* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "exams.h"
+#include <iostream>
+#include "ginac.h"
+using namespace std;
+using namespace GiNaC;
static symbol x("x");
return result;
}
+// Test of the patch of Stefan Weinzierl that prevents an infinite loop if
+// a factor in a product is a complicated way of writing zero.
+static unsigned exam_series13()
+{
+ unsigned result = 0;
+
+ ex e = (new mul(pow(2,x), (1/x*(-(1+x)/(1-x)) + (1+x)/x/(1-x)))
+ )->setflag(status_flags::evaluated);
+ ex d = Order(x);
+ result += check_series(e,0,d,1);
+
+ return result;
+}
unsigned exam_pseries()
{
unsigned result = 0;
cout << "examining series expansion" << flush;
- clog << "----------series expansion:" << endl;
result += exam_series1(); cout << '.' << flush;
result += exam_series2(); cout << '.' << flush;
result += exam_series10(); cout << '.' << flush;
result += exam_series11(); cout << '.' << flush;
result += exam_series12(); cout << '.' << flush;
+ result += exam_series13(); cout << '.' << flush;
- if (!result) {
- cout << " passed " << endl;
- clog << "(no output)" << endl;
- } else {
- cout << " failed " << endl;
- }
return result;
}
+
+int main(int argc, char** argv)
+{
+ return exam_pseries();
+}