Use array as function's parameter : function parameters « Function « C++ Tutorial

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C++ Tutorial » Function » function parameters

7.3.8.Use array as function's parameter

#include <iostream.h>



float Total(float a[],int num);



const int SIZE = 10;



main()

{

       float * f = new float [SIZE];



       for (int i=0;i<SIZE;i++)

               f[i]=i+i;  //*(f+i)

       cout <<"Sum = "  << Total( f ,SIZE) <<endl;



       cout << "Average = " << Total(f,SIZE)/SIZE;

       delete []f;

       return 0 ;

}



float Total(float a[],int num)

{

       int i;

       float sum = 0;

       for (i=0; i<num ; i++)

               sum += a[i];

       return sum;

}

Sum = 90
Average = 9"

7.3.function parameters
	7.3.1.	Passing int by value
	7.3.2.	Define function to accept three int parameters
	7.3.3.	Pass a pointer to a function.
	7.3.4.	Pass variable address to a function
	7.3.5.	Pass int array to a function
	7.3.6.	Declare int array parameter for a function without indicating the array length
	7.3.7.	Function parameter: Use int pointer to accept an array
	7.3.8.	Use array as function's parameter
	7.3.9.	Change the contents of an array using a function
	7.3.10.	Pass a string to a function: Invert the case of the letters within a string
	7.3.11.	Change a call-by-value parameter does not affect the argument
	7.3.12.	Demonstrate the pointer version of swap(): Exchange the values of the variables pointed to by x and y
	7.3.13.	Using reference parameters
	7.3.14.	Passing a two-dimensional array to a function
	7.3.15.	Passing an array to a function
	7.3.16.	var args has to be the last one
	7.3.17.	the use of ... and its support macros va_arg, va_start, and va_end
	7.3.18.	Handling an array parameter as a pointer

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