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/* -*- mode: C++; indent-tabs-mode: nil; -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library.

 *

 * Copyright (C) 2003-2008

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

#include <iostream>

#include <lemon/soplex.h>

///\file

///\brief Implementation of the LEMON-SOPLEX lp solver interface.

namespace lemon {

  SoplexLp::SoplexLp() {

    soplex = new soplex::SoPlex;

  }

  SoplexLp::~SoplexLp() {

    delete soplex;

  }

  SoplexLp::SoplexLp(const SoplexLp& lp) {

    rows = lp.rows;

    cols = lp.cols;

    soplex = new soplex::SoPlex;

    (*static_cast<soplex::SPxLP*>(soplex)) = *(lp.soplex);

    _col_names = lp._col_names;

    _col_names_ref = lp._col_names_ref;

AC_DEFUN([LX_CHECK_SOPLEX],

[

  AC_ARG_WITH([soplex],

AS_HELP_STRING([--with-soplex@<:@=PREFIX@:>@], [search for SOPLEX under PREFIX or under the default search paths if PREFIX is not given @<:@default@:>@])

AS_HELP_STRING([--without-soplex], [disable checking for SOPLEX]),

              [], [with_soplex=yes])

  AC_ARG_WITH([soplex-includedir],

AS_HELP_STRING([--with-soplex-includedir=DIR], [search for SOPLEX headers in DIR]),

              [], [with_soplex_includedir=no])

  AC_ARG_WITH([soplex-libdir],

AS_HELP_STRING([--with-soplex-libdir=DIR], [search for SOPLEX libraries in DIR]),

              [], [with_soplex_libdir=no])

  lx_soplex_found=no

  if test x"$with_soplex" != x"no"; then

    AC_MSG_CHECKING([for SOPLEX])

    if test x"$with_soplex_includedir" != x"no"; then

      SOPLEX_CXXFLAGS="-I$with_soplex_includedir"

    elif test x"$with_soplex" != x"yes"; then

    fi

    if test x"$with_soplex_libdir" != x"no"; then

      SOPLEX_LDFLAGS="-L$with_soplex_libdir"

    elif test x"$with_soplex" != x"yes"; then

      SOPLEX_LDFLAGS="-L$with_soplex/lib"

    fi

    SOPLEX_LIBS="-lsoplex -lz"

    lx_save_cxxflags="$CXXFLAGS"

    lx_save_ldflags="$LDFLAGS"

    lx_save_libs="$LIBS"

    CXXFLAGS="$SOPLEX_CXXFLAGS"

    LDFLAGS="$SOPLEX_LDFLAGS"

    LIBS="$SOPLEX_LIBS"

    lx_soplex_test_prog='

      int main(int argc, char** argv)

      {

        soplex::SoPlex soplex;

        return 0;

      }'

    AC_LANG_PUSH(C++)

    AC_LINK_IFELSE([$lx_soplex_test_prog], [lx_soplex_found=yes], [lx_soplex_found=no])

    AC_LANG_POP(C++)

    CXXFLAGS="$lx_save_cxxflags"

    LDFLAGS="$lx_save_ldflags"

    LIBS="$lx_save_libs"

    if test x"$lx_soplex_found" = x"yes"; then

      AC_DEFINE([HAVE_SOPLEX], [1], [Define to 1 if you have SOPLEX.])

      lx_lp_found=yes

      AC_DEFINE([HAVE_LP], [1], [Define to 1 if you have any LP solver.])

      AC_MSG_RESULT([yes])

    else

      SOPLEX_CXXFLAGS=""

      SOPLEX_LDFLAGS=""

      SOPLEX_LIBS=""