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/GNU Fortran 7

9.77 COTAND — Cotangent function, degrees

Description:

COTAND(X) computes the cotangent of X in degrees. Equivalent to COSD(x) divided by SIND(x), or 1 / TAND(x).

Standard:

GNU Extension, enabled with -fdec-math.

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

Class:

Elemental function

Syntax:

RESULT = COTAND(X)

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

The return value has same type and kind as X, and its value is in degrees.

Example:
program test_cotand
  real(8) :: x = 0.165_8
  x = cotand(x)
end program test_cotand
Specific names:
Name Argument Return type Standard
COTAND(X) REAL(4) X REAL(4) GNU Extension
DCOTAND(X) REAL(8) X REAL(8) GNU Extension
See also:

Converse function: TAND Radians function: COTAN

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