transform_matrix() [2/2]

template<OperationReadyData DataType>

DataType MayaFlux::Yantra::transform_matrix	(	DataType &	input,
		const Eigen::MatrixXd &	transformation_matrix,
		std::vector< std::vector< double > > &	working_buffer
	)

Matrix transformation using existing infrastructure (OUT-OF-PLACE)

Template Parameters

DataType

OperationReadyData type

Parameters

input	Input data - will NOT be modified
transformation_matrix	Matrix to apply
working_buffer	Buffer for operations (will be resized if needed)

Returns

Transformed data

Definition at line 443 of file MatrixHelper.hpp.

{
    auto [target_data, structure_info] = OperationHelper::setup_operation_buffer(input, working_buffer);
 
    for (size_t channel_idx = 0; channel_idx < target_data.size(); ++channel_idx) {
        auto& channel_span = target_data[channel_idx];
        if (transformation_matrix.cols() == static_cast<long>(channel_span.size())) {
            Eigen::Map<Eigen::VectorXd> data_vector(channel_span.data(), channel_span.size());
            Eigen::VectorXd result = transformation_matrix * data_vector;
 
            working_buffer[channel_idx].resize(result.size());
            std::ranges::copy(result, working_buffer[channel_idx].begin());
        }
    }
 
    return OperationHelper::reconstruct_from_double<DataType>(working_buffer, structure_info);
}

References MayaFlux::Yantra::OperationHelper::setup_operation_buffer().

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