64 lines
2.3 KiB
C++
64 lines
2.3 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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// xw_plus_b op. Created by GS <george@skymind.io> 31.01.2018
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//
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//
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#include <system/op_boilerplate.h>
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#if NOT_EXCLUDED(OP_xw_plus_b)
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#include <ops/declarable/CustomOperations.h>
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#include <ops/declarable/helpers/matmul.h>
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#include <helpers/MmulHelper.h>
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namespace sd {
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namespace ops {
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CUSTOM_OP_IMPL(xw_plus_b, 3, 1, false, 0, 0) {
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auto x = INPUT_VARIABLE(0);
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auto y = INPUT_VARIABLE(1);
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auto b = INPUT_VARIABLE(2);
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auto z = OUTPUT_VARIABLE(0);
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REQUIRE_TRUE(x->rankOf() <= 2 && y->rankOf() <= 2 && z->rankOf() <= 2, 0, "xw_plus_b: Input and Output NDArrays should have rank less or equal to 2");
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REQUIRE_TRUE(b->isVector() && b->lengthOf() == z->sizeAt(-1), 0, "xw_plus_b: Input vector should have proper dimension 1x%i. "
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"But %i != %i.", z->sizeAt(-1), b->lengthOf(), z->sizeAt(-1));
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// multiply x to y
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MmulHelper::mmul(x, y, z, 1.0, 0.0);
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// adding b vector
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z->addiRowVector(*b);
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return Status::OK();
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}
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DECLARE_SHAPE_FN(xw_plus_b) {
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auto outputShape = ShapeUtils::matrixProductShape(inputShape->at(0), inputShape->at(1), false, false,
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ArrayOptions::dataType(inputShape->at(0)), block.getWorkspace());
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return SHAPELIST(CONSTANT(outputShape));
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}
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DECLARE_TYPES(xw_plus_b) {
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getOpDescriptor()
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->setAllowedInputTypes(sd::DataType::ANY)
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->setAllowedOutputTypes({ALL_FLOATS});
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}
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}
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}
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#endif
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