7.31 COS — Cosine function

Description:

COS(X) computes the cosine of X.

Option:

f95, gnu

Class:

elemental function

Syntax:

X = COS(X)

Arguments:

X	The type shall be REAL(*) or COMPLEX(*).

Return value:

The return value has the same type and kind as X.

Example:

          program test_cos
            real :: x = 0.0
            x = cos(x)
          end program test_cos
     

Specific names:

Name	Argument	Return type	Option
DCOS(X)	REAL(8) X	REAL(8)	f95, gnu
CCOS(X)	COMPLEX(4) X	COMPLEX(4)	f95, gnu
ZCOS(X)	COMPLEX(8) X	COMPLEX(8)	f95, gnu
CDCOS(X)	COMPLEX(8) X	COMPLEX(8)	f95, gnu