IF Statements

1
IF Statements

• Simplest case (Single Alternative)
• If condition then
• statement(s)
• End if

true
?
false
2
Two Alternatives

• If condition then
• statement(s)
• Else
• statement(s)
• End if

false
true
?
3
Multiple Alternatives

• If condition then
• statement(s)
• Elsif condition then
• statement(s)
• Elsif condition then
• statement(s)
• Else
• statement(s)
• End if

true
?
false
true
?
false
true
?
4
Precedence Rules

• , NOT, ABS
• , /, REM
• , - (as monadic operators)
• , -, (as dyadic operators)
• lt, lt, , /, gt, gt
• AND, OR, XOR

5
Boolean Operators
6
Examples