Floating point

gistfile1.c

/* 
 * File:   main.cpp
 * Author: christian
 *
 * Created on 9 de junio de 2012, 9:07
 */

#include <cstdlib>
#include <math.h>
#include <stdio.h>

using namespace std;

/*
 * 
 */
int main(int argc, char** argv) {
    
    double x = 1005.94309987;
    int prec = 7;
    
    double result = ceil( x * pow(10,(double)prec) - .4999999999999) / pow(10,(double)prec);
    
    printf("%f", result);
    
    return 0;
}