9.1.2. Number Literals

Integers are represented as a sequence of digits. Floats use "." as a decimal separator. Either type of number may be preceded by "-" or "+" to indicate a negative or positive value, respectively

Examples of valid integers:

12210-32

Examples of valid floating-point numbers:

294.42-32032.6809e+10148.00

An integer may be used in a floating-point context; it is interpreted as the equivalent floating-point number.