Elemental Intrinsic Function (Generic): Produces the arccosine of x.
Syntax
Results
The result type is the same as x and is expressed in radians. The value lies in the range 0 to pi.
Specific Name | Argument Type | Result Type |
---|---|---|
ACOS | REAL(4) | REAL(4) |
DACOS | REAL(8) | REAL(8) |
QACOS 1 | REAL(16) | REAL(16) |
1 Or QARCOS. |
Example
ACOS (0.68032123) has the value .8225955.