MACROMEDIA DIRECTOR MX 2004-DIRECTOR SCRIPTING, Reference

Page: 317 / 1130

floatP() 317
float()
Usage
( expression ).float
float ( expression )
Description
Function (Lingo only); converts an expression to a floating-point number. The number of digits
that follow the decimal point (for display purposes only, calculations are not affected) is set using
the
floatPrecision
property.
In JavaScript syntax, use the
parseFloat()
function.
Parameters
expression
Required. The expression to convert to a floating-point number.
Example
This statement converts the integer 1 to the floating-point number 1:
put (1).float
-- 1.0
Math operations can be performed using
float
; if any of the terms is a
float
value, the entire
operation is performed with
float
:
"the floatPrecision = 1
put 2 + 2
-- 4
put (2).float + 2
-- 4.0
the floatPrecision = 4
put 22/7
-- 3
put (22).float / 7
-- 3.1429"
See also
floatPrecision , ilk()
floatP()
Usage
( expression ).floatP
floatP( expression )
Description
Function (Lingo only); indicates whether an expression is a floating-point number (1 or
TRUE
) or
not (0 or
FALSE
).
The P in
floatP
stands for predicate .
Parameters
expression
Required. The expression to test.