Next: COSD, Previous: CONJG, Up: Intrinsic Procedures [Contents][Index]
COS
— Cosine functionCOS(X)
computes the cosine of X.
Fortran 77 and later, has overloads that are GNU extensions
Elemental function
RESULT = COS(X)
X | The type shall be REAL or
COMPLEX . |
The return value is of the same type and kind as X. The real part
of the result is in radians. If X is of the type REAL
,
the return value lies in the range -1 \leq \cos (x) \leq 1.
program test_cos real :: x = 0.0 x = cos(x) end program test_cos
Name | Argument | Return type | Standard |
COS(X) | REAL(4) X | REAL(4) | Fortran 77 and later |
DCOS(X) | REAL(8) X | REAL(8) | Fortran 77 and later |
CCOS(X) | COMPLEX(4) X | COMPLEX(4) | Fortran 77 and later |
ZCOS(X) | COMPLEX(8) X | COMPLEX(8) | GNU extension |
CDCOS(X) | COMPLEX(8) X | COMPLEX(8) | GNU extension |