Method on @infsup: expm1 (X)

Compute exp (X) - 1 accurately in the neighborhood of zero.

Accuracy: The result is a tight enclosure.

expm1 (infsup (eps))
  ⇒ ans ⊂ [2.2204e-16, 2.2205e-16]

See also: @infsup/exp, @infsup/log1p.

Package: interval