TAL Reference Manual

Expressions

TAL Reference Manual—526371-001

4-5

Arithmetic Expressions

An arithmetic expression is a sequence of operands and arithmetic operators that

computes a single numeric value of a specific data type.

+ and -

are unary plus and minus operators applied to the leftmost operand of the

expression. If you do not use the unary plus or unary minus operator, the default is

unary plus.

operand

is a value in an arithmetic expression. Each operand consists of one or more of the

following syntactic elements. Each syntactic element represents a single value:

Variable

Constant

LITERAL

Function invocation

(expression)

Code space item

arithmetic-operator

is one of the following operators:

Signed arithmetic operator: +, -, *, /

Unsigned arithmetic operator: '+', '-', '*', '/', '\'

Logical operator: LOR, LAND, XOR

VST0402.vsd

operand

arithmetic - operator operand