Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Function scale multiples its first argument (a real number) by 10 raised to the power indicated
by its second argument (an integer). For example, the function call
scale (2.5, 2)
double scale (double x, int n)
double scale_factor;
scale factor - pow (10, n);
return x*scale_factor;
Returns the value 250.0 (2.5 x 102). The function call
scale (2.5, -2)
Return the value 0.025 (2.5 x 10²)
Write only the main function, create and initialize a double array and then call the function
scale for each elements of the array. At the end, the contents of the array must consist of
scaled values. Create and use a separate integer array as the powers of each corresponding
value.
Eg. If double array has the following contents:
1.0 2.0 3.0 4.0 and the
Integer array of powers have the following:
4 3. 2 -2,
After function calls, the new contents of the double array must be updated as in seen in the
following:
1.0x104 2.0x10³ 3.0x10² 4.0x10²
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Transcribed Image Text:Function scale multiples its first argument (a real number) by 10 raised to the power indicated by its second argument (an integer). For example, the function call scale (2.5, 2) double scale (double x, int n) double scale_factor; scale factor - pow (10, n); return x*scale_factor; Returns the value 250.0 (2.5 x 102). The function call scale (2.5, -2) Return the value 0.025 (2.5 x 10²) Write only the main function, create and initialize a double array and then call the function scale for each elements of the array. At the end, the contents of the array must consist of scaled values. Create and use a separate integer array as the powers of each corresponding value. Eg. If double array has the following contents: 1.0 2.0 3.0 4.0 and the Integer array of powers have the following: 4 3. 2 -2, After function calls, the new contents of the double array must be updated as in seen in the following: 1.0x104 2.0x10³ 3.0x10² 4.0x10²
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