Re: Parallel program to calculate PI

Spiros Bousbouras said:

> On 13 May, 17:00, Richard Heathfield <r...@[EMAIL PROTECTED]
> wrote:
>> Spiros Bousbouras said:
>>
>> <snip>
>>
>> > And of course you must know that your random numbers
>> > will be uniformly distributed within the square.
>>
>> That's easy. Use the following random point generator:
>>
>> #include <assert.h>
>>
>> void rndpt(unsigned long int *x,
>>            unsigned long int *y,
>>            unsigned long int max) /* max = side of square */
>> {
>>   static unsigned long int n = 0;
>>   assert(x != NULL && y != NULL);
>>   *x = n % max;
>>   *y = n++ / max;
>>   n %= max;
>>   return;
>>
>> }
>>
>> If you call this i * max times, where max is a constant and i is an
>> integer, the distribution of the random points will be uniform.
> 
> Since *y will always get the value 0 I don't think
> so.

Since it won't, I do.

-- 
Richard Heathfield <http://www.cpax.org.uk>
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