read file of floats

#include <stdio.h>

int main()
{
    float valores[1000];
    int i = 0;
    FILE *f;

    f = open("datos.txt", "r");
    while (f != EOF)
    {
        fscanf(f, "%f", &valores[i]);
        i++;
    }
    fclose(f);

    // aqui lo que quieras procesar del array

    return 0;
}