toreal
The toreal
function converts the input to a value of type real
(double
, decimal
).
Aliases: real
, decimal
, todecimal
, double
, todouble
.
Syntax
toreal( Expression )
Arguments
- Expression: Expression whose value will be converted to a value of type
real
.
Returns
If the type conversion is successful, returns a value of type real
(double
, decimal
).
If the type conversion fails, returns null
.
Example
toreal("123.4")
returns123.4
toreal("1e3")
returns1000
toreal("hello")
returnsnull