ATAND — Arctangent function, degrees#
-
ATAND(X)#
ATAND(X)
computes the arctangent ofX
in degrees (inverse of TAND).- Parameters
X – The type shall be
REAL
orCOMPLEX
; ifY
is present,X
shall be REAL.Y – The type and kind type parameter shall be the same as
X
.
- Returns
The return value is of the same type and kind as
X
. IfY
is present, the result is identical toATAND2(Y,X)
. Otherwise, it is the arcus tangent ofX
, where the real part of the result is in degrees and lies in the range -90 leq Re atand(x) leq 90.
- Standard:
GNU extension, enabled with
-fdec-math
.- Class:
Elemental function
- Syntax:
RESULT = ATAND(X) RESULT = ATAND(Y, X)
- Example:
program test_atand real(8) :: x = 2.866_8 x = atand(x) end program test_atand
- Specific names:
Name
Argument
Return type
Standard
ATAND(X)
REAL(4) X
REAL(4)
GNU extension
DATAND(X)
REAL(8) X
REAL(8)
GNU extension
- See also: