*
* 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
*/
unsigned result = 0;
symbol x("x"), y("y");
- ex e = ex(x*x*x*y*y).subs(x*y==2, subs_options::subs_algebraic);
+ ex e = ex(x*x*x*y*y).subs(x*y==2, subs_options::algebraic);
if (e != 4*x) {
- clog << "(x^3*y^2).subs(x*y==2,subs_options::subs_algebraic) erroneously returned " << e << endl;
+ clog << "(x^3*y^2).subs(x*y==2,subs_options::algebraic) erroneously returned " << e << endl;
++result;
}
- e = ex(x*x*x*x*x).subs(x*x==y, subs_options::subs_algebraic);
+ e = ex(x*x*x*x*x).subs(x*x==y, subs_options::algebraic);
if (e != y*y*x) {
- clog << "x^5.subs(x^2==y,subs_options::subs_algebraic) erroneously returned " << e << endl;
+ clog << "x^5.subs(x^2==y,subs_options::algebraic) erroneously returned " << e << endl;
++result;
}
-
+
+ e=x*x*y;
+ if (!e.has(x*y, has_options::algebraic))
+ { clog << "(x^2*y).has(x*y, has_options::algebraic) erroneously returned false." << endl;
+ ++result;
+ }
+
+ if (e.has(x*y*y, has_options::algebraic))
+ { clog << "(x^2*y).has(x*y*y, has_options::algebraic) erroneously returned true." << endl;
+ ++result;
+ }
+
+ e=x*x*x*y;
+ if (!e.has(x*x, has_options::algebraic))
+ { clog << "(x^3*y).has(x*x, has_options::algebraic) erroneously returned false." << endl;
+ ++result;
+ }
+
+ if (e.has(y*y, has_options::algebraic))
+ { clog << "(x^3*y).has(y*y, has_options::algebraic) erroneously returned true." << endl;
+ ++result;
+ }
+
return result;
}