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Floating-Point Precision
Grade Level
Computer Science
HSCS.053 Floating-Point Precision
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A code review notes that a program formats a value to two decimals and then uses the formatted string to decide whether two calculations are equal. What is the best critique?
A
Two-decimal formatting proves the source values were exact cents.
B
Formatted strings are always more accurate than stored numbers.
C
Formatting is for presentation; equality logic should use exact domain units, decimals, or a tolerance appropriate to the computation.
D
The program should compare screenshots of the formatted numbers instead
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