60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
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/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// @author raver119@gmail.com
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//
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#include <op_boilerplate.h>
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#if NOT_EXCLUDED(OP_cross)
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#include <ops/declarable/headers/parity_ops.h>
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#include <ops/declarable/helpers/cross.h>
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namespace nd4j {
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namespace ops {
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DECLARE_TYPES(cross) {
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getOpDescriptor()
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->setAllowedInputTypes({ALL_INTS, ALL_FLOATS})
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->setAllowedOutputTypes({ALL_INTS, ALL_FLOATS})
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->setSameMode(true);
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}
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OP_IMPL(cross, 2, 1, false) {
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auto a = INPUT_VARIABLE(0);
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auto b = INPUT_VARIABLE(1);
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REQUIRE_TRUE(a->lengthOf() == b->lengthOf(), 0, "Cross: A and B lengths should match");
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REQUIRE_TRUE(a->rankOf() >= 1 && b->rankOf() >= 1, 0, "Cross: A and B should have rank >= 1");
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// TODO: we might want to lift this restriction
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REQUIRE_TRUE(a->isSameShape(b),0, "Cross: A and B should have equal shape");
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REQUIRE_TRUE(a->sizeAt(-1) == 3, 0, "Cross: outer dimension of A and B should be equal to 3");
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auto o = OUTPUT_VARIABLE(0);
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if (a->lengthOf() == 3) {
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helpers::_cross(block.launchContext(), a, b, o);
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} else {
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helpers::_crossBatched(block.launchContext(), a, b, o);
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}
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return Status::OK();
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}
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}
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}
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#endif
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