85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/*******************************************************************************
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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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// Created by raver119 on 13.10.2017.
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//
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#include <ops/declarable/CustomOperations.h>
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#include <system/op_boilerplate.h>
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namespace sd {
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namespace ops {
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/**
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* This operation is, basically IF statement
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*
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* arg_0 is our "signal"
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* arg_1 is condition that will determine transition
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*/
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// TODO: make this op a placeholder too
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DIVERGENT_OP_IMPL(Switch, 2, 2, true) {
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auto input = INPUT_VARIABLE(0);
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auto condition = INPUT_VARIABLE(1);
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// we'll store signal to both ends
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//STORE_2_RESULTS(*input, *input);
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// but we'll ensure only one node is active, and other is disabled
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if (condition->e<int>(0) == 0) {
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block.setBranch(0);
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this->storeResult(block, 0, new NDArray(input->dup()));
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} else {
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block.setBranch(1);
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this->storeResult(block, 1, new NDArray(input->dup()));
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}
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return Status::OK();
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}
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DECLARE_SYN(switch, Switch);
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DECLARE_SYN(if, Switch);
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/**
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* This op is a placeholder.
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* Actual WHILE implementation is in GraphExecutioner
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*/
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LOGIC_OP_IMPL(While);
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DECLARE_SYN(while, While);
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/**
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* This op is a placeholder.
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* Actual Scope implementation is in Graph and GraphExecutioner
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*/
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LOGIC_OP_IMPL(Scope);
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DECLARE_SYN(scope, Scope);
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/**
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* This op is a placeholder.
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* Actual Conditional implementation is in Graph and GraphExecutioner
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*/
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LOGIC_OP_IMPL(Conditional);
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DECLARE_SYN(cond, Conditional);
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/**
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* This op is a placeholder
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* Actual implementation is in LogicReturn class
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*/
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LOGIC_OP_IMPL(Return);
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DECLARE_SYN(return, Return);
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}
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} |