org.matheclipse.core.builtin.function

Class AtomQ

java.lang.Object

org.matheclipse.core.eval.interfaces.AbstractCoreFunctionEvaluator

org.matheclipse.core.builtin.function.AtomQ

All Implemented Interfaces:

java.util.function.Predicate<IExpr>, ICoreFunctionEvaluator, IFunctionEvaluator, IEvaluator

public class AtomQ
extends AbstractCoreFunctionEvaluator
implements java.util.function.Predicate<IExpr>

Returns True, if the given expression is an atomic object (i.e. no AST instance)

See the online Symja function reference: AtomQ

Field Summary

Fields

Modifier and Type	Field and Description
static AtomQ	CONST Constructor for the unary predicate

Constructor Summary

Constructors

Constructor and Description
AtomQ()

Method Summary

Modifier and Type	Method and Description
IExpr	evaluate(IAST ast, EvalEngine engine) Returns True if the 1st argument is an atomic object; False otherwise
void	setUp(ISymbol symbol) Evaluate built-in rules and define Attributes for a function.
boolean	test(IExpr obj)

Methods inherited from class org.matheclipse.core.eval.interfaces.AbstractCoreFunctionEvaluator

numericEval

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.function.Predicate

and, isEqual, negate, or

Field Detail

CONST

public static final AtomQ CONST

Constructor for the unary predicate

Constructor Detail

AtomQ

public AtomQ()

Method Detail

evaluate

public IExpr evaluate(IAST ast,
                      EvalEngine engine)

Returns True if the 1st argument is an atomic object; False otherwise

Specified by:

evaluate in interface IFunctionEvaluator

Specified by:

evaluate in class AbstractCoreFunctionEvaluator

Parameters:

ast - the abstract syntax tree (AST) which should be evaluated

engine - the users current evaluation engine

Returns:

the evaluated object or null, if evaluation isn't possible

See Also:

Validate, IExpr.head(), IAST.arg1(), IAST.arg2(), IAST.arg3()

setUp

public void setUp(ISymbol symbol)

Description copied from class: AbstractCoreFunctionEvaluator

Evaluate built-in rules and define Attributes for a function.

Specified by:

setUp in interface IEvaluator

Overrides:

setUp in class AbstractCoreFunctionEvaluator

Parameters:

symbol - the symbol which should be set up

test

public boolean test(IExpr obj)

Specified by:

test in interface java.util.function.Predicate<IExpr>