XL Fortran for AIX 8.1

Language Reference

+-------------------------------IBM Extension--------------------------------+


Arccosine (inverse cosine) function. Result in degrees.

must be of type real. Its value must satisfy the inequality |X| <= 1.


Elemental function

Result Type and Attributes

Same as X.

Result Value


ACOSD (0.5) has the value 60.0.

Specific Name Argument Type Result Type Pass As Arg?
ACOSD default real default real yes
DACOSD double precision real double precision real yes
QACOSD REAL(16) REAL(16) yes

+----------------------------End of IBM Extension----------------------------+

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