3- Write a function pow (double base, int exp) to calculate integral powers of floating-point numbers. Arguments: The base of type double and the exponent of type int. Returns: The power baseexp of type double. For example, calling pow (2.5, 3) returns the value 2.53 = 2.5 * 2.5 * 2.5 = 15.625 This definition of the function pow( ) means overloading the standard function pow ( ), which is called with two double values. Test your function by reading one value each for the base and the exponent from the keyboard. Compare the result of your function with the result of the standard function. Hint: • The power x° is defined as 1.0 for a given number x. • The power x" is defined as (1/x)-" for a negative exponent n.

3- Write a function pow (double base, int exp) to calculate integral powers of floating-point numbers. Arguments: The base of type double and the exponent of type int. Returns: The power baseexp of type double. For example, calling pow (2.5, 3) returns the value 2.53 = 2.5 * 2.5 * 2.5 = 15.625 This definition of the function pow( ) means overloading the standard function pow ( ), which is called with two double values. Test your function by reading one value each for the base and the exponent from the keyboard. Compare the result of your function with the result of the standard function. Hint: • The power x° is defined as 1.0 for a given number x. • The power x" is defined as (1/x)-" for a negative exponent n.

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter7: User-defined Simple Data Types, Namespaces, And The String Type

Section: Chapter Questions

Problem 1TF

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Mark the following statements as true or false: a. To use a predefined function in a program, you need to know only the name of the function and how to use it. (1) b. A value-returning function returns only one value. (2, 3) c. Parameters allow you to use different values each time the function is called. (2, 7, 9) d. When a return statement executes in a user-defined function, the function immediately exits. (3, 4) e. A value-returning function returns only integer values. (4) f. A variable name cannot be passed to a value parameter. (3, 6) g. If a C++ function does not use parameters, parentheses around the empty parameter list are still required. (2, 3, 6) h. In C + + , the names of the corresponding formal and actual parameters must be the same. (3, 4, 6) i. A function that changes the value of a reference parameter also changes the value of the actual parameter. (7) j. Whenever the value of a reference parameter changes, the value of the actual parameter changes. (7) k. In C++, function definitions can be nested; that is, the definition of one function can be enclosed in the body of another function. (9) l. Using global variables in a program is a better programming style than using local variables, because extra variables can be avoided. (10) m. In a program, global constants are as dangerous as global variables. (10) n. The memory for a static variable remains allocated between function calls. (11)
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UH: Question 1: Answer needed in Java programming Language , version : 8 and above
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