Method on @infsup: smig (X) ¶

Get the signed mignitude of numbers in interval X, that is the unique number closest to zero for each element.

If X is empty, smig (X) is NaN.

Accuracy: The result is exact.

smig (infsup (-2, -1))
  ⇒ ans = -1

See also: @@infsup/mig, @@infsup/mag, @@infsup/inf, @@infsup/sup.

Package: interval