cot

NAME

COT, COTAN, DCOT, DCOTAN - Compute cotangent

COT ([X=]x)
COTAN ([X=]x)
DCOT ([X=]x)
DCOTAN ([X=]x)

Cray Linux Environment (CLE)

Fortran extensions

COT is the generic function name; the others are specifics. They are elemental intrinsic functions. They accept the following argument:

x: Must be of type real. The type and kind type of x is identical to the type and kind type of the return value. See the RETURN VALUES section for more information on input data types and return values.

These functions evaluate y = COT(x).

The COT and DCOT intrinsic function names can be passed as arguments; the others cannot.

COT(x) returns NaN, if one of the following is true:

COT and COTAN return the single-precision real cotangent of their single-precision real arguments.

DCOT and DCOTAN return the double-precision real cotangent of their double-precision real arguments.