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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://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.
*/
#include "Div.h"
#include "Assert.h"
bool divPrepare(const Shape &in1, const Shape &in2, Shape *out)
{
ASSERT(getNumberOfDimensions(in1) <= 4 && getNumberOfDimensions(in2) <= 4);
ASSERT(in1.type == in2.type);
if (SameShape(in1, in2))
{
return SetShape(in1, out);
}
else
{
// Broadcast needed
uint32_t numberOfDims1 = getNumberOfDimensions(in1);
uint32_t numberOfDims2 = getNumberOfDimensions(in2);
uint32_t maxDims = std::max(numberOfDims1, numberOfDims2);
out->dimensions = std::vector<uint32_t>(maxDims);
for (uint32_t i = 1; i <= maxDims; i++)
{
uint32_t dim1 = 1;
if (i <= numberOfDims1)
{
dim1 = getSizeOfDimension(in1, numberOfDims1 - i);
}
uint32_t dim2 = 1;
if (i <= numberOfDims2)
{
dim2 = getSizeOfDimension(in2, numberOfDims2 - i);
}
if (dim1 != dim2 && dim1 != 1 && dim2 != 1)
{
LOG(ERROR) << "Dimensions mismatch for BroadcastDiv";
return false;
}
out->dimensions[maxDims - i] = std::max(dim1, dim2);
}
}
return true;
}
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