Fix bug in mul::series() about asymptotic order term.

[ginac.git] / check / exam_pseries.cpp

diff --git a/check/exam_pseries.cpp b/check/exam_pseries.cpp
index 3752a1f1068224b0096150ef244cfd8abf92f8ef..e59026c494384a0124d203962c19d1310c77c308 100644 (file)
--- a/check/exam_pseries.cpp
+++ b/check/exam_pseries.cpp
@@ -141,6 +141,10 @@ static unsigned exam_series1()
        d = pow(a, b) + (pow(a, b)*b/a)*x + (pow(a, b)*b*b/a/a/2 - pow(a, b)*b/a/a/2)*pow(x, 2) + Order(pow(x, 3));
        result += check_series(e, 0, d, 3);
 
+       e = a * (1 / (x * sin(x)) - sin(x) / x);
+       d = a * pow(x, -2) + Order(pow(x, -1));
+       result += check_series(e, 0, d, -1);
+
        return result;
 }