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C++ DataStorage::size方法代码示例

本文整理汇总了C++中DataStorage::size方法的典型用法代码示例。如果您正苦于以下问题:C++ DataStorage::size方法的具体用法?C++ DataStorage::size怎么用?C++ DataStorage::size使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在DataStorage的用法示例。


在下文中一共展示了DataStorage::size方法的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: redundantInput

void FftClFft::
        computeC2R( Tfr::ChunkData::Ptr input, DataStorage<float>::Ptr output )
{
    unsigned denseWidth = input->size().width;
    unsigned redundantWidth = output->size().width;

    EXCEPTION_ASSERT( denseWidth == redundantWidth/2+1 );

    Tfr::ChunkData::Ptr redundantInput( new Tfr::ChunkData( redundantWidth, input->size().height ));

    {
        Tfr::ChunkElement* in = CpuMemoryStorage::ReadOnly<1>( input ).ptr();
        Tfr::ChunkElement* out = CpuMemoryStorage::WriteAll<1>( redundantInput ).ptr();
        unsigned x;
        for (x=0; x<denseWidth; ++x)
            out[x] = in[x];
        for (; x<redundantWidth; ++x)
            out[x] = conj(in[redundantWidth - x]);
    }

    Tfr::ChunkData::Ptr complexoutput( new Tfr::ChunkData( output->size()));

    computeWithClFft(redundantInput, complexoutput, FftDirection_Inverse);

    ::stftDiscardImag( complexoutput, output );
}
开发者ID:aveminus,项目名称:freq,代码行数:26,代码来源:fftclfft.cpp

示例2: complexinput

void FftClFft::
        computeR2C( DataStorage<float>::Ptr input, Tfr::ChunkData::Ptr output )
{
    unsigned denseWidth = output->size().width;
    unsigned redundantWidth = input->size().width;

   EXCEPTION_ASSERT( denseWidth == redundantWidth/2+1 );

    // interleave input to complex data
   Tfr::ChunkData::Ptr complexinput( new Tfr::ChunkData( input->size()));
   ::stftToComplex( input, complexinput );

    // make room for full output
    Tfr::ChunkData::Ptr redundantOutput( new Tfr::ChunkData( redundantWidth ));

    // compute
    computeWithClFft(complexinput, redundantOutput, FftDirection_Forward);

    // discard redundant output
    {
        Tfr::ChunkElement* in = CpuMemoryStorage::ReadOnly<1>( redundantOutput ).ptr();
        Tfr::ChunkElement* out = CpuMemoryStorage::WriteAll<1>( output ).ptr();
        unsigned x;
        for (x=0; x<denseWidth; ++x)
            out[x] = in[x];
    }
}
开发者ID:aveminus,项目名称:freq,代码行数:27,代码来源:fftclfft.cpp

示例3: compute

void FftClFft::
        compute(DataStorage<float>::Ptr input, Tfr::ChunkData::Ptr output, DataStorageSize n )
{
    unsigned denseWidth = n.width/2+1;

    EXCEPTION_ASSERT( output->numberOfElements()/denseWidth == n.height );
    EXCEPTION_ASSERT( input->numberOfElements()/n.width == n.height );

    // interleave input to complex data
    Tfr::ChunkData::Ptr complexinput( new Tfr::ChunkData( input->size()));
    ::stftToComplex( input, complexinput );

    // make room for full output
    Tfr::ChunkData::Ptr redundantOutput( new Tfr::ChunkData( n.width*n.height ));

    // compute
    computeWithClFft(complexinput, redundantOutput, n, FftDirection_Forward);

    // discard redundant output
    Tfr::ChunkElement* in = CpuMemoryStorage::ReadOnly<1>( redundantOutput ).ptr();
    Tfr::ChunkElement* out = CpuMemoryStorage::WriteAll<1>( output ).ptr();
#pragma omp parallel for
    for (int i=0; i < (int)n.height; ++i)
    {
        unsigned x;
        for (x=0; x<denseWidth; ++x)
            out[i*denseWidth + x] = in[i*n.width + x];
    }
}
开发者ID:aveminus,项目名称:freq,代码行数:29,代码来源:fftclfft.cpp

示例4: printDataStorageStats

std::string DataStorageString::
        printDataStorageStats(DataStorage<float>::ptr data)
{
    std::stringstream ss;
    Statistics<float> s(data, false, true);
    ss << "size = " << data->size () << ", min = " << *s.getMin () << ", max = " << *s.getMax ()
       << ", mean = " << s.getMean () << ", std = " << s.getStd ();

    return ss.str();
}
开发者ID:aveminus,项目名称:freq,代码行数:10,代码来源:datastoragestring.cpp

示例5: printDataStorage

std::string DataStorageString::
        printDataStorage(DataStorage<float>::ptr data)
{
    EXCEPTION_ASSERT(data);

    std::stringstream ss;
    DataStorageSize sz = data->size ();
    ss << sz;
    float *p = sz.width ? data->getCpuMemory () : 0;

    if (sz.depth>1) {
        for (int z=0; z<sz.depth; ++z) {
            for (int y=0; y<sz.height; ++y) {
                ss << std::endl << "[z:" << z << ", y:" << y << "] = { ";

                float *q = p + y*sz.width + z*sz.height*sz.width;

                if (sz.width)
                    ss << q[0];

                for (int x=1; x<sz.width; ++x)
                    ss << ", " << q[x];

                ss << " }";
            }
        }
    } else if (sz.height>1) {
        for (int y=0; y<sz.height; ++y) {
            ss << std::endl << "[y:" << y << "] = { ";

            float *q = p + y*sz.width;

            if (sz.width)
                ss << q[0];

            for (int x=1; x<sz.width; ++x)
                ss << ", " << q[x];

            ss << " }";
        }
    } else {
        ss << " = { ";

        if (sz.width)
            ss << p[0];

        for (int x=1; x<sz.width; ++x)
            ss << ", " << p[x];

        ss << " }";
    }

    return ss.str ();
}
开发者ID:aveminus,项目名称:freq,代码行数:54,代码来源:datastoragestring.cpp

示例6: ComputationSynchronize

void FftClFft::
        inverse(Tfr::ChunkData::Ptr input, DataStorage<float>::Ptr output, DataStorageSize n )
{
    unsigned denseWidth = n.width/2+1;
    unsigned redundantWidth = n.width;
    unsigned batchcount1 = output->numberOfElements()/redundantWidth,
             batchcount2 = input->numberOfElements()/denseWidth;

    EXCEPTION_ASSERT( batchcount1 == batchcount2 );
    EXCEPTION_ASSERT( (denseWidth-1)*2 == redundantWidth );
    EXCEPTION_ASSERT( redundantWidth*n.height == output->numberOfElements() );

    Tfr::ChunkData::Ptr redundantInput( new Tfr::ChunkData( n.height*redundantWidth ));

    {
        Tfr::ChunkElement* in = CpuMemoryStorage::ReadOnly<1>( input ).ptr();
        Tfr::ChunkElement* out = CpuMemoryStorage::WriteAll<1>( redundantInput ).ptr();
#pragma omp parallel for
        for (int i=0; i < (int)n.height; ++i)
        {
            unsigned x;
            for (x=0; x<denseWidth; ++x)
                out[i*redundantWidth + x] = in[i*denseWidth + x];
            for (; x<redundantWidth; ++x)
                out[i*redundantWidth + x] = conj(in[i*denseWidth + redundantWidth - x]);
        }
    }

    Tfr::ChunkData::Ptr complexoutput( new Tfr::ChunkData( output->size()));

    computeWithClFft(redundantInput, complexoutput, DataStorageSize( redundantWidth, n.height), FftDirection_Inverse);

    ::stftDiscardImag( complexoutput, output );

    TIME_STFT ComputationSynchronize();
}
开发者ID:aveminus,项目名称:freq,代码行数:36,代码来源:fftclfft.cpp


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