CULngInt

FreeBASIC

CULngInt
 
Converts numeric or string expression to 64-bit unsigned integer (ULongInt)

Syntax

Declare Function CULngInt ( ByVal expression As datatype ) As ULongInt

Type typename
End Type

Usage

result = CULngInt( numeric expression )
result = CULngInt( string expression )
result = CULngInt( user defined type )

Parameters

expression
a numeric, string, or pointer expression to cast to a ULongInt value
datatype
any numeric, string, or pointer data type
typename
a user defined type

Return Value

A ULongInt value.

Description

The CULngInt function rounds off the decimal part and returns a 64-bit ULongInt value. The function does not check for an overflow, and results are undefined for values which are less than 0 or larger than 18 446 744 073 709 551 615. Additionally, casts from floating-point expressions are currently not guaranteed to work for values higher than 2^63 (9 223 372 036 854 775 808).


The name can be explained as 'Convert to Unsigned LoNG INTeger'.

If the argument is a string expression, it is converted to numeric by using ValULng.

Example

' Using the CLNGINT function to convert a numeric value

'Create an UNSIGNED LONG INTEGER variable
Dim numeric_value As ULongInt

'Convert a numeric value
numeric_value = CULngInt(12345678.123)

'Print the result, should return 12345678
Print numeric_value
Sleep


Dialect Differences

  • Not available in the -lang qb dialect unless referenced with the alias __Culngint.

Differences from QB

  • New to FreeBASIC

See also