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ErFC(X)

ErFC: `REAL`

function, the ``KIND=`' value of the type being that of argument `X`.

`X`: `REAL`

; scalar; INTENT(IN).

Intrinsic groups: `unix`

.

Description:

Returns the complementary error function of `X`:
``ERFC(R) = 1 - ERF(R)`' (except that the result might be more
accurate than explicitly evaluating that formulae would give).
See `erfc(3m)`

, which provides the implementation.