isinteger

Test whether the input is integer-typed (or, in script mode, integer-valued).

Syntax

tf = isinteger(A)

Description

In Excel-compatible mode, returns true when A’s storage type is one of the integer types (int8, int16, int32, int64, and their unsigned variants).

In script mode, returns true when A’s value is an integer regardless of storage — so isinteger(3.0) is true but isinteger(3.5) is false. Applied elementwise for arrays.

Note: this differs from MATLAB’s isinteger, which tests storage type only.

Examples

isinteger(int32(5)) % 1
isinteger(3.0)      % 1 in script mode, 0 in Excel-compat
isinteger(3.5)      % 0

See also

• isnumeric — Test whether the input is a numeric type.
• islogical — Test whether the input is of logical (boolean) type.
• isscalar — Test whether the input is a 1×1 scalar.