NAME
        IEEESPFlt -- convert integer to IEEE single precision number

   SYNOPSIS
          x   = IEEESPFlt(  y  );
         d0                d0

        float   x;
        long    y;

   FUNCTION
        Convert a signed 32 bit value to a single precision IEEE value
        and return it in d0. No exceptions can occur with this
        function.

   INPUTS
        y -- 32 bit integer in d0

   RESULT
        x is a 32 bit single precision IEEE value

   BUGS

   SEE ALSO
        ieeespfix()