Literals/Floating point: Difference between revisions
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=={{header|D}}==
D built-in floating point types include ''float'' (32-bit), ''double'' (64-bit) and ''real'' (machine hardware maximum precision floating point type, 80-bit on x86 machine) and respective complex number types. Here's information for [http://www.d-programming-language.org/lex.html#floatliteral Floating Literals].
=={{header|Dyalect}}==
Dyalect built-in types include only one floating point number of type ''Float'' (64-bit). Both regular and scientific notations are supported:
<lang Dyalect>var x = 42.02
var y = 0.174e-17</lang>
EBNF grammar for the floating point number is as follows:
<pre>float = "." digit { digit } [ ("e"|"E") [ "+" | "-" ] digit { digit } ]
| digit { digit }
(
"." digit { digit } [ ( "e" | "E" ) ["+" | "-" ] digit { digit } ]
| ( "e" | "E") ["+" | "-" ] digit { digit }
).</pre>
=={{header|Eiffel}}==
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