plus_inf 143 maint/gnulib/lib/isnan.c DOUBLE plus_inf = L_(1.0) / zero; plus_inf 148 maint/gnulib/lib/isnan.c static DOUBLE plus_inf = L_(1.0) / L_(0.0); plus_inf 160 maint/gnulib/lib/isnan.c return (memcmp (&m.value, &plus_inf, SIZE) != 0