小煜
ab91b120e6
- 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
105 lines
3.2 KiB
Python
105 lines
3.2 KiB
Python
# PuLP : Python LP Modeler
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# Copyright (c) 2002-2005, Jean-Sebastien Roy (js@jeannot.org)
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# Modifications Copyright (c) 2007- Stuart Anthony Mitchell (s.mitchell@auckland.ac.nz)
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# $Id:constants.py 1791 2008-04-23 22:54:34Z 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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This file contains the constant definitions for PuLP
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Note that hopefully these will be changed into something more pythonic
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"""
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VERSION = "2.7.0"
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EPS = 1e-7
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# variable categories
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LpContinuous = "Continuous"
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LpInteger = "Integer"
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LpBinary = "Binary"
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LpCategories = {LpContinuous: "Continuous", LpInteger: "Integer", LpBinary: "Binary"}
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# objective sense
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LpMinimize = 1
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LpMaximize = -1
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LpSenses = {LpMaximize: "Maximize", LpMinimize: "Minimize"}
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LpSensesMPS = {LpMaximize: "MAX", LpMinimize: "MIN"}
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# problem status
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LpStatusNotSolved = 0
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LpStatusOptimal = 1
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LpStatusInfeasible = -1
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LpStatusUnbounded = -2
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LpStatusUndefined = -3
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LpStatus = {
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LpStatusNotSolved: "Not Solved",
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LpStatusOptimal: "Optimal",
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LpStatusInfeasible: "Infeasible",
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LpStatusUnbounded: "Unbounded",
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LpStatusUndefined: "Undefined",
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}
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# solution status
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LpSolutionNoSolutionFound = 0
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LpSolutionOptimal = 1
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LpSolutionIntegerFeasible = 2
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LpSolutionInfeasible = -1
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LpSolutionUnbounded = -2
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LpSolution = {
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LpSolutionNoSolutionFound: "No Solution Found",
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LpSolutionOptimal: "Optimal Solution Found",
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LpSolutionIntegerFeasible: "Solution Found",
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LpSolutionInfeasible: "No Solution Exists",
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LpSolutionUnbounded: "Solution is Unbounded",
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}
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LpStatusToSolution = {
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LpStatusNotSolved: LpSolutionInfeasible,
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LpStatusOptimal: LpSolutionOptimal,
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LpStatusInfeasible: LpSolutionInfeasible,
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LpStatusUnbounded: LpSolutionUnbounded,
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LpStatusUndefined: LpSolutionInfeasible,
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}
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# constraint sense
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LpConstraintLE = -1
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LpConstraintEQ = 0
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LpConstraintGE = 1
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LpConstraintTypeToMps = {LpConstraintLE: "L", LpConstraintEQ: "E", LpConstraintGE: "G"}
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LpConstraintSenses = {LpConstraintEQ: "=", LpConstraintLE: "<=", LpConstraintGE: ">="}
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# LP line size
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LpCplexLPLineSize = 78
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def isiterable(obj):
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try:
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obj = iter(obj)
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except:
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return False
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else:
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return True
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class PulpError(Exception):
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"""
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Pulp Exception Class
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"""
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pass
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