9.255. TAN

9.255 TAN — Tangent function

Description:
TAN(X) computes the tangent of X.
Standard:
Fortran 77 and later, for a complex argument Fortran 2008 or later
Class:
Elemental function
Syntax:
RESULT = TAN(X)
Arguments:
X The type shall be REAL or COMPLEX.
Return value:
The return value has same type and kind as X.
Example:
program test_tan
  real(8) :: x = 0.165_8
  x = tan(x)
end program test_tan
Specific names:
Name Argument Return type Standard
TAN(X) REAL(4) X REAL(4) Fortran 95 and later
DTAN(X) REAL(8) X REAL(8) Fortran 95 and later
See also:
ATAN

© Free Software Foundation
Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-6.3.0/gfortran/TAN.html

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