http://d.puremagic.com/issues/show_bug.cgi?id=7917



--- Comment #3 from bearophile_h...@eml.cc 2012-04-16 04:56:08 PDT ---
(In reply to comment #2)
> import std.algorithm ;
> import std.range ;
> import std.stdio ;
> import std.typecons ;
> 
> double partialSum ( immutable Tuple ! ( int , int , double ) data ) { 
>   return 1.0 ;
> }
> 
> void execute ( immutable int numberOfTasks ) {
>   immutable n = 1000000000 ;
>   immutable delta = 1.0 / n ;
>   immutable sliceSize = n / numberOfTasks ;
>   immutable pi = reduce ! ( ( a , b ) => a + b ) ( 0.0 , map ! ( partialSum ) 
> (
>     map ! ( i => tuple ( i , cast ( int ) sliceSize , cast ( double ) delta ) 
> )
> ( iota ( numberOfTasks ) ) ) ) ;
> }
> 
> int main ( immutable string[] args ) {
>   execute ( 1 ) ;
>   return 0 ;
> }

Maybe you are able to trim away some more stuff from that code, to minimize it
some more.

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