DCOT (3sciport)

Computes cotangent

SYNOPSIS

  result = DCOT( arg )

FUNCTION VALUE

  dcot            Double precision.
                  The cotangent of arg.

ARGUMENT

  arg             Double precision.
                  The input argument.

DESCRIPTION

  The external double precision function DCOT returns the cotangent of its
  double precision input argument. Since DCOT is not an ANSI Fortran 77
  intrinsic function, it must be declared as DOUBLE PRECISION and EXTERNAL.

  For equations and other information, see Volume 3: UNICOS Math and
  Scientific Library Reference Manual SR-2081 7.0, Cray Research, Inc.