Polynomial Evaluation: Example and Test
Keywords: polynomial evaluation: example test

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Polynomial Evaluation: Example and Test
`

    # include <cppad/cppad.hpp>
    # include <cmath>

    bool Poly(void)
    {	bool ok = true;

    	// degree of the polynomial
    	size_t deg = 3;

    	// set the polynomial coefficients
    	CPPAD_TESTVECTOR(double)   a(deg + 1);
    	size_t i;
    	for(i = 0; i <= deg; i++)
    		a[i] = 1.;

    	// evaluate this polynomial
    	size_t k = 0;
    	double z = 2.;
    	double p = CppAD::Poly(k, a, z);
    	ok      &= (p == 1. + z + z*z + z*z*z);

    	// evaluate derivative
    	k = 1;
    	p = CppAD::Poly(k, a, z);
    	ok &= (p == 1 + 2.*z + 3.*z*z);

    	return ok;
    }

`

Input File: example/poly.cpp