_FP_QNANBIT_Q
#define _FP_NANFRAC_Q _FP_QNANBIT_Q
#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1