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132 lines
4.3 KiB
132 lines
4.3 KiB
#Region "Microsoft.VisualBasic::20c22b0b0d9c962c490f706d4fbc4010, Distribute_computing\GridDynamics_plugins\IO\GridSystemIOExtensions.vb"
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' Author:
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'
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' asuka (amethyst.asuka@gcmodeller.org)
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' xie (genetics@smrucc.org)
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' xieguigang (xie.guigang@live.com)
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'
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' Copyright (c) 2018 GPL3 Licensed
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'
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'
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' GNU GENERAL PUBLIC LICENSE (GPL3)
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'
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'
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' This program is free software: you can redistribute it and/or modify
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' it under the terms of the GNU General Public License as published by
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' the Free Software Foundation, either version 3 of the License, or
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' (at your option) any later version.
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'
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' This program is distributed in the hope that it will be useful,
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' but WITHOUT ANY WARRANTY; without even the implied warranty of
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' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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' GNU General Public License for more details.
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'
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' You should have received a copy of the GNU General Public License
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' along with this program. If not, see <http://www.gnu.org/licenses/>.
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' /********************************************************************************/
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' Summaries:
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' Module GridSystemIOExtensions
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'
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' Function: LoadGridSystem, PopVectorStream
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'
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' Sub: Serialize
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'
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' /********************************************************************************/
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#End Region
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Imports System.IO
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Imports System.Runtime.CompilerServices
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Imports Microsoft.VisualBasic.Data.IO
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Imports Microsoft.VisualBasic.Language
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Imports Microsoft.VisualBasic.MachineLearning.Darwinism.NonlinearGridTopology
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Imports Microsoft.VisualBasic.Math.LinearAlgebra
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Public Module GridSystemIOExtensions
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<Extension>
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Public Sub Serialize(grid As GridSystem, save As Stream, Optional chunkSize% = 1024)
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Dim A As Stream = grid.A.PopVectorStream(chunkSize)
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Dim B As Stream = grid.C _
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.Select(Function(cor) cor.BC) _
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.AsVector _
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.PopVectorStream(chunkSize)
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Call save.Seek(Scan0, SeekOrigin.Begin)
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Using writer As New BinaryDataWriter(save)
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Call writer.Write(grid.C.Length) ' i32
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Call writer.Write(grid.AC) ' f64
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Call writer.Write(A.Length) ' i64
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Call writer.Write(A) ' bytes
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Call writer.Write(B.Length) ' i64
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Call writer.Write(B) ' bytes
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Call A.Dispose()
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Call B.Dispose()
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For Each factor As MemoryStream In grid.C _
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.Select(Function(cor)
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Return cor.B.PopVectorStream(chunkSize)
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End Function)
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Call writer.Write(factor.Length) ' i64
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Call writer.Write(factor) ' bytes
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Call factor.Dispose()
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Next
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End Using
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End Sub
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<Extension>
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Private Function PopVectorStream(v As Vector, chunkSize%) As MemoryStream
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Dim ms As New MemoryStream
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Call v.Serialize(save:=ms, chunkSize:=chunkSize)
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Return ms
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End Function
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<Extension>
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Public Function LoadGridSystem(stream As Stream) As GridSystem
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Using reader As New BinaryDataReader(stream)
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Dim width% = reader.ReadInt32
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Dim A_const# = reader.ReadDouble
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Dim subSize&
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Dim subChunk As Byte()
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Dim grid As New GridSystem With {.AC = A_const}
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Dim cor As New List(Of Correlation)
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Dim grid_B As Vector
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' A
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subSize = reader.ReadInt64
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subChunk = reader.ReadBytes(subSize)
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grid.A = New MemoryStream(subChunk).LoadVector
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' B
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subSize = reader.ReadInt64
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subChunk = reader.ReadBytes(subSize)
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grid_B = New MemoryStream(subChunk).LoadVector
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' read correlation matrix
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For i As Integer = 0 To width - 1
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subSize = reader.ReadInt64
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subChunk = reader.ReadBytes(subSize)
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cor += New Correlation With {
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.BC = grid_B(i),
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.B = New MemoryStream(subChunk).LoadVector
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}
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Next
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grid.C = cor
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Return grid
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End Using
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End Function
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End Module
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