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/GNU Fortran 7

9.74 COSD — Cosine function, degrees

Description:

COSD(X) computes the cosine of X in degrees.

This function is for compatibility only and should be avoided in favor of standard constructs wherever possible.

Standard:

GNU Extension, enabled with -fdec-math.

Class:

Elemental function

Syntax:

RESULT = COSD(X)

Arguments:
X The type shall be REAL or COMPLEX.
Return value:

The return value is of the same type and kind as X. The real part of the result is in degrees. If X is of the type REAL, the return value lies in the range -1 \leq \cosd (x) \leq 1.

Example:
program test_cosd
  real :: x = 0.0
  x = cosd(x)
end program test_cosd
Specific names:
Name Argument Return type Standard
COSD(X) REAL(4) X REAL(4) GNU Extension
DCOSD(X) REAL(8) X REAL(8) GNU Extension
CCOSD(X) COMPLEX(4) X COMPLEX(4) GNU Extension
ZCOSD(X) COMPLEX(8) X COMPLEX(8) GNU extension
CDCOSD(X) COMPLEX(8) X COMPLEX(8) GNU extension
See also:

Inverse function: ACOSD Radians function: COS

© Free Software Foundation
Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-7.1.0/gfortran/COSD.html