Function vector_overflow_example

exprtk_simple_example_20.cpp:55–103

template <typename T>
void vector_overflow_example()
{
   typedef exprtk::symbol_table<T> symbol_table_t;
   typedef exprtk::expression<T>   expression_t;
   typedef exprtk::parser<T>       parser_t;

   const std::string expression_str =
      " for (var i := 0; i < max(v0[],v1[]); i += 1) "
      " {                                            "
      "    v0[i] := (2 * v0[i]) + (v1[i] / 3);       "
      " }                                            ";

   T v0[5 ] = { 0, 1, 2, 3, 4 };
   T v1[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };

   vector_access_rtc vec_rtc;

   vec_rtc.vector_map[v0] = "v0";
   vec_rtc.vector_map[v1] = "v1";

   symbol_table_t symbol_table;
   expression_t   expression;
   parser_t       parser;

   symbol_table.add_vector("v0", v0);
   symbol_table.add_vector("v1", v1);

   expression.register_symbol_table(symbol_table);

   parser.register_vector_access_runtime_check(vec_rtc);

   try
   {
      if (!parser.compile(expression_str, expression))
      {
         printf("Error: %s\tExpression: %s\n",
                parser.error().c_str(),
                expression_str.c_str());

         return;
      }

      expression.value();
   }
   catch(std::runtime_error& exception)
   {
      printf("Exception: %s\n",exception.what());
   }
}

int main()
{