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

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;
}