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// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
// SPDX-FileCopyrightText: Bradley M. Bell <bradbell@seanet.com>
// SPDX-FileContributor: 2003-22 Bradley M. Bell
// ----------------------------------------------------------------------------
/*
{xrst_begin function_name.cpp}
ADFun Function Name: Example and Test
#####################################
{xrst_literal
// BEGIN C++
// END C++
}
{xrst_end function_name.cpp}
*/
// BEGIN C++
# include <cppad/cppad.hpp>
bool function_name(void)
{ bool ok = true;
using CppAD::AD;
// create empty function
CppAD::ADFun<double> f;
// check its name
ok &= f.function_name_get() == "";
// set and check a new name
f.function_name_set("empty_function");
ok &= f.function_name_get() == "empty_function";
// store an operation sequence in f
size_t nx = 1;
size_t ny = 1;
CPPAD_TESTVECTOR( AD<double> ) ax(nx), ay(ny);
ax[0] = 1.0;
CppAD::Independent(ax);
ay[0] = sin(ax[0]);
f.Dependent(ax, ay);
// check function name has not changed
ok &= f.function_name_get() == "empty_function";
// now set a better name for this function
f.function_name_set("sin");
ok &= f.function_name_get() == "sin";
return ok;
}
// END C++
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