- Made determinant_algo (in flags.h) really work.

[ginac.git] / ginac / matrix.h

diff --git a/ginac/matrix.h b/ginac/matrix.h
index f4665278d6e51b17177af736deb905edbe76c1ef..b737a38c72fec2e74b118cf57aaf285a295bb6ce 100644 (file)
--- a/ginac/matrix.h
+++ b/ginac/matrix.h
@@ -77,9 +77,9 @@ protected:
     
     // non-virtual functions in this class
 public:
-    unsigned rows(void) const        //! get number of rows.
+    unsigned rows(void) const        //! Get number of rows.
         { return row; }
-    unsigned cols(void) const        //! get number of columns.
+    unsigned cols(void) const        //! Get number of columns.
         { return col; }
     matrix add(const matrix & other) const;
     matrix sub(const matrix & other) const;
@@ -87,7 +87,7 @@ public:
     const ex & operator() (unsigned ro, unsigned co) const;
     matrix & set(unsigned ro, unsigned co, ex value);
     matrix transpose(void) const;
-    ex determinant(void) const;
+    ex determinant(unsigned options = determinant_algo::automatic) const;
     ex trace(void) const;
     ex charpoly(const symbol & lambda) const;
     matrix inverse(void) const;
@@ -109,10 +109,12 @@ protected:
     static unsigned precedence;
 };
 
+
 // global constants
 extern const matrix some_matrix;
 extern const type_info & typeid_matrix;
 
+
 // wrapper functions around member functions
 
 inline unsigned nops(const matrix & m)
@@ -139,8 +141,8 @@ inline unsigned cols(const matrix & m)
 inline matrix transpose(const matrix & m)
 { return m.transpose(); }
 
-inline ex determinant(const matrix & m)
-{ return m.determinant(); }
+inline ex determinant(const matrix & m, unsigned options = determinant_algo::automatic)
+{ return m.determinant(options); }
 
 inline ex trace(const matrix & m)
 { return m.trace(); }