* Definition of expression pairs (building blocks of expairseq). */
/*
- * GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2000 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
{
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;
}