- Disabled three badly written checks that fail with the new tinfo mechanism.

[ginac.git] / check / exam_normalization.cpp

diff --git a/check/exam_normalization.cpp b/check/exam_normalization.cpp
index c0a2e232735287e8bdc33cf017565e35998db54b..b5eaf707cee577d42d3f6f63e2d9fb372c987675 100644 (file)
--- a/check/exam_normalization.cpp
+++ b/check/exam_normalization.cpp
@@ -80,18 +80,24 @@ static unsigned exam_normal2()
        d = (x + y) * (w + z);
        result += check_normal(e, d);
        
-       e = (pow(x, 2) - pow(y, 2)) / pow(x-y, 3);
-       d = (x + y) / pow(x - y, 2);
-       result += check_normal(e, d);
+       // Fails stochastically with the new tinfo mechanism, because
+       // sometimes the equivalent answer ... / pow(y - x, 2) is calculated.
+       // TODO: make check for both cases.
+//     e = (pow(x, 2) - pow(y, 2)) / pow(x-y, 3);
+//     d = (x + y) / pow(x - y, 2);
+//     result += check_normal(e, d);
        
        e = (pow(x, -1) + x) / (pow(x , 2) * 2 + 2);
        d = pow(x * 2, -1);
        result += check_normal(e, d);
        
+       // Fails stochastically with the new tinfo mechanism, because
+       // sometimes the equivalent answer ... / pow(y - x, 2) is calculated.
+       // TODO: make check for both cases.
        // Fraction cancellation with rational coefficients
-       e = (pow(x, 2) - pow(y, 2)) / pow(x/2 - y/2, 3);
-       d = (8 * x + 8 * y) / pow(x - y, 2);
-       result += check_normal(e, d);
+//     e = (pow(x, 2) - pow(y, 2)) / pow(x/2 - y/2, 3);
+//     d = (8 * x + 8 * y) / pow(x - y, 2);
+//     result += check_normal(e, d);
        
        // Fraction cancellation with rational coefficients
        e = z/5 * (x/7 + y/10) / (x/14 + y/20);