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copied!<p>I wrote this to help me with audio manipulation. Its not the fastest but it works for me :)</p> <pre><code>const int INT24_MAX = 8388607; class Int24 { protected: unsigned char m_Internal[3]; public: Int24() { } Int24( const int val ) { *this = val; } Int24( const Int24& val ) { *this = val; } operator int() const { if ( m_Internal[2] & 0x80 ) // Is this a negative? Then we need to siingn extend. { return (0xff << 24) | (m_Internal[2] << 16) | (m_Internal[1] << 8) | (m_Internal[0] << 0); } else { return (m_Internal[2] << 16) | (m_Internal[1] << 8) | (m_Internal[0] << 0); } } operator float() const { return (float)this->operator int(); } Int24& operator =( const Int24& input ) { m_Internal[0] = input.m_Internal[0]; m_Internal[1] = input.m_Internal[1]; m_Internal[2] = input.m_Internal[2]; return *this; } Int24& operator =( const int input ) { m_Internal[0] = ((unsigned char*)&input)[0]; m_Internal[1] = ((unsigned char*)&input)[1]; m_Internal[2] = ((unsigned char*)&input)[2]; return *this; } /***********************************************/ Int24 operator +( const Int24& val ) const { return Int24( (int)*this + (int)val ); } Int24 operator -( const Int24& val ) const { return Int24( (int)*this - (int)val ); } Int24 operator *( const Int24& val ) const { return Int24( (int)*this * (int)val ); } Int24 operator /( const Int24& val ) const { return Int24( (int)*this / (int)val ); } /***********************************************/ Int24 operator +( const int val ) const { return Int24( (int)*this + val ); } Int24 operator -( const int val ) const { return Int24( (int)*this - val ); } Int24 operator *( const int val ) const { return Int24( (int)*this * val ); } Int24 operator /( const int val ) const { return Int24( (int)*this / val ); } /***********************************************/ /***********************************************/ Int24& operator +=( const Int24& val ) { *this = *this + val; return *this; } Int24& operator -=( const Int24& val ) { *this = *this - val; return *this; } Int24& operator *=( const Int24& val ) { *this = *this * val; return *this; } Int24& operator /=( const Int24& val ) { *this = *this / val; return *this; } /***********************************************/ Int24& operator +=( const int val ) { *this = *this + val; return *this; } Int24& operator -=( const int val ) { *this = *this - val; return *this; } Int24& operator *=( const int val ) { *this = *this * val; return *this; } Int24& operator /=( const int val ) { *this = *this / val; return *this; } /***********************************************/ /***********************************************/ Int24 operator >>( const int val ) const { return Int24( (int)*this >> val ); } Int24 operator <<( const int val ) const { return Int24( (int)*this << val ); } /***********************************************/ Int24& operator >>=( const int val ) { *this = *this >> val; return *this; } Int24& operator <<=( const int val ) { *this = *this << val; return *this; } /***********************************************/ /***********************************************/ operator bool() const { return (int)*this != 0; } bool operator !() const { return !((int)*this); } Int24 operator -() { return Int24( -(int)*this ); } /***********************************************/ /***********************************************/ bool operator ==( const Int24& val ) const { return (int)*this == (int)val; } bool operator !=( const Int24& val ) const { return (int)*this != (int)val; } bool operator >=( const Int24& val ) const { return (int)*this >= (int)val; } bool operator <=( const Int24& val ) const { return (int)*this <= (int)val; } bool operator >( const Int24& val ) const { return (int)*this > (int)val; } bool operator <( const Int24& val ) const { return (int)*this < (int)val; } /***********************************************/ bool operator ==( const int val ) const { return (int)*this == val; } bool operator !=( const int val ) const { return (int)*this != val; } bool operator >=( const int val ) const { return (int)*this >= val; } bool operator <=( const int val ) const { return (int)*this <= val; } bool operator >( const int val ) const { return ((int)*this) > val; } bool operator <( const int val ) const { return (int)*this < val; } /***********************************************/ /***********************************************/ }; </code></pre>

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