This inheritance list is sorted roughly, but not completely, alphabetically:

Cdelpi::ArgParser	Used to parse command line arguments and produce a corresponding Config object to be used throughout the execution
Cdelpi::BufferLineSource	A class that provides a source for lines of text buffered in memory
Cdelpi::MappedFileSource	A memory-mapped file source for efficiently reading files line by line
CEigen::internal::cast_impl< mpq_class, double >
Cdelpi::Column	Convenient structure representing a column in the LP solver
Cdelpi::Config	Simple dataclass used to store the configuration of the program
Cdelpi::Driver	The Driver is the base class for all the parsers
Cstd::equal_to< delpi::Expression >
Cstd::equal_to< delpi::Variable >
Cstd::exception	STL class
Cstd::logic_error	STL class
Cstd::invalid_argument	STL class
Cdelpi::DelpiInvalidArgumentException	Exception for invalid arguments
Cstd::out_of_range	STL class
Cdelpi::DelpiOutOfRangeException	Exception for out of range errors
Cstd::runtime_error	STL class
Cdelpi::DelpiException	Base class for all exceptions in delpi
Cdelpi::DelpiAssertionException	Exception for assertion failures
Cdelpi::DelpiInvalidArgumentException	Exception for invalid arguments
Cdelpi::DelpiLpSolverException	Exception in the LP solver
Cdelpi::DelpiNotImplementedException	Exception for not yet implemented features
Cdelpi::DelpiNotSupportedException	Exception for not supported features
Cdelpi::DelpiOutOfRangeException	Exception for out of range errors
Cdelpi::DelpiParserException	Exception for parser errors
Cdelpi::DelpiUnreachableException	Exception for unreachable code
Cdelpi::Expression	Represents a symbolic form of an expression
Cdelpi::Formula	Symbolic formula used to represent a constraint in the LP problem
CGenericNumTraits
CEigen::NumTraits< mpq_class >
Cstd::hash< delpi::Expression >
Cstd::hash< delpi::Variable >
Cstd::hash< mpq_class >
Cdelpi::hash::hash_value< T >	Computes the hash value of v using std::hash
Cdelpi::hash::hash_value< std::map< T1, T2 > >	Computes the hash value of a map
Cdelpi::hash::hash_value< std::pair< T1, T2 > >	Computes the hash value of a pair p
Cdelpi::hash::hash_value< std::set< T > >	Computes the hash value of a set s
Cdelpi::hash::hash_value< std::vector< T > >	Computes the hash value of a vector vec
Cdelpi::intrusive_ptr< T >	Pointer to a generic object that supports intrusive reference counting
Cstd::less< delpi::Expression >
Cstd::less< delpi::Variable >
Cdelpi::LineScanner	LineScanner takes care of parsing the MPS file line by line, keeping an internal state and invoking the correct method of the MpsDriver
Cdelpi::LpSolver	Facade class that hides the underlying LP solver used by delpi
Cdelpi::DelpiLpSolver	Linear programming solver using a custom implementation of the Simplex algorithm
Cdelpi::QsoptexLpSolver	Linear programming solver using QSopt_ex
Cdelpi::SoplexLpSolver	Linear programming solver using SoPlex
Cdelpi::LpStats	Collection of statistics for the LP solver
Cdelpi::qsopt_ex::MpqArray	A wrapper around an array of mpq_t elements
Cdelpi::OptionValue< T >	Represents an optional value in dLinear
Cdelpi::Row	Structure representing a row in the LP solver in the form of a linear combination of variables
Cdelpi::SelfReferenceCountingObject	Utility class to be inherited from to obtain compatibility with the intrusive_ptr
Cdelpi::ExpressionCell	Symbolic expression representing an addition between linear monomials
Cdelpi::SolveConfiguration
Cdelpi::Stats	Dataclass collecting statistics about some operation or process
Cdelpi::IterationStats	Dataclass collecting statistics about some operation or process
Cdelpi::TimerBase< T >	Simple timer class to evaluate the performance of the software
Cdelpi::TimerBase< chosen_steady_clock >
Cdelpi::Timer	Timer class using the a steady clock
Cdelpi::TimerBase< user_clock >
Cdelpi::UserTimer	Timer class using the user_clock
Cdelpi::TimerGuard	The TimeGuard wraps a timer object and pauses it when the guard object is destructed
Cdelpi::user_clock	Structure that will hold the user clock data
Cdelpi::Variable	Real symbolic variable
Cdelpi::VariableMap< T >	Map from variables to an arbitrary type T optimised for fast access at the cost of memory
Cdelpi::VariableSet	Set of variables optimised for fast access at the cost of memory