1.3 KiB
1.3 KiB
Function isInteger
Test whether a value is an integer number.
The function supports number
, BigNumber
, and Fraction
.
The function is evaluated element-wise in case of Array or Matrix input.
Syntax
math.isInteger(x)
Parameters
Parameter | Type | Description |
---|---|---|
x |
number | BigNumber | Fraction | Array | Matrix | Value to be tested |
Returns
Type | Description |
---|---|
boolean | Returns true when x contains a numeric, integer value. Throws an error in case of an unknown data type. |
Throws
Type | Description |
---|
Examples
math.isInteger(2) // returns true
math.isInteger(0) // returns true
math.isInteger(0.5) // returns false
math.isInteger(math.bignumber(500)) // returns true
math.isInteger(math.fraction(4)) // returns true
math.isInteger('3') // returns true
math.isInteger([3, 0.5, -2]) // returns [true, false, true]
math.isInteger(math.complex('2-4i') // throws an error