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Up-> cppad_py library cpp_lib a_double a_double_cond_assign a_double_cond_assign_xam.cpp

library-> py_lib cpp_lib

cpp_lib-> a_double vector cpp_fun sparse cpp_utility more_cpp

a_double-> a_double_ctor a_double_unary_op a_double_property a_double_binary a_double_compare a_double_assign a_double_unary_fun a_double_cond_assign

a_double_cond_assign-> a_double_cond_assign_xam.cpp a_double_cond_assign_xam.py

a_double_cond_assign_xam.cpp

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# include <cstdio>
# include <cppad/py/cppad_py.hpp>

bool a_double_cond_assign_xam(void) {
     using cppad_py::a_double;
     using cppad_py::vec_double;
     using cppad_py::vec_a_double;
     using cppad_py::d_fun;
     //
     // initialize return variable
     bool ok = true;
     //------------------------------------------------------------------------
     int n_ind = 4;
     int n_dep = 1;
     //
     // create ax (value of independent variables does not matter)
     vec_double x(n_ind);
     x[0] = 0.0;
     x[1] = 1.0;
     x[2] = 2.0;
     x[3] = 3.0;
     vec_a_double ax = cppad_py::independent(x);
     //
     // arguments to conditional assignment
     a_double left = ax[0];
     a_double right = ax[1];
     a_double if_true = ax[2];
     a_double if_false = ax[3];
     //
     // assignment
     a_double target;
     target.cond_assign(
          "<",
          left,
          right,
          if_true,
          if_false
     );
     //
     // f(x) = taget
     vec_a_double ay(n_dep);
     ay[0] = target;
     d_fun f(ax, ay);
     //
     // assignment with different independent variable values
     x[0] = 9.0; // left
     x[1] = 8.0; // right
     x[2] = 7.0; // if_true
     x[3] = 6.0; // if_false
     int p = 0;
     vec_double y = f.forward(p, x);
     ok = ok && y[0] == 6.0;
     //
     return( ok  );
}