-/** @file expair.h */
+/** @file expair.h
+ *
+ * Definition of expression pairs (building blocks of expairseq). */
+
+/*
+ * GiNaC Copyright (C) 1999 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __GINAC_EXPAIR_H__
+#define __GINAC_EXPAIR_H__
+
+#include <ginac/ex.h>
+#include <ginac/numeric.h>
+
+#ifndef NO_GINAC_NAMESPACE
+namespace GiNaC {
+#endif // ndef NO_GINAC_NAMESPACE
/** A pair of expressions.
* This similar to, but slightly extended STL's pair<> but we need to account
~expair() {}
expair(expair const & other) : rest(other.rest), coeff(other.coeff)
{
- ASSERT(is_ex_exactly_of_type(coeff,numeric));
+ GINAC_ASSERT(is_ex_exactly_of_type(coeff,numeric));
}
expair const & operator=(expair const & other)
{
}
expair(ex const & r, ex const & c) : rest(r), coeff(c)
{
- ASSERT(is_ex_exactly_of_type(coeff,numeric));
+ GINAC_ASSERT(is_ex_exactly_of_type(coeff,numeric));
}
bool is_numeric_with_coeff_1(void) const
{
- ASSERT(is_ex_exactly_of_type(coeff,numeric));
+ GINAC_ASSERT(is_ex_exactly_of_type(coeff,numeric));
return is_ex_exactly_of_type(rest,numeric) &&
- (ex_to_numeric(coeff).compare(numONE())==0);
+ (coeff.is_equal(ex(1)));
}
bool is_equal(expair const & other) const
*/
if (is_ex_exactly_of_type(rest,numeric) &&
is_ex_exactly_of_type(other.rest,numeric)) {
- if (ex_to_numeric(coeff).compare(numONE())==0) {
- if (ex_to_numeric(other.coeff).compare(numONE())==0) {
+ if (coeff.is_equal(ex(1))) {
+ if ((other.coeff).is_equal(ex(1))) {
// both have coeff 1: compare rests
return rest.compare(other.rest)<0;
}
// only this has coeff 1: >
return false;
- } else if (ex_to_numeric(other.coeff).compare(numONE())==0) {
+ } else if ((other.coeff).is_equal(ex(1))) {
// only other has coeff 1: <
return true;
}
{
if (is_ex_exactly_of_type(rest,numeric) &&
is_ex_exactly_of_type(other.rest,numeric)) {
- if (ex_to_numeric(coeff).compare(numONE())==0) {
- if (ex_to_numeric(other.coeff).compare(numONE())==0) {
+ if ((coeff).is_equal(ex(1))) {
+ if ((other.coeff).is_equal(ex(1))) {
// both have coeff 1: compare rests
return rest.compare(other.rest);
}
// only this has coeff 1: >
return 1;
- } else if (ex_to_numeric(other.coeff).compare(numONE())==0) {
+ } else if ((other.coeff).is_equal(ex(1))) {
// only other has coeff 1: <
return -1;
}
}
};
+#ifndef NO_GINAC_NAMESPACE
+} // namespace GiNaC
+#endif // ndef NO_GINAC_NAMESPACE
-
+#endif // ndef __GINAC_EXPAIR_H__