結果
The result type and kind is the same as x. The result is in the range 0 to 2.
ERFC returns 1 - ERF(x) and is defined as follows:

ERFC is provided because of the extreme loss of relative accuracy if ERF(x) is called for large x and the result is subtracted from 1.
Specific Name
|
Argument Type
|
Result Type
|
ERFC
|
REAL(4)
|
REAL(4)
|
DERFC
|
REAL(8)
|
REAL(8)
|
QERFC
|
REAL(16)
|
REAL(16)
|