internal CostFunction compileCostFunction(AllSections sections)
{
var func = compileFunction(prepareFunctionCode(sections, sections.CostFunctionSection.Function));
testFunction(func.Item1, sections.DimensionSection.Dim);
return(new CostFunction(func.Item1, func.Item2));
}
private string prepareFunctionCode(AllSections sections, string funcCode)
{
string code = string.Format("(System.Func<Vector, double>)( (x) => {0} )", funcCode);
if (sections.ParametersSection != null)
{
code = string.Format("{0}\n{1}", sections.ParametersSection.Content, code);
}
return(code);
}
public Task Parse(string input)
{
AllSections sections = SectionsParser.ParseSections(input);
return(new Task
(
(int)sections.DimensionSection.Dim,
compileCostFunction(sections),
compileConstraints(sections),
input
));
}
internal List <Constraint> compileConstraints(AllSections sections)
{
if (sections.ConstraintsSection != null)
{
return(sections.ConstraintsSection.Constraints.Select((s) =>
{
var func = compileFunction(prepareFunctionCode(sections, s.LhsOnlyVersion));
testFunction(func.Item1, sections.DimensionSection.Dim);
return new Constraint(func.Item1, s.Type, func.Item2);
}).ToList());
}
else
{
return(new List <Constraint>());
}
}
public static AllSections ParseSections(string c)
{
string input = InputPreprocesor.ReplaceNumberedVaraiblesWithIndexedOnes(c);
List <Section> sections = Split(input);
EnforceSectionsAreUnique(sections);
foreach (var s in sections)
{
s.Parse();
}
try
{
AllSections result = new AllSections()
{
DimensionSection = sections.SingleOrDefault((s) => s.GetType() == typeof(DimensionSection)) as DimensionSection,
ParametersSection = sections.SingleOrDefault((s) => s.GetType() == typeof(ParametersSection)) as ParametersSection,
CostFunctionSection = sections.Single((s) => s.GetType() == typeof(CostFunctionSection)) as CostFunctionSection,
ConstraintsSection = sections.SingleOrDefault((s) => s.GetType() == typeof(ConstraintsSection)) as ConstraintsSection
};
if (result.DimensionSection == null)
{
uint dim = InputPreprocesor.FindDimension(input);
result.DimensionSection = new DimensionSection()
{
Dim = dim,
Content = dim.ToString() + ";"
};
}
return(result);
}
catch (InvalidOperationException)
{
throw new ArgumentException("Nie znaleziono wymaganej sekcji: '$fuction'");
}
}
