Fix testing mechanism.

test/vector.cpp

@@ -1,7 +1,7 @@
-#include <assert.h>
 #include <stdio.h>
 
 #include <matrix/math.hpp>
+#include "test_macros.hpp"
 
 using namespace matrix;
 
@@ -12,12 +12,12 @@ int main()
     float data1[] = {1,2,3,4,5};
     float data2[] = {6,7,8,9,10};
     Vector<float, 5> v1(data1);
-    assert(fabs(v1.norm() - 7.416198487095663f) < 1e-5);
+    TEST(fabs(v1.norm() - 7.416198487095663f) < 1e-5);
     Vector<float, 5> v2(data2);
-    assert(fabs(v1.dot(v2) - 130.0f) < 1e-5);
+    TEST(fabs(v1.dot(v2) - 130.0f) < 1e-5);
     v2.normalize();
     Vector<float, 5> v3(v2);
-    assert(v2 == v3);
+    TEST(v2 == v3);
     return 0;
 }