filtra

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

#define MIN -100.0
#define MAX 100.0
#define AMP (MAX-MIN)

typedef float* pfloat;

void main(void)
 {
  pfloat pvalori,prumore,psignal;
  float  max,min,tmp;
  unsigned int    n_valori,i,j,k,contas;

  srand(time(NULL));
  printf("Inserisci numero valori: ");
  scanf("%d",&n_valori);

  pvalori=(float*)malloc(n_valori*sizeof(float));

  max=min=pvalori[0]=(((float)rand()/(float)(RAND_MAX)) * AMP)+MIN;
  for(i=1;i<n_valori;i++)
   {
    tmp=(((float)rand()/(float)(RAND_MAX)) * AMP)+MIN;
    if(tmp>max)
     {
      max=tmp;
     }
    if(tmp<min)
     {
      min=tmp;
     }
    pvalori[i]=tmp;
    printf("%f\n",tmp);
   }
   printf("Prima [%f,%f]\n",min,max);
   tmp=((max-min)*0.05;
   min+=tmp;
   max-=tmp;
   for(i=0,contas=0;i<n_valori;i++)
    {
      tmp=pvalori[i];
      if((tmp>=min)&&(tmp<=max))
       {
        contas++;
       }
    }
   printf("Dopo [%f,%f]\n",min,max);
   //printf("%d",contas);
   prumore=(float*)malloc((n_valori-contas)*sizeof(float));
   psignal=(float*)malloc(contas*sizeof(float));
   for(i=0,j=0,k=0;i<n_valori;i++)
    {
     tmp=pvalori[i];
     if((tmp>=min)&&(tmp<=max))
      {

       psignal[j++]=tmp;

      }
     else
      {
       prumore[k++]=tmp;
      }
    }
   printf("Rumore\n");
   tmp=n_valori-contas;
   for(i=0;i<tmp;i++)
    {
     printf("%f\n",prumore[i]);
    }
   printf("Segnale\n");
   for(i=0;i<contas;i++)
    {
     printf("%f\n",psignal[i]);
    }
}