174 lines
4.2 KiB
C++
174 lines
4.2 KiB
C++
/*
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* (C) Copyright The MITRE Corporation 1999 All rights reserved.
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* The program provided "as is" without any warranty express or
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* implied, including the warranty of non-infringement and the implied
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* warranties of merchantibility and fitness for a particular purpose.
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* The Copyright owner will not be liable for any damages suffered by
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* you as a result of using the Program. In no event will the Copyright
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* owner be liable for any special, indirect or consequential damages or
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* lost profits even if the Copyright owner has been advised of the
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* possibility of their occurrence.
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*
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* Please see release.txt distributed with this file for more information.
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*
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*/
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#ifndef MITRE_PRIMITIVES_H
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#define MITRE_PRIMITIVES_H
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#include "MITREObject.h"
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#include "baseutils.h"
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#include "String.h"
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#include <math.h>
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#ifdef MOZILLA
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#include <float.h>
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#endif
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/**
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* A wrapper for the primitive double type, and provides some simple
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* floating point related routines
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* @author <a href="mailto:lef@opentext.com">Larry Fitzpatrick</a>
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* @author <a href="mailto:kvisco@mitre.org">Keith Visco</a>
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**/
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class Double : public MITREObject {
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public:
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static const double NaN;
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static const double POSITIVE_INFINITY;
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static const double NEGATIVE_INFINITY;
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/**
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* Creates a new Double with it's value initialized to 0;
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**/
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Double();
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/**
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* Creates a new Double with it's value initialized to the given double
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**/
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Double(double dbl);
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/**
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* Creates a new Double with it's value initialized from the given String.
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* The String will be converted to a double. If the String does not
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* represent an IEEE 754 double, the value will be initialized to NaN
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**/
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Double(const String& string);
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/**
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* Returns the value of this Double as a double
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**/
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double doubleValue();
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/**
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* Returns the value of this Double as an int
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**/
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int intValue();
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/**
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* Determins whether the given double represents positive or negative
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* inifinity
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**/
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static MBool isInfinite(double dbl);
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/**
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* Determins whether this Double's value represents positive or
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* negative inifinty
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**/
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MBool isInfinite();
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/**
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* Determins whether the given double is NaN
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**/
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static MBool isNaN(double dbl);
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/**
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* Determins whether this Double's value is NaN
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**/
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MBool isNaN();
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/**
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* Converts the value of this Double to a String, and places
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* The result into the destination String.
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* @return the given dest string
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**/
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String& toString(String& dest);
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/**
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* Converts the value of the given double to a String, and places
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* The result into the destination String.
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* @return the given dest string
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**/
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static String& Double::toString(double value, String& dest);
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private:
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double value;
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/**
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* Converts the given String to a double, if the String value does not
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* represent a double, NaN will be returned
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**/
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static double toDouble(const String& str);
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};
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/**
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* A wrapper for the primitive int type, and provides some simple
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* integer related routines
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* @author <a href="mailto:kvisco@mitre.org">Keith Visco</a>
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**/
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class Integer : public MITREObject {
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public:
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/**
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* Creates a new Integer initialized to 0.
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**/
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Integer();
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/**
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* Creates a new Integer initialized to the given int value.
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**/
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Integer(Int32 integer);
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/**
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* Creates a new Integer based on the value of the given String
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**/
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Integer::Integer(const String& str);
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/**
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* Returns the int value of this Integer
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**/
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int intValue();
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/**
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* Converts the value of this Integer to a String
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**/
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String& toString(String& dest);
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/**
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* Converts the given int to a String
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**/
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static String& toString(int value, String& dest);
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private:
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Int32 value;
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/**
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* converts the given String to an int
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**/
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static int intValue(const String& src);
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}; //-- Integer
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#endif
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