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Up-> cppad_py library cpp_lib a_double a_double_unary_op

cppad_py-> setup.py library whats_new_2018

library-> py_lib cpp_lib

cpp_lib-> a_double vector cpp_fun sparse cpp_utility more_cpp

a_double-> a_double_ctor a_double_unary_op a_double_property a_double_binary a_double_compare a_double_assign a_double_unary_fun a_double_cond_assign

a_double_unary_op-> a_double_unary_op_xam.cpp a_double_unary_op_xam.py

Headings-> Syntax ax ay Example

@(@\newcommand{\B}[1]{ {\bf #1} } \newcommand{\R}[1]{ {\rm #1} }@)@ a_double Unary Plus and Minus
Syntax
ay = +ax
ay = -ax

ax
This object has prototype
     const a_double& ax

ay
If the operator is +, the result is equal to ax . If it is -, the result is the negative of ax .

Example
C++ , Python .

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Input File: lib/cplusplus/a_double.cpp