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COMPLEX.cob
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COMPLEX.cob
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IDENTIFICATION DIVISION.
PROGRAM-ID. COMPLEX.
*ENVIRONMENT DIVISION.
*CONFIGURATION SECTION.
DATA DIVISION.
WORKING-STORAGE SECTION.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-V1-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-V2-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-CONJPARM-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-REALPARM-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-IMAGPARM-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-MULTPARM-IN1-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-MULTPARM-IN2-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-MULTPARM-OUT-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-ADDPARM-IN1-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-ADDPARM-IN2-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-ADDPARM-OUT-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-SUBPARM-IN1-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-SUBPARM-IN2-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-SUBPARM-OUT-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-DIVPARM-IN1-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-DIVPARM-IN2-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-DIVPARM-OUT-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-INVPARM-IN-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-INVPARM-OUT-==.
COPY FLOAT REPLACING ==(PRFX)== BY ==WS-INV-MAGNITUDE-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-NEGPARM-IN-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-NEGPARM-OUT-==.
COPY COMPLEX REPLACING ==(PRFX)== BY ==WS-DISPPARM-==.
COPY FLOAT REPLACING ==(PRFX)== BY ==WS-REAL-==.
COPY FLOAT REPLACING ==(PRFX)== BY ==WS-IMAG-==.
01 WS-DISPPARM-N PIC X(20) VALUE SPACES.
PROCEDURE DIVISION.
MOVE 1 TO WS-V1-RE
MOVE 2 TO WS-V1-IM
MOVE 3 TO WS-V2-RE
MOVE 4 TO WS-V2-IM
MOVE WS-V1-COMPLEX TO WS-DISPPARM-COMPLEX
MOVE 'A' TO WS-DISPPARM-N
PERFORM COMPLEX-DISPLAY
MOVE WS-V2-COMPLEX TO WS-DISPPARM-COMPLEX
MOVE 'B' TO WS-DISPPARM-N
PERFORM COMPLEX-DISPLAY
MOVE WS-V1-COMPLEX TO WS-CONJPARM-COMPLEX
PERFORM COMPLEX-CONJUGATE
MOVE WS-CONJPARM-COMPLEX TO WS-DISPPARM-COMPLEX
MOVE 'CONJ(A)' TO WS-DISPPARM-N
PERFORM COMPLEX-DISPLAY
MOVE WS-V1-COMPLEX TO WS-REALPARM-COMPLEX
PERFORM COMPLEX-REAL
MOVE WS-REAL-V TO WS-DISPPARM-RE
MOVE 0 TO WS-DISPPARM-IM
MOVE 'RE(A)' TO WS-DISPPARM-N
PERFORM COMPLEX-DISPLAY
MOVE WS-V1-COMPLEX TO WS-IMAGPARM-COMPLEX
PERFORM COMPLEX-IMAG
MOVE WS-IMAG-V TO WS-DISPPARM-RE
MOVE 0 TO WS-DISPPARM-IM
MOVE 'IM(A)' TO WS-DISPPARM-N
PERFORM COMPLEX-DISPLAY
MOVE WS-V1-COMPLEX TO WS-MULTPARM-IN1-COMPLEX
MOVE WS-V2-COMPLEX TO WS-MULTPARM-IN2-COMPLEX
PERFORM COMPLEX-MULT
MOVE WS-MULTPARM-OUT-COMPLEX TO WS-DISPPARM-COMPLEX
MOVE 'A * B' TO WS-DISPPARM-N
PERFORM COMPLEX-DISPLAY
MOVE WS-V1-COMPLEX TO WS-ADDPARM-IN1-COMPLEX
MOVE WS-V2-COMPLEX TO WS-ADDPARM-IN2-COMPLEX
PERFORM COMPLEX-ADD
MOVE WS-ADDPARM-OUT-COMPLEX TO WS-DISPPARM-COMPLEX
MOVE 'A + B' TO WS-DISPPARM-N
PERFORM COMPLEX-DISPLAY
MOVE WS-V1-COMPLEX TO WS-SUBPARM-IN1-COMPLEX
MOVE WS-V2-COMPLEX TO WS-SUBPARM-IN2-COMPLEX
PERFORM COMPLEX-SUB
MOVE WS-SUBPARM-OUT-COMPLEX TO WS-DISPPARM-COMPLEX
MOVE 'A - B' TO WS-DISPPARM-N
PERFORM COMPLEX-DISPLAY
MOVE WS-V1-COMPLEX TO WS-INVPARM-IN-COMPLEX
PERFORM COMPLEX-INVERSE
MOVE WS-INVPARM-OUT-COMPLEX TO WS-DISPPARM-COMPLEX
MOVE '1/A' TO WS-DISPPARM-N
PERFORM COMPLEX-DISPLAY
MOVE WS-V1-COMPLEX TO WS-NEGPARM-IN-COMPLEX
PERFORM COMPLEX-NEGATE
MOVE WS-NEGPARM-OUT-COMPLEX TO WS-DISPPARM-COMPLEX
MOVE '-A' TO WS-DISPPARM-N
PERFORM COMPLEX-DISPLAY
MOVE WS-V1-COMPLEX TO WS-DIVPARM-IN1-COMPLEX
MOVE WS-V2-COMPLEX TO WS-DIVPARM-IN2-COMPLEX
PERFORM COMPLEX-DIVIDE
MOVE WS-DIVPARM-OUT-COMPLEX TO WS-DISPPARM-COMPLEX
MOVE 'A/B' TO WS-DISPPARM-N
PERFORM COMPLEX-DISPLAY
GOBACK
.
******************************************************************
* LIBRARY ROUTINE: COMPLEX-CONJUGATE
*
* @param [in] WS-CONJPARM-COMPLEX,
* with members WS-CONJPARM-RE, WS-CONJPARM-IM.
*
* Side effects: sign of WS-CONJPARM-IM is toggled.
*
COMPLEX-CONJUGATE.
COMPUTE WS-CONJPARM-IM = WS-CONJPARM-IM * -1
.
******************************************************************
* LIBRARY ROUTINE: COMPLEX-DISPLAY
*
* @param [in] WS-DISPPARM-COMPLEX,
* with members WS-DISPPARM-RE, WS-DISPPARM-IM.
COMPLEX-DISPLAY.
IF WS-DISPPARM-IM IS EQUAL ZERO
DISPLAY WS-DISPPARM-N ' = ' WS-DISPPARM-RE
ELSE
DISPLAY WS-DISPPARM-N ' = ' WS-DISPPARM-RE ' + ('
WS-DISPPARM-IM
') I'
END-IF
.
******************************************************************
* LIBRARY ROUTINE: COMPLEX-REAL
*
* @param [in] WS-REALPARM-COMPLEX,
* with members WS-REALPARM-RE, WS-REALPARM-IM.
* @param [out] WS-REAL-V,
COMPLEX-REAL.
MOVE WS-REALPARM-RE TO WS-REAL-V
.
******************************************************************
* LIBRARY ROUTINE: COMPLEX-IMAG
*
* @param [in] WS-IMAGPARM-COMPLEX,
* with members WS-IMAGPARM-RE, WS-IMAGPARM-IM.
* @param [out] WS-IMAG-V,
COMPLEX-IMAG.
MOVE WS-IMAGPARM-IM TO WS-IMAG-V
.
******************************************************************
* LIBRARY ROUTINE: COMPLEX-MULT
*
* @param [in] WS-MULTPARM-IN1-COMPLEX,
* with members WS-MULTPARM-IN1-RE, WS-MULTPARM-IN1-IM.
* @param [in] WS-MULTPARM-IN2-COMPLEX,
* with members WS-MULTPARM-IN2-RE, WS-MULTPARM-IN2-IM.
* @param [out] WS-MULTPARM-OUT-COMPLEX,
* with members WS-MULTPARM-OUT-RE, WS-MULTPARM-OUT-IM.
*
* (a + b i)(c + d i) = a c - b d + i( b c + a d)
COMPLEX-MULT.
COMPUTE WS-MULTPARM-OUT-RE =
(WS-MULTPARM-IN1-RE * WS-MULTPARM-IN2-RE) -
(WS-MULTPARM-IN1-IM * WS-MULTPARM-IN2-IM)
COMPUTE WS-MULTPARM-OUT-IM =
(WS-MULTPARM-IN1-IM * WS-MULTPARM-IN2-RE) +
(WS-MULTPARM-IN1-RE * WS-MULTPARM-IN2-IM)
.
******************************************************************
* LIBRARY ROUTINE: COMPLEX-ADD
*
* @param [in] WS-ADDPARM-IN1-COMPLEX,
* with members WS-ADDPARM-IN1-RE, WS-ADDPARM-IN1-IM.
* @param [in] WS-ADDPARM-IN2-COMPLEX,
* with members WS-ADDPARM-IN2-RE, WS-ADDPARM-IN2-IM.
* @param [out] WS-ADDPARM-OUT-COMPLEX,
* with members WS-ADDPARM-OUT-RE, WS-ADDPARM-OUT-IM.
*
COMPLEX-ADD.
COMPUTE WS-ADDPARM-OUT-RE =
WS-ADDPARM-IN1-RE + WS-ADDPARM-IN2-RE
COMPUTE WS-ADDPARM-OUT-IM =
WS-ADDPARM-IN1-IM + WS-ADDPARM-IN2-IM
.
******************************************************************
* LIBRARY ROUTINE: COMPLEX-SUB
*
* @param [in] WS-SUBPARM-IN1-COMPLEX,
* with members WS-SUBPARM-IN1-RE, WS-SUBPARM-IN1-IM.
* @param [in] WS-SUBPARM-IN2-COMPLEX,
* with members WS-SUBPARM-IN2-RE, WS-SUBPARM-IN2-IM.
* @param [out] WS-SUBPARM-OUT-COMPLEX,
* with members WS-SUBPARM-OUT-RE, WS-SUBPARM-OUT-IM.
*
COMPLEX-SUB.
COMPUTE WS-SUBPARM-OUT-RE =
WS-SUBPARM-IN1-RE - WS-SUBPARM-IN2-RE
COMPUTE WS-SUBPARM-OUT-IM =
WS-SUBPARM-IN1-IM - WS-SUBPARM-IN2-IM
.
******************************************************************
* LIBRARY ROUTINE: COMPLEX-INVERSE
*
* @param [in] WS-INVPARM-IN-COMPLEX,
* with members WS-INVPARM-IN-RE, WS-INVPARM-IN-IM.
* @param [out] WS-INVPARM-OUT-COMPLEX,
* with members WS-INVPARM-OUT-RE, WS-INVPARM-OUT-IM.
*
* 1/(a + b i) = (a - b i)/(a^2 + b^2)
COMPLEX-INVERSE.
COMPUTE WS-INV-MAGNITUDE-V =
(WS-INVPARM-IN-RE * WS-INVPARM-IN-RE) +
(WS-INVPARM-IN-IM * WS-INVPARM-IN-IM)
COMPUTE WS-INVPARM-OUT-RE =
WS-INVPARM-IN-RE/WS-INV-MAGNITUDE-V
COMPUTE WS-INVPARM-OUT-IM =
-(WS-INVPARM-IN-IM/WS-INV-MAGNITUDE-V)
.
******************************************************************
* LIBRARY ROUTINE: COMPLEX-NEGATE
*
* @param [in] WS-NEGPARM-IN-COMPLEX,
* with members WS-NEGPARM-IN-RE, WS-NEGPARM-IN-IM.
* @param [out] WS-NEGPARM-OUT-COMPLEX,
* with members WS-NEGPARM-OUT-RE, WS-NEGPARM-OUT-IM.
*
COMPLEX-NEGATE.
COMPUTE WS-NEGPARM-OUT-RE =
-WS-NEGPARM-IN-RE
COMPUTE WS-NEGPARM-OUT-IM =
-WS-NEGPARM-IN-IM
.
******************************************************************
* LIBRARY ROUTINE: COMPLEX-DIVIDE
*
* @param [in] WS-DIVPARM-IN1-COMPLEX,
* with members WS-DIVPARM-IN1-RE, WS-DIVPARM-IN1-IM.
* @param [in] WS-DIVPARM-IN2-COMPLEX,
* with members WS-DIVPARM-IN2-RE, WS-DIVPARM-IN2-IM.
* @param [out] WS-DIVPARM-OUT-COMPLEX,
* with members WS-DIVPARM-OUT-RE, WS-DIVPARM-OUT-IM.
*
* (a + b i)/(c + d i) = (a + bi) * (1/(c + di))
COMPLEX-DIVIDE.
MOVE WS-DIVPARM-IN2-COMPLEX TO WS-INVPARM-IN-COMPLEX
PERFORM COMPLEX-INVERSE
MOVE WS-DIVPARM-IN1-COMPLEX TO WS-MULTPARM-IN1-COMPLEX
MOVE WS-INVPARM-OUT-COMPLEX TO WS-MULTPARM-IN2-COMPLEX
PERFORM COMPLEX-MULT
MOVE WS-MULTPARM-OUT-COMPLEX TO WS-DIVPARM-OUT-COMPLEX
.
******************************************************************