialShapeInfo());

    ctx.setOutputArray(0, z.buffer(), z.shapeInfo(), z.specialBuffer(), z.specialShapeInfo());

    auto status = execCustomOp2(nullptr, op.getOpHash(), &ctx);

    NDArray::registerSpecialUse({&z}, {&a, &b});
    ASSERT_EQ(Status::OK(), status);

    ASSERT_EQ(e, z);
}

TEST_F(JavaInteropTests, test_bfloat16_rng) {
    if (!Environment::getInstance()->isCPU())
        return;

    auto z = NDArrayFactory::create<bfloat16>('c', {10});
    RandomGenerator rng(119, 323841120L);
    bfloat16 args[2] = {(bfloat16) 0.0f, (bfloat16) 1.0f};
    execRandom(nullptr, nd4j::random::Ops::UniformDistribution, &rng, z.buffer(), z.shapeInfo(), z.specialBuffer(), z.specialShapeInfo(), args);
    z.printIndexedBuffer("z");
    ASSERT_TRUE(z.sumNumber().e<float>(0) > 0);
}

TEST_F(JavaInteropTests, test_ismax_view) {
    auto original = NDArrayFactory::create<double>('c', {2, 3, 40});
    auto v = original.subarray({NDIndex::all(), NDIndex::all(), NDIndex::interval(0, 40, 2)});
    v->assign(1.0);

    auto e = v->ulike();
    auto t = e.tensorAlongDimension(0, {0, 1});
    t->assign(1.0);

    auto z = v->ulike();


    Nd4jLong iArgs[] = {2L, 0L};
    Context ctx(1);
    ctx.setInputArray(0, v->buffer(), v->shapeInfo(), v->specialBuffer(), v->specialShapeInfo());
    ctx.setOutputArray(0, z.buffer(), z.shapeInfo(), z.specialBuffer(), z.specialShapeInfo());
    ctx.setIArguments(iArgs, 1);

    nd4j::ops::ismax op;
    op.execute(&ctx);

    z.printIndexedBuffer("z");
    ASSERT_EQ(e, z);

    delete v;
    delete t;
}

TEST_F(JavaInteropTests, test_size_dtype_1) {
    auto x = NDArrayFactory::create<float>('c', {3}, {1, 1, 1});
    auto z = NDArrayFactory::create<float>(0.0f);
    auto e = NDArrayFactory::create<float>(3.0f);

    Context ctx(1);
    ctx.setInputArray(0, x.buffer(), x.shapeInfo(), x.specialBuffer(), x.specialShapeInfo());
    ctx.setOutputArray(0, z.buffer(), z.shapeInfo(), z.specialBuffer(), z.specialShapeInfo());

    nd4j::ops::size op;
    auto status = op.execute(&ctx);
    ASSERT_EQ(Status::OK(), status);

    ASSERT_EQ(e, z);
}

/*
TEST_F(JavaInteropTests, Test_Results_Conversion_1) {
    auto pl = nd4j::graph::readFlatBuffers("./resources/gru_dynamic_mnist.fb");
    auto ptr = executeFlatGraph(nullptr, pl);

    // at this point we have FlatResults
    auto flatResult = GetFlatResult(ptr->pointer());
    auto size = flatResult->variables()->size();

    // we know exact number of outputs in this graph in given mode
    ASSERT_EQ(184, size);


    // now we're rolling through all variables and restore them one by one
    for (int e = 0; e < size; e++) {
        auto flatVar = flatResult->variables()->Get(e);
        auto flatArray = flatVar->ndarray();

        // checking var part first
        // we just want to ensure we're not experiencing overruns here
        auto name = flatVar->name()->str();

        // checking array part now
        auto shape = flatArray->shape();
        auto rank = shape->Get(0);

        ASSERT_TRUE(shape->size() > 0 && rank >= 0 &&  rank < MAX_RANK);

        // building regular NDArray out of this FlatArray
        auto ndarray = nd4j::graph::FlatUtils::fromFlatArray(flatArray);

        // rank should match FlatArray
        ASSERT_EQ(rank, ndarray->rankOf());

        // array shouldn't have any NaN/Inf values
        ASSERT_TRUE(ndarray->isFinite());

        // array should be assignable
        ndarray->assign(123.f);

        // and safely removable after
        delete ndarray;
    }


    delete[] pl;
    delete ptr;

    // and we should have 0 leaks reported after this line :)
}
*/
// TEST_F(JavaInteropTests, Test_NLP_Aggregations_1) {
//     std::array<float, 60> syn0 = {-0.022756476f, 0.0126427775f, 0.011029151f, -0.013542821f, -0.012327666f, -0.0032439455f, -0.008405109f, -0.016651405f, 0.0015980572f, -0.007442479f, 0.019937921f, -0.016222188f, -0.016541665f, 0.013372547f, 0.006625724f, 0.0058958204f, -0.01281835f, -6.2343775E-4f, 0.0019826533f, 0.010253737f, -0.010291531f, 0.0019767822f, 0.018071089f, -0.0117441565f, 0.023176769f, 0.0032820583f, 0.0061427564f, -0.01696018f, 0.0054971874f, 0.0043818625f, 0.019323621f, 0.0036080598f, 0.024376748f, -0.0024499625f, 0.019496754f, 0.010563821f, -2.0503551E-4f, -0.0146056535f, 0.009949291f, 0.017604528f, -0.0050302492f, -0.022060446f, 0.016468976f, -0.0034482107f, 0.010270384f, -0.0063356445f, -0.019934833f, -0.02325993f, 0.016109904f, -0.0031106502f, -0.0020592287f, 0.024031803f, 0.005184144f, -0.024887865f, 0.02100272f, 3.395051E-4f, 0.018432347f, 5.673498E-4f, -0.020073576f, 0.010949242f};
//     std::array<float, 60> syn1;
//     std::array<float, 100000> exp;

//     for (int e = 0; e < syn1.size(); e++)
//         syn1[e] = 0.0f;

//     for (int e = 0; e < exp.size(); e++) {
//         auto f = static_cast<double>(e);
//         auto tmp = nd4j::math::nd4j_exp<double, double>((f / 100000.0 * 2.0 - 1.0) * 6.0);
//         exp[e] = static_cast<float>(tmp / (tmp + 1.0));
//     }

//     auto maxTypes = 5;
//     auto numAggregates = 1;
//     auto opNum = 3;
//     auto maxArgs = 6;
//     auto maxShapes = 0;
//     auto maxIntArrays = 2;
//     auto maxIntArraySize = 40;
//     auto maxIndexArguments = 10;
//     auto maxRealArguments = 2;

//     std::array<int, 100000> pointer;

//     auto batchLimit = 512;

//     int indexPos = maxTypes * batchLimit;
//     int intArraysPos = indexPos + (maxIndexArguments * batchLimit);
//     int realPos = (intArraysPos + (maxIntArrays * maxIntArraySize * batchLimit));
//     int argsPos = (realPos + ((maxRealArguments * batchLimit))) / 2;
//     int shapesPos = argsPos + (maxArgs * batchLimit);

//     std::vector<int> intArray0({0, 0, 0, 0, 0});
//     std::vector<int> intArray1({1, 0, 0, 0, 0});

//     std::vector<int> indexingArgs0({1, 20, 5, 0, 100000, 3, 0, 0, 0});
//     std::vector<int> indexingArgs1({0, 20, 5, 0, 100000, 3, 1, 0, 0});

//     std::vector<float> realArgs0({0.024964055335354007f, 3.0768702268737162E18f});

//     int argSize = 6;
//     int shapesSize = 0;
//     int indexingSize = 9;
//     int realArgsSize = 2;
//     int intArraysSize = 2;

//     int e = 0;

//         auto idx = e * maxTypes;

//         // numbers of arguments
//         pointer[idx] = 6; // arguments size
//         pointer[idx+1] = 0; // shapes size
//         pointer[idx+2] = 9; // indexing arguments size
//         pointer[idx+3] = 2; // real args size
//         pointer[idx+4] = 2; // intArray args size

//         // indexing args
//         auto idxArgs = e == 0 ? indexingArgs0 : indexingArgs1;
//         for (int f = 0; f < idxArgs.size(); f++) {
//             idx = indexPos + e * maxIndexArguments;
//             pointer[idx + f] = idxArgs[f];
//         }

//         // int array values
//         int bsize = maxIntArrays * maxIntArraySize;
//         for (int f = 0; f < intArraysSize; f++) {
//             int step = (e * bsize) + (f * maxIntArraySize);
//             auto intArr = f == 0 ? intArray0 : intArray1;
//             for (int x = 0; x < intArr.size(); x++) {
//                 idx = intArraysPos + step + x;
//                 pointer[idx] = intArr[x];
//             }
//         }

//         // real args
//         auto ptr = reinterpret_cast<float *>(pointer.data());
//         for (int f = 0; f < realArgsSize; f++) {
//             idx = realPos + (e * maxRealArguments);
//             ptr[idx + f] = realArgs0[f];
//         }

//         //
//         auto ptrptr = reinterpret_cast<void **>(pointer.data());
//         idx = argsPos + e * maxArgs;
//         ptrptr[idx] = reinterpret_cast<void*>(syn0.data());
//         ptrptr[idx+1] = reinterpret_cast<void*>(syn1.data());
//         ptrptr[idx+2] = reinterpret_cast<void*>(exp.data());


//     execAggregateBatchFloat(nullptr, numAggregates, opNum, maxArgs, maxShapes, maxIntArrays, maxIntArraySize, maxIndexArguments, maxRealArguments, pointer.data());
// }