macro-int-constant FLT_RADIX >= 2

macro FLT_ROUNDS

macro-int-constant FLT_MANT_DIG
macro-int-constant DBL_MANT_DIG
macro-int-constant LDBL_MANT_DIG

macro-int-constant FLT_DIG >= 6
macro-int-constant DBL_DIG >= 10
macro-int-constant LDBL_DIG >= 10

macro-int-constant FLT_MIN_EXP < 0
macro-int-constant DBL_MIN_EXP < 0
macro-int-constant LDBL_MIN_EXP < 0

macro-int-constant FLT_MIN_10_EXP <= -37
macro-int-constant DBL_MIN_10_EXP <= -37
macro-int-constant LDBL_MIN_10_EXP <= -37

macro-int-constant FLT_MAX_EXP
macro-int-constant DBL_MAX_EXP
macro-int-constant LDBL_MAX_EXP

macro-int-constant FLT_MAX_10_EXP >= 37
macro-int-constant DBL_MAX_10_EXP >= 37
macro-int-constant LDBL_MAX_10_EXP >= 37

macro-constant FLT_MAX >= 1.0E37
macro-constant DBL_MAX >= 1.0E37
macro-constant LDBL_MAX >= 1.0E37

macro-constant FLT_EPSILON <= 1.0E-5
macro-constant DBL_EPSILON <= 1.0E-9
macro-constant LDBL_EPSILON <= 1.0E-9

macro-constant FLT_MIN <= 1.0E-37
macro-constant DBL_MIN <= 1.0E-37
macro-constant LDBL_MIN <= 1.0E-37

#if !defined ISO && !defined XPG3 && !defined XPG4 && !defined POSIX && !defined UNIX98
macro-int-constant DECIMAL_DIG >= 10
macro-int-constant FLT_EVAL_METHOD
#endif

#if defined ISO11
macro-int-constant DBL_HAS_SUBNORM
macro-int-constant FLT_HAS_SUBNORM
macro-int-constant LDBL_HAS_SUBNORM

macro-int-constant DBL_DECIMAL_DIG >= 10
macro-int-constant FLT_DECIMAL_DIG >= 6
macro-int-constant LDBL_DECIMAL_DIG >= 10

macro-constant DBL_TRUE_MIN <= 1E-37
macro-constant FLT_TRUE_MIN <= 1E-37
macro-constant LDBL_TRUE_MIN <= 1E-37
#endif

#if !defined ISO && !defined ISO99 && !defined ISO11
allow *_t
#endif