12.5 Unsupported Features

The fixed-point conversion specifiers for formatted I/O, as described in Section 4.1.9 “Formatted I/O functions for fixed-point arguments” of ISO/IEC TR 18037:2008, are not supported by the current MPLAB XC32 standard C libraries. Fixed-point arguments must be used in formatted I/O routines by conversion to or from an appropriate floating-point representation. For example:

#include <stdio.h> 
#include <stdfix.h>

int main(void)
{
  fract a = 0.5;
  accum b;
  double d;

  scanf ("%lf", &d);           /* read into floating-point type */
  b = (accum) d;               /* convert to fixed-point type */
  printf ("%1.4f", (float) a); /* cast to floating-point type for output */ 
  return 0;
}

The fixed-point functions described in Section 4.1.7 of ISO/IEC TR 18037:2008 are not provided by the current MPLAB XC32 standard C libraries.