test: move maths-matrix test to maths dir

test/.gitignore

@@ -9,7 +9,7 @@
 /json/types
 /*.log
 /maths/maths
-/matrix
+/maths/matrix
 /md[245]
 /options
 /point

test/Makefile.am

@@ -10,7 +10,7 @@ TEST_BIN = 		\
 	ip 		\
 	json/types	\
 	maths/maths 	\
-	matrix 		\
+	maths/matrix 	\
 	md2		\
 	md4		\
 	md5		\

test/maths/matrix.cpp

@@ -26,12 +26,12 @@ operator <<(std::ostream &os, const matrix &m) {
 }
 
 
-void 
+void
 test_zeroes (const matrix &m) {
     assert (m.rows ());
     assert (m.columns ());
 
-    for (unsigned int i = 0; i < m.rows (); ++i) 
+    for (unsigned int i = 0; i < m.rows (); ++i)
         for (unsigned int j = 0; j < m.columns (); ++j)
             CHECK_HARD (almost_equal (m[i][j], 0.0));
 }