Files
function/example/sum_avg.cpp
Douglas Gregor d37903b2e7 index.html:
- Removed reference and tutorial: now just link to them

faq.html:
	- Moved to doc/faq.html

doc/faq.html:
	- Relative directory fixups

doc/reference.html:
	- Reference manual for Boost.Function

doc/tutorial.html:
	- Tutorial for Boost.Function (the old "Usage" sections)
	- Additional example showing the use of references and arrays

example/bind1st.cpp:
example/int_div.cpp:
example/sum_avg.cpp:
	- Examples from tutorial


[SVN r10620]
2001-07-14 19:57:09 +00:00

43 lines
1.1 KiB
C++

// Boost.Function library examples
// Copyright (C) 2001 Doug Gregor (gregod@cs.rpi.edu)
//
// Permission to copy, use, sell and distribute this software is granted
// provided this copyright notice appears in all copies.
// Permission to modify the code and to distribute modified code is granted
// provided this copyright notice appears in all copies, and a notice
// that the code was modified is included with the copyright notice.
//
// This software is provided "as is" without express or implied warranty,
// and with no claim as to its suitability for any purpose.
// For more information, see http://www.boost.org
#include <iostream>
#include <boost/function.hpp>
void do_sum_avg(int values[], int n, int& sum, float& avg)
{
sum = 0;
for (int i = 0; i < n; i++)
sum += values[i];
avg = (float)sum / n;
}
int
main()
{
boost::function<void, int[], int, int&, float&> sum_avg;
sum_avg = &do_sum_avg;
int values[5] = { 1, 1, 2, 3, 5 };
int sum;
float avg;
sum_avg(values, 5, sum, avg);
std::cout << "sum = " << sum << std::endl;
std::cout << "avg = " << avg << std::endl;
return 0;
}