En:Logical operations

Материал из Pocket Fallout для КПК на PDA PC PPC Mobile.

Содержание 1 What are "Logical operations" ? 1.1 Logical operations 1.2 Comparison operations 2 Example

What are "Logical operations" ?

The logical operators compare boolean expressions and return a boolean result (true value or false value). In PFSL laguage as expression of logical operation can be :

• Logical operations;
• Results of activities of functions;

Logical operations

• AND – logical «AND»;
• OR – logical «OR»;
• NOT – logical «NOT»;

Comparison operations

• == (two «equal» value, without blanks !)- equality;
• > - greater than;
• < - less than;
• >= - greater than or equal to;
• <= - less than or equal to;
• <> - inequality;

Example

var a = 5;
var b = 1;
var c = 0;
if (a > b) or (b==c) then
   c = a + b;
else
   c = a - b;
endif