2.13.3 - [lex.fcon] - [lexical. Floating point constant]

xiaoxiao2021-03-06  118

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2 Lexical Conventions [Lex] 2.13 Litrals [lex.literal] 2.3.3 floating literals [lex.fcon] 2 lexical agreement [lexical] 2.13 text quantity [lexical. Text quantity] 2.3.3 floating point text [lex " constant] floating-literal: fractional-constant exponent-partopt floating-suffixopt digit-sequence exponent-part floating-suffixopt fractional-constant: digit-sequenceopt digit-sequence digit-sequence exponent-part:.. e signopt digit-sequence E signopt Digit-sequence Sign: One of - Digit-sequence: Digit Digit-Sequence Digit Floating-Suffix: One of FL Flift - Text Quantity: Digital - Constant Index - Part Opt Floating Point - Sufficient OPT Digital - Sequence Index - Part Floation - suffix OPT decimal - constant: Digital - Sequence Opt. Digital - Sequence Digital - Sequence. Index - Part: E Swords OPT Digital - Sequence E Sign OPT Digital - Sequence Symbol: One of the following - Digital - Sequence: Digital Number - Sequence digital floating point - suffix: one of the following fl floating literal consists of an integer part, a decimal point, a fractional part, an e or e, an optionally Signed Integer Exponent, and an AN Optional Type Suffix. The Integer And Fraction Parts Both Consist of a Sequence of Decimal (Base Ten) Digits. Either The Integer Part Or The Fraction Part (Not Both) Can Be itted

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