55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
#pragma once
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#ifndef __CVTT_AGGREGATEDERROR_H__
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#define __CVTT_AGGREGATEDERROR_H__
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#include "ConvectionKernels_ParallelMath.h"
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namespace cvtt
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{
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namespace Internal
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{
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template<int TVectorSize>
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class AggregatedError
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{
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public:
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typedef ParallelMath::UInt16 MUInt16;
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typedef ParallelMath::UInt31 MUInt31;
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typedef ParallelMath::Float MFloat;
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AggregatedError()
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{
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for (int ch = 0; ch < TVectorSize; ch++)
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m_errorUnweighted[ch] = ParallelMath::MakeUInt31(0);
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}
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void Add(const MUInt16 &channelErrorUnweighted, int ch)
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{
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m_errorUnweighted[ch] = m_errorUnweighted[ch] + ParallelMath::ToUInt31(channelErrorUnweighted);
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}
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MFloat Finalize(uint32_t flags, const float channelWeightsSq[TVectorSize]) const
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{
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if (flags & cvtt::Flags::Uniform)
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{
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MUInt31 total = m_errorUnweighted[0];
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for (int ch = 1; ch < TVectorSize; ch++)
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total = total + m_errorUnweighted[ch];
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return ParallelMath::ToFloat(total);
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}
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else
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{
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MFloat total = ParallelMath::ToFloat(m_errorUnweighted[0]) * channelWeightsSq[0];
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for (int ch = 1; ch < TVectorSize; ch++)
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total = total + ParallelMath::ToFloat(m_errorUnweighted[ch]) * channelWeightsSq[ch];
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return total;
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}
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}
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private:
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MUInt31 m_errorUnweighted[TVectorSize];
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};
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}
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}
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#endif
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