[139f46]: CmplxMath.def History

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DEFINITION MODULE CmplxMath;



  (*------------------------------------------------------------------------*)

  (* Einige Routinen fuer grundlegende komplexe Arithmetik.                 *)

  (* Some routinen for basic complex arithmetic.                            *)

  (*------------------------------------------------------------------------*)

  (* Implementation : Michael Riedl                                         *)

  (* Licence        : GNU Lesser General Public License (LGPL)              *)

  (*------------------------------------------------------------------------*)



  (* $Id: CmplxMath.def,v 1.1 2017/09/27 08:14:07 mriedl Exp mriedl $ *)



PROCEDURE CABS(ar,ai : LONGREAL) : LONGREAL;



          (*----------------------------------------------------------------*)

          (* Absolute value of complex value (ar,ai) = sqrt(ar**2 + ai**2)  *)

          (*----------------------------------------------------------------*)



PROCEDURE CDIV(    ar,ai : LONGREAL;

                   br,bi : LONGREAL;

               VAR cr,ci : LONGREAL);

         

          (*----------------------------------------------------------------*)

          (* Complex divide C = A / B                                       *)

          (*----------------------------------------------------------------*)



PROCEDURE CMUL(    Xr,Xi : LONGREAL;

                   Yr,Yi : LONGREAL;

               VAR Zr,Zi : LONGREAL);



          (*----------------------------------------------------------------*)

          (* Complex multiplication Z = X * Y                               *)

          (*----------------------------------------------------------------*)



PROCEDURE CMULconj(    Xr,Xi : LONGREAL;

                       Yr,Yi : LONGREAL;

                   VAR Zr,Zi : LONGREAL);



          (*----------------------------------------------------------------*)

          (* Complex multiplication Z = X * conj(Y)                         *)

          (*----------------------------------------------------------------*)



END CmplxMath.