// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
// SPDX-FileCopyrightText: Bradley M. Bell <bradbell@seanet.com>
// SPDX-FileContributor: 2003-22 Bradley M. Bell
// ----------------------------------------------------------------------------
# include <cppad/core/cppad_assert.hpp>
# include <utility>

// documentations for this routintes are in the file below
# include <cppad/local/graph/cpp_graph_op.hpp>

// BEGIN_CPPAD_LOCAL_GRAPH_NAMESPACE
namespace CppAD { namespace local { namespace graph {

// mapping from operator name to graph_op_enum value
std::map<std::string, graph_op_enum> op_name2enum;

// map from operator enum to name
const char* op_enum2name[n_graph_op];

// map from operator enum to n_arg (when fixed number of arguments)
size_t op_enum2fixed_n_arg[n_graph_op];

// This routine is called by the first use of the cpp_graph constructor
// see cpp_grpah.hpp.
void set_operator_info(void)
{  // This routine cannot be called in parallel mode
   CPPAD_ASSERT_UNKNOWN( ! ( CppAD::thread_alloc::in_parallel() ));
   //
   typedef std::pair<std::string, graph_op_enum> pair;
   struct op_info {
      graph_op_enum code;
      const char*  name;
      size_t       n_arg;
   };
   /*
   If n_arg is zero in the table below, the table contains a comment as to
   the heading in graph_op_enum.hpp below which you can find the
   specifications for n_arg, n_result for the corresponding operator.
   */
   // BEGIN_SORT_THIS_LINE_PLUS_2
   op_info op_info_vec[] = {
      { abs_graph_op,      "abs",      1 }, // 1 result
      { acos_graph_op,     "acos",     1 }, // 1 result
      { acosh_graph_op,    "acosh",    1 }, // 1 result
      { add_graph_op,      "add",      2 }, // 1 result
      { asin_graph_op,     "asin",     1 }, // 1 result
      { asinh_graph_op,    "asinh",    1 }, // 1 result
      { atan_graph_op,     "atan",     1 }, // 1 result
      { atanh_graph_op,    "atanh",    1 }, // 1 result
      { atom4_graph_op,    "atom4",    0 }, // See Atomic Function
      { atom_graph_op,     "atom",     0 }, // See Atomic Function
      { azmul_graph_op,    "azmul",    2 }, // 1 result
      { cexp_eq_graph_op,  "cexp_eq",  4 }, // 1 result
      { cexp_le_graph_op,  "cexp_le",  4 }, // 1 result
      { cexp_lt_graph_op,  "cexp_lt",  4 }, // 1 result
      { comp_eq_graph_op,  "comp_eq",  0 }, // See Comparisons
      { comp_le_graph_op,  "comp_le",  0 }, // ...
      { comp_lt_graph_op,  "comp_lt",  0 }, // ...
      { comp_ne_graph_op,  "comp_ne",  0 }, // ...
      { cos_graph_op,      "cos",      1 }, // 1 result
      { cosh_graph_op,     "cosh",     1 }, // 1 result
      { discrete_graph_op, "discrete", 0 }, // See Discrete Function
      { div_graph_op,      "div",      2 }, // 1 result
      { erf_graph_op,      "erf",      1 }, // 1 result
      { erfc_graph_op,     "erfc",     1 }, // 1 result
      { exp_graph_op,      "exp",      1 }, // 1 result
      { expm1_graph_op,    "expm1",    1 }, // 1 result
      { log1p_graph_op,    "log1p",    1 }, // 1 result
      { log_graph_op,      "log",      1 }, // 1 result
      { mul_graph_op,      "mul",      2 }, // 1 result
      { neg_graph_op,      "neg",      1 }, // 1 result
      { pow_graph_op,      "pow",      2 }, // 1 result
      { print_graph_op,    "print",    0 }, // See Print
      { sign_graph_op,     "sign",     1 }, // 1 result
      { sin_graph_op,      "sin",      1 }, // 1 result
      { sinh_graph_op,     "sinh",     1 }, // 1 result
      { sqrt_graph_op,     "sqrt",     1 }, // 1 result
      { sub_graph_op,      "sub",      2 }, // 1 result
      { sum_graph_op,      "sum",      0 }, // See Summation
      { tan_graph_op,      "tan",      1 }, // 1 result
      { tanh_graph_op,     "tanh",     1 }  // 1 result
   };
   // END_SORT_THIS_LINE_MINUS_2
   CPPAD_ASSERT_UNKNOWN(
      size_t(n_graph_op) == sizeof(op_info_vec) / sizeof(op_info_vec[0])
   );
   for(size_t i = 0; i < size_t(n_graph_op); ++i)
   {  graph_op_enum code              = op_info_vec[i].code;
      const char*  name              = op_info_vec[i].name;
      size_t       n_arg             = op_info_vec[i].n_arg;
      CPPAD_ASSERT_UNKNOWN( size_t(code) == i );
      //
      op_enum2name[code]        = name;
      op_enum2fixed_n_arg[code] = n_arg;
      op_name2enum.insert( pair(name, code) );
   }
}

} } } // END_CPPAD_LOCAL_GRAPH_NAMESPACE
