+#define _float_mant_dig(_type) \
+ (sizeof(_type) == sizeof(float) ? FLT_MANT_DIG \
+ : (sizeof(_type) == sizeof(double) ? DBL_MANT_DIG \
+ : (sizeof(_type) == sizeof(long double) ? LDBL_MANT_DIG \
+ : 0)))
+
+#define __type_float(_type) \
+ { \
+ .atype = atype_float, \
+ .u.basic._float = \
+ { \
+ .exp_dig = sizeof(_type) * CHAR_BIT \
+ - _float_mant_dig(_type), \
+ .mant_dig = _float_mant_dig(_type), \
+ .alignment = lttng_alignof(_type) * CHAR_BIT, \
+ .reverse_byte_order = __BYTE_ORDER != __FLOAT_WORD_ORDER, \
+ }, \
+ } \
+
+struct lttng_float_type {
+ unsigned int exp_dig; /* exponent digits, in bits */
+ unsigned int mant_dig; /* mantissa digits, in bits */
+ unsigned short alignment; /* in bits */
+ unsigned int reverse_byte_order:1;
+};
+