cavis/libnd4j/include/ops/declarable/generic/parity_ops/cross.cpp

60 lines
2.0 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 raver119@gmail.com
//
#include <op_boilerplate.h>
#if NOT_EXCLUDED(OP_cross)
#include <ops/declarable/headers/parity_ops.h>
#include <ops/declarable/helpers/cross.h>
namespace nd4j {
namespace ops {
DECLARE_TYPES(cross) {
getOpDescriptor()
->setAllowedInputTypes({ALL_INTS, ALL_FLOATS})
->setAllowedOutputTypes({ALL_INTS, ALL_FLOATS})
->setSameMode(true);
}
OP_IMPL(cross, 2, 1, false) {
auto a = INPUT_VARIABLE(0);
auto b = INPUT_VARIABLE(1);
REQUIRE_TRUE(a->lengthOf() == b->lengthOf(), 0, "Cross: A and B lengths should match");
REQUIRE_TRUE(a->rankOf() >= 1 && b->rankOf() >= 1, 0, "Cross: A and B should have rank >= 1");
// TODO: we might want to lift this restriction
REQUIRE_TRUE(a->isSameShape(b),0, "Cross: A and B should have equal shape");
REQUIRE_TRUE(a->sizeAt(-1) == 3, 0, "Cross: outer dimension of A and B should be equal to 3");
auto o = OUTPUT_VARIABLE(0);
if (a->lengthOf() == 3) {
helpers::cross(block.launchContext(), a, b, o);
} else {
helpers::crossBatched(block.launchContext(), a, b, o);
}
return Status::OK();
}
}
}
#endif