text: #include <math.h>
  
  #include "binned.h"
  
  #include "../common/common.h"
  
  /**
   * @internal
   * @brief unit in the first place
   *
   * This method returns just the implicit 1 in the mantissa of a @c float
   *
   * @param X scalar X
   * @return unit in the first place
   *
   * @author Hong Diep Nguyen
   * @author Peter Ahrens
   * @date   27 Apr 2015
   */
  float binned_ufpf(float X) {
    /*
    int exp;
    if (X == 0.0){
      return 0.0;
    }
    frexpf(X, &exp);
    return ldexpf(0.5, exp);
    */
    return UFPF(X);
  }
  