Data Types and Ranges in the Standard Library

Table 1 describes the macro definition and ranges of the data type threshold defined by the C standard library in the AArch64 system.

**Table 1** Macro definition and ranges of data type thresholds defined in the C standard library
Type	Data Type	Minimum Value (Macro)	Minimum Value (Value)	Maximum Value (Macro)	Maximum Value (Value)
8u	uint8_t	-	0	UINT8_MAX	255, that is, 2⁸-1
8s	int8_t	INT8_MIN	-INT8_MAX -1, that is, -2⁷	INT8_MAX	127, that is, 2⁷-1
16u	uint16_t	-	0	UINT16_MAX	65535, that is, 2¹⁶-1
16s	int16_t	INT16_MIN	-INT16_MAX -1, that is, -2¹⁵	INT16_MAX	32767, that is, 2¹⁵-1
16f	float16_t	FLT16_MIN	6.10351562500000000000000000000000000e-5F16	FLT16_MAX	6.55040000000000000000000000000000000e+4F16
32u	uint32_t	-	0	UINT32_MAX	4294967295U, that is, 2³²-1
32s	int32_t	INT32_MIN	-INT32_MAX -1, that is, -2³¹	INT32_MAX	2147483647, that is, 2³¹-1
32f	float	FLT_MIN	1.17549435082228750796873653722224568e-38F	FLT_MAX	3.40282346638528859811704183484516925e+38F
64s	int64_t	INT64_MIN	-INT64_MAX -1, that is, -2⁶³	INT64_MAX	9223372036854775807L, that is, 2⁶³-1
64f	double	DBL_MIN	2.22507385850720138309023271733240406e-308L	DBL_MAX	1.79769313486231570814527423731704357e+308L

Parent topic: Basic Data Types