(Areas) The area of a circle is A = r² where r represents the radius, and the area of a square is A = x² where r represents the side length. calc_areas Function: Input variables: • a scalar used to decide whether to compute the area of a circle, a square, or neither; if the scalar is a 0, a square is desired, if the scalar is 1, a circle is desired, and otherwise, neither is desired • a scalar representing either the radius, the side length, or nothing de- pending on the other input Output variables: • a scalar representing the area of the desired shape; if neither shape was desired, this scalar should be -1 A possible sample case is: » area = calc_areas (0, 2) area = 4 >> area = calc_areas(5, 2) area -1
(Areas) The area of a circle is A = r² where r represents the radius, and the area of a square is A = x² where r represents the side length. calc_areas Function: Input variables: • a scalar used to decide whether to compute the area of a circle, a square, or neither; if the scalar is a 0, a square is desired, if the scalar is 1, a circle is desired, and otherwise, neither is desired • a scalar representing either the radius, the side length, or nothing de- pending on the other input Output variables: • a scalar representing the area of the desired shape; if neither shape was desired, this scalar should be -1 A possible sample case is: » area = calc_areas (0, 2) area = 4 >> area = calc_areas(5, 2) area -1
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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Transcribed Image Text:(Areas) The area of a circle is A = Tr² where r represents the radius, and the area of
a square is A = x² where r represents the side length.
calc_areas Function:
Input variables:
• a scalar used to decide whether to compute the area of a circle, a square,
or neither; if the scalar is a 0, a square is desired, if the scalar is 1, a circle
is desired, and otherwise, neither is desired
• a scalar representing either the radius, the side length, or nothing de-
pending on the other input
Output variables:
• a scalar representing the area of the desired shape; if neither shape wa
desired, this scalar should be -1
A possible sample case is:
> area = calc_areas(0, 2)
area
4
>> area =
calc_areas (5, 2)
area = -1
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