d_binning.c
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			#include<stdio.h>
			#include<math.h>
			#include<fonction.h>
			#include<constant.h>
			#include<dimension.h>
			#include<structure.h>
			#include "lt.h"

			void d_binning(double *im, int nx, int *ny, int bin)
			{
			const extern struct g_mode M;
			register int i, j, ii, jj;
			int nxb, nyb;
			double s, bb;

			bb = bin * bin;

			NPRINTF(stderr, "Bin image by a factor %d\n", bin);

			nxb = (int) ((double) * nx) / ((double)bin);
			nyb = (int) ((double) * ny) / ((double)bin);

			for (i = 0; i < *ny; i += bin)
			for (j = 0; j < *nx; j += bin)
			{
			s = 0.;
			for (ii = 0; ii < bin; ii++) // y
			for (jj = 0; jj < bin; jj++) //x
			s += im[i+ii][j+jj];

			im[i/bin][j/bin] = s / bb;
			}

			*nx = nxb;
			*ny = nyb;
			}

R1448/ChiBenchmark/lenstoolchi/src/d_binning.cc99f2e455a51gradGPUmultiple