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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "Division.hpp"
#include "Broadcast.hpp"
#include <functional>
#include <cmath>
namespace
{
void ElementwiseDivision(unsigned int numElements,
const float* inData0,
const float* inData1,
float* outData)
{
for (unsigned int i = 0; i < numElements; ++i)
{
if (inData1[i] != 0.0f)
{
outData[i] = inData0[i] / inData1[i];
}
else if (inData0[i] == 0.0f)
{
if (!std::signbit(inData1[i]))
{
outData[i]= NAN;
}
else
{
outData[i]= -NAN;
}
}
else if (inData0[i] < 0.0f)
{
if (!std::signbit(inData1[i]))
{
outData[i] = -INFINITY;
}
else
{
outData[i] = INFINITY;
}
}
else
{
if (!std::signbit(inData1[i]))
{
outData[i] = INFINITY;
}
else
{
outData[i] = -INFINITY;
}
}
}
}
} // namespace
namespace armnn
{
void Division(const TensorShape& inShape0,
const TensorShape& inShape1,
const TensorShape& outShape,
const float* inData0,
const float* inData1,
float* outData)
{
if (inShape0 == inShape1)
{
ElementwiseDivision(inShape0.GetNumElements(), inData0, inData1, outData);
}
else
{
BroadcastLoop(inShape0, inShape1, outShape).Unroll(std::divides<float>(),
0,
inData0,
inData1,
outData);
}
}
} //namespace armnn
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