Answered: (Rounding Numbers) Function floor may…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

(Rounding Numbers) Function floor may be used to round a number to a specific decimal
place. The statement
y = floor(x * 10 + .5) / 10;
rounds x to the tenths position (the first position to the right of the decimal point). The statement
y = floor(x * 100 + .5) / 100;
rounds x to the hundredths position (the second position to the right of the decimal point). Write
a program that defines four functions to round a number x in various ways
a) roundToInteger(number)
b) roundToTenths(number)
c) roundToHundreths(number)
d) roundToThousandths(number)
For each value read, your program should print the original value, the number rounded to the
nearest integer, the number rounded to the nearest tenth, the number rounded to the nearest hundredth, and the number rounded to the nearest thousandth.

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