/// <summary>
/// adds multiple fixed rules to the quadrature scheme <paramref name="scheme"/>;
/// this can be used to explicitly specify a quadrature rule, the choice of the order during the compilation of the scheme
/// (see <see cref="QuadratureScheme{A,B}.Compile"/>) will have no effect.
/// </summary>
public static CellQuadratureScheme AddFixedRuleS <TQuadRule>(this CellQuadratureScheme scheme, IEnumerable <TQuadRule> fixedRules, CellMask[] domain = null)
where TQuadRule : QuadRule
{
if (domain != null)
{
if (domain.Count() != fixedRules.Count())
{
throw new ArgumentException();
}
}
for (int i = 0; i < fixedRules.Count(); i++)
{
scheme.AddFactoryDomainPair(new FixedRuleFactory <TQuadRule>(fixedRules.ElementAt(i)), (domain != null) ? domain[i] : null);
}
return(scheme);
}
/// <summary>
/// Compilation of a cell volume scheme, even if it is null!
/// </summary>
public static ICompositeQuadRule <QuadRule> SaveCompile(this CellQuadratureScheme scheme, IGridData g, int order)
{
// sometimes, a bit of repetition seems easier ...
scheme = (scheme ?? new CellQuadratureScheme(true));
return(scheme.Compile(g, order));
}
/// <summary>
/// adds a standard(Gaussian) quadrature rule to the quadrature scheme <paramref name="scheme"/>.
/// </summary>
public static CellQuadratureScheme AddStandardRule(this CellQuadratureScheme scheme, Grid.RefElements.RefElement s)
{
scheme.AddFactoryDomainPair(new StandardQuadRuleFactory(s), null);
return(scheme);
}
/// <summary>
/// adds rules with fixed quadrature order to the quadrature scheme <paramref name="scheme"/>;
/// this can be used to explicitly specify the quadrature order, the choice of the order during the compilation of the scheme
/// (see <see cref="QuadratureScheme{A,B}.Compile"/>) will have no effect.
/// </summary>
public static CellQuadratureScheme AddFixedOrderRules(this CellQuadratureScheme scheme, IGridData GridDat, int order)
{
var QRs = GridDat.iGeomCells.RefElements.Select(Kref => Kref.GetQuadratureRule(order));
return(scheme.AddFixedRuleS <QuadRule>(QRs));
}
/// <summary>
/// adds a factory to a cell quadrature scheme
/// </summary>
public static CellQuadratureScheme AddFactory <TQuadRule>(this CellQuadratureScheme scheme, IQuadRuleFactory <TQuadRule> factory)
where TQuadRule : QuadRule
{
scheme.AddFactoryDomainPair(factory, default(CellMask));
return(scheme);
}