MATLAB Function Reference    
uint8, uint16, uint32

Convert to unsigned integer

Syntax

Description

i = uint*(x) converts the vector x into an unsigned integer. x can be any numeric object (such as a double). The results of a uint* operation are shown in the next table.

Operation
Output Range
Output Type
Bytes per Element
Output Class
uint8
0 to 255
Unsigned 8-bit integer
1
uint8
uint16
0 to 65535
Unsigned 16-bit integer
2
uint16
uint32
0 to 4294967295
Unsigned 32-bit integer
4
uint32

A value of x above or below the range for a class is mapped to one of the endpoints of the range. If x is already an unsigned integer of the same class, uint* has no effect.

The uint* class is primarily meant to store integer values. Most operations that manipulate arrays without changing their elements are defined (examples are reshape, size, the logical and relational operators, subscripted assignment, and subscripted reference). No math operations except for sum are defined for uint* since such operations are ambiguous on the boundary of the set (for example they could wrap or truncate there). You can define your own methods for uint* (as you can for any object) by placing the appropriately named method in an @uint* directory within a directory on your path.

Type help datatypes for the names of the methods you can overload.

See Also

double, int8, int16, int32, single


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