cavis/libnd4j/include/ops/declarable/generic/bitwise/cyclic_rshift.cpp

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/*******************************************************************************
* Copyright (c) 2015-2019 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_cyclic_rshift_bits)
#include <ops/declarable/CustomOperations.h>
#include <ops/declarable/helpers/helpers.h>
#include <ops/declarable/helpers/shift.h>
namespace nd4j {
namespace ops {
CONFIGURABLE_OP_IMPL(cyclic_rshift_bits, 1, 1, true, 0, -2) {
auto input = INPUT_VARIABLE(0);
auto output = OUTPUT_VARIABLE(0);
REQUIRE_TRUE(block.numI() > 0 || block.width() > 1, 0, "cyclic_rshift_bits: actual shift value is missing");
uint32_t shift = 0;
if (block.width() > 1) {
shift = INPUT_VARIABLE(1)->e<uint32_t>(0);
} else if (block.numI() > 0) {
shift = INT_ARG(0);
};
helpers::cyclic_rshift_bits(block.launchContext(), *input, *output, shift);
REQUIRE_TRUE(shift > 0 && shift < input->sizeOfT() * 8, 0, "cyclic_rshift_bits: can't shift beyond size of data type")
return Status::OK();
}
DECLARE_TYPES(cyclic_rshift_bits) {
getOpDescriptor()
->setAllowedInputTypes({ALL_INTS})
->setSameMode(true);
}
}
}
#endif