a.
Explanation of Solution
 Given: The expression is floor (x*10+0.5)/10, where x is 3.5, 3.45, 3.76, 3.234, and 3.4567.
To find:Â The value of the expression, floor (x*10+0.5)/10, where x is 3.5, 3.45, 3.76, 3.234, and 3.4567.
Solution:
The output of the aforementioned statement, (x*10+0.5)/10, when:
x=3.5
The output of the aforementioned expression will evaluate to 3.500000. On substituting the value of x as 3.5, the expression will be evaluated. Then the function named ‘floor()’ is applied, which will return the largest double value which is smaller than or equal to integer x. The value it will return will be of type, double.
The following is the sample code:
The output of the above function will look like:
x=3.45
The output of the aforementioned expression will evaluate to 3.500000. On substituting the value of x as 3.45, the expression will be evaluated. Then the function named ‘floor()’ is applied, which will return the largest double value which is smaller than or equal to integer x. The value it will return will be of type, double.
The following is the sample code:
The output of the above function will look like:
x=3.76
The output of the aforementioned expression will evaluate to 3.800000. On substituting the value of x as 3.76, the expression will be evaluated. Then the function named ‘floor()’ is applied, which will return the largest double value which is smaller than or equal to integer x...
b.
Explanation of Solution
 Given: The expression is floor (x*100+0.5)/100 where x is 3.5, 3.45, 3.76, 3.234, and 3.4567.
To find:Â The value of the expression, floor (x*100+0.5)/100, where x is 3.5, 3.45, 3.76, 3.234, and 3.4567.
Solution:
The output of the aforementioned statement, (x*100+0.5)/100, when:
x=3.5
The output of the aforementioned expression will evaluate to 3.500000. On substituting the value of x as 3.5, the expression will be evaluated. Then the function named ‘floor()’ is applied, which will return the largest double value which is smaller than or equal to integer x. The value it will return will be of type, double.
The following is the sample code:
The output of the above function will look like:
x=3.45
The output of the aforementioned expression will evaluate to 3.450000. On substituting the value of x as 3.45, the expression will be evaluated. Then the function named ‘floor()’ is applied, which will return the largest double value which is smaller than or equal to integer x. The value it will return will be of type, double.
The following is the sample code:
The output of the above function will look like:
x=3.76
The output of the aforementioned expression will evaluate to 3.760000. On substituting the value of x as 3.76, the expression will be evaluated. Then the function named ‘floor()’ is applied, which will return the largest double value which is smaller than or equal to integer x...
c.
Explanation of Solution
 Given: The expression is floor (x*1000+0.5)/1000, where x is 3.5, 3.45, 3.76, 3.234, and 3.4567.
To find:Â The value of the expression, floor (x*1000+0.5)/1000, where x is 3.5, 3.45, 3.76, 3.234, and 3.4567.
Solution:
The output of the aforementioned statement, (x*1000+0.5)/1000, when:
x=3.5
The output of the aforementioned expression will evaluate to 3.500000. On substituting the value of x as 3.5, the expression will be evaluated. Then the function named ‘floor()’ is applied, which will return the largest double value which is smaller than or equal to integer x. The value it will return will be of type, double.
The following is the sample code:
The output of the above function will look like:
x=3.45
The output of the aforementioned expression will evaluate to 3.5. On substituting the value of x as 3.45, the expression will be evaluated. Then the function named ‘floor()’ is applied, which will return the largest double value which is smaller than or equal to integer x. The value it will return will be of type, double.
The following is the sample code:
The output of the above function will look like:
x=3.76
The output of the aforementioned expression will evaluate to 3.760000. On substituting the value of x as 3.76, the expression will be evaluated. Then the function named ‘floor()’ is applied, which will return the largest double value which is smaller than or equal to integer x...
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Chapter 4 Solutions
Computer Science: A Structured Programming Approach Using C, Third Edition
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