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Handling Tables
4.3 Accessing Table Elements
Example 4–22 Using SEARCH and Varying an Index not Associated with the
Target Table
01 TAXABLE-INCOME PIC 9(6) VALUE 50000.
01 FED-TAX-DEDUCTION PIC 9(6).
PROCEDURE DIVISION.
BEGIN.
PERFORM SINGLE.
DISPLAY FED-TAX-DEDUCTION.
STOP RUN.
SINGLE.
IF TAXABLE-INCOME < 02500
GO TO END-FED-COMP.
SET IND-2 TO 1.
SEARCH SINGLES-TABLE VARYING IND-0 AT END
GO TO TABLE-2-ERROR
WHEN TAXABLE-INCOME = S-MIN-RANGE(IND-2)
MOVE S-TAX(IND-2) TO FED-TAX-DEDUCTION
WHEN TAXABLE-INCOME < S-MAX-RANGE(IND-2)
MOVE S-TAX(IND-2) TO FED-TAX-DEDUCTION
SUBTRACT S-MIN-RANGE(IND-2) FROM TAXABLE-INCOME
MULTIPLY TAXABLE-INCOME BY S-PERCENT(IND-2) ROUNDED
ADD TAXABLE-INCOME TO FED-TAX-DEDUCTION.
.
.
.
Example 4–23 shows how to perform a serial search without using the VARYING
phrase.
Example 4–23 Doing a Serial Search Without Using the VARYING Phrase
01 NR-DEPENDENTS PIC 9(2) VALUE 3.
01 GROSS-WAGE PIC 9(6) VALUE 50000.
01 TAXABLE-INCOME PIC 9(6) VALUE 50000.
01 FED-TAX-DEDUCTION PIC9(6).
01 MARITAL-STATUS PIC X VALUE "M".
PROCEDURE DIVISION.
BEGIN.
PERFORM FED-DEDUCT-COMPUTATION.
DISPLAY TAXABLE-INCOME.
STOP RUN.
FED-DEDUCT-COMPUTATION.
SET IND-1 TO 1.
SEARCH FED-ALLOWANCES AT END
GO TO TABLE-1-ERROR
WHEN ALLOWANCE-NUMBER(IND-1) = NR-DEPENDENTS
SUBTRACT ALLOWANCE(IND-1) FROM GROSS-WAGE
GIVING TAXABLE-INCOME ROUNDED.
IF MARITAL-STATUS = "M"
GO TO MARRIED.
MARRIED.
.
.
.
4–22 Handling Tables