\(\newcommand{\W}[1]{ \; #1 \; }\) \(\newcommand{\R}[1]{ {\rm #1} }\) \(\newcommand{\B}[1]{ {\bf #1} }\) \(\newcommand{\D}[2]{ \frac{\partial #1}{\partial #2} }\) \(\newcommand{\DD}[3]{ \frac{\partial^2 #1}{\partial #2 \partial #3} }\) \(\newcommand{\Dpow}[2]{ \frac{\partial^{#1}}{\partial {#2}^{#1}} }\) \(\newcommand{\dpow}[2]{ \frac{ {\rm d}^{#1}}{{\rm d}\, {#2}^{#1}} }\)

valvector_unary_math.cpp

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Example and Test of valvector Unary Math Functions

# include <sstream>
# include <string>
# include <cppad/example/valvector/class.hpp>
# include <cppad/utility/near_equal.hpp>
//
bool math_unary(void)
{   typedef valvector::scalar_type scalar_type;
    //
    // ok
    bool ok = true;
    //
    // eps99
    scalar_type eps99 = CppAD::numeric_limits<scalar_type>::epsilon();
    eps99            *= scalar_type(99);
    //
    // u, v, ok
    valvector u = valvector( {2, 3, 4} );
    valvector v;
    ok &= u.size() == 3;
    //
    // ok
    v   = CppAD::sqrt(u);
    for(size_t i = 0; i < u.size(); ++i)
        ok &= CppAD::NearEqual( v[i], sqrt(u[i]), eps99, eps99);

    //
    return ok;
}