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ChargePredicate Class Reference

Charge predicate. More...

#include <standardPredicates.h>

Inheritance diagram for ChargePredicate:

ExpressionPredicate UnaryPredicate< Atom > List of all members.

Public Member Functions

virtual bool operator() (const Atom &atom) const throw ()
 Return true if the charge is in the indicated range.

Detailed Description

Charge predicate.

Member Function Documentation

virtual bool ChargePredicate::operator() (  const Atom &  atom  )  const throw () [virtual]
 

Return true if the charge is in the indicated range.

The argument of this predicate is either a number, in which case the charge of the atom has to be equal to that number (down to the specified accuracy for floating point comparisons, EPSILON ), or an operator followed by a number. Possible operators are: <, >, >=, <= , = .

Parameters:
atom the atom to test
Returns:
true, if the predicate is true, false otherwise

Reimplemented from ExpressionPredicate.