import * as almostEqual from 'almost-equal'; const res1 = almostEqual(1.999999, 2.0); const res2 = almostEqual(1.999999, 2.0, almostEqual.DBL_EPSILON); const res3 = almostEqual(1.999999, 2.0, almostEqual.FLT_EPSILON, almostEqual.FLT_EPSILON);