Table of Contents

General stuff

• NGSolve
• The Components of NGSolve

Namespaces

• ngbla namespace for basic linear algebra
• ngfem namespace for finite elements
• ngla namespace for linear algebra
• ngstd namespace for standard data types and algorithms

Classes

• ARRAY Dynamic array container.
• ArrayRangeException Exception thrown by array range check.
• B1DB2Integrator Mixed element matrix assembling.
• BaseBlockJacobiPrecond Block - Jacobi and Gauss Seidel smoother
• BaseDynamicTable Base class to generic DynamicTable
• BaseFlatMatrix Static base class for FlatMatrix.
• BaseFlatVector Static base class for FlatVector.
• BaseJacobiPrecond Jacobi and Gauss Seidel smoother for scalar, block and system matrices
• BaseMatrix
• BaseSparseMatrix
• BaseSymbolTable Base class for generic SymbolTable.
• BaseTable Base class of Table container.
• BaseVec Base class for Vec.
• BaseVector Base vector for linalg
• BilinearFormIntegrator A BilinearFormIntegrator computes the element matrices.
• BitArray A compressed array of bools.
• BlockAllocator Optimized memory handler.
• BlockJacobiPrecond
• BlockJacobiPrecondSymmetric
• CGSolver
• CliqueEl
• CoefficientFunction coefficient functions
• Complex2RealException Complex to double assignment called
• ConstantCoefficientFunction The coefficient is constant everywhere
• CurlBoundaryEdgeIntegrator
• CurlCurlEdgeIntegrator
• CurlCurlEdgeOrthoIntegrator
• CurlEdgeIntegrator
• DMat orthotropic tensor.
• DMatOp Coefficient tensor.
• DVec
• DiagDMat diagonal tensor, all values are the same
• DiffOp Differential Operator.
• DiffOpCurlBoundaryEdge Curl on boundary
• DiffOpCurlEdge Operator , co-variant transformation
• DiffOpGradient Gradient operator of dimension D
• DiffOpGradientRotSym Gradient operator in r-z coordinates
• DiffOpId Identity
• DiffOpIdBoundary Identity on boundary
• DiffOpIdBoundaryEdge Identity on boundary
• DiffOpIdEdge Identity operator, covariant transformation
• DiffOpStrain Elasticity operator
• DivIntegrator
• DomainConstantCoefficientFunction The coefficient is constant in every sub-domain
• DomainInternalCoefficientFunction
• DomainVariableCoefficientFunction
• DynamicTable A dynamic table class.
• EigenSystem Lanczos Eigen system calculation
• ElasticityDMat 2D plane strain, and 3D
• ElasticityEquilibriumIntegrator
• ElasticityEquilibriumIntegratorStab
• ElasticityIntegrator
• ElementTransformation Transformation from reference element to physical element.
• EquilibriumForceIntegrator
• EquilibriumIntegrator realizations of equilibrium methods ref: R.
• EquilibriumIntegratorxxx by penalty
• EvalFunction Numerical expression parser.
• Exception Base class for all ng exceptions
• Expr Expr is the base class for all matrix template expressions.
• FE_Augmented_SegmP
• FE_Augmented_TetP
• FE_Augmented_TrigP
• FE_BDFMPrism2 Space: BDFMTrig2 x P1 + P1 x P2 total: 2*9+3*3 = 27 dofs extern: 3*4 quad dofs 2*3 trig dofs
• FE_BDFMTet2
• FE_BDFMTrig2
• FE_BDMPrism1 Space: Q1,1 + z-bubbles
• FE_BDMPrism1p Space: Q1,1 + z-bubbles
• FE_BDMQuad1
• FE_BDMTet1
• FE_BDMTrig1
• FE_BDMTrig1plus BDM1 + H(div)-bubble curl B3
• FE_BDMTrig2
• FE_BDMTrig2plus
• FE_Hex0
• FE_Hex1
• FE_HexP
• FE_NcSegm1 Non-conforming finite elements
• FE_NcTet1
• FE_NcTrig1
• FE_NedelecPrism1
• FE_NedelecPrism1b
• FE_NedelecPrism1bAniso
• FE_NedelecPrism2
• FE_NedelecPrism2bAniso gradients of Q3,1
• FE_NedelecPrism2bAniso1 gradients of Q3,2
• FE_NedelecPrism2bAnisoK gradients of Q3,k+1
• FE_NedelecPyramid1
• FE_NedelecPyramid1b extension to Nedelec type II
• FE_NedelecPyramid2
• FE_NedelecQuad1 Gradients of Q1
• FE_NedelecQuad2 Gradients of Q2,2
• FE_NedelecQuad2z1 Gradients of Q2,1
• FE_NedelecQuad3 \nabla Q3,3
• FE_NedelecQuad3z2 \nabla Q3,2
• FE_NedelecSegm1
• FE_NedelecSegm2
• FE_NedelecSegm3
• FE_NedelecTet1
• FE_NedelecTet2
• FE_NedelecTet3 2nd order Nedelec element of class II
• FE_NedelecTrig1 Lowest order Nedelec
• FE_NedelecTrig2 Nedelec type 2, order 1, gradients of P2
• FE_NedelecTrig3 Nedelec type 2, order 2, gradients of P3
• FE_Prism0
• FE_Prism1
• FE_Prism2 second order
• FE_Prism2HBaniso in plane second order
• FE_Prism2aniso in plane second order
• FE_Prism3aniso in plane third order
• FE_PrismP
• FE_Pyramid0
• FE_Pyramid1
• FE_Pyramid2
• FE_Quad0
• FE_Quad1
• FE_Quad2aniso second order x, first order y
• FE_QuadP
• FE_RTQuad0
• FE_RTSegm0
• FE_RTSegm1
• FE_RTSegm2
• FE_RTTrig0
• FE_RTTrig0plus
• FE_Segm0
• FE_Segm1
• FE_Segm1L2
• FE_Segm2
• FE_Segm2HB
• FE_Segm2L2
• FE_Segm3Pot potential space for Nedelec IIb
• FE_SegmP high order finite element
• FE_TNedelecPrism2 \nabla Q (2,ZORDER)
• FE_TNedelecPrism3 \nabla Q (3,ZORDER)
• FE_Tet0
• FE_Tet1
• FE_Tet2
• FE_Tet2HB
• FE_Tet3Pot
• FE_TetP
• FE_Trig0
• FE_Trig1
• FE_Trig2
• FE_Trig2HB
• FE_Trig3Pot potential space for Nedelec IIb
• FE_TrigP
• FiniteElement Base class finite element.
• Flags A storage for command-line flags.
• FlatArray A simple array container.
• FlatMatrix A simple matrix.
• FlatMatrixFixHeight A Matrix which height is known at compile time No memory allocation/deallocation.
• FlatMatrixFixWidth A Matrix with width known at compile time No memory allocation/deallocation.
• FlatVector A simple vector.
• HCurlFiniteElement
• HDivFiniteElement
• HashTable A hash-table.
• INT N integers
• Id Identity Matrix of fixed size
• IntTable Integer Table
• IntegrationPoint
• IntegrationRule
• IntegrationRules
• Integrator Base class for linear-form and bilinear-form integrators.
• JacobiPrecond
• JacobiPrecondSymmetric
• KrylovSpaceSolver Krylov Space Solver
• LaplaceIntegrator
• LinearFormIntegrator Integrator for element vector
• LocalHeap Optimized memory handler.
• LocalHeapOverflow Exception on heap overflow.
• MDOPriorityQueue
• MDOVertex
• MassEdgeAnisotropicIntegrator
• MassEdgeIntegrator
• MassEdgeOrthoIntegrator
• MassIntegrator
• Mat A matrix of fixed size.
• MatExpr The base class for matrices
• Matrix A Matrix class with memory allocation/deallocation
• MatrixFixHeight A Matrix class with memory allocation/deallocation
• MatrixFixWidth A Matrix class with memory allocation/deallocation
• MatrixGraph The graph of a sparse matrix
• MatrixNotFittingException matrices do not fit for matrix-matrix operation
• MemoryUsageStruct Reports amount of used memory
• MinimumDegreeOrdering
• MinusExpr minus Matrix-expr
• MultExpr Matrix-expr timex Matrix-expr
• NeumannEdgeIntegrator3d
• NeumannIntegrator
• NodalFiniteElement Nodal finite element.
• NormalDMat
• OrthoLaplaceIntegrator
• PlaneStressDMat
• QMRSolver
• RangeException Our of range exception used for arrays, vectors and matrices
• RefMatExpr Reference to matrix expression.
• RobinEdgeIntegrator
• RobinIntegrator integrator for
• RotSymLaplaceIntegrator
• S_BaseMatrix
• S_BaseVector Decision between double or Complex
• ScalExpr A scalar expression
• ScaleExpr Scalar times Matrix-expr
• SourceEdgeIntegrator
• SourceIntegrator
• SparseCholesky
• SparseMatrix
• SparseMatrixSymmetric
• SpecCoefficientFunction Base-class for template-polymorphismus
• SpecificIntegrationPoint ip, dimension source, dimension range
• SubExpr Matrix-expr minus Matrix-expr
• SumExpr Sum of 2 matrix expressions
• SymDMat full symmetric tensor
• SymbolTable A symbol table.
• SysVector A system vector
• T_BDBIntegrator Element assembling.
• T_BIntegrator Element assembling.
• T_NodalFiniteElement Base-element for template polymorphism.
• Table A compact Table container.
• TempVector A cheap vector object represented as pointer-to-basevector.
• TransExpr Transpose of Matrix-expr
• Transpose
• TreeExpr TreeExpr is the base class for expression trees
• VFlatVector A specific vector based on FlatVector
• VMatVecExpr
• VScaleExpr
• VSubExpr
• VSumExpr
• VVecExpr Base class to linalg expression templates
• VVector A specific vector based on Vector
• Vec A vector of fixed size.
• Vector A Vector class with memory allocation/deallocation
• mat_from_vecs matrix type from column and row vectors
• mat_prod_type matrix type of product
• mat_scale_type matrix type of scale
• mat_sum_type matrix type of sum (important for double+Complex)
• mat_traits Trait to access small matrix dimensions

Functions

• BubbleSort bubble sort array
• CalcInverse Calculate inverse.
• HashValue hash value of 3 int
• HashValue hash value of 1 int
• HashValue hash value of 2 int
• Height Height of matrix
• InnerProduct
• L2Norm
• L2Norm2 Euklidean norm squared
• MergeSort merger sort array, use help array of same size
• ReduceComplex converts Complex to type T.
• ReduceToReal converts type T to double.
• S_InnerProduct
• Sort sort 3 integers
• Sort sort 2 integers
• Swap swap 2 elements.
• TA::TSCALInnerProduct Inner product
• Trans Transpose
• Width Width of matrix
• max2 max of 2 values
• max3 max of 3 values
• min2 min of 2 values
• min3 min of 3 values
• operator<< Print integers
• operator<< prints BitArray
• operator<<
• operator<< Print flags
• operator<< Print table
• operator<< Print matrix-expr
• pow3 element to the third power
• sgn sign of value (+1, 0, -1)
• sqr square element

Variables

• intrules global variable:

Macros

• FILE_FINITEELEMENT Finite Element Type declaration

Typedefs

• EDGE[2] coordinates
• FACE[4] initial point, end point

Hierarchy of classes