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

valvector_azmul.cpp

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Example and Test of valvector azmul Function

# include <sstream>
# include <string>
# include <cppad/example/valvector/class.hpp>
# include <cppad/utility/near_equal.hpp>
//
bool azmul(void)
{   typedef valvector::scalar_type scalar_type;
    //
    // ok
    bool ok = true;
    //
    // nan
    scalar_type nan   = CppAD::numeric_limits<scalar_type>::quiet_NaN();
    //
    // x, y, z
    valvector x = valvector( {0, 1, 2} );
    valvector y = valvector( {nan, nan, 5} );;
    valvector z = CppAD::azmul(x, y);
    //
    // ok
    ok &= z[0] == scalar_type(0);
    ok &= CppAD::isnan( z[1] );
    ok &= z[2] == x[2] * y[2];
    //
    return ok;
}