@technobuddha > library > Math > Comparison

Function: approximatelyEquals()

function approximatelyEquals(
   a: number, 
   b: number, 
   options: ApproximatelyEqualsOptions): boolean;

Defined in: approximately-equals.ts:30

Tests whether the two values are equal to each other, within a certain tolerance, taking into account floating point errors (numbers within EPSILON).

Parameters

Parameter	Type	Description
a	number	First number to compare.
b	number	Second number to compare.
options	ApproximatelyEqualsOptions	see ApproximatelyEqualsOptions

Returns

boolean

true if a and b are nearly equal.

Default Value

tolerance 0

Example

approximatelyEquals(0.1 + 0.2, 0.3); // true (floating point rounding)
approximatelyEquals(100, 100.0000001); // true
approximatelyEquals(100, 100.1); // false
approximatelyEquals(5, 7, { tolerance: 2 }); // true
approximatelyEquals(5, 8, { tolerance: 2 }); // false