![ii. why should you not test the function with a value of n ? (b) Now suppose that you are testing a function that calculates the sum of an array of integers. Provide values for four arrays that you would use as test inputs and their corresponding output values. 4. Function semantics [18] (a) Given the following function definition: double foo (dowb1e x, e0eb] e y, char o) ie (o ,+) return x + y; else ie (o=-) retyrn-y; else ie (o #+) retprn * y; else id (。ソ) return x / y; else ie (o = ) return pow(x, y); i. What, at a high level, does foo do? ii, What would be a better name for this function? iii, What is the logical error in this function:](http://img.homeworklib.com/questions/32b329a0-d5b1-11ea-8a8a-1dfc2800c394.png?x-oss-process=image/resize,w_560)
Homework Answers
Answer to b) : Two test an array which sums its integer elements,
1. select two very small numbers: 1,1, output=2
2. select one very large number and one very small number : 29989576, 2 output=29989578
3. select two very large numbers : 99999999, 88888777, output=188888776
4. select two normal numbers : 10, 50 output=60
Answer to 4 (a):
1. At high level, foo performs some elementry mathematical operations.
2. A better name for this function could be math_operations
3. A better way could have been to use return(0) statements.
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