Elemental Intrinsic Function (Generic): Returns the error function of an argument.
result = ERF (x)
x |
(Input) Must be of type real. |
Results
The result type and kind are the same as x. The result is in the range -1 to 1.
ERF returns the error function of x defined as follows:
Specific Name |
Argument Type |
Result Type |
|---|---|---|
ERF |
REAL(4) |
REAL(4) |
DERF |
REAL(8) |
REAL(8) |
QERF |
REAL(16) |
REAL(16) |
Example
ERF (1.0) has the value 0.842700794.