Passing a two-dimensional array to a function : function parameters « Function « C++ Tutorial

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C++ Tutorial » Function » function parameters

7.3.14.Passing a two-dimensional array to a function

#include <iostream>

using std::cout;

using std::endl;



double f(double values[][4], int n);



int main() {

  double beans[3][4] = {

                         { 1.0,  2.0,  3.0,  4.0},

                         { 5.0,  6.0,  7.0,  8.0},

                         { 9.0, 10.0, 11.0, 12.0}

                       };



  cout << f(beans, sizeof beans/sizeof beans[0])<< endl;

  return 0;

}



double f(double array[][4], int size) {

  double sum = 0.0;

  for(int i = 0 ; i < size ; i++)       

    for(int j = 0 ; j < 4 ; j++)        

      sum += array[i][j];

  return sum;

}

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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