/*

Copyright (C) 1996-2018 John W. Eaton

This file is part of Octave.

Octave is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Octave is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, see
<https://www.gnu.org/licenses/>.

*/

#if defined (HAVE_CONFIG_H)
#  include "config.h"
#endif

#include "errwarn.h"
#include "ovl.h"
#include "ov.h"
#include "ov-cx-mat.h"
#include "ov-flt-cx-mat.h"
#include "ov-typeinfo.h"
#include "ov-null-mat.h"
#include "ops.h"
#include "xdiv.h"
#include "xpow.h"

// unary complex matrix ops.

DEFNDUNOP_OP (not, complex_matrix, complex_array, !)
DEFNDUNOP_OP (uplus, complex_matrix, complex_array, /* no-op */)
DEFNDUNOP_OP (uminus, complex_matrix, complex_array, -)

DEFUNOP (transpose, complex_matrix)
{
  const octave_complex_matrix& v
    = dynamic_cast<const octave_complex_matrix&> (a);

  if (v.ndims () > 2)
    error ("transpose not defined for N-D objects");

  return octave_value (v.complex_matrix_value ().transpose ());
}

DEFUNOP (hermitian, complex_matrix)
{
  const octave_complex_matrix& v
    = dynamic_cast<const octave_complex_matrix&> (a);

  if (v.ndims () > 2)
    error ("complex-conjugate transpose not defined for N-D objects");

  return octave_value (v.complex_matrix_value ().hermitian ());
}

DEFNCUNOP_METHOD (incr, complex_matrix, increment)
DEFNCUNOP_METHOD (decr, complex_matrix, decrement)
DEFNCUNOP_METHOD (changesign, complex_matrix, changesign)

// complex matrix by complex matrix ops.

DEFNDBINOP_OP (add, complex_matrix, complex_matrix, complex_array,
               complex_array, +)
DEFNDBINOP_OP (sub, complex_matrix, complex_matrix, complex_array,
               complex_array, -)

DEFBINOP_OP (mul, complex_matrix, complex_matrix, *)

DEFBINOP (div, complex_matrix, complex_matrix)
{
  const octave_complex_matrix& v1
    = dynamic_cast<const octave_complex_matrix&> (a1);
  const octave_complex_matrix& v2
    = dynamic_cast<const octave_complex_matrix&> (a2);
  MatrixType typ = v2.matrix_type ();

  ComplexMatrix ret = xdiv (v1.complex_matrix_value (),
                            v2.complex_matrix_value (), typ);

  v2.matrix_type (typ);
  return ret;
}

DEFBINOPX (pow, complex_matrix, complex_matrix)
{
  error ("can't do A ^ B for A and B both matrices");
}

DEFBINOP (ldiv, complex_matrix, complex_matrix)
{
  const octave_complex_matrix& v1
    = dynamic_cast<const octave_complex_matrix&> (a1);
  const octave_complex_matrix& v2
    = dynamic_cast<const octave_complex_matrix&> (a2);
  MatrixType typ = v1.matrix_type ();

  ComplexMatrix ret = xleftdiv (v1.complex_matrix_value (),
                                v2.complex_matrix_value (), typ);

  v1.matrix_type (typ);
  return ret;
}

DEFBINOP (trans_mul, complex_matrix, complex_matrix)
{
  const octave_complex_matrix& v1
    = dynamic_cast<const octave_complex_matrix&> (a1);
  const octave_complex_matrix& v2
    = dynamic_cast<const octave_complex_matrix&> (a2);
  return octave_value(xgemm (v1.complex_matrix_value (),
                             v2.complex_matrix_value (),
                             blas_trans, blas_no_trans));
}

DEFBINOP (mul_trans, complex_matrix, complex_matrix)
{
  const octave_complex_matrix& v1
    = dynamic_cast<const octave_complex_matrix&> (a1);
  const octave_complex_matrix& v2
    = dynamic_cast<const octave_complex_matrix&> (a2);
  return octave_value(xgemm (v1.complex_matrix_value (),
                             v2.complex_matrix_value (),
                             blas_no_trans, blas_trans));
}

DEFBINOP (herm_mul, complex_matrix, complex_matrix)
{
  const octave_complex_matrix& v1
    = dynamic_cast<const octave_complex_matrix&> (a1);
  const octave_complex_matrix& v2
    = dynamic_cast<const octave_complex_matrix&> (a2);
  return octave_value(xgemm (v1.complex_matrix_value (),
                             v2.complex_matrix_value (),
                             blas_conj_trans, blas_no_trans));
}

DEFBINOP (mul_herm, complex_matrix, complex_matrix)
{
  const octave_complex_matrix& v1
    = dynamic_cast<const octave_complex_matrix&> (a1);
  const octave_complex_matrix& v2
    = dynamic_cast<const octave_complex_matrix&> (a2);
  return octave_value(xgemm (v1.complex_matrix_value (),
                             v2.complex_matrix_value (),
                             blas_no_trans, blas_conj_trans));
}

DEFBINOP (trans_ldiv, complex_matrix, complex_matrix)
{
  const octave_complex_matrix& v1
    = dynamic_cast<const octave_complex_matrix&> (a1);
  const octave_complex_matrix& v2
    = dynamic_cast<const octave_complex_matrix&> (a2);
  MatrixType typ = v1.matrix_type ();

  ComplexMatrix ret = xleftdiv (v1.complex_matrix_value (),
                                v2.complex_matrix_value (), typ, blas_trans);

  v1.matrix_type (typ);
  return ret;
}

DEFBINOP (herm_ldiv, complex_matrix, complex_matrix)
{
  const octave_complex_matrix& v1
    = dynamic_cast<const octave_complex_matrix&> (a1);
  const octave_complex_matrix& v2
    = dynamic_cast<const octave_complex_matrix&> (a2);
  MatrixType typ = v1.matrix_type ();

  ComplexMatrix ret = xleftdiv (v1.complex_matrix_value (),
                                v2.complex_matrix_value (), typ,
                                blas_conj_trans);

  v1.matrix_type (typ);
  return ret;
}

DEFNDCMPLXCMPOP_FN (lt, complex_matrix, complex_matrix, complex_array,
                    complex_array, mx_el_lt)
DEFNDCMPLXCMPOP_FN (le, complex_matrix, complex_matrix, complex_array,
                    complex_array, mx_el_le)
DEFNDCMPLXCMPOP_FN (eq, complex_matrix, complex_matrix, complex_array,
                    complex_array, mx_el_eq)
DEFNDCMPLXCMPOP_FN (ge, complex_matrix, complex_matrix, complex_array,
                    complex_array, mx_el_ge)
DEFNDCMPLXCMPOP_FN (gt, complex_matrix, complex_matrix, complex_array,
                    complex_array, mx_el_gt)
DEFNDCMPLXCMPOP_FN (ne, complex_matrix, complex_matrix, complex_array,
                    complex_array, mx_el_ne)

DEFNDBINOP_FN (el_mul, complex_matrix, complex_matrix, complex_array,
               complex_array, product)
DEFNDBINOP_FN (el_div, complex_matrix, complex_matrix, complex_array,
               complex_array, quotient)
DEFNDBINOP_FN (el_pow, complex_matrix, complex_matrix, complex_array,
               complex_array, elem_xpow)

DEFBINOP (el_ldiv, complex_matrix, complex_matrix)
{
  const octave_complex_matrix& v1
    = dynamic_cast<const octave_complex_matrix&> (a1);
  const octave_complex_matrix& v2
    = dynamic_cast<const octave_complex_matrix&> (a2);

  return octave_value (quotient (v2.complex_array_value (),
                                 v1.complex_array_value ()));
}

DEFNDBINOP_FN (el_and, complex_matrix, complex_matrix, complex_array,
               complex_array, mx_el_and)
DEFNDBINOP_FN (el_or,  complex_matrix, complex_matrix, complex_array,
               complex_array, mx_el_or)

DEFNDCATOP_FN (cm_cm, complex_matrix, complex_matrix, complex_array,
               complex_array, concat)

DEFNDASSIGNOP_FN (assign, complex_matrix, complex_matrix, complex_array, assign)

DEFNULLASSIGNOP_FN (null_assign, complex_matrix, delete_elements)

DEFNDASSIGNOP_OP (assign_add, complex_matrix, complex_matrix, complex_array, +=)
DEFNDASSIGNOP_OP (assign_sub, complex_matrix, complex_matrix, complex_array, -=)
DEFNDASSIGNOP_FNOP (assign_el_mul, complex_matrix, complex_matrix,
                    complex_array, product_eq)
DEFNDASSIGNOP_FNOP (assign_el_div, complex_matrix, complex_matrix,
                    complex_array, quotient_eq)

void
install_cm_cm_ops (octave::type_info& ti)
{
  INSTALL_UNOP_TI (ti, op_not, octave_complex_matrix, not);
  INSTALL_UNOP_TI (ti, op_uplus, octave_complex_matrix, uplus);
  INSTALL_UNOP_TI (ti, op_uminus, octave_complex_matrix, uminus);
  INSTALL_UNOP_TI (ti, op_transpose, octave_complex_matrix, transpose);
  INSTALL_UNOP_TI (ti, op_hermitian, octave_complex_matrix, hermitian);

  INSTALL_NCUNOP_TI (ti, op_incr, octave_complex_matrix, incr);
  INSTALL_NCUNOP_TI (ti, op_decr, octave_complex_matrix, decr);
  INSTALL_NCUNOP_TI (ti, op_uminus, octave_complex_matrix, changesign);

  INSTALL_BINOP_TI (ti, op_add, octave_complex_matrix, octave_complex_matrix,
                    add);
  INSTALL_BINOP_TI (ti, op_sub, octave_complex_matrix, octave_complex_matrix,
                    sub);
  INSTALL_BINOP_TI (ti, op_mul, octave_complex_matrix, octave_complex_matrix,
                    mul);
  INSTALL_BINOP_TI (ti, op_div, octave_complex_matrix, octave_complex_matrix,
                    div);
  INSTALL_BINOP_TI (ti, op_pow, octave_complex_matrix, octave_complex_matrix,
                    pow);
  INSTALL_BINOP_TI (ti, op_ldiv, octave_complex_matrix, octave_complex_matrix,
                    ldiv);
  INSTALL_BINOP_TI (ti, op_trans_mul, octave_complex_matrix,
                    octave_complex_matrix,
                    trans_mul);
  INSTALL_BINOP_TI (ti, op_mul_trans, octave_complex_matrix,
                    octave_complex_matrix,
                    mul_trans);
  INSTALL_BINOP_TI (ti, op_herm_mul, octave_complex_matrix, octave_complex_matrix,
                    herm_mul);
  INSTALL_BINOP_TI (ti, op_mul_herm, octave_complex_matrix, octave_complex_matrix,
                    mul_herm);
  INSTALL_BINOP_TI (ti, op_trans_ldiv, octave_complex_matrix,
                    octave_complex_matrix,
                    trans_ldiv);
  INSTALL_BINOP_TI (ti, op_herm_ldiv, octave_complex_matrix,
                    octave_complex_matrix,
                    herm_ldiv);

  INSTALL_BINOP_TI (ti, op_lt, octave_complex_matrix, octave_complex_matrix, lt);
  INSTALL_BINOP_TI (ti, op_le, octave_complex_matrix, octave_complex_matrix, le);
  INSTALL_BINOP_TI (ti, op_eq, octave_complex_matrix, octave_complex_matrix, eq);
  INSTALL_BINOP_TI (ti, op_ge, octave_complex_matrix, octave_complex_matrix, ge);
  INSTALL_BINOP_TI (ti, op_gt, octave_complex_matrix, octave_complex_matrix, gt);
  INSTALL_BINOP_TI (ti, op_ne, octave_complex_matrix, octave_complex_matrix, ne);
  INSTALL_BINOP_TI (ti, op_el_mul, octave_complex_matrix, octave_complex_matrix,
                    el_mul);
  INSTALL_BINOP_TI (ti, op_el_div, octave_complex_matrix, octave_complex_matrix,
                    el_div);
  INSTALL_BINOP_TI (ti, op_el_pow, octave_complex_matrix, octave_complex_matrix,
                    el_pow);
  INSTALL_BINOP_TI (ti, op_el_ldiv, octave_complex_matrix, octave_complex_matrix,
                    el_ldiv);
  INSTALL_BINOP_TI (ti, op_el_and, octave_complex_matrix, octave_complex_matrix,
                    el_and);
  INSTALL_BINOP_TI (ti, op_el_or, octave_complex_matrix, octave_complex_matrix,
                    el_or);

  INSTALL_CATOP_TI (ti, octave_complex_matrix, octave_complex_matrix, cm_cm);

  INSTALL_ASSIGNOP_TI (ti, op_asn_eq, octave_complex_matrix,
                       octave_complex_matrix,
                       assign);

  INSTALL_ASSIGNOP_TI (ti, op_asn_eq, octave_complex_matrix, octave_null_matrix,
                       null_assign);
  INSTALL_ASSIGNOP_TI (ti, op_asn_eq, octave_complex_matrix, octave_null_str,
                       null_assign);
  INSTALL_ASSIGNOP_TI (ti, op_asn_eq, octave_complex_matrix, octave_null_sq_str,
                       null_assign);

  INSTALL_ASSIGNOP_TI (ti, op_add_eq, octave_complex_matrix,
                       octave_complex_matrix,
                       assign_add);
  INSTALL_ASSIGNOP_TI (ti, op_sub_eq, octave_complex_matrix,
                       octave_complex_matrix,
                       assign_sub);
  INSTALL_ASSIGNOP_TI (ti, op_el_mul_eq, octave_complex_matrix,
                       octave_complex_matrix,
                       assign_el_mul);
  INSTALL_ASSIGNOP_TI (ti, op_el_div_eq, octave_complex_matrix,
                       octave_complex_matrix,
                       assign_el_div);
}
