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#ifndef NUMBER_H
#define NUMBER_H
#include <bu/string.h>
#include "packedintarray.h"
class Number
{
public:
Number( int iScale=0, int iRadix=10 );
Number( const Bu::String &sData, int iScale=0, int iRadix=10 );
virtual ~Number();
Number &operator=( const Bu::String &sNum );
Number &operator=( const Number &rhs );
Number &operator=( const int32_t iNum );
Number operator+( const Number &rhs ) const;
Number operator-( const Number &rhs ) const;
Number operator*( const Number &rhs ) const;
Number operator/( const Number &rhs ) const;
Number operator%( const Number &rhs ) const;
Number operator-() const;
bool operator==( const Bu::String &rhs ) const;
bool operator==( const Number &rhs ) const;
bool operator!=( const Number &rhs ) const;
bool operator>( const Number &rhs ) const;
bool operator<( const Number &rhs ) const;
bool operator>=( const Number &rhs ) const;
bool operator<=( const Number &rhs ) const;
void set( const Bu::String &sNum );
void set( const Number &sNum );
void set( int32_t iNum );
void divide( const Number &rhs, Number &q, Number &r ) const;
bool isZero() const;
operator Bu::String() const
{
return aInt.toString();
}
Bu::String toString() const;
int digit( int iIdx ) const;
void setDigit( int iIdx, int iVal );
int getScale() const { return iScale; }
int getEffectiveScale() const;
void setScale( int iNewScale );
int getIntegralDigits() const { return aInt.getSize(); }
int32_t toInt32() const;
Number toRadix( int iNewRadix, int iNewScale=-1 ) const;
private:
Number add( const Number &rhs, bool bSub ) const;
private:
int iRadix;
int iScale;
bool bPositive;
PackedIntArray aInt;
PackedIntArray aFrac;
};
Bu::Formatter &operator<<( Bu::Formatter &f, const Number &n );
#endif
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