PartitionRange.cpp File Reference

: return i0,i1, range of local thread. More...

#include <math.h>

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Functions
void	PartitionRange (int *pi0, int *pi1, int num_el, int num_threads, int my_thread)

Detailed Description

: return i0,i1, range of local thread.

Definition in file PartitionRange.cpp.

Function Documentation

PartitionRange()

void PartitionRange	(	int *	pi0,
		int *	pi1,
		int	num_el,
		int	num_threads,
		int	my_thread
	)

Definition at line 13 of file PartitionRange.cpp.

                                                                                {
 
   /*output: */
   int i0=-1;
   int i1=-1;
 
   int step;
   int i;
 
   /*distribute elements across threads :*/
   step=(int)floor((double)num_el/(double)num_threads);
   for(i=0;i<(my_thread+1);i++){
      i0=i*step;
      if(i==(num_threads-1))i1=num_el;
      else i1=i0+step;
   }
 
   /*Assign output pointers:*/
   *pi0=i0;
   *pi1=i1;
}