#include <stdlib.h>
#include <stdio.h>

float farray[100];
unsigned char carray[100];

void FtoC() {
	int i;
	float f, fmin, fmax;
	fmin = fmax = farray[0];
	for (i=0;i<100;i++) {
		if (farray[i]<fmin) fmin = farray[i];
		if (farray[i]>fmax) fmax = farray[i];
	}
	for (i=0;i<100;i++) {
		f = 255.0 * (farray[i] - fmin)/(fmax - fmin);
		carray[i] = (unsigned char)f;
	}
}

int main() {
   int i;
   for (i=0;i<100;i++) {
	   farray[i] = rand()%10000;
	   farray[i] = farray[i] - 5000.0;
	   farray[i] = farray[i] / 100.0;
   }
   return 0;
}