* Implementation of GiNaC's overloaded operators. */
/*
- * GiNaC Copyright (C) 1999-2004 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2015 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
*/
-#include <iostream>
-#include <iomanip>
-
#include "operators.h"
#include "numeric.h"
#include "add.h"
#include "print.h"
#include "utils.h"
+#include <iomanip>
+#include <iostream>
+
namespace GiNaC {
/** Used internally by operator+() to add two ex objects together. */
// ncmul::eval()'s rule to pull out commutative elements we need to check
// only one of the elements.
if (rh.return_type()==return_types::commutative ||
- lh.return_type()==return_types::commutative)
+ lh.return_type()==return_types::commutative) {
return (new mul(lh,rh))->setflag(status_flags::dynallocated);
- else
+ } else {
return (new ncmul(lh,rh))->setflag(status_flags::dynallocated);
+ }
}
/** Used internally by operator-() and friends to change the sign of an argument. */
const numeric operator-(const numeric & lh)
{
- return _num_1.mul(lh);
+ return _num_1_p->mul(lh);
}
/** Numeric prefix increment. Adds 1 and returns incremented number. */
numeric& operator++(numeric & rh)
{
- rh = rh.add(_num1);
+ rh = rh.add(*_num1_p);
return rh;
}
/** Numeric prefix decrement. Subtracts 1 and returns decremented number. */
numeric& operator--(numeric & rh)
{
- rh = rh.add(_num_1);
+ rh = rh.add(*_num_1_p);
return rh;
}
const numeric operator++(numeric & lh, int)
{
numeric tmp(lh);
- lh = lh.add(_num1);
+ lh = lh.add(*_num1_p);
return tmp;
}
const numeric operator--(numeric & lh, int)
{
numeric tmp(lh);
- lh = lh.add(_num_1);
+ lh = lh.add(*_num_1_p);
return tmp;
}
return os;
}
+std::ostream & operator<<(std::ostream & os, const exvector & e)
+{
+ print_context *p = get_print_context(os);
+ exvector::const_iterator i = e.begin();
+ exvector::const_iterator vend = e.end();
+
+ if (i==vend) {
+ os << "[]";
+ return os;
+ }
+
+ os << "[";
+ while (true) {
+ if (p == 0)
+ i -> print(print_dflt(os));
+ else
+ i -> print(*p);
+ ++i;
+ if (i==vend)
+ break;
+ os << ",";
+ }
+ os << "]";
+
+ return os;
+}
+
+std::ostream & operator<<(std::ostream & os, const exset & e)
+{
+ print_context *p = get_print_context(os);
+ exset::const_iterator i = e.begin();
+ exset::const_iterator send = e.end();
+
+ if (i==send) {
+ os << "<>";
+ return os;
+ }
+
+ os << "<";
+ while (true) {
+ if (p == 0)
+ i->print(print_dflt(os));
+ else
+ i->print(*p);
+ ++i;
+ if (i == send)
+ break;
+ os << ",";
+ }
+ os << ">";
+
+ return os;
+}
+
+std::ostream & operator<<(std::ostream & os, const exmap & e)
+{
+ print_context *p = get_print_context(os);
+ exmap::const_iterator i = e.begin();
+ exmap::const_iterator mend = e.end();
+
+ if (i==mend) {
+ os << "{}";
+ return os;
+ }
+
+ os << "{";
+ while (true) {
+ if (p == 0)
+ i->first.print(print_dflt(os));
+ else
+ i->first.print(*p);
+ os << "==";
+ if (p == 0)
+ i->second.print(print_dflt(os));
+ else
+ i->second.print(*p);
+ ++i;
+ if( i==mend )
+ break;
+ os << ",";
+ }
+ os << "}";
+
+ return os;
+}
+
std::istream & operator>>(std::istream & is, ex & e)
{
throw (std::logic_error("expression input from streams not implemented"));