/*

Copyright (C) 1996-2019 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 "mx-fm-fcm.h"
#include "mx-fcm-fm.h"
#include "mx-fnda-fcnda.h"
#include "mx-fcnda-fnda.h"

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

// matrix by complex matrix ops.

DEFNDBINOP_OP (add, float_matrix, float_complex_matrix, float_array,
               float_complex_array, +)
DEFNDBINOP_OP (sub, float_matrix, float_complex_matrix, float_array,
               float_complex_array, -)

DEFBINOP_OP (mul, float_matrix, float_complex_matrix, *)

DEFBINOP (trans_mul, float_matrix, float_complex_matrix)
{
  const octave_float_matrix& v1
    = dynamic_cast<const octave_float_matrix&> (a1);
  const octave_float_complex_matrix& v2
    = dynamic_cast<const octave_float_complex_matrix&> (a2);

  FloatMatrix m1 = v1.float_matrix_value ();
  FloatComplexMatrix m2 = v2.float_complex_matrix_value ();

  return FloatComplexMatrix (xgemm (m1, real (m2), blas_trans, blas_no_trans),
                             xgemm (m1, imag (m2), blas_trans, blas_no_trans));
}

DEFBINOP (div, float_matrix, float_complex_matrix)
{
  const octave_float_matrix& v1
    = dynamic_cast<const octave_float_matrix&> (a1);
  const octave_float_complex_matrix& v2
    = dynamic_cast<const octave_float_complex_matrix&> (a2);
  MatrixType typ = v2.matrix_type ();

  FloatComplexMatrix ret = xdiv (v1.float_matrix_value (),
                                 v2.float_complex_matrix_value (), typ);

  v2.matrix_type (typ);
  return ret;
}

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

DEFBINOP (ldiv, float_matrix, float_complex_matrix)
{
  const octave_float_matrix& v1
    = dynamic_cast<const octave_float_matrix&> (a1);
  const octave_float_complex_matrix& v2
    = dynamic_cast<const octave_float_complex_matrix&> (a2);
  MatrixType typ = v1.matrix_type ();

  FloatComplexMatrix ret = xleftdiv (v1.float_matrix_value (),
                                     v2.float_complex_matrix_value (), typ);

  v1.matrix_type (typ);
  return ret;
}

DEFBINOP (trans_ldiv, float_matrix, float_complex_matrix)
{
  const octave_float_matrix& v1
    = dynamic_cast<const octave_float_matrix&> (a1);
  const octave_float_complex_matrix& v2
    = dynamic_cast<const octave_float_complex_matrix&> (a2);
  MatrixType typ = v1.matrix_type ();

  FloatComplexMatrix ret = xleftdiv (v1.float_matrix_value (),
                                     v2.float_complex_matrix_value (),
                                     typ, blas_trans);

  v1.matrix_type (typ);
  return ret;
}

DEFNDCMPLXCMPOP_FN (lt, float_matrix, float_complex_matrix, float_array,
                    float_complex_array, mx_el_lt)
DEFNDCMPLXCMPOP_FN (le, float_matrix, float_complex_matrix, float_array,
                    float_complex_array, mx_el_le)
DEFNDCMPLXCMPOP_FN (eq, float_matrix, float_complex_matrix, float_array,
                    float_complex_array, mx_el_eq)
DEFNDCMPLXCMPOP_FN (ge, float_matrix, float_complex_matrix, float_array,
                    float_complex_array, mx_el_ge)
DEFNDCMPLXCMPOP_FN (gt, float_matrix, float_complex_matrix, float_array,
                    float_complex_array, mx_el_gt)
DEFNDCMPLXCMPOP_FN (ne, float_matrix, float_complex_matrix, float_array,
                    float_complex_array, mx_el_ne)

DEFNDBINOP_FN (el_mul, float_matrix, float_complex_matrix, float_array,
               float_complex_array, product)
DEFNDBINOP_FN (el_div, float_matrix, float_complex_matrix, float_array,
               float_complex_array, quotient)
DEFNDBINOP_FN (el_pow, float_matrix, float_complex_matrix, float_array,
               float_complex_array, elem_xpow)

DEFBINOP (el_ldiv, float_matrix, float_complex_matrix)
{
  const octave_float_matrix& v1
    = dynamic_cast<const octave_float_matrix&> (a1);
  const octave_float_complex_matrix& v2
    = dynamic_cast<const octave_float_complex_matrix&> (a2);

  return quotient (v2.float_complex_array_value (), v1.float_array_value ());
}

DEFNDBINOP_FN (el_and, float_matrix, float_complex_matrix, float_array,
               float_complex_array, mx_el_and)
DEFNDBINOP_FN (el_or,  float_matrix, float_complex_matrix, float_array,
               float_complex_array, mx_el_or)

DEFNDCATOP_FN (fm_fcm, float_matrix, float_complex_matrix, float_array,
               float_complex_array, concat)

DEFNDCATOP_FN (m_fcm, matrix, float_complex_matrix, float_array,
               float_complex_array, concat)

DEFNDCATOP_FN (fm_cm, float_matrix, complex_matrix, float_array,
               float_complex_array, concat)

DEFCONV (float_complex_matrix_conv, float_matrix, float_complex_matrix)
{
  const octave_float_matrix& v = dynamic_cast<const octave_float_matrix&> (a);

  return new octave_float_complex_matrix (FloatComplexNDArray
                                           (v.float_array_value ()));
}

void
install_fm_fcm_ops (octave::type_info& ti)
{
  INSTALL_BINOP_TI (ti, op_add, octave_float_matrix, octave_float_complex_matrix,
                    add);
  INSTALL_BINOP_TI (ti, op_sub, octave_float_matrix, octave_float_complex_matrix,
                    sub);
  INSTALL_BINOP_TI (ti, op_mul, octave_float_matrix, octave_float_complex_matrix,
                    mul);
  INSTALL_BINOP_TI (ti, op_div, octave_float_matrix, octave_float_complex_matrix,
                    div);
  INSTALL_BINOP_TI (ti, op_pow, octave_float_matrix, octave_float_complex_matrix,
                    pow);
  INSTALL_BINOP_TI (ti, op_ldiv, octave_float_matrix,
                    octave_float_complex_matrix, ldiv);
  INSTALL_BINOP_TI (ti, op_lt, octave_float_matrix, octave_float_complex_matrix,
                    lt);
  INSTALL_BINOP_TI (ti, op_le, octave_float_matrix, octave_float_complex_matrix,
                    le);
  INSTALL_BINOP_TI (ti, op_eq, octave_float_matrix, octave_float_complex_matrix,
                    eq);
  INSTALL_BINOP_TI (ti, op_ge, octave_float_matrix, octave_float_complex_matrix,
                    ge);
  INSTALL_BINOP_TI (ti, op_gt, octave_float_matrix, octave_float_complex_matrix,
                    gt);
  INSTALL_BINOP_TI (ti, op_ne, octave_float_matrix, octave_float_complex_matrix,
                    ne);
  INSTALL_BINOP_TI (ti, op_el_mul, octave_float_matrix,
                    octave_float_complex_matrix, el_mul);
  INSTALL_BINOP_TI (ti, op_el_div, octave_float_matrix,
                    octave_float_complex_matrix, el_div);
  INSTALL_BINOP_TI (ti, op_el_pow, octave_float_matrix,
                    octave_float_complex_matrix, el_pow);
  INSTALL_BINOP_TI (ti, op_el_ldiv, octave_float_matrix,
                    octave_float_complex_matrix, el_ldiv);
  INSTALL_BINOP_TI (ti, op_el_and, octave_float_matrix,
                    octave_float_complex_matrix, el_and);
  INSTALL_BINOP_TI (ti, op_el_or, octave_float_matrix,
                    octave_float_complex_matrix, el_or);
  INSTALL_BINOP_TI (ti, op_trans_mul, octave_float_matrix,
                    octave_float_complex_matrix, trans_mul);
  INSTALL_BINOP_TI (ti, op_herm_mul, octave_float_matrix,
                    octave_float_complex_matrix, trans_mul);
  INSTALL_BINOP_TI (ti, op_trans_ldiv, octave_float_matrix,
                    octave_float_complex_matrix, trans_ldiv);
  INSTALL_BINOP_TI (ti, op_herm_ldiv, octave_float_matrix,
                    octave_float_complex_matrix, trans_ldiv);

  INSTALL_CATOP_TI (ti, octave_float_matrix, octave_float_complex_matrix, fm_fcm);
  INSTALL_CATOP_TI (ti, octave_matrix, octave_float_complex_matrix, m_fcm);
  INSTALL_CATOP_TI (ti, octave_float_matrix, octave_complex_matrix, fm_cm);

  INSTALL_ASSIGNCONV_TI (ti, octave_float_matrix, octave_float_complex_matrix,
                         octave_float_complex_matrix);
  INSTALL_ASSIGNCONV_TI (ti, octave_matrix, octave_float_complex_matrix,
                         octave_complex_matrix);

  INSTALL_WIDENOP_TI (ti, octave_float_matrix, octave_float_complex_matrix,
                      float_complex_matrix_conv);
}
