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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 ad_ctor.cpp}
AD Constructors: Example and Test
#################################
{xrst_literal
// BEGIN C++
// END C++
}
{xrst_end ad_ctor.cpp}
*/
// BEGIN C++
# include <cppad/cppad.hpp>
bool ad_ctor(void)
{ bool ok = true; // initialize test result flag
using CppAD::AD; // so can use AD in place of CppAD::AD
// default constructor
AD<double> a;
a = 0.;
ok &= a == 0.;
ok &= Constant(a);
// constructor from base type
AD<double> b(1.);
ok &= b == 1.;
ok &= Constant(b);
// constructor from another type that converts to the base type
AD<double> c(2);
ok &= c == 2.;
ok &= Constant(c);
// constructor from AD<Base>
AD<double> d(c);
ok &= d == c;
// constructor from a VecAD<Base> element
CppAD::VecAD<double> v(1);
v[0] = 3.;
AD<double> e( v[0] );
ok &= e == 3.;
return ok;
}
// END C++
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