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

valvector_compound_op.cpp

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Example and Test of valvector Compound Assignment Operators

# include <cppad/example/valvector/class.hpp>
//
bool compound_op(void)
{   //
    // ok
    bool ok = true;
    //
    // u, v, w
    valvector u(2);
    valvector v( {4, 6, 8} );
    valvector w;
    ok &= u.size() == 1;
    ok &= v.size() == 3;
    ok &= w.size() == 1;
    //
    // ok
    w  = v;
    w += u;
    ok &= w.size() == 3;
    for(size_t i = 0; i < w.size(); ++i)
        ok &= w[i] == v[i] + u[i];
    //
    // ok
    w  = v;
    w -= u;
    ok &= w.size() == 3;
    for(size_t i = 0; i < w.size(); ++i)
        ok &= w[i] == v[i] - u[i];
    //
    // ok
    w  = v;
    w *= u;
    ok &= w.size() == 3;
    for(size_t i = 0; i < w.size(); ++i)
        ok &= w[i] == v[i] * u[i];
    //
    // ok
    w  = v;
    w /= u;
    ok &= w.size() == 3;
    for(size_t i = 0; i < w.size(); ++i)
        ok &= w[i] == v[i] / u[i];
    //
    return ok;
}