Function.h File Reference
`#include <libqalculate/ExpressionItem.h>`
`#include <libqalculate/Number.h>`
`#include <libqalculate/includes.h>`

## Classes

class | MathFunction
| Abstract base class for mathematical functions. More...
class | UserFunction
| A user defined mathematical function. More...
class | Argument
| A mathematical function argument definition with free value and base class for all argument definitions. More...
class | NumberArgument
| A definition for numerical arguments. More...
class | IntegerArgument
| A definition for integer arguments. More...
class | SymbolicArgument
| A symbolic argument. More...
class | TextArgument
| A text argument. More...
class | DateArgument
| A date argument. More...
class | VectorArgument
| A std::vector argument. More...
class | MatrixArgument
| A matrix argument. More...
class | ExpressionItemArgument
| Argument for functions, variables and units. More...
class | FunctionArgument
| A function argument. More...
class | BooleanArgument
| A boolean argument. More...
class | UnitArgument
class | AngleArgument
class | VariableArgument
class | FileArgument
class | ArgumentSet
| A set of accepted arguments. More...

## Enumerations

enum

ArgumentType {
ARGUMENT_TYPE_FREE , ARGUMENT_TYPE_SYMBOLIC , ARGUMENT_TYPE_TEXT , ARGUMENT_TYPE_DATE ,
ARGUMENT_TYPE_FILE , ARGUMENT_TYPE_INTEGER , ARGUMENT_TYPE_NUMBER , ARGUMENT_TYPE_VECTOR ,
ARGUMENT_TYPE_MATRIX , ARGUMENT_TYPE_EXPRESSION_ITEM , ARGUMENT_TYPE_FUNCTION , ARGUMENT_TYPE_UNIT ,
ARGUMENT_TYPE_BOOLEAN , ARGUMENT_TYPE_VARIABLE , ARGUMENT_TYPE_ANGLE , ARGUMENT_TYPE_SET ,
ARGUMENT_TYPE_DATA_OBJECT , ARGUMENT_TYPE_DATA_PROPERTY
}

| Argument types.
enum | ArgumentMinMaxPreDefinition { ARGUMENT_MIN_MAX_NONE , ARGUMENT_MIN_MAX_POSITIVE , ARGUMENT_MIN_MAX_NONZERO , ARGUMENT_MIN_MAX_NONNEGATIVE , ARGUMENT_MIN_MAX_NEGATIVE }
| Predefined max and min values for number and integer arguments.
enum | FunctionSubtype { SUBTYPE_FUNCTION , SUBTYPE_USER_FUNCTION , SUBTYPE_DATA_SET }
| Type of mathematical function. More...

## Enumeration Type Documentation

## FunctionSubtype

enum FunctionSubtype

Type of mathematical function.

Enumerator
SUBTYPE_FUNCTION | class MathFunction
SUBTYPE_USER_FUNCTION | class UseFunction
SUBTYPE_DATA_SET | class DataSet