Made a few of the tests more robust.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%402788

dlib/test/matrix2.cpp

@@ -235,14 +235,14 @@ namespace
         DLIB_CASSERT(prod(diag(dm3)) == 1*52*9,"");
         DLIB_CASSERT(sum(diag(m3)) == 1+52+9,"");
         DLIB_CASSERT(sum(diag(dm3)) == 1+52+9,"");
-        DLIB_CASSERT((round(10000*m3*inv(m3))/10000 == identity_matrix<double,3>()),"");
-        DLIB_CASSERT((round(10000*dm3*inv(m3))/10000 == identity_matrix<double,3>()),"");
-        DLIB_CASSERT((round(10000*dm3*inv(dm3))/10000 == identity_matrix<double,3>()),"");
-        DLIB_CASSERT((round(10000*m3*inv(dm3))/10000 == identity_matrix<double,3>()),"");
-        DLIB_CASSERT((round(10000*tmp(m3*inv(m3)))/10000 == identity_matrix<double,3>()),"");
-        DLIB_CASSERT((round(10000*tmp(dm3*inv(m3)))/10000 == identity_matrix<double,3>()),"");
-        DLIB_CASSERT((round(10000*tmp(dm3*inv(dm3)))/10000 == identity_matrix<double,3>()),"");
-        DLIB_CASSERT((round(10000*tmp(m3*inv(dm3)))/10000 == identity_matrix<double,3>()),"");
+        DLIB_CASSERT(equal(round(10000*m3*inv(m3))/10000 , identity_matrix<double,3>()),"");
+        DLIB_CASSERT(equal(round(10000*dm3*inv(m3))/10000 , identity_matrix<double,3>()),"");
+        DLIB_CASSERT(equal(round(10000*dm3*inv(dm3))/10000 , identity_matrix<double,3>()),"");
+        DLIB_CASSERT(equal(round(10000*m3*inv(dm3))/10000 , identity_matrix<double,3>()),"");
+        DLIB_CASSERT(equal(round(10000*tmp(m3*inv(m3)))/10000 , identity_matrix<double,3>()),"");
+        DLIB_CASSERT(equal(round(10000*tmp(dm3*inv(m3)))/10000 , identity_matrix<double,3>()),"");
+        DLIB_CASSERT(equal(round(10000*tmp(dm3*inv(dm3)))/10000 , identity_matrix<double,3>()),"");
+        DLIB_CASSERT(equal(round(10000*tmp(m3*inv(dm3)))/10000 , identity_matrix<double,3>()),"");
         DLIB_CASSERT(-1*m3 == -m3,"");
         DLIB_CASSERT(-1*dm3 == -m3,"");
         DLIB_CASSERT(-1*m3 == -dm3,"");
@@ -266,7 +266,7 @@ namespace
         DLIB_CASSERT(muniform1*2 + muniform1 + muniform1 - muniform1 == muniform3,"");
         DLIB_CASSERT(2*muniform1 + muniform1 + muniform1 - muniform1 == muniform3,"");
         DLIB_CASSERT(muniform1 + muniform1 + muniform1 - muniform3 == muniform0,"");
-        DLIB_CASSERT(muniform3/3 == muniform1,"");
+        DLIB_CASSERT(equal(muniform3/3 , muniform1),"");
         DLIB_CASSERT(v != m1,"");
         DLIB_CASSERT(v == v,"");
         DLIB_CASSERT(m1 == m1,"");