#ifndef __GINAC_OPERATORS_H__
#define __GINAC_OPERATORS_H__
-#include <iostream>
+#include <iosfwd>
-#ifndef NO_NAMESPACE_GINAC
namespace GiNaC {
-#endif // ndef NO_NAMESPACE_GINAC
class ex;
class numeric;
class relational;
// binary arithmetic operators ex with ex
-ex operator+(const ex & lh, const ex & rh);
-ex operator-(const ex & lh, const ex & rh);
-ex operator*(const ex & lh, const ex & rh);
-ex operator/(const ex & lh, const ex & rh);
-ex operator%(const ex & lh, const ex & rh); // non-commutative multiplication
+const ex operator+(const ex & lh, const ex & rh);
+const ex operator-(const ex & lh, const ex & rh);
+const ex operator*(const ex & lh, const ex & rh);
+const ex operator/(const ex & lh, const ex & rh);
// binary arithmetic operators numeric with numeric
-numeric operator+(const numeric & lh, const numeric & rh);
-numeric operator-(const numeric & lh, const numeric & rh);
-numeric operator*(const numeric & lh, const numeric & rh);
-numeric operator/(const numeric & lh, const numeric & rh);
+const numeric operator+(const numeric & lh, const numeric & rh);
+const numeric operator-(const numeric & lh, const numeric & rh);
+const numeric operator*(const numeric & lh, const numeric & rh);
+const numeric operator/(const numeric & lh, const numeric & rh);
// binary arithmetic assignment operators with ex
-const ex & operator+=(ex & lh, const ex & rh);
-const ex & operator-=(ex & lh, const ex & rh);
-const ex & operator*=(ex & lh, const ex & rh);
-const ex & operator/=(ex & lh, const ex & rh);
-const ex & operator%=(ex & lh, const ex & rh); // non-commutative multiplication
+ex & operator+=(ex & lh, const ex & rh);
+ex & operator-=(ex & lh, const ex & rh);
+ex & operator*=(ex & lh, const ex & rh);
+ex & operator/=(ex & lh, const ex & rh);
// binary arithmetic assignment operators with numeric
-const numeric & operator+=(numeric & lh, const numeric & rh);
-const numeric & operator-=(numeric & lh, const numeric & rh);
-const numeric & operator*=(numeric & lh, const numeric & rh);
-const numeric & operator/=(numeric & lh, const numeric & rh);
+numeric & operator+=(numeric & lh, const numeric & rh);
+numeric & operator-=(numeric & lh, const numeric & rh);
+numeric & operator*=(numeric & lh, const numeric & rh);
+numeric & operator/=(numeric & lh, const numeric & rh);
// unary operators
-ex operator+(const ex & lh);
-ex operator-(const ex & lh);
+const ex operator+(const ex & lh);
+const ex operator-(const ex & lh);
+
+const numeric operator+(const numeric & lh);
+const numeric operator-(const numeric & lh);
+
+// increment / decrement operators
+ex & operator++(ex & rh);
+ex & operator--(ex & rh);
+const ex operator++(ex & lh, int);
+const ex operator--(ex & lh, int);
-numeric operator+(const numeric & lh);
-numeric operator-(const numeric & lh);
numeric& operator++(numeric & rh);
numeric& operator--(numeric & rh);
-numeric operator++(numeric & lh, int);
-numeric operator--(numeric & lh, int);
+const numeric operator++(numeric & lh, int);
+const numeric operator--(numeric & lh, int);
// binary relational operators ex with ex
-relational operator==(const ex & lh, const ex & rh);
-relational operator!=(const ex & lh, const ex & rh);
-relational operator<(const ex & lh, const ex & rh);
-relational operator<=(const ex & lh, const ex & rh);
-relational operator>(const ex & lh, const ex & rh);
-relational operator>=(const ex & lh, const ex & rh);
+const relational operator==(const ex & lh, const ex & rh);
+const relational operator!=(const ex & lh, const ex & rh);
+const relational operator<(const ex & lh, const ex & rh);
+const relational operator<=(const ex & lh, const ex & rh);
+const relational operator>(const ex & lh, const ex & rh);
+const relational operator>=(const ex & lh, const ex & rh);
// input/output stream operators
std::ostream & operator<<(std::ostream & os, const ex & e);
std::istream & operator>>(std::istream & is, ex & e);
-#ifndef NO_NAMESPACE_GINAC
} // namespace GiNaC
-#endif // ndef NO_NAMESPACE_GINAC
#endif // ndef __GINAC_OPERATORS_H__