intmax

Largest value of specific integer type

Syntax

v = intmax

v = intmax(type)

Description

v = intmax returns the largest value of the 32-bit signed integer type.

v = intmax(type) returns the largest value of the specified integer type. When you convert a value that is larger than intmax(type) into the integer type type, the value becomes intmax(type).

Examples

Largest Value of 32-bit Signed Integer

Return the largest value of the 32-bit signed integer type.

v = intmax

v = int32
    2147483647

Largest Value of 64-bit Unsigned Integer

Return the largest value of the 64-bit unsigned integer type.

v = intmax('uint64')

v = uint64
    18446744073709551615

Check the class of v.

class(v)

ans = 
'uint64'

Convert Value Larger Than intmax

Return the largest value of the 8-bit signed integer type, which is 127.

v = intmax('int8')

v = int8
    127

Convert a value larger than 127 to 8-bit signed integer.

v1 = int8(198)

v1 = int8
    127

The converted value becomes 127.

Check that v1 is the same as v.

isequal(v,v1)

ans = logical
   1

Input Arguments

type — Integer type

'int32' (default) | character vector | string

Integer type, specified as a character vector or string. This table shows the valid options for type.

Integer Type	Description
'int8'	8-bit signed integer
'int16'	16-bit signed integer
'int32'	32-bit signed integer
'int64'	64-bit signed integer
'uint8'	8-bit unsigned integer
'uint16'	16-bit unsigned integer
'uint32'	32-bit unsigned integer
'uint64'	64-bit unsigned integer

Extended Capabilities

C/C++ Code Generation
Generate C and C++ code using MATLAB® Coder™.