added test for evalm()

[ginac.git] / check / exam_matrices.cpp

diff --git a/check/exam_matrices.cpp b/check/exam_matrices.cpp
index 9e8d90c754cce32f2302a9dcb41d6103587be129..cf7649266598e94d2e43713076d4ec8e723dbe4d 100644 (file)
--- a/check/exam_matrices.cpp
+++ b/check/exam_matrices.cpp
@@ -216,6 +216,31 @@ static unsigned matrix_solve2(void)
        return result;
 }
 
+static unsigned matrix_evalm(void)
+{
+       unsigned result = 0;
+
+       matrix S(2, 2, lst(
+               1, 2,
+               3, 4
+       )), T(2, 2, lst(
+               1, 1,
+               2, -1
+       )), R(2, 2, lst(
+               27, 14,
+               36, 26
+       ));
+
+       ex e = ((S + T) * (S + 2*T));
+       ex f = e.evalm();
+       if (!f.is_equal(R)) {
+               clog << "Evaluating " << e << " erroneously returned " << f << " instead of " << R << endl;
+               result++;
+       }
+
+       return result;
+}
+
 static unsigned matrix_misc(void)
 {
        unsigned result = 0;
@@ -279,6 +304,7 @@ unsigned exam_matrices(void)
        result += matrix_invert2();  cout << '.' << flush;
        result += matrix_invert3();  cout << '.' << flush;
        result += matrix_solve2();  cout << '.' << flush;
+       result += matrix_evalm();  cout << "." << flush;
        result += matrix_misc();  cout << '.' << flush;
        
        if (!result) {