5 Lexical conventions [lex]

5.13 Literals [lex.literal]

5.13.4 Floating-point literals [lex.fcon]

Table 11: Types of floating-point-literals [tab:lex.fcon.type]

🔗	*floating-point-suffix*	type
🔗	none	double
🔗	f or F	float
🔗	l or L	long double
🔗	f16 or F16	std::float16_t
🔗	f32 or F32	std::float32_t
🔗	f64 or F64	std::float64_t
🔗	f128 or F128	std::float128_t
🔗	bf16 or BF16	std::bfloat16_t