X-Git-Url: http://gitweb.michael.orlitzky.com/?p=octave.git;a=blobdiff_plain;f=tests%2Fis_positive_definite_tests.m;fp=tests%2Fis_positive_definite_tests.m;h=ebfc385494aee41b4c9863d07a0830997571ec22;hp=0000000000000000000000000000000000000000;hb=b89ed48b92e5b38b7c8df70c12e4b8cc275628df;hpb=23a3da45293aef5568409c8c1c46fc3b0758ca2d

diff --git a/tests/is_positive_definite_tests.m b/tests/is_positive_definite_tests.m
new file mode 100644
index 0000000..ebfc385
--- /dev/null
+++ b/tests/is_positive_definite_tests.m
@@ -0,0 +1,14 @@
+A = [1,0;0,1];
+unit_test_equals("The identity is positive definite", ...
+		 true, ...
+		 is_positive_definite(A));
+
+A = [1,1;1,1];
+unit_test_equals("All-ones matrix is not positive definite", ...
+		 false, ...
+		 is_positive_definite(A));
+
+A = [5,1,2;1,6,3;2,3,7];
+unit_test_equals("A diagonally-dominant matrix is positive definite", ...
+		 true, ...
+		 is_positive_definite(A));