RosettaCodeData/Task/Price-fraction/True-BASIC/price-fraction.basic
2023-07-01 13:44:08 -04:00

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1.4 KiB
Text

FUNCTION pricefraction(price)
!returns price unchanged if invalid value
SELECT CASE price
CASE IS < 0
LET pricefraction = price
CASE IS < .06
LET pricefraction = .1
CASE IS < .11
LET pricefraction = .18
CASE IS < .16
LET pricefraction = .26
CASE IS < .21
LET pricefraction = .32
CASE IS < .26
LET pricefraction = .38
CASE IS < .31
LET pricefraction = .44
CASE IS < .36
LET pricefraction = .5
CASE IS < .41
LET pricefraction = .54
CASE IS < .46
LET pricefraction = .58
CASE IS < .51
LET pricefraction = .62
CASE IS < .56
LET pricefraction = .66
CASE IS < .61
LET pricefraction = .7
CASE IS < .66
LET pricefraction = .74
CASE IS < .71
LET pricefraction = .78
CASE IS < .76
LET pricefraction = .82
CASE IS < .81
LET pricefraction = .86
CASE IS < .86
LET pricefraction = .9
CASE IS < .91
LET pricefraction = .94
CASE IS < .96
LET pricefraction = .98
CASE IS < 1.01
LET pricefraction = 1
CASE ELSE
LET pricefraction = price
END SELECT
END FUNCTION
RANDOMIZE
FOR i = 1 TO 100
LET d = RND
PRINT USING "#.##": d;
PRINT " -> ";
PRINT USING "#.## ": pricefraction(d);
IF REMAINDER(i,5) = 0 THEN PRINT
NEXT i
END