lines 255-289 of file: include/cppad/core/std_math_11.hpp {xrst_begin cosh} The Hyperbolic Cosine Function: cosh #################################### Syntax ****** *y* = ``cosh`` ( *x* ) x, y **** See the :ref:`unary_standard_math@Possible Types` for a unary standard math function. Atomic ****** This is an :ref:`atomic operation` . Derivative ********** .. math:: \R{cosh}^{(1)} (x) = \sinh(x) Example ******* {xrst_toc_hidden example/general/cosh.cpp } The file :ref:`cosh.cpp-name` contains an example and test of this function. {xrst_end cosh}