/* Public domain. */ typedef int SItype __attribute__ ((mode (SI))); typedef unsigned int USItype __attribute__ ((mode (SI))); typedef float XFtype __attribute__ ((mode (XF))); XFtype __floatunsixf (USItype u) { SItype s = (SItype) u; XFtype r = (XFtype) s; if (s < 0) r += (XFtype)2.0 * (XFtype) ((USItype) 1 << (sizeof (USItype) * __CHAR_BIT__ - 1)); return r; }