#define f_QNAN 0xffffffff
#define d_QNAN0 0xffffffff
#define d_QNAN1 0xffffffff
#define ld_QNAN0 0xffffffff
#define ld_QNAN1 0xffffffff
#define ld_QNAN2 0x0
#define ld_QNAN3 0x0
#define ldus_QNAN0 0xffff
#define ldus_QNAN1 0xffff
#define ldus_QNAN2 0xffff
#define ldus_QNAN3 0xffff
#define ldus_QNAN4 0x0
