Real Constants
Formal Definition
The real constants are used to specify floating-point numbers.
Simplified Syntax
sign unsigned_number.unsigned_number
sign unsigned_number.unsigned_number e
sign unsigned_number
sign unsigned_number.unsigned_number E
sign unsigned_number
Description
A real constant can be specified using only digits, underscores,
decimal points and exponential symbols (e or E). It cannot be
specified with size or base format. If a decimal point is provided
then the real number should have at least one digit on both sides of
a decimal point. Real numbers can be specified in the decimal
notation (Example 1) or in
the scientific notation (Example 2).
Examples
Example 1
17.5
0.5
1_000_000.0
Example 2
10e5
0.5694_e-5
Important Notes
|
