GENERIC INTERFACEComplexBasic (R);
Arithmetic for Modula-3, see doc for detailsAbstract: Generic complex number type
Instantiate with RealBasic, LongRealBasic, ExtendedBasic, IntegerBasic
FROM Arithmetic IMPORT Error; CONST Brand = R.Brand & "Complex"; TYPE T = RECORD re, im: R.T; END; QuotRem = RECORD quot, rem: T; END;Zero and One non-constant in some modules CONST Zero = T{re:=R.Zero, im:=R.Zero}; One = T{re:=R.One, im:=R.Zero}; I = T{re:=R.Zero, im:=R.One}; MinusOne = T{re:=R.MinusOne, im:=R.Zero};
VAR Zero : T; One : T; I : T; MinusOne: T; <* INLINE *> PROCEDURE Add (READONLY x, y: T; ): T; (* x+y *) <* INLINE *> PROCEDURE Sub (READONLY x, y: T; ): T; (* x-y *) <* INLINE *> PROCEDURE Neg (READONLY x: T; ): T; (* -x *) <* INLINE *> PROCEDURE Conj (READONLY x: T; ): T; (* complex conjugate of x *) <* INLINE *> PROCEDURE IsZero (READONLY x: T; ): BOOLEAN; <* INLINE *> PROCEDURE Equal (READONLY x, y: T; ): BOOLEAN; (* x=y *) <* INLINE *> PROCEDURE Mul (READONLY x, y: T; ): T; (* x*y *) <* INLINE *> PROCEDURE Div (READONLY x, y: T; ): T RAISES {Error}; (* x/y *) <* INLINE *> PROCEDURE Rec (READONLY x: T; ): T RAISES {Error}; (* 1/x *) <* INLINE *> PROCEDURE Mod (READONLY x, y: T; ): T RAISES {Error}; (* x mod y *) <* INLINE *> PROCEDURE DivMod (READONLY x, y: T; ): QuotRem RAISES {Error}; (* return x/y and x mod y *) <* INLINE *> PROCEDURE Square (READONLY x: T; ): T; (* x*x *) <* INLINE *> PROCEDURE Scale (READONLY x: T; y: R.T; ): T; (* x*y *) END ComplexBasic.