NTTL Function - Product

Description

Compute product = begin * (begin + 1 ) * ... * end

Header

<nttl/product.h>

Signature

template< class T >
void Product( T *Prod, size_t begin, size_t end )

Parameters

Name	Type	Description
Prod	T *	A pointer to the variable that will contain the product.
begin	size_t	The first number in the product.
end	size_t	The last number in the sequence.

Returns

( none )

Example

#include <nttl/product.h> ... long p; Product( &p, 1, 10 );

Notes

Since 1000! is around 2500 decimal digits, begin and end are limited to being scalars. This could be relaxed...