* Definition of expression pairs (building blocks of expairseq). */
/*
- * GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2019 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef __GINAC_EXPAIR_H__
-#define __GINAC_EXPAIR_H__
+#ifndef GINAC_EXPAIR_H
+#define GINAC_EXPAIR_H
#include "ex.h"
#include "numeric.h"
rest.swap(other.rest);
coeff.swap(other.coeff);
}
-
+
+ const expair conjugate() const;
+
ex rest; ///< first member of pair, an arbitrary expression
ex coeff; ///< second member of pair, must be numeric
};
/** Function object for insertion into third argument of STL's sort() etc. */
-struct expair_is_less : public std::binary_function<expair, expair, bool> {
+struct expair_is_less {
bool operator()(const expair &lh, const expair &rh) const { return lh.is_less(rh); }
};
* into third argument of STL's sort(). Note that this does not define a
* strict weak ordering since for any symbol x we have neither 3*x<2*x or
* 2*x<3*x. Handle with care! */
-struct expair_rest_is_less : public std::binary_function<expair, expair, bool> {
+struct expair_rest_is_less {
bool operator()(const expair &lh, const expair &rh) const { return (lh.rest.compare(rh.rest)<0); }
};
-struct expair_swap : public std::binary_function<expair, expair, void> {
+struct expair_swap {
void operator()(expair &lh, expair &rh) const { lh.swap(rh); }
};
inline void swap(expair & e1, expair & e2)
{ e1.swap(e2); }
-// This makes STL algorithms use the more efficient swap operation for ex objects
-inline void iter_swap(std::vector<expair>::iterator i1, std::vector<expair>::iterator i2)
-{ i1->swap(*i2); }
-
} // namespace GiNaC
-#endif // ndef __GINAC_EXPAIR_H__
+#endif // ndef GINAC_EXPAIR_H