// $Id: poly.cpp 3757 2015-11-30 12:03:07Z bradbell $
/* --------------------------------------------------------------------------
CppAD: C++ Algorithmic Differentiation: Copyright (C) 2003-15 Bradley M. Bell

CppAD is distributed under multiple licenses. This distribution is under
the terms of the
                    GNU General Public License Version 3.

A copy of this license is included in the COPYING file of this distribution.
Please visit http://www.coin-or.org/CppAD/ for information on other licenses.
-------------------------------------------------------------------------- */
/*
$begin double_poly.cpp$$
$spell
	onetape
	retape
	bool
	cppad
	CppAD
	hpp
$$

$section Double Speed: Evaluate a Polynomial$$
$mindex link_poly speed$$



$head Specifications$$
See $cref link_poly$$.

$head Implementation$$

$codep */
# include <cppad/cppad.hpp>
# include <cppad/speed/uniform_01.hpp>

// Note that CppAD uses global_memory at the main program level
extern bool
	global_onetape, global_atomic, global_optimize;

bool link_poly(
	size_t                     size     ,
	size_t                     repeat   ,
	CppAD::vector<double>     &a        ,  // coefficients of polynomial
	CppAD::vector<double>     &z        ,  // polynomial argument value
	CppAD::vector<double>     &p        )  // second derivative w.r.t z
{
	if(global_onetape||global_atomic||global_optimize)
		return false;
	// -----------------------------------------------------
	// setup

	// ------------------------------------------------------
	while(repeat--)
	{	// get the next argument value
		CppAD::uniform_01(1, z);

		// evaluate the polynomial at the new argument value
		p[0] = CppAD::Poly(0, a, z[0]);
	}
	return true;
}
/* $$
$end
*/
