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- 添加Blender插件核心文件：__init__.py、ui.py、property.py、preference.py - 添加插件工具模块：g.py、loop.py、generate_loop.py、const.py、op.py - 添加翻译工具：utils/trans.py - 添加PuLP线性规划库及其依赖文件，包括CBC求解器二进制文件 - 添加.gitignore和VSCode配置文件
89 lines
3.3 KiB
Python
89 lines
3.3 KiB
Python
# Sparse : Python basic dictionary sparse matrix
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# Copyright (c) 2007, Stuart Mitchell (s.mitchell@auckland.ac.nz)
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# $Id: sparse.py 1704 2007-12-20 21:56:14Z smit023 $
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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"""
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sparse this module provides basic pure python sparse matrix implementation
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notably this allows the sparse matrix to be output in various formats
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"""
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class Matrix(dict):
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"""This is a dictionary based sparse matrix class"""
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def __init__(self, rows, cols):
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"""initialises the class by creating a matrix that will have the given
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rows and columns
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"""
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self.rows = rows
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self.cols = cols
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self.rowdict = {row: {} for row in rows}
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self.coldict = {col: {} for col in cols}
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def add(self, row, col, item, colcheck=False, rowcheck=False):
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if not (rowcheck and row not in self.rows):
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if not (colcheck and col not in self.cols):
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dict.__setitem__(self, (row, col), item)
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self.rowdict[row][col] = item
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self.coldict[col][row] = item
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else:
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print(self.cols)
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raise RuntimeError(f"col {col} is not in the matrix columns")
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else:
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raise RuntimeError(f"row {row} is not in the matrix rows")
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def addcol(self, col, rowitems):
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"""adds a column"""
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if col in self.cols:
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for row, item in rowitems.items():
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self.add(row, col, item, colcheck=False)
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else:
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raise RuntimeError("col is not in the matrix columns")
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def get(self, k, d=0):
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return dict.get(self, k, d)
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def col_based_arrays(self):
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numEls = len(self)
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elemBase = []
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startsBase = []
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indBase = []
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lenBase = []
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for i, col in enumerate(self.cols):
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startsBase.append(len(elemBase))
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elemBase.extend(list(self.coldict[col].values()))
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indBase.extend(list(self.coldict[col].keys()))
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lenBase.append(len(elemBase) - startsBase[-1])
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startsBase.append(len(elemBase))
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return numEls, startsBase, lenBase, indBase, elemBase
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if __name__ == "__main__":
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"""unit test"""
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rows = list(range(10))
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cols = list(range(50, 60))
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mat = Matrix(rows, cols)
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mat.add(1, 52, "item")
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mat.add(2, 54, "stuff")
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print(mat.col_based_arrays())
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