Expressions and Operators - Illustrated C# 2005 - page 176

Real Literals
Literals for real numbers consist of the following:

￿Decimal dig ts

￿ An optional decimal point

￿ An optional exponent part

￿ An optional suffix

For example, the following code shows various formats of literals of the real types:

float f1 = 236F;
double d1 = 236.714;
double d2 = .35192;
double d3 = 6.338e-26;

The valid formats for real literals are shown in Figure 8-2. Components with names in
square brackets are optional. The real suffixes and their meanings are shown in Table 8-2.

Figure 8-2. The real literal formats

Table 8-2. Suffixes for the Real Literals

Suffix Real Type

double

None

F , f float

D , d double

M , m decimal

■ Note Real literals without a suffix are of type double , not float !