cavis/libnd4j/include/ops/declarable/generic/tsne/edge_force.cpp

69 lines
2.5 KiB
C++

/*******************************************************************************
* 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 George A. Shulinok <sgazeos@gmail.com>, created on 4/18/2019.
//
#include <op_boilerplate.h>
#if NOT_EXCLUDED(OP_barnes_edge_force)
#include <ops/declarable/CustomOperations.h>
#include <ops/declarable/helpers/BarnesHutTsne.h>
namespace nd4j {
namespace ops {
CUSTOM_OP_IMPL(barnes_edge_forces, 4, 1, false, 0, 1) {
auto rowP = INPUT_VARIABLE(0);
auto colP = INPUT_VARIABLE(1);
auto valP = INPUT_VARIABLE(2);
auto dataP = INPUT_VARIABLE(3);
auto N = INT_ARG(0);
auto output = OUTPUT_VARIABLE(0);
REQUIRE_TRUE(rowP->isVector(), 0, "barnes_edge_force: row input must be a vector, but its rank is %i instead !", rowP->rankOf());
REQUIRE_TRUE(colP->isVector(), 0, "barnes_edge_force: col input must be a vector, but its rank is %i instead !", colP->rankOf());
REQUIRE_TRUE(dataP->dataType() == output->dataType() && dataP->dataType() == valP->dataType(), 0, "barnes_edge_force: data type of dataP, valP and output must be the same");
helpers::barnes_edge_forces(rowP, colP, valP, N, output, *dataP);
return Status::OK();
}
DECLARE_TYPES(barnes_edge_forces) {
getOpDescriptor()
->setAllowedInputTypes(0, {ALL_INTS})
->setAllowedInputTypes(1, {ALL_INTS})
->setAllowedInputTypes(2, {ALL_FLOATS})
->setAllowedInputTypes(3, {ALL_FLOATS})
->setAllowedOutputTypes(0, {ALL_FLOATS})
->setSameMode(false);
}
DECLARE_SHAPE_FN(barnes_edge_forces) {
Nd4jLong* bufShape;
Nd4jLong* outShapeInfo;
outShapeInfo = ShapeBuilders::copyShapeInfoAndType(inputShape->at(3), inputShape->at(3), false, block.getWorkspace());
return SHAPELIST(CONSTANT(outShapeInfo));
}
}
}
#endif