question: public int hashCode ( ) { long bits = Double . doubleToLongBits ( m00 ) ; bits = bits * 31 + Double . doubleToLongBits ( m01 ) ; bits = bits * 31 + Double . doubleToLongBits ( m02 ) ; bits = bits * 31 + Double . doubleToLongBits ( m10 ) ; bits = bits * 31 + Double . doubleToLongBits ( m11 ) ; bits = bits * 31 + Double . doubleToLongBits ( m12 ) ; return ( ( ( int ) bits ) ^ ( ( int ) ( bits > > 32 ) ) ) ; }
target:  Returns the hashcode for this transform.