RealConstant¶

Real literal constant, an expr node.

Declaration¶

Syntax¶

RealConstant(floar r, ttype type)

Arguments¶

Argument Name	Argument Description
`r`	value of real
`type`	tabel entry type

Return values¶

The return value is the expression that the RealConstant represents.

Описание¶

RealConstant represents real constant which consists of a optional plus or minus sign, followed by a string of decimal digits, before or after decimal point. If no sign is present, the constant is assumed to be non negative.

The value must be in the REAL*4 range, uses 4 bytes of storage. It can have a decimal point or an exponent.

Types¶

Only accepts real constant, real exponent, floating point values.

Examples¶

+199.
-1.2
1.6E12

ASR:

(TranslationUnit
    (SymbolTable
        1
        {

        })
    [(RealConstant
        199.000000
        (Real 4 [])
    )
    (RealUnaryMinus
        (RealConstant
            1.200000
            (Real 4 [])
        )
        (Real 4 [])
        (RealConstant
            -1.200000
            (Real 4 [])
        )
    )
    (RealConstant
        1600000000000.000000
        (Real 4 [])
    )]
)